[llvm] [AMDGPU] Always lower s/udiv64 by constant to MUL (PR #100723)

Pierre van Houtryve via llvm-commits llvm-commits at lists.llvm.org
Mon Jul 29 03:18:11 PDT 2024


https://github.com/Pierre-vh updated https://github.com/llvm/llvm-project/pull/100723

>From 6015afdf4b8f5779f31e4c6a99a4cf1c12545c2d Mon Sep 17 00:00:00 2001
From: pvanhout <pierre.vanhoutryve at amd.com>
Date: Fri, 26 Jul 2024 11:30:47 +0200
Subject: [PATCH 1/4] Add test for div/rem by constant i64

---
 .../CodeGen/AMDGPU/div-rem-by-constant-64.ll  | 1778 +++++++++++++++++
 1 file changed, 1778 insertions(+)
 create mode 100644 llvm/test/CodeGen/AMDGPU/div-rem-by-constant-64.ll

diff --git a/llvm/test/CodeGen/AMDGPU/div-rem-by-constant-64.ll b/llvm/test/CodeGen/AMDGPU/div-rem-by-constant-64.ll
new file mode 100644
index 0000000000000..3c1cf60606450
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/div-rem-by-constant-64.ll
@@ -0,0 +1,1778 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -o - %s | FileCheck -check-prefixes=GFX9 %s
+; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx942 -o - %s | FileCheck -check-prefixes=GFX942 %s
+; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1030 -o - %s | FileCheck -check-prefixes=GFX1030 %s
+
+; Sample test to check how we deal with division/modulos by 64 bit constants.
+
+define noundef i64 @srem64_3(i64 noundef %i)  {
+; GFX9-LABEL: srem64_3:
+; GFX9:       ; %bb.0: ; %entry
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_add_u32 s4, 0, 0x55500000
+; GFX9-NEXT:    s_addc_u32 s5, 0, 0x155
+; GFX9-NEXT:    s_or_b32 s5, s5, 0x55555400
+; GFX9-NEXT:    s_mul_hi_u32 s9, s4, -3
+; GFX9-NEXT:    s_mul_i32 s10, s5, -3
+; GFX9-NEXT:    s_add_i32 s9, s9, s10
+; GFX9-NEXT:    s_mul_i32 s6, s4, -3
+; GFX9-NEXT:    s_sub_i32 s9, s9, s4
+; GFX9-NEXT:    s_mul_hi_u32 s7, s5, s6
+; GFX9-NEXT:    s_mul_i32 s8, s5, s6
+; GFX9-NEXT:    s_mul_i32 s11, s4, s9
+; GFX9-NEXT:    s_mul_hi_u32 s6, s4, s6
+; GFX9-NEXT:    s_mul_hi_u32 s10, s4, s9
+; GFX9-NEXT:    s_add_u32 s6, s6, s11
+; GFX9-NEXT:    s_addc_u32 s10, 0, s10
+; GFX9-NEXT:    s_add_u32 s6, s6, s8
+; GFX9-NEXT:    s_mul_hi_u32 s11, s5, s9
+; GFX9-NEXT:    s_addc_u32 s6, s10, s7
+; GFX9-NEXT:    s_addc_u32 s7, s11, 0
+; GFX9-NEXT:    s_mul_i32 s8, s5, s9
+; GFX9-NEXT:    s_add_u32 s6, s6, s8
+; GFX9-NEXT:    v_mov_b32_e32 v2, s6
+; GFX9-NEXT:    s_addc_u32 s7, 0, s7
+; GFX9-NEXT:    v_add_co_u32_e32 v2, vcc, s4, v2
+; GFX9-NEXT:    v_ashrrev_i32_e32 v4, 31, v1
+; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
+; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, v0, v4
+; GFX9-NEXT:    s_addc_u32 s6, s5, s7
+; GFX9-NEXT:    v_xor_b32_e32 v5, v0, v4
+; GFX9-NEXT:    v_addc_co_u32_e32 v3, vcc, v1, v4, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v5, s6, 0
+; GFX9-NEXT:    v_mul_hi_u32 v6, v5, v2
+; GFX9-NEXT:    v_xor_b32_e32 v7, v3, v4
+; GFX9-NEXT:    v_add_co_u32_e32 v6, vcc, v6, v0
+; GFX9-NEXT:    v_addc_co_u32_e32 v8, vcc, 0, v1, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v7, v2, 0
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v7, s6, 0
+; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, v6, v0
+; GFX9-NEXT:    v_addc_co_u32_e32 v0, vcc, v8, v1, vcc
+; GFX9-NEXT:    v_addc_co_u32_e32 v1, vcc, 0, v3, vcc
+; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, v0, v2
+; GFX9-NEXT:    v_addc_co_u32_e32 v2, vcc, 0, v1, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v0, 3, 0
+; GFX9-NEXT:    v_mad_u64_u32 v[1:2], s[4:5], v2, 3, v[1:2]
+; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, v5, v0
+; GFX9-NEXT:    v_subb_co_u32_e32 v1, vcc, v7, v1, vcc
+; GFX9-NEXT:    v_subrev_co_u32_e32 v2, vcc, 3, v0
+; GFX9-NEXT:    v_subbrev_co_u32_e32 v3, vcc, 0, v1, vcc
+; GFX9-NEXT:    v_subrev_co_u32_e32 v5, vcc, 3, v2
+; GFX9-NEXT:    v_subbrev_co_u32_e32 v6, vcc, 0, v3, vcc
+; GFX9-NEXT:    v_cmp_lt_u32_e32 vcc, 2, v2
+; GFX9-NEXT:    v_cndmask_b32_e64 v7, 0, -1, vcc
+; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v3
+; GFX9-NEXT:    v_cndmask_b32_e32 v7, -1, v7, vcc
+; GFX9-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v7
+; GFX9-NEXT:    v_cmp_lt_u32_e64 s[4:5], 2, v0
+; GFX9-NEXT:    v_cndmask_b32_e32 v3, v3, v6, vcc
+; GFX9-NEXT:    v_cndmask_b32_e64 v6, 0, -1, s[4:5]
+; GFX9-NEXT:    v_cmp_eq_u32_e64 s[4:5], 0, v1
+; GFX9-NEXT:    v_cndmask_b32_e64 v6, -1, v6, s[4:5]
+; GFX9-NEXT:    v_cmp_ne_u32_e64 s[4:5], 0, v6
+; GFX9-NEXT:    v_cndmask_b32_e32 v2, v2, v5, vcc
+; GFX9-NEXT:    v_cndmask_b32_e64 v0, v0, v2, s[4:5]
+; GFX9-NEXT:    v_cndmask_b32_e64 v1, v1, v3, s[4:5]
+; GFX9-NEXT:    v_xor_b32_e32 v0, v0, v4
+; GFX9-NEXT:    v_xor_b32_e32 v1, v1, v4
+; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v4
+; GFX9-NEXT:    v_subb_co_u32_e32 v1, vcc, v1, v4, vcc
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX942-LABEL: srem64_3:
+; GFX942:       ; %bb.0: ; %entry
+; GFX942-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX942-NEXT:    s_add_u32 s0, 0, 0x55500000
+; GFX942-NEXT:    s_addc_u32 s1, 0, 0x155
+; GFX942-NEXT:    s_or_b32 s1, s1, 0x55555400
+; GFX942-NEXT:    s_mul_hi_u32 s5, s0, -3
+; GFX942-NEXT:    s_mul_i32 s6, s1, -3
+; GFX942-NEXT:    s_add_i32 s5, s5, s6
+; GFX942-NEXT:    s_mul_i32 s2, s0, -3
+; GFX942-NEXT:    s_sub_i32 s5, s5, s0
+; GFX942-NEXT:    s_mul_hi_u32 s3, s1, s2
+; GFX942-NEXT:    s_mul_i32 s4, s1, s2
+; GFX942-NEXT:    s_mul_i32 s7, s0, s5
+; GFX942-NEXT:    s_mul_hi_u32 s2, s0, s2
+; GFX942-NEXT:    s_mul_hi_u32 s6, s0, s5
+; GFX942-NEXT:    s_add_u32 s2, s2, s7
+; GFX942-NEXT:    s_addc_u32 s6, 0, s6
+; GFX942-NEXT:    s_add_u32 s2, s2, s4
+; GFX942-NEXT:    s_mul_hi_u32 s7, s1, s5
+; GFX942-NEXT:    s_addc_u32 s2, s6, s3
+; GFX942-NEXT:    s_addc_u32 s3, s7, 0
+; GFX942-NEXT:    s_mul_i32 s4, s1, s5
+; GFX942-NEXT:    s_add_u32 s2, s2, s4
+; GFX942-NEXT:    v_mov_b32_e32 v2, s2
+; GFX942-NEXT:    v_add_co_u32_e32 v8, vcc, s0, v2
+; GFX942-NEXT:    v_ashrrev_i32_e32 v2, 31, v1
+; GFX942-NEXT:    s_addc_u32 s3, 0, s3
+; GFX942-NEXT:    v_mov_b32_e32 v3, v2
+; GFX942-NEXT:    s_cmp_lg_u64 vcc, 0
+; GFX942-NEXT:    v_lshl_add_u64 v[0:1], v[0:1], 0, v[2:3]
+; GFX942-NEXT:    s_addc_u32 s2, s1, s3
+; GFX942-NEXT:    v_xor_b32_e32 v10, v0, v2
+; GFX942-NEXT:    v_xor_b32_e32 v3, v1, v2
+; GFX942-NEXT:    v_mad_u64_u32 v[0:1], s[0:1], v10, s2, 0
+; GFX942-NEXT:    v_mul_hi_u32 v4, v10, v8
+; GFX942-NEXT:    v_mov_b32_e32 v5, 0
+; GFX942-NEXT:    v_lshl_add_u64 v[0:1], v[4:5], 0, v[0:1]
+; GFX942-NEXT:    v_mad_u64_u32 v[8:9], s[0:1], v3, v8, 0
+; GFX942-NEXT:    v_add_co_u32_e32 v0, vcc, v0, v8
+; GFX942-NEXT:    v_mad_u64_u32 v[6:7], s[0:1], v3, s2, 0
+; GFX942-NEXT:    s_nop 0
+; GFX942-NEXT:    v_addc_co_u32_e32 v4, vcc, v1, v9, vcc
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_addc_co_u32_e32 v7, vcc, 0, v7, vcc
+; GFX942-NEXT:    v_lshl_add_u64 v[0:1], v[4:5], 0, v[6:7]
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v0, 3, 0
+; GFX942-NEXT:    v_mov_b32_e32 v0, v5
+; GFX942-NEXT:    v_mad_u64_u32 v[0:1], s[0:1], v1, 3, v[0:1]
+; GFX942-NEXT:    v_sub_co_u32_e32 v1, vcc, v10, v4
+; GFX942-NEXT:    v_cmp_lt_u32_e64 s[0:1], 2, v1
+; GFX942-NEXT:    s_nop 0
+; GFX942-NEXT:    v_subb_co_u32_e32 v0, vcc, v3, v0, vcc
+; GFX942-NEXT:    v_subrev_co_u32_e32 v3, vcc, 3, v1
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_subbrev_co_u32_e32 v4, vcc, 0, v0, vcc
+; GFX942-NEXT:    v_subrev_co_u32_e32 v5, vcc, 3, v3
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_subbrev_co_u32_e32 v6, vcc, 0, v4, vcc
+; GFX942-NEXT:    v_cmp_lt_u32_e32 vcc, 2, v3
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e64 v7, 0, -1, vcc
+; GFX942-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v4
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e32 v7, -1, v7, vcc
+; GFX942-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v7
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e32 v4, v4, v6, vcc
+; GFX942-NEXT:    v_cndmask_b32_e64 v6, 0, -1, s[0:1]
+; GFX942-NEXT:    v_cmp_eq_u32_e64 s[0:1], 0, v0
+; GFX942-NEXT:    v_cndmask_b32_e32 v3, v3, v5, vcc
+; GFX942-NEXT:    s_nop 0
+; GFX942-NEXT:    v_cndmask_b32_e64 v6, -1, v6, s[0:1]
+; GFX942-NEXT:    v_cmp_ne_u32_e64 s[0:1], 0, v6
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e64 v0, v0, v4, s[0:1]
+; GFX942-NEXT:    v_cndmask_b32_e64 v1, v1, v3, s[0:1]
+; GFX942-NEXT:    v_xor_b32_e32 v3, v0, v2
+; GFX942-NEXT:    v_xor_b32_e32 v0, v1, v2
+; GFX942-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v2
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_subb_co_u32_e32 v1, vcc, v3, v2, vcc
+; GFX942-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1030-LABEL: srem64_3:
+; GFX1030:       ; %bb.0: ; %entry
+; GFX1030-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1030-NEXT:    s_add_u32 s4, 0, 0x55500000
+; GFX1030-NEXT:    s_addc_u32 s5, 0, 0x155
+; GFX1030-NEXT:    s_mul_hi_u32 s6, s4, -3
+; GFX1030-NEXT:    s_or_b32 s5, s5, 0x55555400
+; GFX1030-NEXT:    s_mul_i32 s8, s4, -3
+; GFX1030-NEXT:    s_mul_i32 s7, s5, -3
+; GFX1030-NEXT:    s_mul_i32 s9, s5, s8
+; GFX1030-NEXT:    s_add_i32 s6, s6, s7
+; GFX1030-NEXT:    s_mul_hi_u32 s7, s5, s8
+; GFX1030-NEXT:    s_sub_i32 s6, s6, s4
+; GFX1030-NEXT:    s_mul_hi_u32 s8, s4, s8
+; GFX1030-NEXT:    s_mul_i32 s10, s4, s6
+; GFX1030-NEXT:    v_ashrrev_i32_e32 v4, 31, v1
+; GFX1030-NEXT:    s_mul_hi_u32 s11, s4, s6
+; GFX1030-NEXT:    s_add_u32 s8, s8, s10
+; GFX1030-NEXT:    s_addc_u32 s10, 0, s11
+; GFX1030-NEXT:    s_mul_hi_u32 s11, s5, s6
+; GFX1030-NEXT:    s_add_u32 s8, s8, s9
+; GFX1030-NEXT:    s_addc_u32 s7, s10, s7
+; GFX1030-NEXT:    s_mul_i32 s6, s5, s6
+; GFX1030-NEXT:    v_add_co_u32 v0, vcc_lo, v0, v4
+; GFX1030-NEXT:    s_addc_u32 s8, s11, 0
+; GFX1030-NEXT:    s_add_u32 s6, s7, s6
+; GFX1030-NEXT:    s_addc_u32 s7, 0, s8
+; GFX1030-NEXT:    v_add_co_u32 v2, s4, s4, s6
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v3, vcc_lo, v1, v4, vcc_lo
+; GFX1030-NEXT:    v_xor_b32_e32 v5, v0, v4
+; GFX1030-NEXT:    s_cmp_lg_u32 s4, 0
+; GFX1030-NEXT:    s_addc_u32 s4, s5, s7
+; GFX1030-NEXT:    v_xor_b32_e32 v7, v3, v4
+; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, v5, s4, 0
+; GFX1030-NEXT:    v_mul_hi_u32 v6, v5, v2
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v7, v2, 0
+; GFX1030-NEXT:    v_add_co_u32 v6, vcc_lo, v6, v0
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v8, vcc_lo, 0, v1, vcc_lo
+; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, v7, s4, 0
+; GFX1030-NEXT:    v_add_co_u32 v2, vcc_lo, v6, v2
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v2, vcc_lo, v8, v3, vcc_lo
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v1, vcc_lo, 0, v1, vcc_lo
+; GFX1030-NEXT:    v_add_co_u32 v0, vcc_lo, v2, v0
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v2, vcc_lo, 0, v1, vcc_lo
+; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, v0, 3, 0
+; GFX1030-NEXT:    v_mad_u64_u32 v[1:2], null, v2, 3, v[1:2]
+; GFX1030-NEXT:    v_sub_co_u32 v0, vcc_lo, v5, v0
+; GFX1030-NEXT:    v_sub_co_ci_u32_e32 v1, vcc_lo, v7, v1, vcc_lo
+; GFX1030-NEXT:    v_sub_co_u32 v2, vcc_lo, v0, 3
+; GFX1030-NEXT:    v_subrev_co_ci_u32_e32 v3, vcc_lo, 0, v1, vcc_lo
+; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 2, v2
+; GFX1030-NEXT:    v_cmp_eq_u32_e64 s4, 0, v1
+; GFX1030-NEXT:    v_cndmask_b32_e64 v5, 0, -1, vcc_lo
+; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 2, v0
+; GFX1030-NEXT:    v_cndmask_b32_e64 v6, 0, -1, vcc_lo
+; GFX1030-NEXT:    v_cmp_eq_u32_e32 vcc_lo, 0, v3
+; GFX1030-NEXT:    v_cndmask_b32_e32 v5, -1, v5, vcc_lo
+; GFX1030-NEXT:    v_sub_co_u32 v7, vcc_lo, v2, 3
+; GFX1030-NEXT:    v_subrev_co_ci_u32_e32 v8, vcc_lo, 0, v3, vcc_lo
+; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v5
+; GFX1030-NEXT:    v_cndmask_b32_e64 v5, -1, v6, s4
+; GFX1030-NEXT:    v_cndmask_b32_e32 v3, v3, v8, vcc_lo
+; GFX1030-NEXT:    v_cndmask_b32_e32 v2, v2, v7, vcc_lo
+; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v5
+; GFX1030-NEXT:    v_cndmask_b32_e32 v0, v0, v2, vcc_lo
+; GFX1030-NEXT:    v_cndmask_b32_e32 v1, v1, v3, vcc_lo
+; GFX1030-NEXT:    v_xor_b32_e32 v0, v0, v4
+; GFX1030-NEXT:    v_xor_b32_e32 v1, v1, v4
+; GFX1030-NEXT:    v_sub_co_u32 v0, vcc_lo, v0, v4
+; GFX1030-NEXT:    v_sub_co_ci_u32_e32 v1, vcc_lo, v1, v4, vcc_lo
+; GFX1030-NEXT:    s_setpc_b64 s[30:31]
+entry:
+  %rem = srem i64 %i, 3
+  ret i64 %rem
+}
+
+define noundef i64 @srem64_6(i64 noundef %i)  {
+; GFX9-LABEL: srem64_6:
+; GFX9:       ; %bb.0: ; %entry
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_add_u32 s4, 0, 0x55500000
+; GFX9-NEXT:    s_addc_u32 s5, 0, 0x155
+; GFX9-NEXT:    s_or_b32 s5, s5, 0x55555400
+; GFX9-NEXT:    s_mul_hi_u32 s9, s4, -3
+; GFX9-NEXT:    s_mul_i32 s10, s5, -3
+; GFX9-NEXT:    s_add_i32 s9, s9, s10
+; GFX9-NEXT:    s_mul_i32 s6, s4, -3
+; GFX9-NEXT:    s_sub_i32 s9, s9, s4
+; GFX9-NEXT:    s_mul_hi_u32 s7, s5, s6
+; GFX9-NEXT:    s_mul_i32 s8, s5, s6
+; GFX9-NEXT:    s_mul_i32 s11, s4, s9
+; GFX9-NEXT:    s_mul_hi_u32 s6, s4, s6
+; GFX9-NEXT:    s_mul_hi_u32 s10, s4, s9
+; GFX9-NEXT:    s_add_u32 s6, s6, s11
+; GFX9-NEXT:    s_addc_u32 s10, 0, s10
+; GFX9-NEXT:    s_add_u32 s6, s6, s8
+; GFX9-NEXT:    s_mul_hi_u32 s11, s5, s9
+; GFX9-NEXT:    s_addc_u32 s6, s10, s7
+; GFX9-NEXT:    s_addc_u32 s7, s11, 0
+; GFX9-NEXT:    s_mul_i32 s8, s5, s9
+; GFX9-NEXT:    s_add_u32 s6, s6, s8
+; GFX9-NEXT:    v_mov_b32_e32 v2, s6
+; GFX9-NEXT:    s_addc_u32 s7, 0, s7
+; GFX9-NEXT:    v_add_co_u32_e32 v2, vcc, s4, v2
+; GFX9-NEXT:    v_ashrrev_i32_e32 v4, 31, v1
+; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
+; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, v0, v4
+; GFX9-NEXT:    s_addc_u32 s6, s5, s7
+; GFX9-NEXT:    v_xor_b32_e32 v5, v0, v4
+; GFX9-NEXT:    v_addc_co_u32_e32 v3, vcc, v1, v4, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v5, s6, 0
+; GFX9-NEXT:    v_mul_hi_u32 v6, v5, v2
+; GFX9-NEXT:    v_xor_b32_e32 v7, v3, v4
+; GFX9-NEXT:    v_add_co_u32_e32 v6, vcc, v6, v0
+; GFX9-NEXT:    v_addc_co_u32_e32 v8, vcc, 0, v1, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v7, v2, 0
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v7, s6, 0
+; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, v6, v0
+; GFX9-NEXT:    v_addc_co_u32_e32 v0, vcc, v8, v1, vcc
+; GFX9-NEXT:    v_addc_co_u32_e32 v1, vcc, 0, v3, vcc
+; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, v0, v2
+; GFX9-NEXT:    v_addc_co_u32_e32 v2, vcc, 0, v1, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v0, 3, 0
+; GFX9-NEXT:    v_mad_u64_u32 v[1:2], s[4:5], v2, 3, v[1:2]
+; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, v5, v0
+; GFX9-NEXT:    v_subb_co_u32_e32 v1, vcc, v7, v1, vcc
+; GFX9-NEXT:    v_subrev_co_u32_e32 v2, vcc, 3, v0
+; GFX9-NEXT:    v_subbrev_co_u32_e32 v3, vcc, 0, v1, vcc
+; GFX9-NEXT:    v_subrev_co_u32_e32 v5, vcc, 3, v2
+; GFX9-NEXT:    v_subbrev_co_u32_e32 v6, vcc, 0, v3, vcc
+; GFX9-NEXT:    v_cmp_lt_u32_e32 vcc, 2, v2
+; GFX9-NEXT:    v_cndmask_b32_e64 v7, 0, -1, vcc
+; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v3
+; GFX9-NEXT:    v_cndmask_b32_e32 v7, -1, v7, vcc
+; GFX9-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v7
+; GFX9-NEXT:    v_cmp_lt_u32_e64 s[4:5], 2, v0
+; GFX9-NEXT:    v_cndmask_b32_e32 v3, v3, v6, vcc
+; GFX9-NEXT:    v_cndmask_b32_e64 v6, 0, -1, s[4:5]
+; GFX9-NEXT:    v_cmp_eq_u32_e64 s[4:5], 0, v1
+; GFX9-NEXT:    v_cndmask_b32_e64 v6, -1, v6, s[4:5]
+; GFX9-NEXT:    v_cmp_ne_u32_e64 s[4:5], 0, v6
+; GFX9-NEXT:    v_cndmask_b32_e32 v2, v2, v5, vcc
+; GFX9-NEXT:    v_cndmask_b32_e64 v0, v0, v2, s[4:5]
+; GFX9-NEXT:    v_cndmask_b32_e64 v1, v1, v3, s[4:5]
+; GFX9-NEXT:    v_xor_b32_e32 v0, v0, v4
+; GFX9-NEXT:    v_xor_b32_e32 v1, v1, v4
+; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v4
+; GFX9-NEXT:    v_subb_co_u32_e32 v1, vcc, v1, v4, vcc
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX942-LABEL: srem64_6:
+; GFX942:       ; %bb.0: ; %entry
+; GFX942-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX942-NEXT:    s_add_u32 s0, 0, 0x55500000
+; GFX942-NEXT:    s_addc_u32 s1, 0, 0x155
+; GFX942-NEXT:    s_or_b32 s1, s1, 0x55555400
+; GFX942-NEXT:    s_mul_hi_u32 s5, s0, -3
+; GFX942-NEXT:    s_mul_i32 s6, s1, -3
+; GFX942-NEXT:    s_add_i32 s5, s5, s6
+; GFX942-NEXT:    s_mul_i32 s2, s0, -3
+; GFX942-NEXT:    s_sub_i32 s5, s5, s0
+; GFX942-NEXT:    s_mul_hi_u32 s3, s1, s2
+; GFX942-NEXT:    s_mul_i32 s4, s1, s2
+; GFX942-NEXT:    s_mul_i32 s7, s0, s5
+; GFX942-NEXT:    s_mul_hi_u32 s2, s0, s2
+; GFX942-NEXT:    s_mul_hi_u32 s6, s0, s5
+; GFX942-NEXT:    s_add_u32 s2, s2, s7
+; GFX942-NEXT:    s_addc_u32 s6, 0, s6
+; GFX942-NEXT:    s_add_u32 s2, s2, s4
+; GFX942-NEXT:    s_mul_hi_u32 s7, s1, s5
+; GFX942-NEXT:    s_addc_u32 s2, s6, s3
+; GFX942-NEXT:    s_addc_u32 s3, s7, 0
+; GFX942-NEXT:    s_mul_i32 s4, s1, s5
+; GFX942-NEXT:    s_add_u32 s2, s2, s4
+; GFX942-NEXT:    v_mov_b32_e32 v2, s2
+; GFX942-NEXT:    v_add_co_u32_e32 v8, vcc, s0, v2
+; GFX942-NEXT:    v_ashrrev_i32_e32 v2, 31, v1
+; GFX942-NEXT:    s_addc_u32 s3, 0, s3
+; GFX942-NEXT:    v_mov_b32_e32 v3, v2
+; GFX942-NEXT:    s_cmp_lg_u64 vcc, 0
+; GFX942-NEXT:    v_lshl_add_u64 v[0:1], v[0:1], 0, v[2:3]
+; GFX942-NEXT:    s_addc_u32 s2, s1, s3
+; GFX942-NEXT:    v_xor_b32_e32 v10, v0, v2
+; GFX942-NEXT:    v_xor_b32_e32 v3, v1, v2
+; GFX942-NEXT:    v_mad_u64_u32 v[0:1], s[0:1], v10, s2, 0
+; GFX942-NEXT:    v_mul_hi_u32 v4, v10, v8
+; GFX942-NEXT:    v_mov_b32_e32 v5, 0
+; GFX942-NEXT:    v_lshl_add_u64 v[0:1], v[4:5], 0, v[0:1]
+; GFX942-NEXT:    v_mad_u64_u32 v[8:9], s[0:1], v3, v8, 0
+; GFX942-NEXT:    v_add_co_u32_e32 v0, vcc, v0, v8
+; GFX942-NEXT:    v_mad_u64_u32 v[6:7], s[0:1], v3, s2, 0
+; GFX942-NEXT:    s_nop 0
+; GFX942-NEXT:    v_addc_co_u32_e32 v4, vcc, v1, v9, vcc
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_addc_co_u32_e32 v7, vcc, 0, v7, vcc
+; GFX942-NEXT:    v_lshl_add_u64 v[0:1], v[4:5], 0, v[6:7]
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v0, 3, 0
+; GFX942-NEXT:    v_mov_b32_e32 v0, v5
+; GFX942-NEXT:    v_mad_u64_u32 v[0:1], s[0:1], v1, 3, v[0:1]
+; GFX942-NEXT:    v_sub_co_u32_e32 v1, vcc, v10, v4
+; GFX942-NEXT:    v_cmp_lt_u32_e64 s[0:1], 2, v1
+; GFX942-NEXT:    s_nop 0
+; GFX942-NEXT:    v_subb_co_u32_e32 v0, vcc, v3, v0, vcc
+; GFX942-NEXT:    v_subrev_co_u32_e32 v3, vcc, 3, v1
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_subbrev_co_u32_e32 v4, vcc, 0, v0, vcc
+; GFX942-NEXT:    v_subrev_co_u32_e32 v5, vcc, 3, v3
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_subbrev_co_u32_e32 v6, vcc, 0, v4, vcc
+; GFX942-NEXT:    v_cmp_lt_u32_e32 vcc, 2, v3
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e64 v7, 0, -1, vcc
+; GFX942-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v4
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e32 v7, -1, v7, vcc
+; GFX942-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v7
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e32 v4, v4, v6, vcc
+; GFX942-NEXT:    v_cndmask_b32_e64 v6, 0, -1, s[0:1]
+; GFX942-NEXT:    v_cmp_eq_u32_e64 s[0:1], 0, v0
+; GFX942-NEXT:    v_cndmask_b32_e32 v3, v3, v5, vcc
+; GFX942-NEXT:    s_nop 0
+; GFX942-NEXT:    v_cndmask_b32_e64 v6, -1, v6, s[0:1]
+; GFX942-NEXT:    v_cmp_ne_u32_e64 s[0:1], 0, v6
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e64 v0, v0, v4, s[0:1]
+; GFX942-NEXT:    v_cndmask_b32_e64 v1, v1, v3, s[0:1]
+; GFX942-NEXT:    v_xor_b32_e32 v3, v0, v2
+; GFX942-NEXT:    v_xor_b32_e32 v0, v1, v2
+; GFX942-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v2
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_subb_co_u32_e32 v1, vcc, v3, v2, vcc
+; GFX942-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1030-LABEL: srem64_6:
+; GFX1030:       ; %bb.0: ; %entry
+; GFX1030-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1030-NEXT:    s_add_u32 s4, 0, 0x55500000
+; GFX1030-NEXT:    s_addc_u32 s5, 0, 0x155
+; GFX1030-NEXT:    s_mul_hi_u32 s6, s4, -3
+; GFX1030-NEXT:    s_or_b32 s5, s5, 0x55555400
+; GFX1030-NEXT:    s_mul_i32 s8, s4, -3
+; GFX1030-NEXT:    s_mul_i32 s7, s5, -3
+; GFX1030-NEXT:    s_mul_i32 s9, s5, s8
+; GFX1030-NEXT:    s_add_i32 s6, s6, s7
+; GFX1030-NEXT:    s_mul_hi_u32 s7, s5, s8
+; GFX1030-NEXT:    s_sub_i32 s6, s6, s4
+; GFX1030-NEXT:    s_mul_hi_u32 s8, s4, s8
+; GFX1030-NEXT:    s_mul_i32 s10, s4, s6
+; GFX1030-NEXT:    v_ashrrev_i32_e32 v4, 31, v1
+; GFX1030-NEXT:    s_mul_hi_u32 s11, s4, s6
+; GFX1030-NEXT:    s_add_u32 s8, s8, s10
+; GFX1030-NEXT:    s_addc_u32 s10, 0, s11
+; GFX1030-NEXT:    s_mul_hi_u32 s11, s5, s6
+; GFX1030-NEXT:    s_add_u32 s8, s8, s9
+; GFX1030-NEXT:    s_addc_u32 s7, s10, s7
+; GFX1030-NEXT:    s_mul_i32 s6, s5, s6
+; GFX1030-NEXT:    v_add_co_u32 v0, vcc_lo, v0, v4
+; GFX1030-NEXT:    s_addc_u32 s8, s11, 0
+; GFX1030-NEXT:    s_add_u32 s6, s7, s6
+; GFX1030-NEXT:    s_addc_u32 s7, 0, s8
+; GFX1030-NEXT:    v_add_co_u32 v2, s4, s4, s6
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v3, vcc_lo, v1, v4, vcc_lo
+; GFX1030-NEXT:    v_xor_b32_e32 v5, v0, v4
+; GFX1030-NEXT:    s_cmp_lg_u32 s4, 0
+; GFX1030-NEXT:    s_addc_u32 s4, s5, s7
+; GFX1030-NEXT:    v_xor_b32_e32 v7, v3, v4
+; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, v5, s4, 0
+; GFX1030-NEXT:    v_mul_hi_u32 v6, v5, v2
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v7, v2, 0
+; GFX1030-NEXT:    v_add_co_u32 v6, vcc_lo, v6, v0
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v8, vcc_lo, 0, v1, vcc_lo
+; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, v7, s4, 0
+; GFX1030-NEXT:    v_add_co_u32 v2, vcc_lo, v6, v2
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v2, vcc_lo, v8, v3, vcc_lo
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v1, vcc_lo, 0, v1, vcc_lo
+; GFX1030-NEXT:    v_add_co_u32 v0, vcc_lo, v2, v0
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v2, vcc_lo, 0, v1, vcc_lo
+; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, v0, 3, 0
+; GFX1030-NEXT:    v_mad_u64_u32 v[1:2], null, v2, 3, v[1:2]
+; GFX1030-NEXT:    v_sub_co_u32 v0, vcc_lo, v5, v0
+; GFX1030-NEXT:    v_sub_co_ci_u32_e32 v1, vcc_lo, v7, v1, vcc_lo
+; GFX1030-NEXT:    v_sub_co_u32 v2, vcc_lo, v0, 3
+; GFX1030-NEXT:    v_subrev_co_ci_u32_e32 v3, vcc_lo, 0, v1, vcc_lo
+; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 2, v2
+; GFX1030-NEXT:    v_cmp_eq_u32_e64 s4, 0, v1
+; GFX1030-NEXT:    v_cndmask_b32_e64 v5, 0, -1, vcc_lo
+; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 2, v0
+; GFX1030-NEXT:    v_cndmask_b32_e64 v6, 0, -1, vcc_lo
+; GFX1030-NEXT:    v_cmp_eq_u32_e32 vcc_lo, 0, v3
+; GFX1030-NEXT:    v_cndmask_b32_e32 v5, -1, v5, vcc_lo
+; GFX1030-NEXT:    v_sub_co_u32 v7, vcc_lo, v2, 3
+; GFX1030-NEXT:    v_subrev_co_ci_u32_e32 v8, vcc_lo, 0, v3, vcc_lo
+; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v5
+; GFX1030-NEXT:    v_cndmask_b32_e64 v5, -1, v6, s4
+; GFX1030-NEXT:    v_cndmask_b32_e32 v3, v3, v8, vcc_lo
+; GFX1030-NEXT:    v_cndmask_b32_e32 v2, v2, v7, vcc_lo
+; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v5
+; GFX1030-NEXT:    v_cndmask_b32_e32 v0, v0, v2, vcc_lo
+; GFX1030-NEXT:    v_cndmask_b32_e32 v1, v1, v3, vcc_lo
+; GFX1030-NEXT:    v_xor_b32_e32 v0, v0, v4
+; GFX1030-NEXT:    v_xor_b32_e32 v1, v1, v4
+; GFX1030-NEXT:    v_sub_co_u32 v0, vcc_lo, v0, v4
+; GFX1030-NEXT:    v_sub_co_ci_u32_e32 v1, vcc_lo, v1, v4, vcc_lo
+; GFX1030-NEXT:    s_setpc_b64 s[30:31]
+entry:
+  %rem = srem i64 %i, 3
+  ret i64 %rem
+}
+
+define noundef i64 @urem64_3(i64 noundef %i)  {
+; GFX9-LABEL: urem64_3:
+; GFX9:       ; %bb.0: ; %entry
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_add_u32 s4, 0, 0x55500000
+; GFX9-NEXT:    s_addc_u32 s5, 0, 0x155
+; GFX9-NEXT:    s_add_i32 s5, s5, 0x55555400
+; GFX9-NEXT:    s_mul_hi_u32 s9, s4, -3
+; GFX9-NEXT:    s_sub_i32 s9, s9, s4
+; GFX9-NEXT:    s_mul_i32 s10, s5, -3
+; GFX9-NEXT:    s_mul_i32 s6, s4, -3
+; GFX9-NEXT:    s_add_i32 s9, s9, s10
+; GFX9-NEXT:    s_mul_hi_u32 s7, s5, s6
+; GFX9-NEXT:    s_mul_i32 s8, s5, s6
+; GFX9-NEXT:    s_mul_i32 s11, s4, s9
+; GFX9-NEXT:    s_mul_hi_u32 s6, s4, s6
+; GFX9-NEXT:    s_mul_hi_u32 s10, s4, s9
+; GFX9-NEXT:    s_add_u32 s6, s6, s11
+; GFX9-NEXT:    s_addc_u32 s10, 0, s10
+; GFX9-NEXT:    s_add_u32 s6, s6, s8
+; GFX9-NEXT:    s_mul_hi_u32 s11, s5, s9
+; GFX9-NEXT:    s_addc_u32 s6, s10, s7
+; GFX9-NEXT:    s_addc_u32 s7, s11, 0
+; GFX9-NEXT:    s_mul_i32 s8, s5, s9
+; GFX9-NEXT:    s_add_u32 s6, s6, s8
+; GFX9-NEXT:    v_mov_b32_e32 v2, s6
+; GFX9-NEXT:    s_addc_u32 s7, 0, s7
+; GFX9-NEXT:    v_add_co_u32_e32 v4, vcc, s4, v2
+; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
+; GFX9-NEXT:    s_addc_u32 s6, s5, s7
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v0, s6, 0
+; GFX9-NEXT:    v_mul_hi_u32 v5, v0, v4
+; GFX9-NEXT:    v_add_co_u32_e32 v6, vcc, v5, v2
+; GFX9-NEXT:    v_addc_co_u32_e32 v7, vcc, 0, v3, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v1, v4, 0
+; GFX9-NEXT:    v_mad_u64_u32 v[4:5], s[4:5], v1, s6, 0
+; GFX9-NEXT:    v_add_co_u32_e32 v2, vcc, v6, v2
+; GFX9-NEXT:    v_addc_co_u32_e32 v2, vcc, v7, v3, vcc
+; GFX9-NEXT:    v_addc_co_u32_e32 v3, vcc, 0, v5, vcc
+; GFX9-NEXT:    v_add_co_u32_e32 v2, vcc, v2, v4
+; GFX9-NEXT:    v_addc_co_u32_e32 v4, vcc, 0, v3, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v2, 3, 0
+; GFX9-NEXT:    v_mad_u64_u32 v[3:4], s[4:5], v4, 3, v[3:4]
+; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v2
+; GFX9-NEXT:    v_subb_co_u32_e32 v1, vcc, v1, v3, vcc
+; GFX9-NEXT:    v_subrev_co_u32_e32 v2, vcc, 3, v0
+; GFX9-NEXT:    v_subbrev_co_u32_e32 v3, vcc, 0, v1, vcc
+; GFX9-NEXT:    v_subrev_co_u32_e32 v4, vcc, 3, v2
+; GFX9-NEXT:    v_subbrev_co_u32_e32 v5, vcc, 0, v3, vcc
+; GFX9-NEXT:    v_cmp_lt_u32_e32 vcc, 2, v2
+; GFX9-NEXT:    v_cndmask_b32_e64 v6, 0, -1, vcc
+; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v3
+; GFX9-NEXT:    v_cndmask_b32_e32 v6, -1, v6, vcc
+; GFX9-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v6
+; GFX9-NEXT:    v_cmp_lt_u32_e64 s[4:5], 2, v0
+; GFX9-NEXT:    v_cndmask_b32_e32 v3, v3, v5, vcc
+; GFX9-NEXT:    v_cndmask_b32_e64 v5, 0, -1, s[4:5]
+; GFX9-NEXT:    v_cmp_eq_u32_e64 s[4:5], 0, v1
+; GFX9-NEXT:    v_cndmask_b32_e64 v5, -1, v5, s[4:5]
+; GFX9-NEXT:    v_cmp_ne_u32_e64 s[4:5], 0, v5
+; GFX9-NEXT:    v_cndmask_b32_e32 v2, v2, v4, vcc
+; GFX9-NEXT:    v_cndmask_b32_e64 v1, v1, v3, s[4:5]
+; GFX9-NEXT:    v_cndmask_b32_e64 v0, v0, v2, s[4:5]
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX942-LABEL: urem64_3:
+; GFX942:       ; %bb.0: ; %entry
+; GFX942-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX942-NEXT:    s_add_u32 s0, 0, 0x55500000
+; GFX942-NEXT:    s_addc_u32 s1, 0, 0x155
+; GFX942-NEXT:    s_add_i32 s1, s1, 0x55555400
+; GFX942-NEXT:    s_mul_hi_u32 s5, s0, -3
+; GFX942-NEXT:    s_sub_i32 s5, s5, s0
+; GFX942-NEXT:    s_mul_i32 s6, s1, -3
+; GFX942-NEXT:    s_mul_i32 s2, s0, -3
+; GFX942-NEXT:    s_add_i32 s5, s5, s6
+; GFX942-NEXT:    s_mul_hi_u32 s3, s1, s2
+; GFX942-NEXT:    s_mul_i32 s4, s1, s2
+; GFX942-NEXT:    s_mul_i32 s7, s0, s5
+; GFX942-NEXT:    s_mul_hi_u32 s2, s0, s2
+; GFX942-NEXT:    s_mul_hi_u32 s6, s0, s5
+; GFX942-NEXT:    s_add_u32 s2, s2, s7
+; GFX942-NEXT:    s_addc_u32 s6, 0, s6
+; GFX942-NEXT:    s_add_u32 s2, s2, s4
+; GFX942-NEXT:    s_mul_hi_u32 s7, s1, s5
+; GFX942-NEXT:    s_addc_u32 s2, s6, s3
+; GFX942-NEXT:    s_addc_u32 s3, s7, 0
+; GFX942-NEXT:    s_mul_i32 s4, s1, s5
+; GFX942-NEXT:    s_add_u32 s2, s2, s4
+; GFX942-NEXT:    v_mov_b32_e32 v2, s2
+; GFX942-NEXT:    s_addc_u32 s3, 0, s3
+; GFX942-NEXT:    v_add_co_u32_e32 v8, vcc, s0, v2
+; GFX942-NEXT:    s_cmp_lg_u64 vcc, 0
+; GFX942-NEXT:    s_addc_u32 s2, s1, s3
+; GFX942-NEXT:    v_mad_u64_u32 v[2:3], s[0:1], v0, s2, 0
+; GFX942-NEXT:    v_mul_hi_u32 v4, v0, v8
+; GFX942-NEXT:    v_mov_b32_e32 v5, 0
+; GFX942-NEXT:    v_lshl_add_u64 v[2:3], v[4:5], 0, v[2:3]
+; GFX942-NEXT:    v_mad_u64_u32 v[8:9], s[0:1], v1, v8, 0
+; GFX942-NEXT:    v_add_co_u32_e32 v2, vcc, v2, v8
+; GFX942-NEXT:    v_mad_u64_u32 v[6:7], s[0:1], v1, s2, 0
+; GFX942-NEXT:    s_nop 0
+; GFX942-NEXT:    v_addc_co_u32_e32 v4, vcc, v3, v9, vcc
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_addc_co_u32_e32 v7, vcc, 0, v7, vcc
+; GFX942-NEXT:    v_lshl_add_u64 v[2:3], v[4:5], 0, v[6:7]
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v2, 3, 0
+; GFX942-NEXT:    v_mov_b32_e32 v2, v5
+; GFX942-NEXT:    v_mad_u64_u32 v[2:3], s[0:1], v3, 3, v[2:3]
+; GFX942-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v4
+; GFX942-NEXT:    v_cmp_lt_u32_e64 s[0:1], 2, v0
+; GFX942-NEXT:    s_nop 0
+; GFX942-NEXT:    v_subb_co_u32_e32 v1, vcc, v1, v2, vcc
+; GFX942-NEXT:    v_subrev_co_u32_e32 v2, vcc, 3, v0
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_subbrev_co_u32_e32 v3, vcc, 0, v1, vcc
+; GFX942-NEXT:    v_subrev_co_u32_e32 v4, vcc, 3, v2
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_subbrev_co_u32_e32 v5, vcc, 0, v3, vcc
+; GFX942-NEXT:    v_cmp_lt_u32_e32 vcc, 2, v2
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e64 v6, 0, -1, vcc
+; GFX942-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v3
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e32 v6, -1, v6, vcc
+; GFX942-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v6
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e32 v3, v3, v5, vcc
+; GFX942-NEXT:    v_cndmask_b32_e64 v5, 0, -1, s[0:1]
+; GFX942-NEXT:    v_cmp_eq_u32_e64 s[0:1], 0, v1
+; GFX942-NEXT:    v_cndmask_b32_e32 v2, v2, v4, vcc
+; GFX942-NEXT:    s_nop 0
+; GFX942-NEXT:    v_cndmask_b32_e64 v5, -1, v5, s[0:1]
+; GFX942-NEXT:    v_cmp_ne_u32_e64 s[0:1], 0, v5
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e64 v1, v1, v3, s[0:1]
+; GFX942-NEXT:    v_cndmask_b32_e64 v0, v0, v2, s[0:1]
+; GFX942-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1030-LABEL: urem64_3:
+; GFX1030:       ; %bb.0: ; %entry
+; GFX1030-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1030-NEXT:    s_add_u32 s4, 0, 0x55500000
+; GFX1030-NEXT:    s_addc_u32 s5, 0, 0x155
+; GFX1030-NEXT:    s_mul_hi_u32 s7, s4, -3
+; GFX1030-NEXT:    s_add_i32 s5, s5, 0x55555400
+; GFX1030-NEXT:    s_sub_i32 s7, s7, s4
+; GFX1030-NEXT:    s_mul_i32 s8, s5, -3
+; GFX1030-NEXT:    s_mul_i32 s6, s4, -3
+; GFX1030-NEXT:    s_add_i32 s7, s7, s8
+; GFX1030-NEXT:    s_mul_hi_u32 s9, s5, s6
+; GFX1030-NEXT:    s_mul_i32 s8, s5, s6
+; GFX1030-NEXT:    s_mul_i32 s10, s4, s7
+; GFX1030-NEXT:    s_mul_hi_u32 s6, s4, s6
+; GFX1030-NEXT:    s_mul_hi_u32 s11, s4, s7
+; GFX1030-NEXT:    s_add_u32 s6, s6, s10
+; GFX1030-NEXT:    s_addc_u32 s10, 0, s11
+; GFX1030-NEXT:    s_mul_hi_u32 s11, s5, s7
+; GFX1030-NEXT:    s_add_u32 s6, s6, s8
+; GFX1030-NEXT:    s_addc_u32 s6, s10, s9
+; GFX1030-NEXT:    s_mul_i32 s7, s5, s7
+; GFX1030-NEXT:    s_addc_u32 s8, s11, 0
+; GFX1030-NEXT:    s_add_u32 s6, s6, s7
+; GFX1030-NEXT:    v_add_co_u32 v4, s4, s4, s6
+; GFX1030-NEXT:    s_addc_u32 s6, 0, s8
+; GFX1030-NEXT:    s_cmp_lg_u32 s4, 0
+; GFX1030-NEXT:    s_addc_u32 s4, s5, s6
+; GFX1030-NEXT:    v_mul_hi_u32 v6, v0, v4
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v0, s4, 0
+; GFX1030-NEXT:    v_mad_u64_u32 v[4:5], null, v1, v4, 0
+; GFX1030-NEXT:    v_add_co_u32 v6, vcc_lo, v6, v2
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v7, vcc_lo, 0, v3, vcc_lo
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v1, s4, 0
+; GFX1030-NEXT:    v_add_co_u32 v4, vcc_lo, v6, v4
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v4, vcc_lo, v7, v5, vcc_lo
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v3, vcc_lo, 0, v3, vcc_lo
+; GFX1030-NEXT:    v_add_co_u32 v2, vcc_lo, v4, v2
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v4, vcc_lo, 0, v3, vcc_lo
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v2, 3, 0
+; GFX1030-NEXT:    v_mad_u64_u32 v[3:4], null, v4, 3, v[3:4]
+; GFX1030-NEXT:    v_sub_co_u32 v0, vcc_lo, v0, v2
+; GFX1030-NEXT:    v_sub_co_ci_u32_e32 v1, vcc_lo, v1, v3, vcc_lo
+; GFX1030-NEXT:    v_sub_co_u32 v2, vcc_lo, v0, 3
+; GFX1030-NEXT:    v_subrev_co_ci_u32_e32 v3, vcc_lo, 0, v1, vcc_lo
+; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 2, v2
+; GFX1030-NEXT:    v_cmp_eq_u32_e64 s4, 0, v1
+; GFX1030-NEXT:    v_cndmask_b32_e64 v4, 0, -1, vcc_lo
+; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 2, v0
+; GFX1030-NEXT:    v_cndmask_b32_e64 v5, 0, -1, vcc_lo
+; GFX1030-NEXT:    v_cmp_eq_u32_e32 vcc_lo, 0, v3
+; GFX1030-NEXT:    v_cndmask_b32_e32 v4, -1, v4, vcc_lo
+; GFX1030-NEXT:    v_sub_co_u32 v6, vcc_lo, v2, 3
+; GFX1030-NEXT:    v_subrev_co_ci_u32_e32 v7, vcc_lo, 0, v3, vcc_lo
+; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v4
+; GFX1030-NEXT:    v_cndmask_b32_e64 v4, -1, v5, s4
+; GFX1030-NEXT:    v_cndmask_b32_e32 v3, v3, v7, vcc_lo
+; GFX1030-NEXT:    v_cndmask_b32_e32 v2, v2, v6, vcc_lo
+; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v4
+; GFX1030-NEXT:    v_cndmask_b32_e32 v1, v1, v3, vcc_lo
+; GFX1030-NEXT:    v_cndmask_b32_e32 v0, v0, v2, vcc_lo
+; GFX1030-NEXT:    s_setpc_b64 s[30:31]
+entry:
+  %rem = urem i64 %i, 3
+  ret i64 %rem
+}
+
+define noundef i64 @urem64_6(i64 noundef %i)  {
+; GFX9-LABEL: urem64_6:
+; GFX9:       ; %bb.0: ; %entry
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_add_u32 s4, 0, 0xaaa80000
+; GFX9-NEXT:    s_addc_u32 s5, 0, 0xaa
+; GFX9-NEXT:    s_add_i32 s5, s5, 0x2aaaaa00
+; GFX9-NEXT:    s_mul_hi_u32 s9, s4, -6
+; GFX9-NEXT:    s_sub_i32 s9, s9, s4
+; GFX9-NEXT:    s_mul_i32 s10, s5, -6
+; GFX9-NEXT:    s_mul_i32 s6, s4, -6
+; GFX9-NEXT:    s_add_i32 s9, s9, s10
+; GFX9-NEXT:    s_mul_hi_u32 s7, s5, s6
+; GFX9-NEXT:    s_mul_i32 s8, s5, s6
+; GFX9-NEXT:    s_mul_i32 s11, s4, s9
+; GFX9-NEXT:    s_mul_hi_u32 s6, s4, s6
+; GFX9-NEXT:    s_mul_hi_u32 s10, s4, s9
+; GFX9-NEXT:    s_add_u32 s6, s6, s11
+; GFX9-NEXT:    s_addc_u32 s10, 0, s10
+; GFX9-NEXT:    s_add_u32 s6, s6, s8
+; GFX9-NEXT:    s_mul_hi_u32 s11, s5, s9
+; GFX9-NEXT:    s_addc_u32 s6, s10, s7
+; GFX9-NEXT:    s_addc_u32 s7, s11, 0
+; GFX9-NEXT:    s_mul_i32 s8, s5, s9
+; GFX9-NEXT:    s_add_u32 s6, s6, s8
+; GFX9-NEXT:    v_mov_b32_e32 v2, s6
+; GFX9-NEXT:    s_addc_u32 s7, 0, s7
+; GFX9-NEXT:    v_add_co_u32_e32 v4, vcc, s4, v2
+; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
+; GFX9-NEXT:    s_addc_u32 s6, s5, s7
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v0, s6, 0
+; GFX9-NEXT:    v_mul_hi_u32 v5, v0, v4
+; GFX9-NEXT:    v_add_co_u32_e32 v6, vcc, v5, v2
+; GFX9-NEXT:    v_addc_co_u32_e32 v7, vcc, 0, v3, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v1, v4, 0
+; GFX9-NEXT:    v_mad_u64_u32 v[4:5], s[4:5], v1, s6, 0
+; GFX9-NEXT:    v_add_co_u32_e32 v2, vcc, v6, v2
+; GFX9-NEXT:    v_addc_co_u32_e32 v2, vcc, v7, v3, vcc
+; GFX9-NEXT:    v_addc_co_u32_e32 v3, vcc, 0, v5, vcc
+; GFX9-NEXT:    v_add_co_u32_e32 v2, vcc, v2, v4
+; GFX9-NEXT:    v_addc_co_u32_e32 v4, vcc, 0, v3, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v2, 6, 0
+; GFX9-NEXT:    v_mad_u64_u32 v[3:4], s[4:5], v4, 6, v[3:4]
+; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v2
+; GFX9-NEXT:    v_subb_co_u32_e32 v1, vcc, v1, v3, vcc
+; GFX9-NEXT:    v_subrev_co_u32_e32 v2, vcc, 6, v0
+; GFX9-NEXT:    v_subbrev_co_u32_e32 v3, vcc, 0, v1, vcc
+; GFX9-NEXT:    v_subrev_co_u32_e32 v4, vcc, 6, v2
+; GFX9-NEXT:    v_subbrev_co_u32_e32 v5, vcc, 0, v3, vcc
+; GFX9-NEXT:    v_cmp_lt_u32_e32 vcc, 5, v2
+; GFX9-NEXT:    v_cndmask_b32_e64 v6, 0, -1, vcc
+; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v3
+; GFX9-NEXT:    v_cndmask_b32_e32 v6, -1, v6, vcc
+; GFX9-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v6
+; GFX9-NEXT:    v_cmp_lt_u32_e64 s[4:5], 5, v0
+; GFX9-NEXT:    v_cndmask_b32_e32 v3, v3, v5, vcc
+; GFX9-NEXT:    v_cndmask_b32_e64 v5, 0, -1, s[4:5]
+; GFX9-NEXT:    v_cmp_eq_u32_e64 s[4:5], 0, v1
+; GFX9-NEXT:    v_cndmask_b32_e64 v5, -1, v5, s[4:5]
+; GFX9-NEXT:    v_cmp_ne_u32_e64 s[4:5], 0, v5
+; GFX9-NEXT:    v_cndmask_b32_e32 v2, v2, v4, vcc
+; GFX9-NEXT:    v_cndmask_b32_e64 v1, v1, v3, s[4:5]
+; GFX9-NEXT:    v_cndmask_b32_e64 v0, v0, v2, s[4:5]
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX942-LABEL: urem64_6:
+; GFX942:       ; %bb.0: ; %entry
+; GFX942-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX942-NEXT:    s_add_u32 s0, 0, 0xaaa80000
+; GFX942-NEXT:    s_addc_u32 s1, 0, 0xaa
+; GFX942-NEXT:    s_add_i32 s1, s1, 0x2aaaaa00
+; GFX942-NEXT:    s_mul_hi_u32 s5, s0, -6
+; GFX942-NEXT:    s_sub_i32 s5, s5, s0
+; GFX942-NEXT:    s_mul_i32 s6, s1, -6
+; GFX942-NEXT:    s_mul_i32 s2, s0, -6
+; GFX942-NEXT:    s_add_i32 s5, s5, s6
+; GFX942-NEXT:    s_mul_hi_u32 s3, s1, s2
+; GFX942-NEXT:    s_mul_i32 s4, s1, s2
+; GFX942-NEXT:    s_mul_i32 s7, s0, s5
+; GFX942-NEXT:    s_mul_hi_u32 s2, s0, s2
+; GFX942-NEXT:    s_mul_hi_u32 s6, s0, s5
+; GFX942-NEXT:    s_add_u32 s2, s2, s7
+; GFX942-NEXT:    s_addc_u32 s6, 0, s6
+; GFX942-NEXT:    s_add_u32 s2, s2, s4
+; GFX942-NEXT:    s_mul_hi_u32 s7, s1, s5
+; GFX942-NEXT:    s_addc_u32 s2, s6, s3
+; GFX942-NEXT:    s_addc_u32 s3, s7, 0
+; GFX942-NEXT:    s_mul_i32 s4, s1, s5
+; GFX942-NEXT:    s_add_u32 s2, s2, s4
+; GFX942-NEXT:    v_mov_b32_e32 v2, s2
+; GFX942-NEXT:    s_addc_u32 s3, 0, s3
+; GFX942-NEXT:    v_add_co_u32_e32 v8, vcc, s0, v2
+; GFX942-NEXT:    s_cmp_lg_u64 vcc, 0
+; GFX942-NEXT:    s_addc_u32 s2, s1, s3
+; GFX942-NEXT:    v_mad_u64_u32 v[2:3], s[0:1], v0, s2, 0
+; GFX942-NEXT:    v_mul_hi_u32 v4, v0, v8
+; GFX942-NEXT:    v_mov_b32_e32 v5, 0
+; GFX942-NEXT:    v_lshl_add_u64 v[2:3], v[4:5], 0, v[2:3]
+; GFX942-NEXT:    v_mad_u64_u32 v[8:9], s[0:1], v1, v8, 0
+; GFX942-NEXT:    v_add_co_u32_e32 v2, vcc, v2, v8
+; GFX942-NEXT:    v_mad_u64_u32 v[6:7], s[0:1], v1, s2, 0
+; GFX942-NEXT:    s_nop 0
+; GFX942-NEXT:    v_addc_co_u32_e32 v4, vcc, v3, v9, vcc
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_addc_co_u32_e32 v7, vcc, 0, v7, vcc
+; GFX942-NEXT:    v_lshl_add_u64 v[2:3], v[4:5], 0, v[6:7]
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v2, 6, 0
+; GFX942-NEXT:    v_mov_b32_e32 v2, v5
+; GFX942-NEXT:    v_mad_u64_u32 v[2:3], s[0:1], v3, 6, v[2:3]
+; GFX942-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v4
+; GFX942-NEXT:    v_cmp_lt_u32_e64 s[0:1], 5, v0
+; GFX942-NEXT:    s_nop 0
+; GFX942-NEXT:    v_subb_co_u32_e32 v1, vcc, v1, v2, vcc
+; GFX942-NEXT:    v_subrev_co_u32_e32 v2, vcc, 6, v0
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_subbrev_co_u32_e32 v3, vcc, 0, v1, vcc
+; GFX942-NEXT:    v_subrev_co_u32_e32 v4, vcc, 6, v2
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_subbrev_co_u32_e32 v5, vcc, 0, v3, vcc
+; GFX942-NEXT:    v_cmp_lt_u32_e32 vcc, 5, v2
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e64 v6, 0, -1, vcc
+; GFX942-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v3
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e32 v6, -1, v6, vcc
+; GFX942-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v6
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e32 v3, v3, v5, vcc
+; GFX942-NEXT:    v_cndmask_b32_e64 v5, 0, -1, s[0:1]
+; GFX942-NEXT:    v_cmp_eq_u32_e64 s[0:1], 0, v1
+; GFX942-NEXT:    v_cndmask_b32_e32 v2, v2, v4, vcc
+; GFX942-NEXT:    s_nop 0
+; GFX942-NEXT:    v_cndmask_b32_e64 v5, -1, v5, s[0:1]
+; GFX942-NEXT:    v_cmp_ne_u32_e64 s[0:1], 0, v5
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e64 v1, v1, v3, s[0:1]
+; GFX942-NEXT:    v_cndmask_b32_e64 v0, v0, v2, s[0:1]
+; GFX942-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1030-LABEL: urem64_6:
+; GFX1030:       ; %bb.0: ; %entry
+; GFX1030-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1030-NEXT:    s_add_u32 s4, 0, 0xaaa80000
+; GFX1030-NEXT:    s_addc_u32 s5, 0, 0xaa
+; GFX1030-NEXT:    s_mul_hi_u32 s7, s4, -6
+; GFX1030-NEXT:    s_add_i32 s5, s5, 0x2aaaaa00
+; GFX1030-NEXT:    s_sub_i32 s7, s7, s4
+; GFX1030-NEXT:    s_mul_i32 s8, s5, -6
+; GFX1030-NEXT:    s_mul_i32 s6, s4, -6
+; GFX1030-NEXT:    s_add_i32 s7, s7, s8
+; GFX1030-NEXT:    s_mul_hi_u32 s9, s5, s6
+; GFX1030-NEXT:    s_mul_i32 s8, s5, s6
+; GFX1030-NEXT:    s_mul_i32 s10, s4, s7
+; GFX1030-NEXT:    s_mul_hi_u32 s6, s4, s6
+; GFX1030-NEXT:    s_mul_hi_u32 s11, s4, s7
+; GFX1030-NEXT:    s_add_u32 s6, s6, s10
+; GFX1030-NEXT:    s_addc_u32 s10, 0, s11
+; GFX1030-NEXT:    s_mul_hi_u32 s11, s5, s7
+; GFX1030-NEXT:    s_add_u32 s6, s6, s8
+; GFX1030-NEXT:    s_addc_u32 s6, s10, s9
+; GFX1030-NEXT:    s_mul_i32 s7, s5, s7
+; GFX1030-NEXT:    s_addc_u32 s8, s11, 0
+; GFX1030-NEXT:    s_add_u32 s6, s6, s7
+; GFX1030-NEXT:    v_add_co_u32 v4, s4, s4, s6
+; GFX1030-NEXT:    s_addc_u32 s6, 0, s8
+; GFX1030-NEXT:    s_cmp_lg_u32 s4, 0
+; GFX1030-NEXT:    s_addc_u32 s4, s5, s6
+; GFX1030-NEXT:    v_mul_hi_u32 v6, v0, v4
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v0, s4, 0
+; GFX1030-NEXT:    v_mad_u64_u32 v[4:5], null, v1, v4, 0
+; GFX1030-NEXT:    v_add_co_u32 v6, vcc_lo, v6, v2
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v7, vcc_lo, 0, v3, vcc_lo
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v1, s4, 0
+; GFX1030-NEXT:    v_add_co_u32 v4, vcc_lo, v6, v4
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v4, vcc_lo, v7, v5, vcc_lo
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v3, vcc_lo, 0, v3, vcc_lo
+; GFX1030-NEXT:    v_add_co_u32 v2, vcc_lo, v4, v2
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v4, vcc_lo, 0, v3, vcc_lo
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v2, 6, 0
+; GFX1030-NEXT:    v_mad_u64_u32 v[3:4], null, v4, 6, v[3:4]
+; GFX1030-NEXT:    v_sub_co_u32 v0, vcc_lo, v0, v2
+; GFX1030-NEXT:    v_sub_co_ci_u32_e32 v1, vcc_lo, v1, v3, vcc_lo
+; GFX1030-NEXT:    v_sub_co_u32 v2, vcc_lo, v0, 6
+; GFX1030-NEXT:    v_subrev_co_ci_u32_e32 v3, vcc_lo, 0, v1, vcc_lo
+; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 5, v2
+; GFX1030-NEXT:    v_cmp_eq_u32_e64 s4, 0, v1
+; GFX1030-NEXT:    v_cndmask_b32_e64 v4, 0, -1, vcc_lo
+; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 5, v0
+; GFX1030-NEXT:    v_cndmask_b32_e64 v5, 0, -1, vcc_lo
+; GFX1030-NEXT:    v_cmp_eq_u32_e32 vcc_lo, 0, v3
+; GFX1030-NEXT:    v_cndmask_b32_e32 v4, -1, v4, vcc_lo
+; GFX1030-NEXT:    v_sub_co_u32 v6, vcc_lo, v2, 6
+; GFX1030-NEXT:    v_subrev_co_ci_u32_e32 v7, vcc_lo, 0, v3, vcc_lo
+; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v4
+; GFX1030-NEXT:    v_cndmask_b32_e64 v4, -1, v5, s4
+; GFX1030-NEXT:    v_cndmask_b32_e32 v3, v3, v7, vcc_lo
+; GFX1030-NEXT:    v_cndmask_b32_e32 v2, v2, v6, vcc_lo
+; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v4
+; GFX1030-NEXT:    v_cndmask_b32_e32 v1, v1, v3, vcc_lo
+; GFX1030-NEXT:    v_cndmask_b32_e32 v0, v0, v2, vcc_lo
+; GFX1030-NEXT:    s_setpc_b64 s[30:31]
+entry:
+  %rem = urem i64 %i, 6
+  ret i64 %rem
+}
+
+define noundef i64 @sdiv64_3(i64 noundef %i)  {
+; GFX9-LABEL: sdiv64_3:
+; GFX9:       ; %bb.0: ; %entry
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_add_u32 s4, 0, 0x55500000
+; GFX9-NEXT:    s_addc_u32 s5, 0, 0x155
+; GFX9-NEXT:    s_or_b32 s5, s5, 0x55555400
+; GFX9-NEXT:    s_mul_hi_u32 s9, s4, -3
+; GFX9-NEXT:    s_mul_i32 s10, s5, -3
+; GFX9-NEXT:    s_add_i32 s9, s9, s10
+; GFX9-NEXT:    s_mul_i32 s6, s4, -3
+; GFX9-NEXT:    s_sub_i32 s9, s9, s4
+; GFX9-NEXT:    s_mul_hi_u32 s7, s5, s6
+; GFX9-NEXT:    s_mul_i32 s8, s5, s6
+; GFX9-NEXT:    s_mul_i32 s11, s4, s9
+; GFX9-NEXT:    s_mul_hi_u32 s6, s4, s6
+; GFX9-NEXT:    s_mul_hi_u32 s10, s4, s9
+; GFX9-NEXT:    s_add_u32 s6, s6, s11
+; GFX9-NEXT:    s_addc_u32 s10, 0, s10
+; GFX9-NEXT:    s_add_u32 s6, s6, s8
+; GFX9-NEXT:    s_mul_hi_u32 s11, s5, s9
+; GFX9-NEXT:    s_addc_u32 s6, s10, s7
+; GFX9-NEXT:    s_addc_u32 s7, s11, 0
+; GFX9-NEXT:    s_mul_i32 s8, s5, s9
+; GFX9-NEXT:    s_add_u32 s6, s6, s8
+; GFX9-NEXT:    v_mov_b32_e32 v2, s6
+; GFX9-NEXT:    s_addc_u32 s7, 0, s7
+; GFX9-NEXT:    v_add_co_u32_e32 v2, vcc, s4, v2
+; GFX9-NEXT:    v_ashrrev_i32_e32 v4, 31, v1
+; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
+; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, v0, v4
+; GFX9-NEXT:    s_addc_u32 s6, s5, s7
+; GFX9-NEXT:    v_xor_b32_e32 v5, v0, v4
+; GFX9-NEXT:    v_addc_co_u32_e32 v3, vcc, v1, v4, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v5, s6, 0
+; GFX9-NEXT:    v_mul_hi_u32 v6, v5, v2
+; GFX9-NEXT:    v_xor_b32_e32 v7, v3, v4
+; GFX9-NEXT:    v_add_co_u32_e32 v6, vcc, v6, v0
+; GFX9-NEXT:    v_addc_co_u32_e32 v8, vcc, 0, v1, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v7, v2, 0
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v7, s6, 0
+; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, v6, v0
+; GFX9-NEXT:    v_addc_co_u32_e32 v0, vcc, v8, v1, vcc
+; GFX9-NEXT:    v_addc_co_u32_e32 v1, vcc, 0, v3, vcc
+; GFX9-NEXT:    v_add_co_u32_e32 v3, vcc, v0, v2
+; GFX9-NEXT:    v_addc_co_u32_e32 v6, vcc, 0, v1, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v3, 3, 0
+; GFX9-NEXT:    v_mad_u64_u32 v[1:2], s[4:5], v6, 3, v[1:2]
+; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, v5, v0
+; GFX9-NEXT:    v_subb_co_u32_e32 v1, vcc, v7, v1, vcc
+; GFX9-NEXT:    v_subrev_co_u32_e32 v2, vcc, 3, v0
+; GFX9-NEXT:    v_subbrev_co_u32_e32 v5, vcc, 0, v1, vcc
+; GFX9-NEXT:    v_cmp_lt_u32_e32 vcc, 2, v2
+; GFX9-NEXT:    v_cndmask_b32_e64 v2, 0, -1, vcc
+; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v5
+; GFX9-NEXT:    v_cndmask_b32_e32 v2, -1, v2, vcc
+; GFX9-NEXT:    v_add_co_u32_e32 v5, vcc, 2, v3
+; GFX9-NEXT:    v_addc_co_u32_e32 v7, vcc, 0, v6, vcc
+; GFX9-NEXT:    v_add_co_u32_e32 v8, vcc, 1, v3
+; GFX9-NEXT:    v_cmp_lt_u32_e64 s[4:5], 2, v0
+; GFX9-NEXT:    v_addc_co_u32_e32 v9, vcc, 0, v6, vcc
+; GFX9-NEXT:    v_cndmask_b32_e64 v0, 0, -1, s[4:5]
+; GFX9-NEXT:    v_cmp_eq_u32_e64 s[4:5], 0, v1
+; GFX9-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v2
+; GFX9-NEXT:    v_cndmask_b32_e64 v0, -1, v0, s[4:5]
+; GFX9-NEXT:    v_cndmask_b32_e32 v2, v9, v7, vcc
+; GFX9-NEXT:    v_cmp_ne_u32_e64 s[4:5], 0, v0
+; GFX9-NEXT:    v_cndmask_b32_e32 v1, v8, v5, vcc
+; GFX9-NEXT:    v_cndmask_b32_e64 v0, v6, v2, s[4:5]
+; GFX9-NEXT:    v_cndmask_b32_e64 v1, v3, v1, s[4:5]
+; GFX9-NEXT:    v_xor_b32_e32 v2, v0, v4
+; GFX9-NEXT:    v_xor_b32_e32 v0, v1, v4
+; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v4
+; GFX9-NEXT:    v_subb_co_u32_e32 v1, vcc, v2, v4, vcc
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX942-LABEL: sdiv64_3:
+; GFX942:       ; %bb.0: ; %entry
+; GFX942-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX942-NEXT:    s_add_u32 s0, 0, 0x55500000
+; GFX942-NEXT:    s_addc_u32 s1, 0, 0x155
+; GFX942-NEXT:    s_or_b32 s1, s1, 0x55555400
+; GFX942-NEXT:    s_mul_hi_u32 s5, s0, -3
+; GFX942-NEXT:    s_mul_i32 s6, s1, -3
+; GFX942-NEXT:    s_add_i32 s5, s5, s6
+; GFX942-NEXT:    s_mul_i32 s2, s0, -3
+; GFX942-NEXT:    s_sub_i32 s5, s5, s0
+; GFX942-NEXT:    s_mul_hi_u32 s3, s1, s2
+; GFX942-NEXT:    s_mul_i32 s4, s1, s2
+; GFX942-NEXT:    s_mul_i32 s7, s0, s5
+; GFX942-NEXT:    s_mul_hi_u32 s2, s0, s2
+; GFX942-NEXT:    s_mul_hi_u32 s6, s0, s5
+; GFX942-NEXT:    s_add_u32 s2, s2, s7
+; GFX942-NEXT:    s_addc_u32 s6, 0, s6
+; GFX942-NEXT:    s_add_u32 s2, s2, s4
+; GFX942-NEXT:    s_mul_hi_u32 s7, s1, s5
+; GFX942-NEXT:    s_addc_u32 s2, s6, s3
+; GFX942-NEXT:    s_addc_u32 s3, s7, 0
+; GFX942-NEXT:    s_mul_i32 s4, s1, s5
+; GFX942-NEXT:    s_add_u32 s2, s2, s4
+; GFX942-NEXT:    v_mov_b32_e32 v2, s2
+; GFX942-NEXT:    v_add_co_u32_e32 v8, vcc, s0, v2
+; GFX942-NEXT:    v_ashrrev_i32_e32 v2, 31, v1
+; GFX942-NEXT:    s_addc_u32 s3, 0, s3
+; GFX942-NEXT:    v_mov_b32_e32 v3, v2
+; GFX942-NEXT:    s_cmp_lg_u64 vcc, 0
+; GFX942-NEXT:    v_lshl_add_u64 v[0:1], v[0:1], 0, v[2:3]
+; GFX942-NEXT:    s_addc_u32 s2, s1, s3
+; GFX942-NEXT:    v_xor_b32_e32 v10, v0, v2
+; GFX942-NEXT:    v_xor_b32_e32 v3, v1, v2
+; GFX942-NEXT:    v_mad_u64_u32 v[0:1], s[0:1], v10, s2, 0
+; GFX942-NEXT:    v_mul_hi_u32 v4, v10, v8
+; GFX942-NEXT:    v_mov_b32_e32 v5, 0
+; GFX942-NEXT:    v_lshl_add_u64 v[0:1], v[4:5], 0, v[0:1]
+; GFX942-NEXT:    v_mad_u64_u32 v[8:9], s[0:1], v3, v8, 0
+; GFX942-NEXT:    v_add_co_u32_e32 v0, vcc, v0, v8
+; GFX942-NEXT:    v_mad_u64_u32 v[6:7], s[0:1], v3, s2, 0
+; GFX942-NEXT:    s_nop 0
+; GFX942-NEXT:    v_addc_co_u32_e32 v4, vcc, v1, v9, vcc
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_addc_co_u32_e32 v7, vcc, 0, v7, vcc
+; GFX942-NEXT:    v_lshl_add_u64 v[0:1], v[4:5], 0, v[6:7]
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v0, 3, 0
+; GFX942-NEXT:    v_mov_b32_e32 v6, v5
+; GFX942-NEXT:    v_mad_u64_u32 v[6:7], s[0:1], v1, 3, v[6:7]
+; GFX942-NEXT:    v_sub_co_u32_e32 v8, vcc, v10, v4
+; GFX942-NEXT:    v_cmp_lt_u32_e64 s[0:1], 2, v8
+; GFX942-NEXT:    s_nop 0
+; GFX942-NEXT:    v_subb_co_u32_e32 v3, vcc, v3, v6, vcc
+; GFX942-NEXT:    v_subrev_co_u32_e32 v4, vcc, 3, v8
+; GFX942-NEXT:    v_lshl_add_u64 v[6:7], v[0:1], 0, 1
+; GFX942-NEXT:    s_nop 0
+; GFX942-NEXT:    v_subbrev_co_u32_e32 v5, vcc, 0, v3, vcc
+; GFX942-NEXT:    v_cmp_lt_u32_e32 vcc, 2, v4
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e64 v4, 0, -1, vcc
+; GFX942-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v5
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e32 v9, -1, v4, vcc
+; GFX942-NEXT:    v_lshl_add_u64 v[4:5], v[0:1], 0, 2
+; GFX942-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v9
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e32 v5, v7, v5, vcc
+; GFX942-NEXT:    v_cndmask_b32_e64 v7, 0, -1, s[0:1]
+; GFX942-NEXT:    v_cmp_eq_u32_e64 s[0:1], 0, v3
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e64 v3, -1, v7, s[0:1]
+; GFX942-NEXT:    v_cmp_ne_u32_e64 s[0:1], 0, v3
+; GFX942-NEXT:    v_cndmask_b32_e32 v3, v6, v4, vcc
+; GFX942-NEXT:    s_nop 0
+; GFX942-NEXT:    v_cndmask_b32_e64 v0, v0, v3, s[0:1]
+; GFX942-NEXT:    v_cndmask_b32_e64 v1, v1, v5, s[0:1]
+; GFX942-NEXT:    v_xor_b32_e32 v0, v0, v2
+; GFX942-NEXT:    v_xor_b32_e32 v1, v1, v2
+; GFX942-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v2
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_subb_co_u32_e32 v1, vcc, v1, v2, vcc
+; GFX942-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1030-LABEL: sdiv64_3:
+; GFX1030:       ; %bb.0: ; %entry
+; GFX1030-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1030-NEXT:    s_add_u32 s4, 0, 0x55500000
+; GFX1030-NEXT:    s_addc_u32 s5, 0, 0x155
+; GFX1030-NEXT:    s_mul_hi_u32 s6, s4, -3
+; GFX1030-NEXT:    s_or_b32 s5, s5, 0x55555400
+; GFX1030-NEXT:    s_mul_i32 s8, s4, -3
+; GFX1030-NEXT:    s_mul_i32 s7, s5, -3
+; GFX1030-NEXT:    s_mul_i32 s9, s5, s8
+; GFX1030-NEXT:    s_add_i32 s6, s6, s7
+; GFX1030-NEXT:    s_mul_hi_u32 s7, s5, s8
+; GFX1030-NEXT:    s_sub_i32 s6, s6, s4
+; GFX1030-NEXT:    s_mul_hi_u32 s8, s4, s8
+; GFX1030-NEXT:    s_mul_i32 s10, s4, s6
+; GFX1030-NEXT:    v_ashrrev_i32_e32 v4, 31, v1
+; GFX1030-NEXT:    s_mul_hi_u32 s11, s4, s6
+; GFX1030-NEXT:    s_add_u32 s8, s8, s10
+; GFX1030-NEXT:    s_addc_u32 s10, 0, s11
+; GFX1030-NEXT:    s_mul_hi_u32 s11, s5, s6
+; GFX1030-NEXT:    s_add_u32 s8, s8, s9
+; GFX1030-NEXT:    s_addc_u32 s7, s10, s7
+; GFX1030-NEXT:    s_mul_i32 s6, s5, s6
+; GFX1030-NEXT:    v_add_co_u32 v0, vcc_lo, v0, v4
+; GFX1030-NEXT:    s_addc_u32 s8, s11, 0
+; GFX1030-NEXT:    s_add_u32 s6, s7, s6
+; GFX1030-NEXT:    s_addc_u32 s7, 0, s8
+; GFX1030-NEXT:    v_add_co_u32 v2, s4, s4, s6
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v3, vcc_lo, v1, v4, vcc_lo
+; GFX1030-NEXT:    v_xor_b32_e32 v5, v0, v4
+; GFX1030-NEXT:    s_cmp_lg_u32 s4, 0
+; GFX1030-NEXT:    s_addc_u32 s4, s5, s7
+; GFX1030-NEXT:    v_xor_b32_e32 v7, v3, v4
+; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, v5, s4, 0
+; GFX1030-NEXT:    v_mul_hi_u32 v6, v5, v2
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v7, v2, 0
+; GFX1030-NEXT:    v_add_co_u32 v6, vcc_lo, v6, v0
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v8, vcc_lo, 0, v1, vcc_lo
+; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, v7, s4, 0
+; GFX1030-NEXT:    v_add_co_u32 v2, vcc_lo, v6, v2
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v2, vcc_lo, v8, v3, vcc_lo
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v1, vcc_lo, 0, v1, vcc_lo
+; GFX1030-NEXT:    v_add_co_u32 v3, vcc_lo, v2, v0
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v6, vcc_lo, 0, v1, vcc_lo
+; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, v3, 3, 0
+; GFX1030-NEXT:    v_mad_u64_u32 v[1:2], null, v6, 3, v[1:2]
+; GFX1030-NEXT:    v_sub_co_u32 v0, vcc_lo, v5, v0
+; GFX1030-NEXT:    v_sub_co_ci_u32_e32 v1, vcc_lo, v7, v1, vcc_lo
+; GFX1030-NEXT:    v_sub_co_u32 v2, vcc_lo, v0, 3
+; GFX1030-NEXT:    v_subrev_co_ci_u32_e32 v5, vcc_lo, 0, v1, vcc_lo
+; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 2, v2
+; GFX1030-NEXT:    v_cmp_eq_u32_e64 s4, 0, v1
+; GFX1030-NEXT:    v_cndmask_b32_e64 v2, 0, -1, vcc_lo
+; GFX1030-NEXT:    v_add_co_u32 v7, vcc_lo, v3, 2
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v8, vcc_lo, 0, v6, vcc_lo
+; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 2, v0
+; GFX1030-NEXT:    v_cndmask_b32_e64 v0, 0, -1, vcc_lo
+; GFX1030-NEXT:    v_cmp_eq_u32_e32 vcc_lo, 0, v5
+; GFX1030-NEXT:    v_cndmask_b32_e64 v0, -1, v0, s4
+; GFX1030-NEXT:    v_cndmask_b32_e32 v2, -1, v2, vcc_lo
+; GFX1030-NEXT:    v_add_co_u32 v5, vcc_lo, v3, 1
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v9, vcc_lo, 0, v6, vcc_lo
+; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v2
+; GFX1030-NEXT:    v_cndmask_b32_e32 v1, v9, v8, vcc_lo
+; GFX1030-NEXT:    v_cndmask_b32_e32 v2, v5, v7, vcc_lo
+; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v0
+; GFX1030-NEXT:    v_cndmask_b32_e32 v0, v6, v1, vcc_lo
+; GFX1030-NEXT:    v_cndmask_b32_e32 v1, v3, v2, vcc_lo
+; GFX1030-NEXT:    v_xor_b32_e32 v2, v0, v4
+; GFX1030-NEXT:    v_xor_b32_e32 v1, v1, v4
+; GFX1030-NEXT:    v_sub_co_u32 v0, vcc_lo, v1, v4
+; GFX1030-NEXT:    v_sub_co_ci_u32_e32 v1, vcc_lo, v2, v4, vcc_lo
+; GFX1030-NEXT:    s_setpc_b64 s[30:31]
+entry:
+  %div = sdiv i64 %i, 3
+  ret i64 %div
+}
+
+define noundef i64 @sdiv64_6(i64 noundef %i)  {
+; GFX9-LABEL: sdiv64_6:
+; GFX9:       ; %bb.0: ; %entry
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_add_u32 s4, 0, 0x55500000
+; GFX9-NEXT:    s_addc_u32 s5, 0, 0x155
+; GFX9-NEXT:    s_or_b32 s5, s5, 0x55555400
+; GFX9-NEXT:    s_mul_hi_u32 s9, s4, -3
+; GFX9-NEXT:    s_mul_i32 s10, s5, -3
+; GFX9-NEXT:    s_add_i32 s9, s9, s10
+; GFX9-NEXT:    s_mul_i32 s6, s4, -3
+; GFX9-NEXT:    s_sub_i32 s9, s9, s4
+; GFX9-NEXT:    s_mul_hi_u32 s7, s5, s6
+; GFX9-NEXT:    s_mul_i32 s8, s5, s6
+; GFX9-NEXT:    s_mul_i32 s11, s4, s9
+; GFX9-NEXT:    s_mul_hi_u32 s6, s4, s6
+; GFX9-NEXT:    s_mul_hi_u32 s10, s4, s9
+; GFX9-NEXT:    s_add_u32 s6, s6, s11
+; GFX9-NEXT:    s_addc_u32 s10, 0, s10
+; GFX9-NEXT:    s_add_u32 s6, s6, s8
+; GFX9-NEXT:    s_mul_hi_u32 s11, s5, s9
+; GFX9-NEXT:    s_addc_u32 s6, s10, s7
+; GFX9-NEXT:    s_addc_u32 s7, s11, 0
+; GFX9-NEXT:    s_mul_i32 s8, s5, s9
+; GFX9-NEXT:    s_add_u32 s6, s6, s8
+; GFX9-NEXT:    v_mov_b32_e32 v2, s6
+; GFX9-NEXT:    s_addc_u32 s7, 0, s7
+; GFX9-NEXT:    v_add_co_u32_e32 v2, vcc, s4, v2
+; GFX9-NEXT:    v_ashrrev_i32_e32 v4, 31, v1
+; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
+; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, v0, v4
+; GFX9-NEXT:    s_addc_u32 s6, s5, s7
+; GFX9-NEXT:    v_xor_b32_e32 v5, v0, v4
+; GFX9-NEXT:    v_addc_co_u32_e32 v3, vcc, v1, v4, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v5, s6, 0
+; GFX9-NEXT:    v_mul_hi_u32 v6, v5, v2
+; GFX9-NEXT:    v_xor_b32_e32 v7, v3, v4
+; GFX9-NEXT:    v_add_co_u32_e32 v6, vcc, v6, v0
+; GFX9-NEXT:    v_addc_co_u32_e32 v8, vcc, 0, v1, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v7, v2, 0
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v7, s6, 0
+; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, v6, v0
+; GFX9-NEXT:    v_addc_co_u32_e32 v0, vcc, v8, v1, vcc
+; GFX9-NEXT:    v_addc_co_u32_e32 v1, vcc, 0, v3, vcc
+; GFX9-NEXT:    v_add_co_u32_e32 v3, vcc, v0, v2
+; GFX9-NEXT:    v_addc_co_u32_e32 v6, vcc, 0, v1, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v3, 3, 0
+; GFX9-NEXT:    v_mad_u64_u32 v[1:2], s[4:5], v6, 3, v[1:2]
+; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, v5, v0
+; GFX9-NEXT:    v_subb_co_u32_e32 v1, vcc, v7, v1, vcc
+; GFX9-NEXT:    v_subrev_co_u32_e32 v2, vcc, 3, v0
+; GFX9-NEXT:    v_subbrev_co_u32_e32 v5, vcc, 0, v1, vcc
+; GFX9-NEXT:    v_cmp_lt_u32_e32 vcc, 2, v2
+; GFX9-NEXT:    v_cndmask_b32_e64 v2, 0, -1, vcc
+; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v5
+; GFX9-NEXT:    v_cndmask_b32_e32 v2, -1, v2, vcc
+; GFX9-NEXT:    v_add_co_u32_e32 v5, vcc, 2, v3
+; GFX9-NEXT:    v_addc_co_u32_e32 v7, vcc, 0, v6, vcc
+; GFX9-NEXT:    v_add_co_u32_e32 v8, vcc, 1, v3
+; GFX9-NEXT:    v_cmp_lt_u32_e64 s[4:5], 2, v0
+; GFX9-NEXT:    v_addc_co_u32_e32 v9, vcc, 0, v6, vcc
+; GFX9-NEXT:    v_cndmask_b32_e64 v0, 0, -1, s[4:5]
+; GFX9-NEXT:    v_cmp_eq_u32_e64 s[4:5], 0, v1
+; GFX9-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v2
+; GFX9-NEXT:    v_cndmask_b32_e64 v0, -1, v0, s[4:5]
+; GFX9-NEXT:    v_cndmask_b32_e32 v2, v9, v7, vcc
+; GFX9-NEXT:    v_cmp_ne_u32_e64 s[4:5], 0, v0
+; GFX9-NEXT:    v_cndmask_b32_e32 v1, v8, v5, vcc
+; GFX9-NEXT:    v_cndmask_b32_e64 v0, v6, v2, s[4:5]
+; GFX9-NEXT:    v_cndmask_b32_e64 v1, v3, v1, s[4:5]
+; GFX9-NEXT:    v_xor_b32_e32 v2, v0, v4
+; GFX9-NEXT:    v_xor_b32_e32 v0, v1, v4
+; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v4
+; GFX9-NEXT:    v_subb_co_u32_e32 v1, vcc, v2, v4, vcc
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX942-LABEL: sdiv64_6:
+; GFX942:       ; %bb.0: ; %entry
+; GFX942-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX942-NEXT:    s_add_u32 s0, 0, 0x55500000
+; GFX942-NEXT:    s_addc_u32 s1, 0, 0x155
+; GFX942-NEXT:    s_or_b32 s1, s1, 0x55555400
+; GFX942-NEXT:    s_mul_hi_u32 s5, s0, -3
+; GFX942-NEXT:    s_mul_i32 s6, s1, -3
+; GFX942-NEXT:    s_add_i32 s5, s5, s6
+; GFX942-NEXT:    s_mul_i32 s2, s0, -3
+; GFX942-NEXT:    s_sub_i32 s5, s5, s0
+; GFX942-NEXT:    s_mul_hi_u32 s3, s1, s2
+; GFX942-NEXT:    s_mul_i32 s4, s1, s2
+; GFX942-NEXT:    s_mul_i32 s7, s0, s5
+; GFX942-NEXT:    s_mul_hi_u32 s2, s0, s2
+; GFX942-NEXT:    s_mul_hi_u32 s6, s0, s5
+; GFX942-NEXT:    s_add_u32 s2, s2, s7
+; GFX942-NEXT:    s_addc_u32 s6, 0, s6
+; GFX942-NEXT:    s_add_u32 s2, s2, s4
+; GFX942-NEXT:    s_mul_hi_u32 s7, s1, s5
+; GFX942-NEXT:    s_addc_u32 s2, s6, s3
+; GFX942-NEXT:    s_addc_u32 s3, s7, 0
+; GFX942-NEXT:    s_mul_i32 s4, s1, s5
+; GFX942-NEXT:    s_add_u32 s2, s2, s4
+; GFX942-NEXT:    v_mov_b32_e32 v2, s2
+; GFX942-NEXT:    v_add_co_u32_e32 v8, vcc, s0, v2
+; GFX942-NEXT:    v_ashrrev_i32_e32 v2, 31, v1
+; GFX942-NEXT:    s_addc_u32 s3, 0, s3
+; GFX942-NEXT:    v_mov_b32_e32 v3, v2
+; GFX942-NEXT:    s_cmp_lg_u64 vcc, 0
+; GFX942-NEXT:    v_lshl_add_u64 v[0:1], v[0:1], 0, v[2:3]
+; GFX942-NEXT:    s_addc_u32 s2, s1, s3
+; GFX942-NEXT:    v_xor_b32_e32 v10, v0, v2
+; GFX942-NEXT:    v_xor_b32_e32 v3, v1, v2
+; GFX942-NEXT:    v_mad_u64_u32 v[0:1], s[0:1], v10, s2, 0
+; GFX942-NEXT:    v_mul_hi_u32 v4, v10, v8
+; GFX942-NEXT:    v_mov_b32_e32 v5, 0
+; GFX942-NEXT:    v_lshl_add_u64 v[0:1], v[4:5], 0, v[0:1]
+; GFX942-NEXT:    v_mad_u64_u32 v[8:9], s[0:1], v3, v8, 0
+; GFX942-NEXT:    v_add_co_u32_e32 v0, vcc, v0, v8
+; GFX942-NEXT:    v_mad_u64_u32 v[6:7], s[0:1], v3, s2, 0
+; GFX942-NEXT:    s_nop 0
+; GFX942-NEXT:    v_addc_co_u32_e32 v4, vcc, v1, v9, vcc
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_addc_co_u32_e32 v7, vcc, 0, v7, vcc
+; GFX942-NEXT:    v_lshl_add_u64 v[0:1], v[4:5], 0, v[6:7]
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v0, 3, 0
+; GFX942-NEXT:    v_mov_b32_e32 v6, v5
+; GFX942-NEXT:    v_mad_u64_u32 v[6:7], s[0:1], v1, 3, v[6:7]
+; GFX942-NEXT:    v_sub_co_u32_e32 v8, vcc, v10, v4
+; GFX942-NEXT:    v_cmp_lt_u32_e64 s[0:1], 2, v8
+; GFX942-NEXT:    s_nop 0
+; GFX942-NEXT:    v_subb_co_u32_e32 v3, vcc, v3, v6, vcc
+; GFX942-NEXT:    v_subrev_co_u32_e32 v4, vcc, 3, v8
+; GFX942-NEXT:    v_lshl_add_u64 v[6:7], v[0:1], 0, 1
+; GFX942-NEXT:    s_nop 0
+; GFX942-NEXT:    v_subbrev_co_u32_e32 v5, vcc, 0, v3, vcc
+; GFX942-NEXT:    v_cmp_lt_u32_e32 vcc, 2, v4
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e64 v4, 0, -1, vcc
+; GFX942-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v5
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e32 v9, -1, v4, vcc
+; GFX942-NEXT:    v_lshl_add_u64 v[4:5], v[0:1], 0, 2
+; GFX942-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v9
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e32 v5, v7, v5, vcc
+; GFX942-NEXT:    v_cndmask_b32_e64 v7, 0, -1, s[0:1]
+; GFX942-NEXT:    v_cmp_eq_u32_e64 s[0:1], 0, v3
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e64 v3, -1, v7, s[0:1]
+; GFX942-NEXT:    v_cmp_ne_u32_e64 s[0:1], 0, v3
+; GFX942-NEXT:    v_cndmask_b32_e32 v3, v6, v4, vcc
+; GFX942-NEXT:    s_nop 0
+; GFX942-NEXT:    v_cndmask_b32_e64 v0, v0, v3, s[0:1]
+; GFX942-NEXT:    v_cndmask_b32_e64 v1, v1, v5, s[0:1]
+; GFX942-NEXT:    v_xor_b32_e32 v0, v0, v2
+; GFX942-NEXT:    v_xor_b32_e32 v1, v1, v2
+; GFX942-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v2
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_subb_co_u32_e32 v1, vcc, v1, v2, vcc
+; GFX942-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1030-LABEL: sdiv64_6:
+; GFX1030:       ; %bb.0: ; %entry
+; GFX1030-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1030-NEXT:    s_add_u32 s4, 0, 0x55500000
+; GFX1030-NEXT:    s_addc_u32 s5, 0, 0x155
+; GFX1030-NEXT:    s_mul_hi_u32 s6, s4, -3
+; GFX1030-NEXT:    s_or_b32 s5, s5, 0x55555400
+; GFX1030-NEXT:    s_mul_i32 s8, s4, -3
+; GFX1030-NEXT:    s_mul_i32 s7, s5, -3
+; GFX1030-NEXT:    s_mul_i32 s9, s5, s8
+; GFX1030-NEXT:    s_add_i32 s6, s6, s7
+; GFX1030-NEXT:    s_mul_hi_u32 s7, s5, s8
+; GFX1030-NEXT:    s_sub_i32 s6, s6, s4
+; GFX1030-NEXT:    s_mul_hi_u32 s8, s4, s8
+; GFX1030-NEXT:    s_mul_i32 s10, s4, s6
+; GFX1030-NEXT:    v_ashrrev_i32_e32 v4, 31, v1
+; GFX1030-NEXT:    s_mul_hi_u32 s11, s4, s6
+; GFX1030-NEXT:    s_add_u32 s8, s8, s10
+; GFX1030-NEXT:    s_addc_u32 s10, 0, s11
+; GFX1030-NEXT:    s_mul_hi_u32 s11, s5, s6
+; GFX1030-NEXT:    s_add_u32 s8, s8, s9
+; GFX1030-NEXT:    s_addc_u32 s7, s10, s7
+; GFX1030-NEXT:    s_mul_i32 s6, s5, s6
+; GFX1030-NEXT:    v_add_co_u32 v0, vcc_lo, v0, v4
+; GFX1030-NEXT:    s_addc_u32 s8, s11, 0
+; GFX1030-NEXT:    s_add_u32 s6, s7, s6
+; GFX1030-NEXT:    s_addc_u32 s7, 0, s8
+; GFX1030-NEXT:    v_add_co_u32 v2, s4, s4, s6
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v3, vcc_lo, v1, v4, vcc_lo
+; GFX1030-NEXT:    v_xor_b32_e32 v5, v0, v4
+; GFX1030-NEXT:    s_cmp_lg_u32 s4, 0
+; GFX1030-NEXT:    s_addc_u32 s4, s5, s7
+; GFX1030-NEXT:    v_xor_b32_e32 v7, v3, v4
+; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, v5, s4, 0
+; GFX1030-NEXT:    v_mul_hi_u32 v6, v5, v2
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v7, v2, 0
+; GFX1030-NEXT:    v_add_co_u32 v6, vcc_lo, v6, v0
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v8, vcc_lo, 0, v1, vcc_lo
+; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, v7, s4, 0
+; GFX1030-NEXT:    v_add_co_u32 v2, vcc_lo, v6, v2
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v2, vcc_lo, v8, v3, vcc_lo
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v1, vcc_lo, 0, v1, vcc_lo
+; GFX1030-NEXT:    v_add_co_u32 v3, vcc_lo, v2, v0
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v6, vcc_lo, 0, v1, vcc_lo
+; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, v3, 3, 0
+; GFX1030-NEXT:    v_mad_u64_u32 v[1:2], null, v6, 3, v[1:2]
+; GFX1030-NEXT:    v_sub_co_u32 v0, vcc_lo, v5, v0
+; GFX1030-NEXT:    v_sub_co_ci_u32_e32 v1, vcc_lo, v7, v1, vcc_lo
+; GFX1030-NEXT:    v_sub_co_u32 v2, vcc_lo, v0, 3
+; GFX1030-NEXT:    v_subrev_co_ci_u32_e32 v5, vcc_lo, 0, v1, vcc_lo
+; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 2, v2
+; GFX1030-NEXT:    v_cmp_eq_u32_e64 s4, 0, v1
+; GFX1030-NEXT:    v_cndmask_b32_e64 v2, 0, -1, vcc_lo
+; GFX1030-NEXT:    v_add_co_u32 v7, vcc_lo, v3, 2
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v8, vcc_lo, 0, v6, vcc_lo
+; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 2, v0
+; GFX1030-NEXT:    v_cndmask_b32_e64 v0, 0, -1, vcc_lo
+; GFX1030-NEXT:    v_cmp_eq_u32_e32 vcc_lo, 0, v5
+; GFX1030-NEXT:    v_cndmask_b32_e64 v0, -1, v0, s4
+; GFX1030-NEXT:    v_cndmask_b32_e32 v2, -1, v2, vcc_lo
+; GFX1030-NEXT:    v_add_co_u32 v5, vcc_lo, v3, 1
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v9, vcc_lo, 0, v6, vcc_lo
+; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v2
+; GFX1030-NEXT:    v_cndmask_b32_e32 v1, v9, v8, vcc_lo
+; GFX1030-NEXT:    v_cndmask_b32_e32 v2, v5, v7, vcc_lo
+; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v0
+; GFX1030-NEXT:    v_cndmask_b32_e32 v0, v6, v1, vcc_lo
+; GFX1030-NEXT:    v_cndmask_b32_e32 v1, v3, v2, vcc_lo
+; GFX1030-NEXT:    v_xor_b32_e32 v2, v0, v4
+; GFX1030-NEXT:    v_xor_b32_e32 v1, v1, v4
+; GFX1030-NEXT:    v_sub_co_u32 v0, vcc_lo, v1, v4
+; GFX1030-NEXT:    v_sub_co_ci_u32_e32 v1, vcc_lo, v2, v4, vcc_lo
+; GFX1030-NEXT:    s_setpc_b64 s[30:31]
+entry:
+  %div = sdiv i64 %i, 3
+  ret i64 %div
+}
+
+define noundef i64 @udiv64_3(i64 noundef %i)  {
+; GFX9-LABEL: udiv64_3:
+; GFX9:       ; %bb.0: ; %entry
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_add_u32 s4, 0, 0x55500000
+; GFX9-NEXT:    s_addc_u32 s5, 0, 0x155
+; GFX9-NEXT:    s_add_i32 s5, s5, 0x55555400
+; GFX9-NEXT:    s_mul_hi_u32 s9, s4, -3
+; GFX9-NEXT:    s_sub_i32 s9, s9, s4
+; GFX9-NEXT:    s_mul_i32 s10, s5, -3
+; GFX9-NEXT:    s_mul_i32 s6, s4, -3
+; GFX9-NEXT:    s_add_i32 s9, s9, s10
+; GFX9-NEXT:    s_mul_hi_u32 s7, s5, s6
+; GFX9-NEXT:    s_mul_i32 s8, s5, s6
+; GFX9-NEXT:    s_mul_i32 s11, s4, s9
+; GFX9-NEXT:    s_mul_hi_u32 s6, s4, s6
+; GFX9-NEXT:    s_mul_hi_u32 s10, s4, s9
+; GFX9-NEXT:    s_add_u32 s6, s6, s11
+; GFX9-NEXT:    s_addc_u32 s10, 0, s10
+; GFX9-NEXT:    s_add_u32 s6, s6, s8
+; GFX9-NEXT:    s_mul_hi_u32 s11, s5, s9
+; GFX9-NEXT:    s_addc_u32 s6, s10, s7
+; GFX9-NEXT:    s_addc_u32 s7, s11, 0
+; GFX9-NEXT:    s_mul_i32 s8, s5, s9
+; GFX9-NEXT:    s_add_u32 s6, s6, s8
+; GFX9-NEXT:    v_mov_b32_e32 v2, s6
+; GFX9-NEXT:    s_addc_u32 s7, 0, s7
+; GFX9-NEXT:    v_add_co_u32_e32 v4, vcc, s4, v2
+; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
+; GFX9-NEXT:    s_addc_u32 s6, s5, s7
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v0, s6, 0
+; GFX9-NEXT:    v_mul_hi_u32 v5, v0, v4
+; GFX9-NEXT:    v_add_co_u32_e32 v6, vcc, v5, v2
+; GFX9-NEXT:    v_addc_co_u32_e32 v7, vcc, 0, v3, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v1, v4, 0
+; GFX9-NEXT:    v_mad_u64_u32 v[4:5], s[4:5], v1, s6, 0
+; GFX9-NEXT:    v_add_co_u32_e32 v2, vcc, v6, v2
+; GFX9-NEXT:    v_addc_co_u32_e32 v2, vcc, v7, v3, vcc
+; GFX9-NEXT:    v_addc_co_u32_e32 v3, vcc, 0, v5, vcc
+; GFX9-NEXT:    v_add_co_u32_e32 v5, vcc, v2, v4
+; GFX9-NEXT:    v_addc_co_u32_e32 v6, vcc, 0, v3, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v5, 3, 0
+; GFX9-NEXT:    v_mad_u64_u32 v[3:4], s[4:5], v6, 3, v[3:4]
+; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v2
+; GFX9-NEXT:    v_subb_co_u32_e32 v1, vcc, v1, v3, vcc
+; GFX9-NEXT:    v_subrev_co_u32_e32 v2, vcc, 3, v0
+; GFX9-NEXT:    v_subbrev_co_u32_e32 v3, vcc, 0, v1, vcc
+; GFX9-NEXT:    v_cmp_lt_u32_e32 vcc, 2, v2
+; GFX9-NEXT:    v_cndmask_b32_e64 v2, 0, -1, vcc
+; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v3
+; GFX9-NEXT:    v_cndmask_b32_e32 v2, -1, v2, vcc
+; GFX9-NEXT:    v_add_co_u32_e32 v3, vcc, 2, v5
+; GFX9-NEXT:    v_addc_co_u32_e32 v4, vcc, 0, v6, vcc
+; GFX9-NEXT:    v_add_co_u32_e32 v7, vcc, 1, v5
+; GFX9-NEXT:    v_cmp_lt_u32_e64 s[4:5], 2, v0
+; GFX9-NEXT:    v_addc_co_u32_e32 v8, vcc, 0, v6, vcc
+; GFX9-NEXT:    v_cndmask_b32_e64 v0, 0, -1, s[4:5]
+; GFX9-NEXT:    v_cmp_eq_u32_e64 s[4:5], 0, v1
+; GFX9-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v2
+; GFX9-NEXT:    v_cndmask_b32_e64 v0, -1, v0, s[4:5]
+; GFX9-NEXT:    v_cndmask_b32_e32 v2, v7, v3, vcc
+; GFX9-NEXT:    v_cmp_ne_u32_e64 s[4:5], 0, v0
+; GFX9-NEXT:    v_cndmask_b32_e32 v1, v8, v4, vcc
+; GFX9-NEXT:    v_cndmask_b32_e64 v0, v5, v2, s[4:5]
+; GFX9-NEXT:    v_cndmask_b32_e64 v1, v6, v1, s[4:5]
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX942-LABEL: udiv64_3:
+; GFX942:       ; %bb.0: ; %entry
+; GFX942-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX942-NEXT:    s_add_u32 s0, 0, 0x55500000
+; GFX942-NEXT:    s_addc_u32 s1, 0, 0x155
+; GFX942-NEXT:    s_add_i32 s1, s1, 0x55555400
+; GFX942-NEXT:    s_mul_hi_u32 s5, s0, -3
+; GFX942-NEXT:    s_sub_i32 s5, s5, s0
+; GFX942-NEXT:    s_mul_i32 s6, s1, -3
+; GFX942-NEXT:    s_mul_i32 s2, s0, -3
+; GFX942-NEXT:    s_add_i32 s5, s5, s6
+; GFX942-NEXT:    s_mul_hi_u32 s3, s1, s2
+; GFX942-NEXT:    s_mul_i32 s4, s1, s2
+; GFX942-NEXT:    s_mul_i32 s7, s0, s5
+; GFX942-NEXT:    s_mul_hi_u32 s2, s0, s2
+; GFX942-NEXT:    s_mul_hi_u32 s6, s0, s5
+; GFX942-NEXT:    s_add_u32 s2, s2, s7
+; GFX942-NEXT:    s_addc_u32 s6, 0, s6
+; GFX942-NEXT:    s_add_u32 s2, s2, s4
+; GFX942-NEXT:    s_mul_hi_u32 s7, s1, s5
+; GFX942-NEXT:    s_addc_u32 s2, s6, s3
+; GFX942-NEXT:    s_addc_u32 s3, s7, 0
+; GFX942-NEXT:    s_mul_i32 s4, s1, s5
+; GFX942-NEXT:    s_add_u32 s2, s2, s4
+; GFX942-NEXT:    v_mov_b32_e32 v2, s2
+; GFX942-NEXT:    s_addc_u32 s3, 0, s3
+; GFX942-NEXT:    v_add_co_u32_e32 v8, vcc, s0, v2
+; GFX942-NEXT:    s_cmp_lg_u64 vcc, 0
+; GFX942-NEXT:    s_addc_u32 s2, s1, s3
+; GFX942-NEXT:    v_mad_u64_u32 v[2:3], s[0:1], v0, s2, 0
+; GFX942-NEXT:    v_mul_hi_u32 v4, v0, v8
+; GFX942-NEXT:    v_mov_b32_e32 v5, 0
+; GFX942-NEXT:    v_lshl_add_u64 v[2:3], v[4:5], 0, v[2:3]
+; GFX942-NEXT:    v_mad_u64_u32 v[8:9], s[0:1], v1, v8, 0
+; GFX942-NEXT:    v_add_co_u32_e32 v2, vcc, v2, v8
+; GFX942-NEXT:    v_mad_u64_u32 v[6:7], s[0:1], v1, s2, 0
+; GFX942-NEXT:    s_nop 0
+; GFX942-NEXT:    v_addc_co_u32_e32 v4, vcc, v3, v9, vcc
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_addc_co_u32_e32 v7, vcc, 0, v7, vcc
+; GFX942-NEXT:    v_lshl_add_u64 v[2:3], v[4:5], 0, v[6:7]
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v2, 3, 0
+; GFX942-NEXT:    v_mov_b32_e32 v6, v5
+; GFX942-NEXT:    v_mad_u64_u32 v[6:7], s[0:1], v3, 3, v[6:7]
+; GFX942-NEXT:    v_sub_co_u32_e32 v7, vcc, v0, v4
+; GFX942-NEXT:    v_lshl_add_u64 v[4:5], v[2:3], 0, 1
+; GFX942-NEXT:    s_nop 0
+; GFX942-NEXT:    v_subb_co_u32_e32 v6, vcc, v1, v6, vcc
+; GFX942-NEXT:    v_subrev_co_u32_e32 v0, vcc, 3, v7
+; GFX942-NEXT:    v_cmp_lt_u32_e64 s[0:1], 2, v7
+; GFX942-NEXT:    s_nop 0
+; GFX942-NEXT:    v_subbrev_co_u32_e32 v1, vcc, 0, v6, vcc
+; GFX942-NEXT:    v_cmp_lt_u32_e32 vcc, 2, v0
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e64 v0, 0, -1, vcc
+; GFX942-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v1
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e32 v8, -1, v0, vcc
+; GFX942-NEXT:    v_lshl_add_u64 v[0:1], v[2:3], 0, 2
+; GFX942-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v8
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e32 v0, v4, v0, vcc
+; GFX942-NEXT:    v_cndmask_b32_e64 v4, 0, -1, s[0:1]
+; GFX942-NEXT:    v_cmp_eq_u32_e64 s[0:1], 0, v6
+; GFX942-NEXT:    v_cndmask_b32_e32 v1, v5, v1, vcc
+; GFX942-NEXT:    s_nop 0
+; GFX942-NEXT:    v_cndmask_b32_e64 v4, -1, v4, s[0:1]
+; GFX942-NEXT:    v_cmp_ne_u32_e64 s[0:1], 0, v4
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e64 v0, v2, v0, s[0:1]
+; GFX942-NEXT:    v_cndmask_b32_e64 v1, v3, v1, s[0:1]
+; GFX942-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1030-LABEL: udiv64_3:
+; GFX1030:       ; %bb.0: ; %entry
+; GFX1030-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1030-NEXT:    s_add_u32 s4, 0, 0x55500000
+; GFX1030-NEXT:    s_addc_u32 s5, 0, 0x155
+; GFX1030-NEXT:    s_mul_hi_u32 s7, s4, -3
+; GFX1030-NEXT:    s_add_i32 s5, s5, 0x55555400
+; GFX1030-NEXT:    s_sub_i32 s7, s7, s4
+; GFX1030-NEXT:    s_mul_i32 s8, s5, -3
+; GFX1030-NEXT:    s_mul_i32 s6, s4, -3
+; GFX1030-NEXT:    s_add_i32 s7, s7, s8
+; GFX1030-NEXT:    s_mul_hi_u32 s9, s5, s6
+; GFX1030-NEXT:    s_mul_i32 s8, s5, s6
+; GFX1030-NEXT:    s_mul_i32 s10, s4, s7
+; GFX1030-NEXT:    s_mul_hi_u32 s6, s4, s6
+; GFX1030-NEXT:    s_mul_hi_u32 s11, s4, s7
+; GFX1030-NEXT:    s_add_u32 s6, s6, s10
+; GFX1030-NEXT:    s_addc_u32 s10, 0, s11
+; GFX1030-NEXT:    s_mul_hi_u32 s11, s5, s7
+; GFX1030-NEXT:    s_add_u32 s6, s6, s8
+; GFX1030-NEXT:    s_addc_u32 s6, s10, s9
+; GFX1030-NEXT:    s_mul_i32 s7, s5, s7
+; GFX1030-NEXT:    s_addc_u32 s8, s11, 0
+; GFX1030-NEXT:    s_add_u32 s6, s6, s7
+; GFX1030-NEXT:    v_add_co_u32 v4, s4, s4, s6
+; GFX1030-NEXT:    s_addc_u32 s6, 0, s8
+; GFX1030-NEXT:    s_cmp_lg_u32 s4, 0
+; GFX1030-NEXT:    s_addc_u32 s4, s5, s6
+; GFX1030-NEXT:    v_mul_hi_u32 v6, v0, v4
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v0, s4, 0
+; GFX1030-NEXT:    v_mad_u64_u32 v[4:5], null, v1, v4, 0
+; GFX1030-NEXT:    v_add_co_u32 v6, vcc_lo, v6, v2
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v7, vcc_lo, 0, v3, vcc_lo
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v1, s4, 0
+; GFX1030-NEXT:    v_add_co_u32 v4, vcc_lo, v6, v4
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v4, vcc_lo, v7, v5, vcc_lo
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v3, vcc_lo, 0, v3, vcc_lo
+; GFX1030-NEXT:    v_add_co_u32 v5, vcc_lo, v4, v2
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v6, vcc_lo, 0, v3, vcc_lo
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v5, 3, 0
+; GFX1030-NEXT:    v_mad_u64_u32 v[3:4], null, v6, 3, v[3:4]
+; GFX1030-NEXT:    v_sub_co_u32 v0, vcc_lo, v0, v2
+; GFX1030-NEXT:    v_sub_co_ci_u32_e32 v1, vcc_lo, v1, v3, vcc_lo
+; GFX1030-NEXT:    v_sub_co_u32 v2, vcc_lo, v0, 3
+; GFX1030-NEXT:    v_subrev_co_ci_u32_e32 v3, vcc_lo, 0, v1, vcc_lo
+; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 2, v2
+; GFX1030-NEXT:    v_cmp_eq_u32_e64 s4, 0, v1
+; GFX1030-NEXT:    v_cndmask_b32_e64 v2, 0, -1, vcc_lo
+; GFX1030-NEXT:    v_add_co_u32 v4, vcc_lo, v5, 2
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v7, vcc_lo, 0, v6, vcc_lo
+; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 2, v0
+; GFX1030-NEXT:    v_cndmask_b32_e64 v0, 0, -1, vcc_lo
+; GFX1030-NEXT:    v_cmp_eq_u32_e32 vcc_lo, 0, v3
+; GFX1030-NEXT:    v_cndmask_b32_e64 v0, -1, v0, s4
+; GFX1030-NEXT:    v_cndmask_b32_e32 v2, -1, v2, vcc_lo
+; GFX1030-NEXT:    v_add_co_u32 v3, vcc_lo, v5, 1
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v8, vcc_lo, 0, v6, vcc_lo
+; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v2
+; GFX1030-NEXT:    v_cndmask_b32_e32 v1, v3, v4, vcc_lo
+; GFX1030-NEXT:    v_cndmask_b32_e32 v2, v8, v7, vcc_lo
+; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v0
+; GFX1030-NEXT:    v_cndmask_b32_e32 v0, v5, v1, vcc_lo
+; GFX1030-NEXT:    v_cndmask_b32_e32 v1, v6, v2, vcc_lo
+; GFX1030-NEXT:    s_setpc_b64 s[30:31]
+entry:
+  %div = udiv i64 %i, 3
+  ret i64 %div
+}
+
+define noundef i64 @udiv64_6(i64 noundef %i)  {
+; GFX9-LABEL: udiv64_6:
+; GFX9:       ; %bb.0: ; %entry
+; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX9-NEXT:    s_add_u32 s4, 0, 0xaaa80000
+; GFX9-NEXT:    s_addc_u32 s5, 0, 0xaa
+; GFX9-NEXT:    s_add_i32 s5, s5, 0x2aaaaa00
+; GFX9-NEXT:    s_mul_hi_u32 s9, s4, -6
+; GFX9-NEXT:    s_sub_i32 s9, s9, s4
+; GFX9-NEXT:    s_mul_i32 s10, s5, -6
+; GFX9-NEXT:    s_mul_i32 s6, s4, -6
+; GFX9-NEXT:    s_add_i32 s9, s9, s10
+; GFX9-NEXT:    s_mul_hi_u32 s7, s5, s6
+; GFX9-NEXT:    s_mul_i32 s8, s5, s6
+; GFX9-NEXT:    s_mul_i32 s11, s4, s9
+; GFX9-NEXT:    s_mul_hi_u32 s6, s4, s6
+; GFX9-NEXT:    s_mul_hi_u32 s10, s4, s9
+; GFX9-NEXT:    s_add_u32 s6, s6, s11
+; GFX9-NEXT:    s_addc_u32 s10, 0, s10
+; GFX9-NEXT:    s_add_u32 s6, s6, s8
+; GFX9-NEXT:    s_mul_hi_u32 s11, s5, s9
+; GFX9-NEXT:    s_addc_u32 s6, s10, s7
+; GFX9-NEXT:    s_addc_u32 s7, s11, 0
+; GFX9-NEXT:    s_mul_i32 s8, s5, s9
+; GFX9-NEXT:    s_add_u32 s6, s6, s8
+; GFX9-NEXT:    v_mov_b32_e32 v2, s6
+; GFX9-NEXT:    s_addc_u32 s7, 0, s7
+; GFX9-NEXT:    v_add_co_u32_e32 v4, vcc, s4, v2
+; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
+; GFX9-NEXT:    s_addc_u32 s6, s5, s7
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v0, s6, 0
+; GFX9-NEXT:    v_mul_hi_u32 v5, v0, v4
+; GFX9-NEXT:    v_add_co_u32_e32 v6, vcc, v5, v2
+; GFX9-NEXT:    v_addc_co_u32_e32 v7, vcc, 0, v3, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v1, v4, 0
+; GFX9-NEXT:    v_mad_u64_u32 v[4:5], s[4:5], v1, s6, 0
+; GFX9-NEXT:    v_add_co_u32_e32 v2, vcc, v6, v2
+; GFX9-NEXT:    v_addc_co_u32_e32 v2, vcc, v7, v3, vcc
+; GFX9-NEXT:    v_addc_co_u32_e32 v3, vcc, 0, v5, vcc
+; GFX9-NEXT:    v_add_co_u32_e32 v5, vcc, v2, v4
+; GFX9-NEXT:    v_addc_co_u32_e32 v6, vcc, 0, v3, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v5, 6, 0
+; GFX9-NEXT:    v_mad_u64_u32 v[3:4], s[4:5], v6, 6, v[3:4]
+; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v2
+; GFX9-NEXT:    v_subb_co_u32_e32 v1, vcc, v1, v3, vcc
+; GFX9-NEXT:    v_subrev_co_u32_e32 v2, vcc, 6, v0
+; GFX9-NEXT:    v_subbrev_co_u32_e32 v3, vcc, 0, v1, vcc
+; GFX9-NEXT:    v_cmp_lt_u32_e32 vcc, 5, v2
+; GFX9-NEXT:    v_cndmask_b32_e64 v2, 0, -1, vcc
+; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v3
+; GFX9-NEXT:    v_cndmask_b32_e32 v2, -1, v2, vcc
+; GFX9-NEXT:    v_add_co_u32_e32 v3, vcc, 2, v5
+; GFX9-NEXT:    v_addc_co_u32_e32 v4, vcc, 0, v6, vcc
+; GFX9-NEXT:    v_add_co_u32_e32 v7, vcc, 1, v5
+; GFX9-NEXT:    v_cmp_lt_u32_e64 s[4:5], 5, v0
+; GFX9-NEXT:    v_addc_co_u32_e32 v8, vcc, 0, v6, vcc
+; GFX9-NEXT:    v_cndmask_b32_e64 v0, 0, -1, s[4:5]
+; GFX9-NEXT:    v_cmp_eq_u32_e64 s[4:5], 0, v1
+; GFX9-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v2
+; GFX9-NEXT:    v_cndmask_b32_e64 v0, -1, v0, s[4:5]
+; GFX9-NEXT:    v_cndmask_b32_e32 v2, v7, v3, vcc
+; GFX9-NEXT:    v_cmp_ne_u32_e64 s[4:5], 0, v0
+; GFX9-NEXT:    v_cndmask_b32_e32 v1, v8, v4, vcc
+; GFX9-NEXT:    v_cndmask_b32_e64 v0, v5, v2, s[4:5]
+; GFX9-NEXT:    v_cndmask_b32_e64 v1, v6, v1, s[4:5]
+; GFX9-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX942-LABEL: udiv64_6:
+; GFX942:       ; %bb.0: ; %entry
+; GFX942-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX942-NEXT:    s_add_u32 s0, 0, 0xaaa80000
+; GFX942-NEXT:    s_addc_u32 s1, 0, 0xaa
+; GFX942-NEXT:    s_add_i32 s1, s1, 0x2aaaaa00
+; GFX942-NEXT:    s_mul_hi_u32 s5, s0, -6
+; GFX942-NEXT:    s_sub_i32 s5, s5, s0
+; GFX942-NEXT:    s_mul_i32 s6, s1, -6
+; GFX942-NEXT:    s_mul_i32 s2, s0, -6
+; GFX942-NEXT:    s_add_i32 s5, s5, s6
+; GFX942-NEXT:    s_mul_hi_u32 s3, s1, s2
+; GFX942-NEXT:    s_mul_i32 s4, s1, s2
+; GFX942-NEXT:    s_mul_i32 s7, s0, s5
+; GFX942-NEXT:    s_mul_hi_u32 s2, s0, s2
+; GFX942-NEXT:    s_mul_hi_u32 s6, s0, s5
+; GFX942-NEXT:    s_add_u32 s2, s2, s7
+; GFX942-NEXT:    s_addc_u32 s6, 0, s6
+; GFX942-NEXT:    s_add_u32 s2, s2, s4
+; GFX942-NEXT:    s_mul_hi_u32 s7, s1, s5
+; GFX942-NEXT:    s_addc_u32 s2, s6, s3
+; GFX942-NEXT:    s_addc_u32 s3, s7, 0
+; GFX942-NEXT:    s_mul_i32 s4, s1, s5
+; GFX942-NEXT:    s_add_u32 s2, s2, s4
+; GFX942-NEXT:    v_mov_b32_e32 v2, s2
+; GFX942-NEXT:    s_addc_u32 s3, 0, s3
+; GFX942-NEXT:    v_add_co_u32_e32 v8, vcc, s0, v2
+; GFX942-NEXT:    s_cmp_lg_u64 vcc, 0
+; GFX942-NEXT:    s_addc_u32 s2, s1, s3
+; GFX942-NEXT:    v_mad_u64_u32 v[2:3], s[0:1], v0, s2, 0
+; GFX942-NEXT:    v_mul_hi_u32 v4, v0, v8
+; GFX942-NEXT:    v_mov_b32_e32 v5, 0
+; GFX942-NEXT:    v_lshl_add_u64 v[2:3], v[4:5], 0, v[2:3]
+; GFX942-NEXT:    v_mad_u64_u32 v[8:9], s[0:1], v1, v8, 0
+; GFX942-NEXT:    v_add_co_u32_e32 v2, vcc, v2, v8
+; GFX942-NEXT:    v_mad_u64_u32 v[6:7], s[0:1], v1, s2, 0
+; GFX942-NEXT:    s_nop 0
+; GFX942-NEXT:    v_addc_co_u32_e32 v4, vcc, v3, v9, vcc
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_addc_co_u32_e32 v7, vcc, 0, v7, vcc
+; GFX942-NEXT:    v_lshl_add_u64 v[2:3], v[4:5], 0, v[6:7]
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v2, 6, 0
+; GFX942-NEXT:    v_mov_b32_e32 v6, v5
+; GFX942-NEXT:    v_mad_u64_u32 v[6:7], s[0:1], v3, 6, v[6:7]
+; GFX942-NEXT:    v_sub_co_u32_e32 v7, vcc, v0, v4
+; GFX942-NEXT:    v_lshl_add_u64 v[4:5], v[2:3], 0, 1
+; GFX942-NEXT:    s_nop 0
+; GFX942-NEXT:    v_subb_co_u32_e32 v6, vcc, v1, v6, vcc
+; GFX942-NEXT:    v_subrev_co_u32_e32 v0, vcc, 6, v7
+; GFX942-NEXT:    v_cmp_lt_u32_e64 s[0:1], 5, v7
+; GFX942-NEXT:    s_nop 0
+; GFX942-NEXT:    v_subbrev_co_u32_e32 v1, vcc, 0, v6, vcc
+; GFX942-NEXT:    v_cmp_lt_u32_e32 vcc, 5, v0
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e64 v0, 0, -1, vcc
+; GFX942-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v1
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e32 v8, -1, v0, vcc
+; GFX942-NEXT:    v_lshl_add_u64 v[0:1], v[2:3], 0, 2
+; GFX942-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v8
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e32 v0, v4, v0, vcc
+; GFX942-NEXT:    v_cndmask_b32_e64 v4, 0, -1, s[0:1]
+; GFX942-NEXT:    v_cmp_eq_u32_e64 s[0:1], 0, v6
+; GFX942-NEXT:    v_cndmask_b32_e32 v1, v5, v1, vcc
+; GFX942-NEXT:    s_nop 0
+; GFX942-NEXT:    v_cndmask_b32_e64 v4, -1, v4, s[0:1]
+; GFX942-NEXT:    v_cmp_ne_u32_e64 s[0:1], 0, v4
+; GFX942-NEXT:    s_nop 1
+; GFX942-NEXT:    v_cndmask_b32_e64 v0, v2, v0, s[0:1]
+; GFX942-NEXT:    v_cndmask_b32_e64 v1, v3, v1, s[0:1]
+; GFX942-NEXT:    s_setpc_b64 s[30:31]
+;
+; GFX1030-LABEL: udiv64_6:
+; GFX1030:       ; %bb.0: ; %entry
+; GFX1030-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
+; GFX1030-NEXT:    s_add_u32 s4, 0, 0xaaa80000
+; GFX1030-NEXT:    s_addc_u32 s5, 0, 0xaa
+; GFX1030-NEXT:    s_mul_hi_u32 s7, s4, -6
+; GFX1030-NEXT:    s_add_i32 s5, s5, 0x2aaaaa00
+; GFX1030-NEXT:    s_sub_i32 s7, s7, s4
+; GFX1030-NEXT:    s_mul_i32 s8, s5, -6
+; GFX1030-NEXT:    s_mul_i32 s6, s4, -6
+; GFX1030-NEXT:    s_add_i32 s7, s7, s8
+; GFX1030-NEXT:    s_mul_hi_u32 s9, s5, s6
+; GFX1030-NEXT:    s_mul_i32 s8, s5, s6
+; GFX1030-NEXT:    s_mul_i32 s10, s4, s7
+; GFX1030-NEXT:    s_mul_hi_u32 s6, s4, s6
+; GFX1030-NEXT:    s_mul_hi_u32 s11, s4, s7
+; GFX1030-NEXT:    s_add_u32 s6, s6, s10
+; GFX1030-NEXT:    s_addc_u32 s10, 0, s11
+; GFX1030-NEXT:    s_mul_hi_u32 s11, s5, s7
+; GFX1030-NEXT:    s_add_u32 s6, s6, s8
+; GFX1030-NEXT:    s_addc_u32 s6, s10, s9
+; GFX1030-NEXT:    s_mul_i32 s7, s5, s7
+; GFX1030-NEXT:    s_addc_u32 s8, s11, 0
+; GFX1030-NEXT:    s_add_u32 s6, s6, s7
+; GFX1030-NEXT:    v_add_co_u32 v4, s4, s4, s6
+; GFX1030-NEXT:    s_addc_u32 s6, 0, s8
+; GFX1030-NEXT:    s_cmp_lg_u32 s4, 0
+; GFX1030-NEXT:    s_addc_u32 s4, s5, s6
+; GFX1030-NEXT:    v_mul_hi_u32 v6, v0, v4
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v0, s4, 0
+; GFX1030-NEXT:    v_mad_u64_u32 v[4:5], null, v1, v4, 0
+; GFX1030-NEXT:    v_add_co_u32 v6, vcc_lo, v6, v2
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v7, vcc_lo, 0, v3, vcc_lo
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v1, s4, 0
+; GFX1030-NEXT:    v_add_co_u32 v4, vcc_lo, v6, v4
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v4, vcc_lo, v7, v5, vcc_lo
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v3, vcc_lo, 0, v3, vcc_lo
+; GFX1030-NEXT:    v_add_co_u32 v5, vcc_lo, v4, v2
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v6, vcc_lo, 0, v3, vcc_lo
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v5, 6, 0
+; GFX1030-NEXT:    v_mad_u64_u32 v[3:4], null, v6, 6, v[3:4]
+; GFX1030-NEXT:    v_sub_co_u32 v0, vcc_lo, v0, v2
+; GFX1030-NEXT:    v_sub_co_ci_u32_e32 v1, vcc_lo, v1, v3, vcc_lo
+; GFX1030-NEXT:    v_sub_co_u32 v2, vcc_lo, v0, 6
+; GFX1030-NEXT:    v_subrev_co_ci_u32_e32 v3, vcc_lo, 0, v1, vcc_lo
+; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 5, v2
+; GFX1030-NEXT:    v_cmp_eq_u32_e64 s4, 0, v1
+; GFX1030-NEXT:    v_cndmask_b32_e64 v2, 0, -1, vcc_lo
+; GFX1030-NEXT:    v_add_co_u32 v4, vcc_lo, v5, 2
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v7, vcc_lo, 0, v6, vcc_lo
+; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 5, v0
+; GFX1030-NEXT:    v_cndmask_b32_e64 v0, 0, -1, vcc_lo
+; GFX1030-NEXT:    v_cmp_eq_u32_e32 vcc_lo, 0, v3
+; GFX1030-NEXT:    v_cndmask_b32_e64 v0, -1, v0, s4
+; GFX1030-NEXT:    v_cndmask_b32_e32 v2, -1, v2, vcc_lo
+; GFX1030-NEXT:    v_add_co_u32 v3, vcc_lo, v5, 1
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v8, vcc_lo, 0, v6, vcc_lo
+; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v2
+; GFX1030-NEXT:    v_cndmask_b32_e32 v1, v3, v4, vcc_lo
+; GFX1030-NEXT:    v_cndmask_b32_e32 v2, v8, v7, vcc_lo
+; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v0
+; GFX1030-NEXT:    v_cndmask_b32_e32 v0, v5, v1, vcc_lo
+; GFX1030-NEXT:    v_cndmask_b32_e32 v1, v6, v2, vcc_lo
+; GFX1030-NEXT:    s_setpc_b64 s[30:31]
+entry:
+  %div = udiv i64 %i, 6
+  ret i64 %div
+}

>From 530dc051e3bc06ae7a5a79ffeeccb39a82ddfa20 Mon Sep 17 00:00:00 2001
From: pvanhout <pierre.vanhoutryve at amd.com>
Date: Fri, 26 Jul 2024 11:32:05 +0200
Subject: [PATCH 2/4] [AMDGPU] Always lower s/udiv64 by constant to MUL

Solves #100383
---
 llvm/include/llvm/CodeGen/TargetLowering.h    |    8 +
 .../CodeGen/SelectionDAG/TargetLowering.cpp   |    6 +-
 llvm/lib/Target/AMDGPU/SIISelLowering.h       |    5 +
 .../AMDGPU/amdgpu-codegenprepare-idiv.ll      | 1374 +++--------
 .../CodeGen/AMDGPU/div-rem-by-constant-64.ll  | 2008 ++++-------------
 llvm/test/CodeGen/AMDGPU/fshr.ll              |   53 +-
 llvm/test/CodeGen/AMDGPU/udiv.ll              |  328 +--
 llvm/test/CodeGen/AMDGPU/udiv64.ll            |  182 +-
 llvm/test/CodeGen/AMDGPU/urem64.ll            |  102 +-
 9 files changed, 940 insertions(+), 3126 deletions(-)

diff --git a/llvm/include/llvm/CodeGen/TargetLowering.h b/llvm/include/llvm/CodeGen/TargetLowering.h
index 9d9886f4920a2..fd45fd9566c95 100644
--- a/llvm/include/llvm/CodeGen/TargetLowering.h
+++ b/llvm/include/llvm/CodeGen/TargetLowering.h
@@ -5109,6 +5109,14 @@ class TargetLowering : public TargetLoweringBase {
     return 0;
   }
 
+  /// Indicate whether this target prefers to force the lowering of a div by
+  /// constant to a MUL of a magic value, even if the MUL operation is not legal
+  /// or custom.
+  virtual bool forceDivByConstantToMul(EVT DivVT, EVT MuLVT,
+                                       bool IsAfterLegalization) const {
+    return false;
+  }
+
   /// Hooks for building estimates in place of slower divisions and square
   /// roots.
 
diff --git a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 140c97ccd90ba..315cf2156bd8c 100644
--- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -6405,7 +6405,8 @@ SDValue TargetLowering::BuildSDIV(SDNode *N, SelectionDAG &DAG,
     if (VT.isVector())
       WideVT = EVT::getVectorVT(*DAG.getContext(), WideVT,
                                 VT.getVectorElementCount());
-    if (isOperationLegalOrCustom(ISD::MUL, WideVT)) {
+    if (isOperationLegalOrCustom(ISD::MUL, WideVT) ||
+        forceDivByConstantToMul(VT, WideVT, IsAfterLegalization)) {
       X = DAG.getNode(ISD::SIGN_EXTEND, dl, WideVT, X);
       Y = DAG.getNode(ISD::SIGN_EXTEND, dl, WideVT, Y);
       Y = DAG.getNode(ISD::MUL, dl, WideVT, X, Y);
@@ -6588,7 +6589,8 @@ SDValue TargetLowering::BuildUDIV(SDNode *N, SelectionDAG &DAG,
     if (VT.isVector())
       WideVT = EVT::getVectorVT(*DAG.getContext(), WideVT,
                                 VT.getVectorElementCount());
-    if (isOperationLegalOrCustom(ISD::MUL, WideVT)) {
+    if (isOperationLegalOrCustom(ISD::MUL, WideVT) ||
+        forceDivByConstantToMul(VT, WideVT, IsAfterLegalization)) {
       X = DAG.getNode(ISD::ZERO_EXTEND, dl, WideVT, X);
       Y = DAG.getNode(ISD::ZERO_EXTEND, dl, WideVT, Y);
       Y = DAG.getNode(ISD::MUL, dl, WideVT, X, Y);
diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.h b/llvm/lib/Target/AMDGPU/SIISelLowering.h
index 1f198a92c0fa6..e4cdd38c69aa1 100644
--- a/llvm/lib/Target/AMDGPU/SIISelLowering.h
+++ b/llvm/lib/Target/AMDGPU/SIISelLowering.h
@@ -372,6 +372,11 @@ class SITargetLowering final : public AMDGPUTargetLowering {
     return 2;
   }
 
+  bool forceDivByConstantToMul(EVT DivVT, EVT MuLVT,
+                               bool IsAfterLegalization) const override {
+    return !IsAfterLegalization;
+  }
+
   bool supportSplitCSR(MachineFunction *MF) const override;
   void initializeSplitCSR(MachineBasicBlock *Entry) const override;
   void insertCopiesSplitCSR(
diff --git a/llvm/test/CodeGen/AMDGPU/amdgpu-codegenprepare-idiv.ll b/llvm/test/CodeGen/AMDGPU/amdgpu-codegenprepare-idiv.ll
index 96e92bb3dce0d..e4756ad3817c2 100644
--- a/llvm/test/CodeGen/AMDGPU/amdgpu-codegenprepare-idiv.ll
+++ b/llvm/test/CodeGen/AMDGPU/amdgpu-codegenprepare-idiv.ll
@@ -7066,202 +7066,57 @@ define amdgpu_kernel void @udiv_i64_oddk_denom(ptr addrspace(1) %out, i64 %x) {
 ;
 ; GFX6-LABEL: udiv_i64_oddk_denom:
 ; GFX6:       ; %bb.0:
-; GFX6-NEXT:    s_add_u32 s4, 3, 0
-; GFX6-NEXT:    v_mov_b32_e32 v0, 0xe3e0f6
-; GFX6-NEXT:    v_add_i32_e32 v0, vcc, s4, v0
-; GFX6-NEXT:    s_addc_u32 s5, 0, 0
-; GFX6-NEXT:    s_or_b32 s4, vcc_lo, vcc_hi
-; GFX6-NEXT:    s_cmp_lg_u32 s4, 0
-; GFX6-NEXT:    s_mov_b32 s4, 0x68958c89
-; GFX6-NEXT:    s_movk_i32 s6, 0xfee0
-; GFX6-NEXT:    v_mul_lo_u32 v1, v0, s6
-; GFX6-NEXT:    v_mul_hi_u32 v2, v0, s4
-; GFX6-NEXT:    s_addc_u32 s5, s5, 0
-; GFX6-NEXT:    s_mul_i32 s6, s5, 0x68958c89
 ; GFX6-NEXT:    s_load_dwordx4 s[0:3], s[2:3], 0x9
-; GFX6-NEXT:    v_add_i32_e32 v1, vcc, v1, v2
-; GFX6-NEXT:    v_mul_lo_u32 v2, v0, s4
-; GFX6-NEXT:    v_add_i32_e32 v1, vcc, s6, v1
-; GFX6-NEXT:    v_mul_lo_u32 v3, v0, v1
-; GFX6-NEXT:    v_mul_hi_u32 v4, v0, v2
-; GFX6-NEXT:    v_mul_hi_u32 v5, v0, v1
-; GFX6-NEXT:    v_mul_hi_u32 v6, s5, v1
-; GFX6-NEXT:    v_mul_lo_u32 v1, s5, v1
-; GFX6-NEXT:    v_add_i32_e32 v3, vcc, v4, v3
-; GFX6-NEXT:    v_addc_u32_e32 v4, vcc, 0, v5, vcc
-; GFX6-NEXT:    v_mul_lo_u32 v5, s5, v2
-; GFX6-NEXT:    v_mul_hi_u32 v2, s5, v2
-; GFX6-NEXT:    s_movk_i32 s8, 0x11f
-; GFX6-NEXT:    s_mov_b32 s9, 0x976a7377
-; GFX6-NEXT:    v_add_i32_e32 v3, vcc, v3, v5
-; GFX6-NEXT:    v_addc_u32_e32 v2, vcc, v4, v2, vcc
-; GFX6-NEXT:    v_addc_u32_e32 v3, vcc, 0, v6, vcc
-; GFX6-NEXT:    v_add_i32_e32 v1, vcc, v2, v1
-; GFX6-NEXT:    v_addc_u32_e32 v2, vcc, 0, v3, vcc
-; GFX6-NEXT:    v_mov_b32_e32 v3, s5
-; GFX6-NEXT:    v_add_i32_e32 v0, vcc, v0, v1
-; GFX6-NEXT:    v_addc_u32_e32 v1, vcc, v3, v2, vcc
+; GFX6-NEXT:    v_mov_b32_e32 v1, 0x64c139ef
+; GFX6-NEXT:    v_mov_b32_e32 v0, 0x38f83e5
+; GFX6-NEXT:    s_mov_b32 s7, 0xf000
+; GFX6-NEXT:    s_mov_b32 s6, -1
 ; GFX6-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX6-NEXT:    v_mul_lo_u32 v2, s2, v1
-; GFX6-NEXT:    v_mul_hi_u32 v3, s2, v0
 ; GFX6-NEXT:    v_mul_hi_u32 v4, s2, v1
-; GFX6-NEXT:    v_mul_hi_u32 v5, s3, v1
-; GFX6-NEXT:    v_mul_lo_u32 v1, s3, v1
+; GFX6-NEXT:    v_mul_hi_u32 v3, s3, v1
+; GFX6-NEXT:    s_mov_b32 s5, s1
+; GFX6-NEXT:    v_mul_hi_u32 v2, s2, v0
+; GFX6-NEXT:    s_mul_i32 s1, s3, 0x64c139ef
+; GFX6-NEXT:    v_add_i32_e32 v4, vcc, s1, v4
+; GFX6-NEXT:    s_mov_b32 s4, s0
+; GFX6-NEXT:    s_mul_i32 s0, s2, 0x38f83e5
+; GFX6-NEXT:    v_addc_u32_e32 v3, vcc, 0, v3, vcc
+; GFX6-NEXT:    v_add_i32_e32 v4, vcc, s0, v4
+; GFX6-NEXT:    v_addc_u32_e32 v2, vcc, 0, v2, vcc
 ; GFX6-NEXT:    v_add_i32_e32 v2, vcc, v3, v2
-; GFX6-NEXT:    v_addc_u32_e32 v3, vcc, 0, v4, vcc
-; GFX6-NEXT:    v_mul_lo_u32 v4, s3, v0
 ; GFX6-NEXT:    v_mul_hi_u32 v0, s3, v0
-; GFX6-NEXT:    s_mov_b32 s4, s0
-; GFX6-NEXT:    s_mov_b32 s5, s1
-; GFX6-NEXT:    v_add_i32_e32 v2, vcc, v2, v4
-; GFX6-NEXT:    v_addc_u32_e32 v0, vcc, v3, v0, vcc
-; GFX6-NEXT:    v_addc_u32_e32 v2, vcc, 0, v5, vcc
-; GFX6-NEXT:    v_add_i32_e32 v0, vcc, v0, v1
-; GFX6-NEXT:    v_addc_u32_e32 v1, vcc, 0, v2, vcc
-; GFX6-NEXT:    v_mul_lo_u32 v2, v0, s8
-; GFX6-NEXT:    v_mul_hi_u32 v3, v0, s9
-; GFX6-NEXT:    v_mul_lo_u32 v4, v1, s9
-; GFX6-NEXT:    v_mov_b32_e32 v5, 0x11f
-; GFX6-NEXT:    s_mov_b32 s7, 0xf000
-; GFX6-NEXT:    v_add_i32_e32 v2, vcc, v2, v3
-; GFX6-NEXT:    v_mul_lo_u32 v3, v0, s9
-; GFX6-NEXT:    v_add_i32_e32 v2, vcc, v4, v2
-; GFX6-NEXT:    v_sub_i32_e32 v4, vcc, s3, v2
-; GFX6-NEXT:    v_sub_i32_e32 v3, vcc, s2, v3
-; GFX6-NEXT:    v_subb_u32_e64 v4, s[0:1], v4, v5, vcc
-; GFX6-NEXT:    v_subrev_i32_e64 v5, s[0:1], s9, v3
-; GFX6-NEXT:    v_subbrev_u32_e64 v4, s[0:1], 0, v4, s[0:1]
-; GFX6-NEXT:    s_movk_i32 s2, 0x11e
-; GFX6-NEXT:    v_cmp_lt_u32_e64 s[0:1], s2, v4
-; GFX6-NEXT:    s_mov_b32 s9, 0x976a7376
-; GFX6-NEXT:    v_cndmask_b32_e64 v6, 0, -1, s[0:1]
-; GFX6-NEXT:    v_cmp_lt_u32_e64 s[0:1], s9, v5
-; GFX6-NEXT:    v_cndmask_b32_e64 v5, 0, -1, s[0:1]
-; GFX6-NEXT:    v_cmp_eq_u32_e64 s[0:1], s8, v4
-; GFX6-NEXT:    v_cndmask_b32_e64 v4, v6, v5, s[0:1]
-; GFX6-NEXT:    v_add_i32_e64 v5, s[0:1], 1, v0
-; GFX6-NEXT:    v_addc_u32_e64 v6, s[0:1], 0, v1, s[0:1]
-; GFX6-NEXT:    v_add_i32_e64 v7, s[0:1], 2, v0
-; GFX6-NEXT:    v_addc_u32_e64 v8, s[0:1], 0, v1, s[0:1]
-; GFX6-NEXT:    v_cmp_ne_u32_e64 s[0:1], 0, v4
-; GFX6-NEXT:    v_cndmask_b32_e64 v4, v5, v7, s[0:1]
-; GFX6-NEXT:    v_cndmask_b32_e64 v5, v6, v8, s[0:1]
-; GFX6-NEXT:    v_mov_b32_e32 v6, s3
-; GFX6-NEXT:    v_subb_u32_e32 v2, vcc, v6, v2, vcc
-; GFX6-NEXT:    v_cmp_lt_u32_e32 vcc, s2, v2
-; GFX6-NEXT:    v_cndmask_b32_e64 v6, 0, -1, vcc
-; GFX6-NEXT:    v_cmp_lt_u32_e32 vcc, s9, v3
-; GFX6-NEXT:    v_cndmask_b32_e64 v3, 0, -1, vcc
-; GFX6-NEXT:    v_cmp_eq_u32_e32 vcc, s8, v2
-; GFX6-NEXT:    v_cndmask_b32_e32 v2, v6, v3, vcc
-; GFX6-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v2
-; GFX6-NEXT:    s_mov_b32 s6, -1
-; GFX6-NEXT:    v_cndmask_b32_e32 v1, v1, v5, vcc
-; GFX6-NEXT:    v_cndmask_b32_e32 v0, v0, v4, vcc
+; GFX6-NEXT:    v_addc_u32_e64 v3, s[0:1], 0, 0, vcc
+; GFX6-NEXT:    s_mul_i32 s0, s3, 0x38f83e5
+; GFX6-NEXT:    v_add_i32_e32 v2, vcc, s0, v2
+; GFX6-NEXT:    v_addc_u32_e32 v0, vcc, v0, v3, vcc
+; GFX6-NEXT:    v_mov_b32_e32 v1, 0
+; GFX6-NEXT:    v_lshrrev_b32_e32 v0, 2, v0
 ; GFX6-NEXT:    buffer_store_dwordx2 v[0:1], off, s[4:7], 0
 ; GFX6-NEXT:    s_endpgm
 ;
 ; GFX9-LABEL: udiv_i64_oddk_denom:
 ; GFX9:       ; %bb.0:
-; GFX9-NEXT:    s_add_u32 s0, 3, 0
-; GFX9-NEXT:    v_mov_b32_e32 v0, 0xe3e0f6
-; GFX9-NEXT:    s_addc_u32 s1, 0, 0
-; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, s0, v0
 ; GFX9-NEXT:    s_load_dwordx4 s[4:7], s[2:3], 0x24
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    v_readfirstlane_b32 s2, v0
-; GFX9-NEXT:    s_addc_u32 s0, s1, 0
-; GFX9-NEXT:    s_mul_i32 s3, s2, 0xfffffee0
-; GFX9-NEXT:    s_mul_hi_u32 s8, s2, 0x68958c89
-; GFX9-NEXT:    s_mul_i32 s1, s0, 0x68958c89
-; GFX9-NEXT:    s_add_i32 s3, s8, s3
-; GFX9-NEXT:    s_add_i32 s3, s3, s1
-; GFX9-NEXT:    s_mul_i32 s9, s2, 0x68958c89
-; GFX9-NEXT:    s_mul_hi_u32 s1, s2, s3
-; GFX9-NEXT:    s_mul_i32 s8, s2, s3
-; GFX9-NEXT:    s_mul_hi_u32 s2, s2, s9
-; GFX9-NEXT:    s_add_u32 s2, s2, s8
-; GFX9-NEXT:    s_addc_u32 s1, 0, s1
-; GFX9-NEXT:    s_mul_hi_u32 s10, s0, s9
-; GFX9-NEXT:    s_mul_i32 s9, s0, s9
-; GFX9-NEXT:    s_add_u32 s2, s2, s9
-; GFX9-NEXT:    s_mul_hi_u32 s8, s0, s3
-; GFX9-NEXT:    s_addc_u32 s1, s1, s10
-; GFX9-NEXT:    s_addc_u32 s2, s8, 0
-; GFX9-NEXT:    s_mul_i32 s3, s0, s3
-; GFX9-NEXT:    s_add_u32 s1, s1, s3
-; GFX9-NEXT:    s_addc_u32 s2, 0, s2
-; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, s1, v0
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    s_addc_u32 s0, s0, s2
-; GFX9-NEXT:    v_readfirstlane_b32 s3, v0
+; GFX9-NEXT:    v_mov_b32_e32 v1, 0
 ; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX9-NEXT:    s_mul_i32 s2, s6, s0
-; GFX9-NEXT:    s_mul_hi_u32 s8, s6, s3
-; GFX9-NEXT:    s_mul_hi_u32 s1, s6, s0
-; GFX9-NEXT:    s_add_u32 s2, s8, s2
-; GFX9-NEXT:    s_addc_u32 s1, 0, s1
-; GFX9-NEXT:    s_mul_hi_u32 s9, s7, s3
-; GFX9-NEXT:    s_mul_i32 s3, s7, s3
-; GFX9-NEXT:    s_add_u32 s2, s2, s3
-; GFX9-NEXT:    s_mul_hi_u32 s8, s7, s0
-; GFX9-NEXT:    s_addc_u32 s1, s1, s9
-; GFX9-NEXT:    s_addc_u32 s2, s8, 0
-; GFX9-NEXT:    s_mul_i32 s0, s7, s0
-; GFX9-NEXT:    s_add_u32 s3, s1, s0
-; GFX9-NEXT:    s_addc_u32 s2, 0, s2
-; GFX9-NEXT:    s_mul_i32 s0, s3, 0x11f
-; GFX9-NEXT:    s_mul_hi_u32 s8, s3, 0x976a7377
-; GFX9-NEXT:    s_add_i32 s0, s8, s0
-; GFX9-NEXT:    s_mul_i32 s8, s2, 0x976a7377
-; GFX9-NEXT:    s_mul_i32 s9, s3, 0x976a7377
-; GFX9-NEXT:    s_add_i32 s8, s0, s8
-; GFX9-NEXT:    v_mov_b32_e32 v0, s9
-; GFX9-NEXT:    s_sub_i32 s0, s7, s8
-; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, s6, v0
-; GFX9-NEXT:    s_mov_b32 s1, 0x976a7377
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    s_subb_u32 s6, s0, 0x11f
-; GFX9-NEXT:    v_subrev_co_u32_e64 v1, s[0:1], s1, v0
-; GFX9-NEXT:    s_cmp_lg_u64 s[0:1], 0
-; GFX9-NEXT:    s_subb_u32 s6, s6, 0
-; GFX9-NEXT:    s_cmpk_gt_u32 s6, 0x11e
-; GFX9-NEXT:    s_mov_b32 s10, 0x976a7376
-; GFX9-NEXT:    s_cselect_b32 s9, -1, 0
-; GFX9-NEXT:    v_cmp_lt_u32_e64 s[0:1], s10, v1
-; GFX9-NEXT:    s_cmpk_eq_i32 s6, 0x11f
-; GFX9-NEXT:    v_cndmask_b32_e64 v1, 0, -1, s[0:1]
-; GFX9-NEXT:    v_mov_b32_e32 v3, s9
-; GFX9-NEXT:    s_cselect_b64 s[0:1], -1, 0
-; GFX9-NEXT:    v_cndmask_b32_e64 v1, v3, v1, s[0:1]
-; GFX9-NEXT:    s_add_u32 s0, s3, 1
-; GFX9-NEXT:    s_addc_u32 s6, s2, 0
-; GFX9-NEXT:    s_add_u32 s1, s3, 2
-; GFX9-NEXT:    s_addc_u32 s9, s2, 0
-; GFX9-NEXT:    v_mov_b32_e32 v3, s0
-; GFX9-NEXT:    v_mov_b32_e32 v4, s1
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[0:1], 0, v1
-; GFX9-NEXT:    v_cndmask_b32_e64 v3, v3, v4, s[0:1]
-; GFX9-NEXT:    v_mov_b32_e32 v1, s6
-; GFX9-NEXT:    v_mov_b32_e32 v4, s9
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    v_cndmask_b32_e64 v1, v1, v4, s[0:1]
-; GFX9-NEXT:    s_subb_u32 s0, s7, s8
-; GFX9-NEXT:    s_cmpk_gt_u32 s0, 0x11e
-; GFX9-NEXT:    s_cselect_b32 s1, -1, 0
-; GFX9-NEXT:    v_cmp_lt_u32_e32 vcc, s10, v0
-; GFX9-NEXT:    s_cmpk_eq_i32 s0, 0x11f
-; GFX9-NEXT:    v_cndmask_b32_e64 v0, 0, -1, vcc
-; GFX9-NEXT:    v_mov_b32_e32 v4, s1
-; GFX9-NEXT:    s_cselect_b64 vcc, -1, 0
-; GFX9-NEXT:    v_cndmask_b32_e32 v0, v4, v0, vcc
-; GFX9-NEXT:    v_mov_b32_e32 v4, s2
-; GFX9-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v0
-; GFX9-NEXT:    v_mov_b32_e32 v0, s3
-; GFX9-NEXT:    v_mov_b32_e32 v2, 0
-; GFX9-NEXT:    v_cndmask_b32_e32 v1, v4, v1, vcc
-; GFX9-NEXT:    v_cndmask_b32_e32 v0, v0, v3, vcc
-; GFX9-NEXT:    global_store_dwordx2 v2, v[0:1], s[4:5]
+; GFX9-NEXT:    s_mul_hi_u32 s0, s6, 0x38f83e5
+; GFX9-NEXT:    s_mul_i32 s1, s6, 0x38f83e5
+; GFX9-NEXT:    s_mul_i32 s3, s7, 0x64c139ef
+; GFX9-NEXT:    s_mul_hi_u32 s6, s6, 0x64c139ef
+; GFX9-NEXT:    s_mul_hi_u32 s2, s7, 0x64c139ef
+; GFX9-NEXT:    s_add_u32 s3, s3, s6
+; GFX9-NEXT:    s_addc_u32 s2, s2, 0
+; GFX9-NEXT:    s_add_u32 s1, s1, s3
+; GFX9-NEXT:    s_addc_u32 s0, s0, 0
+; GFX9-NEXT:    s_add_u32 s0, s2, s0
+; GFX9-NEXT:    s_addc_u32 s1, 0, 0
+; GFX9-NEXT:    s_mul_i32 s3, s7, 0x38f83e5
+; GFX9-NEXT:    s_mul_hi_u32 s2, s7, 0x38f83e5
+; GFX9-NEXT:    s_add_u32 s0, s3, s0
+; GFX9-NEXT:    s_addc_u32 s0, s2, s1
+; GFX9-NEXT:    s_lshr_b32 s0, s0, 2
+; GFX9-NEXT:    v_mov_b32_e32 v0, s0
+; GFX9-NEXT:    global_store_dwordx2 v1, v[0:1], s[4:5]
 ; GFX9-NEXT:    s_endpgm
   %r = udiv i64 %x, 1235195949943
   store i64 %r, ptr addrspace(1) %out
@@ -7405,84 +7260,34 @@ define amdgpu_kernel void @udiv_v2i64_mixed_pow2k_denom(ptr addrspace(1) %out, <
 ; GFX6:       ; %bb.0:
 ; GFX6-NEXT:    s_load_dwordx4 s[4:7], s[2:3], 0xd
 ; GFX6-NEXT:    s_load_dwordx2 s[0:1], s[2:3], 0x9
-; GFX6-NEXT:    s_mov_b32 s2, 0x2ff2fc01
-; GFX6-NEXT:    v_bfrev_b32_e32 v0, 7
-; GFX6-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX6-NEXT:    s_lshr_b64 s[4:5], s[4:5], 12
-; GFX6-NEXT:    s_add_u32 s2, 0xe037f, s2
-; GFX6-NEXT:    v_add_i32_e32 v0, vcc, s2, v0
-; GFX6-NEXT:    s_addc_u32 s3, 0, 0
-; GFX6-NEXT:    s_or_b32 s2, vcc_lo, vcc_hi
-; GFX6-NEXT:    s_cmp_lg_u32 s2, 0
-; GFX6-NEXT:    s_movk_i32 s2, 0xf001
-; GFX6-NEXT:    v_mul_hi_u32 v1, v0, s2
-; GFX6-NEXT:    v_mul_lo_u32 v2, v0, s2
-; GFX6-NEXT:    s_addc_u32 s8, s3, 0x1000ff
-; GFX6-NEXT:    s_mul_i32 s3, s8, 0xfffff001
-; GFX6-NEXT:    v_sub_i32_e32 v1, vcc, v1, v0
-; GFX6-NEXT:    v_add_i32_e32 v1, vcc, s3, v1
-; GFX6-NEXT:    v_mul_lo_u32 v3, v0, v1
-; GFX6-NEXT:    v_mul_hi_u32 v4, v0, v2
-; GFX6-NEXT:    v_mul_hi_u32 v5, v0, v1
-; GFX6-NEXT:    v_mul_hi_u32 v6, s8, v1
-; GFX6-NEXT:    v_mul_lo_u32 v1, s8, v1
-; GFX6-NEXT:    v_add_i32_e32 v3, vcc, v4, v3
-; GFX6-NEXT:    v_addc_u32_e32 v4, vcc, 0, v5, vcc
-; GFX6-NEXT:    v_mul_lo_u32 v5, s8, v2
-; GFX6-NEXT:    v_mul_hi_u32 v2, s8, v2
+; GFX6-NEXT:    v_mov_b32_e32 v2, 0x10010011
+; GFX6-NEXT:    v_mov_b32_e32 v0, 0x100100
 ; GFX6-NEXT:    s_mov_b32 s3, 0xf000
-; GFX6-NEXT:    s_mov_b32 s2, -1
-; GFX6-NEXT:    v_add_i32_e32 v3, vcc, v3, v5
-; GFX6-NEXT:    v_addc_u32_e32 v2, vcc, v4, v2, vcc
-; GFX6-NEXT:    v_addc_u32_e32 v3, vcc, 0, v6, vcc
+; GFX6-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX6-NEXT:    v_mul_hi_u32 v3, s6, v2
+; GFX6-NEXT:    v_mul_hi_u32 v2, s7, v2
+; GFX6-NEXT:    v_mul_hi_u32 v1, s6, v0
+; GFX6-NEXT:    s_mul_i32 s9, s7, 0x10010011
+; GFX6-NEXT:    v_add_i32_e32 v3, vcc, s9, v3
+; GFX6-NEXT:    s_mul_i32 s8, s6, 0x100100
+; GFX6-NEXT:    v_addc_u32_e32 v2, vcc, 0, v2, vcc
+; GFX6-NEXT:    v_add_i32_e32 v3, vcc, s8, v3
+; GFX6-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
 ; GFX6-NEXT:    v_add_i32_e32 v1, vcc, v2, v1
-; GFX6-NEXT:    v_addc_u32_e32 v2, vcc, 0, v3, vcc
-; GFX6-NEXT:    v_mov_b32_e32 v3, s8
-; GFX6-NEXT:    v_add_i32_e32 v0, vcc, v0, v1
-; GFX6-NEXT:    v_addc_u32_e32 v1, vcc, v3, v2, vcc
-; GFX6-NEXT:    v_mul_lo_u32 v2, s6, v1
-; GFX6-NEXT:    v_mul_hi_u32 v3, s6, v0
-; GFX6-NEXT:    v_mul_hi_u32 v4, s6, v1
-; GFX6-NEXT:    v_mul_hi_u32 v5, s7, v1
-; GFX6-NEXT:    v_mul_lo_u32 v1, s7, v1
-; GFX6-NEXT:    v_add_i32_e32 v2, vcc, v3, v2
-; GFX6-NEXT:    v_addc_u32_e32 v3, vcc, 0, v4, vcc
-; GFX6-NEXT:    v_mul_lo_u32 v4, s7, v0
 ; GFX6-NEXT:    v_mul_hi_u32 v0, s7, v0
-; GFX6-NEXT:    s_movk_i32 s8, 0xfff
-; GFX6-NEXT:    v_add_i32_e32 v2, vcc, v2, v4
-; GFX6-NEXT:    v_addc_u32_e32 v0, vcc, v3, v0, vcc
-; GFX6-NEXT:    v_addc_u32_e32 v2, vcc, 0, v5, vcc
-; GFX6-NEXT:    v_add_i32_e32 v0, vcc, v0, v1
-; GFX6-NEXT:    v_addc_u32_e32 v1, vcc, 0, v2, vcc
-; GFX6-NEXT:    v_mul_lo_u32 v4, v1, s8
-; GFX6-NEXT:    v_mul_hi_u32 v5, v0, s8
-; GFX6-NEXT:    v_add_i32_e32 v2, vcc, 1, v0
-; GFX6-NEXT:    v_mul_lo_u32 v8, v0, s8
-; GFX6-NEXT:    v_addc_u32_e32 v3, vcc, 0, v1, vcc
-; GFX6-NEXT:    v_add_i32_e32 v6, vcc, 2, v0
-; GFX6-NEXT:    v_addc_u32_e32 v7, vcc, 0, v1, vcc
-; GFX6-NEXT:    v_add_i32_e32 v4, vcc, v4, v5
-; GFX6-NEXT:    v_mov_b32_e32 v5, s7
-; GFX6-NEXT:    v_sub_i32_e32 v8, vcc, s6, v8
-; GFX6-NEXT:    v_subb_u32_e32 v4, vcc, v5, v4, vcc
-; GFX6-NEXT:    v_subrev_i32_e32 v5, vcc, s8, v8
-; GFX6-NEXT:    v_subbrev_u32_e32 v9, vcc, 0, v4, vcc
-; GFX6-NEXT:    s_movk_i32 s6, 0xffe
-; GFX6-NEXT:    v_cmp_lt_u32_e32 vcc, s6, v5
-; GFX6-NEXT:    v_cndmask_b32_e64 v5, 0, -1, vcc
-; GFX6-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v9
-; GFX6-NEXT:    v_cndmask_b32_e32 v5, -1, v5, vcc
-; GFX6-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v5
-; GFX6-NEXT:    v_cndmask_b32_e32 v2, v2, v6, vcc
-; GFX6-NEXT:    v_cndmask_b32_e32 v3, v3, v7, vcc
-; GFX6-NEXT:    v_cmp_lt_u32_e32 vcc, s6, v8
-; GFX6-NEXT:    v_cndmask_b32_e64 v5, 0, -1, vcc
-; GFX6-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v4
-; GFX6-NEXT:    v_cndmask_b32_e32 v4, -1, v5, vcc
-; GFX6-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v4
-; GFX6-NEXT:    v_cndmask_b32_e32 v3, v1, v3, vcc
-; GFX6-NEXT:    v_cndmask_b32_e32 v2, v0, v2, vcc
+; GFX6-NEXT:    v_addc_u32_e64 v2, s[8:9], 0, 0, vcc
+; GFX6-NEXT:    s_mul_i32 s8, s7, 0x100100
+; GFX6-NEXT:    v_add_i32_e32 v3, vcc, s8, v1
+; GFX6-NEXT:    v_addc_u32_e32 v2, vcc, v0, v2, vcc
+; GFX6-NEXT:    v_mov_b32_e32 v1, s7
+; GFX6-NEXT:    v_sub_i32_e32 v0, vcc, s6, v3
+; GFX6-NEXT:    v_subb_u32_e32 v1, vcc, v1, v2, vcc
+; GFX6-NEXT:    v_lshr_b64 v[0:1], v[0:1], 1
+; GFX6-NEXT:    s_lshr_b64 s[4:5], s[4:5], 12
+; GFX6-NEXT:    v_add_i32_e32 v0, vcc, v0, v3
+; GFX6-NEXT:    v_addc_u32_e32 v1, vcc, v1, v2, vcc
+; GFX6-NEXT:    v_lshr_b64 v[2:3], v[0:1], 11
+; GFX6-NEXT:    s_mov_b32 s2, -1
 ; GFX6-NEXT:    v_mov_b32_e32 v0, s4
 ; GFX6-NEXT:    v_mov_b32_e32 v1, s5
 ; GFX6-NEXT:    buffer_store_dwordx4 v[0:3], off, s[0:3], 0
@@ -7492,95 +7297,34 @@ define amdgpu_kernel void @udiv_v2i64_mixed_pow2k_denom(ptr addrspace(1) %out, <
 ; GFX9:       ; %bb.0:
 ; GFX9-NEXT:    s_load_dwordx4 s[4:7], s[2:3], 0x34
 ; GFX9-NEXT:    s_load_dwordx2 s[0:1], s[2:3], 0x24
-; GFX9-NEXT:    s_mov_b32 s8, 0x2ff2fc01
-; GFX9-NEXT:    v_bfrev_b32_e32 v0, 7
 ; GFX9-NEXT:    v_mov_b32_e32 v4, 0
 ; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX9-NEXT:    s_lshr_b64 s[2:3], s[4:5], 12
-; GFX9-NEXT:    s_add_u32 s4, 0xe037f, s8
-; GFX9-NEXT:    s_addc_u32 s5, 0, 0
-; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, s4, v0
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    v_readfirstlane_b32 s8, v0
-; GFX9-NEXT:    s_addc_u32 s4, s5, 0x1000ff
-; GFX9-NEXT:    s_mul_hi_u32 s9, s8, 0xfffff001
-; GFX9-NEXT:    s_mul_i32 s5, s4, 0xfffff001
-; GFX9-NEXT:    s_sub_i32 s9, s9, s8
-; GFX9-NEXT:    s_add_i32 s9, s9, s5
-; GFX9-NEXT:    s_mul_i32 s11, s8, 0xfffff001
-; GFX9-NEXT:    s_mul_hi_u32 s5, s8, s9
-; GFX9-NEXT:    s_mul_i32 s10, s8, s9
-; GFX9-NEXT:    s_mul_hi_u32 s8, s8, s11
-; GFX9-NEXT:    s_add_u32 s8, s8, s10
-; GFX9-NEXT:    s_addc_u32 s5, 0, s5
-; GFX9-NEXT:    s_mul_hi_u32 s12, s4, s11
-; GFX9-NEXT:    s_mul_i32 s11, s4, s11
-; GFX9-NEXT:    s_add_u32 s8, s8, s11
-; GFX9-NEXT:    s_mul_hi_u32 s10, s4, s9
-; GFX9-NEXT:    s_addc_u32 s5, s5, s12
-; GFX9-NEXT:    s_addc_u32 s8, s10, 0
-; GFX9-NEXT:    s_mul_i32 s9, s4, s9
+; GFX9-NEXT:    s_mul_i32 s9, s7, 0x10010011
+; GFX9-NEXT:    s_mul_hi_u32 s10, s6, 0x10010011
+; GFX9-NEXT:    s_mul_hi_u32 s8, s7, 0x10010011
+; GFX9-NEXT:    s_add_u32 s9, s9, s10
+; GFX9-NEXT:    s_mul_i32 s5, s6, 0x100100
+; GFX9-NEXT:    s_addc_u32 s8, s8, 0
+; GFX9-NEXT:    s_mul_hi_u32 s4, s6, 0x100100
 ; GFX9-NEXT:    s_add_u32 s5, s5, s9
-; GFX9-NEXT:    s_addc_u32 s8, 0, s8
-; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, s5, v0
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    s_addc_u32 s4, s4, s8
-; GFX9-NEXT:    v_readfirstlane_b32 s9, v0
-; GFX9-NEXT:    s_mul_i32 s8, s6, s4
-; GFX9-NEXT:    s_mul_hi_u32 s10, s6, s9
-; GFX9-NEXT:    s_mul_hi_u32 s5, s6, s4
-; GFX9-NEXT:    s_add_u32 s8, s10, s8
-; GFX9-NEXT:    s_addc_u32 s5, 0, s5
-; GFX9-NEXT:    s_mul_hi_u32 s11, s7, s9
-; GFX9-NEXT:    s_mul_i32 s9, s7, s9
-; GFX9-NEXT:    s_add_u32 s8, s8, s9
-; GFX9-NEXT:    s_mul_hi_u32 s10, s7, s4
-; GFX9-NEXT:    s_addc_u32 s5, s5, s11
-; GFX9-NEXT:    s_addc_u32 s8, s10, 0
-; GFX9-NEXT:    s_mul_i32 s4, s7, s4
-; GFX9-NEXT:    s_add_u32 s4, s5, s4
-; GFX9-NEXT:    s_addc_u32 s5, 0, s8
-; GFX9-NEXT:    s_add_u32 s8, s4, 1
-; GFX9-NEXT:    s_addc_u32 s9, s5, 0
-; GFX9-NEXT:    s_add_u32 s10, s4, 2
-; GFX9-NEXT:    s_mul_i32 s13, s5, 0xfff
-; GFX9-NEXT:    s_mul_hi_u32 s14, s4, 0xfff
-; GFX9-NEXT:    s_addc_u32 s11, s5, 0
-; GFX9-NEXT:    s_add_i32 s14, s14, s13
-; GFX9-NEXT:    s_mul_i32 s13, s4, 0xfff
-; GFX9-NEXT:    v_mov_b32_e32 v0, s13
-; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, s6, v0
-; GFX9-NEXT:    s_movk_i32 s12, 0xfff
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    s_subb_u32 s6, s7, s14
-; GFX9-NEXT:    v_subrev_co_u32_e32 v1, vcc, s12, v0
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    s_subb_u32 s7, s6, 0
-; GFX9-NEXT:    s_movk_i32 s12, 0xffe
-; GFX9-NEXT:    v_cmp_lt_u32_e32 vcc, s12, v1
-; GFX9-NEXT:    s_cmp_eq_u32 s7, 0
-; GFX9-NEXT:    v_cndmask_b32_e64 v1, 0, -1, vcc
-; GFX9-NEXT:    s_cselect_b64 vcc, -1, 0
-; GFX9-NEXT:    v_cndmask_b32_e32 v1, -1, v1, vcc
-; GFX9-NEXT:    v_mov_b32_e32 v2, s8
-; GFX9-NEXT:    v_mov_b32_e32 v3, s10
-; GFX9-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v1
-; GFX9-NEXT:    v_cndmask_b32_e32 v1, v2, v3, vcc
-; GFX9-NEXT:    v_mov_b32_e32 v2, s9
-; GFX9-NEXT:    v_mov_b32_e32 v3, s11
-; GFX9-NEXT:    v_cndmask_b32_e32 v2, v2, v3, vcc
-; GFX9-NEXT:    v_cmp_lt_u32_e32 vcc, s12, v0
-; GFX9-NEXT:    s_cmp_eq_u32 s6, 0
-; GFX9-NEXT:    v_cndmask_b32_e64 v0, 0, -1, vcc
-; GFX9-NEXT:    s_cselect_b64 vcc, -1, 0
-; GFX9-NEXT:    v_cndmask_b32_e32 v0, -1, v0, vcc
-; GFX9-NEXT:    v_mov_b32_e32 v3, s5
-; GFX9-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v0
-; GFX9-NEXT:    v_mov_b32_e32 v0, s4
-; GFX9-NEXT:    v_cndmask_b32_e32 v3, v3, v2, vcc
-; GFX9-NEXT:    v_cndmask_b32_e32 v2, v0, v1, vcc
+; GFX9-NEXT:    s_addc_u32 s4, s4, 0
+; GFX9-NEXT:    s_add_u32 s4, s8, s4
+; GFX9-NEXT:    s_addc_u32 s5, 0, 0
+; GFX9-NEXT:    s_mul_i32 s9, s7, 0x100100
+; GFX9-NEXT:    s_mul_hi_u32 s8, s7, 0x100100
+; GFX9-NEXT:    s_add_u32 s9, s9, s4
+; GFX9-NEXT:    s_addc_u32 s8, s8, s5
+; GFX9-NEXT:    s_sub_u32 s4, s6, s9
+; GFX9-NEXT:    s_subb_u32 s5, s7, s8
+; GFX9-NEXT:    s_lshr_b64 s[4:5], s[4:5], 1
+; GFX9-NEXT:    s_add_u32 s4, s4, s9
+; GFX9-NEXT:    s_addc_u32 s5, s5, s8
+; GFX9-NEXT:    s_lshr_b64 s[4:5], s[4:5], 11
 ; GFX9-NEXT:    v_mov_b32_e32 v0, s2
 ; GFX9-NEXT:    v_mov_b32_e32 v1, s3
+; GFX9-NEXT:    v_mov_b32_e32 v2, s4
+; GFX9-NEXT:    v_mov_b32_e32 v3, s5
 ; GFX9-NEXT:    global_store_dwordx4 v4, v[0:3], s[0:1]
 ; GFX9-NEXT:    s_endpgm
   %r = udiv <2 x i64> %x, <i64 4096, i64 4095>
@@ -7650,198 +7394,71 @@ define amdgpu_kernel void @urem_i64_oddk_denom(ptr addrspace(1) %out, i64 %x) {
 ;
 ; GFX6-LABEL: urem_i64_oddk_denom:
 ; GFX6:       ; %bb.0:
-; GFX6-NEXT:    s_add_u32 s0, 4, 0
-; GFX6-NEXT:    v_mov_b32_e32 v0, 0xe3e0fc
-; GFX6-NEXT:    v_add_i32_e32 v0, vcc, s0, v0
-; GFX6-NEXT:    s_addc_u32 s1, 0, 0
-; GFX6-NEXT:    s_or_b32 s0, vcc_lo, vcc_hi
-; GFX6-NEXT:    s_load_dwordx4 s[8:11], s[2:3], 0x9
-; GFX6-NEXT:    s_cmp_lg_u32 s0, 0
-; GFX6-NEXT:    s_mov_b32 s0, 0x689e0837
-; GFX6-NEXT:    s_movk_i32 s2, 0xfee0
-; GFX6-NEXT:    v_mul_lo_u32 v1, v0, s2
-; GFX6-NEXT:    v_mul_hi_u32 v2, v0, s0
-; GFX6-NEXT:    s_addc_u32 s1, s1, 0
-; GFX6-NEXT:    s_mul_i32 s2, s1, 0x689e0837
+; GFX6-NEXT:    s_load_dwordx4 s[0:3], s[2:3], 0x9
+; GFX6-NEXT:    v_mov_b32_e32 v2, 0xf6841139
+; GFX6-NEXT:    v_mov_b32_e32 v0, 0xe3e10011
+; GFX6-NEXT:    s_mov_b32 s7, 0xf000
+; GFX6-NEXT:    s_mov_b32 s6, -1
 ; GFX6-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX6-NEXT:    s_mov_b32 s4, s8
-; GFX6-NEXT:    v_add_i32_e32 v1, vcc, v1, v2
-; GFX6-NEXT:    v_mul_lo_u32 v2, v0, s0
-; GFX6-NEXT:    v_add_i32_e32 v1, vcc, s2, v1
-; GFX6-NEXT:    v_mul_lo_u32 v3, v0, v1
-; GFX6-NEXT:    v_mul_hi_u32 v4, v0, v2
-; GFX6-NEXT:    v_mul_hi_u32 v5, v0, v1
-; GFX6-NEXT:    v_mul_hi_u32 v6, s1, v1
-; GFX6-NEXT:    v_mul_lo_u32 v1, s1, v1
-; GFX6-NEXT:    v_add_i32_e32 v3, vcc, v4, v3
-; GFX6-NEXT:    v_addc_u32_e32 v4, vcc, 0, v5, vcc
-; GFX6-NEXT:    v_mul_lo_u32 v5, s1, v2
-; GFX6-NEXT:    v_mul_hi_u32 v2, s1, v2
-; GFX6-NEXT:    s_movk_i32 s8, 0x11f
-; GFX6-NEXT:    s_mov_b32 s12, 0x9761f7c9
-; GFX6-NEXT:    v_add_i32_e32 v3, vcc, v3, v5
-; GFX6-NEXT:    v_addc_u32_e32 v2, vcc, v4, v2, vcc
-; GFX6-NEXT:    v_addc_u32_e32 v3, vcc, 0, v6, vcc
+; GFX6-NEXT:    v_mul_hi_u32 v3, s2, v2
+; GFX6-NEXT:    v_mul_hi_u32 v2, s3, v2
+; GFX6-NEXT:    v_mul_hi_u32 v1, s2, v0
+; GFX6-NEXT:    s_mul_i32 s5, s3, 0xf6841139
+; GFX6-NEXT:    v_add_i32_e32 v3, vcc, s5, v3
+; GFX6-NEXT:    s_mov_b32 s4, s0
+; GFX6-NEXT:    s_mul_i32 s0, s2, 0xe3e10011
+; GFX6-NEXT:    v_addc_u32_e32 v2, vcc, 0, v2, vcc
+; GFX6-NEXT:    v_add_i32_e32 v3, vcc, s0, v3
+; GFX6-NEXT:    v_mul_hi_u32 v0, s3, v0
+; GFX6-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
 ; GFX6-NEXT:    v_add_i32_e32 v1, vcc, v2, v1
-; GFX6-NEXT:    v_addc_u32_e32 v2, vcc, 0, v3, vcc
-; GFX6-NEXT:    v_mov_b32_e32 v3, s1
-; GFX6-NEXT:    v_add_i32_e32 v0, vcc, v0, v1
-; GFX6-NEXT:    v_addc_u32_e32 v1, vcc, v3, v2, vcc
-; GFX6-NEXT:    v_mul_lo_u32 v2, s10, v1
-; GFX6-NEXT:    v_mul_hi_u32 v3, s10, v0
-; GFX6-NEXT:    v_mul_hi_u32 v4, s10, v1
-; GFX6-NEXT:    v_mul_hi_u32 v5, s11, v1
-; GFX6-NEXT:    v_mul_lo_u32 v1, s11, v1
-; GFX6-NEXT:    v_add_i32_e32 v2, vcc, v3, v2
-; GFX6-NEXT:    v_addc_u32_e32 v3, vcc, 0, v4, vcc
-; GFX6-NEXT:    v_mul_lo_u32 v4, s11, v0
-; GFX6-NEXT:    v_mul_hi_u32 v0, s11, v0
-; GFX6-NEXT:    s_mov_b32 s5, s9
-; GFX6-NEXT:    s_movk_i32 s9, 0x11e
-; GFX6-NEXT:    v_add_i32_e32 v2, vcc, v2, v4
-; GFX6-NEXT:    v_addc_u32_e32 v0, vcc, v3, v0, vcc
-; GFX6-NEXT:    v_addc_u32_e32 v2, vcc, 0, v5, vcc
-; GFX6-NEXT:    v_add_i32_e32 v0, vcc, v0, v1
-; GFX6-NEXT:    v_addc_u32_e32 v1, vcc, 0, v2, vcc
-; GFX6-NEXT:    v_mul_lo_u32 v2, v0, s8
-; GFX6-NEXT:    v_mul_hi_u32 v3, v0, s12
-; GFX6-NEXT:    v_mul_lo_u32 v1, v1, s12
-; GFX6-NEXT:    v_mul_lo_u32 v0, v0, s12
-; GFX6-NEXT:    s_mov_b32 s7, 0xf000
-; GFX6-NEXT:    v_add_i32_e32 v2, vcc, v2, v3
+; GFX6-NEXT:    s_mul_i32 s0, s3, 0xe3e10011
+; GFX6-NEXT:    v_addc_u32_e64 v2, s[8:9], 0, 0, vcc
+; GFX6-NEXT:    v_add_i32_e32 v1, vcc, s0, v1
+; GFX6-NEXT:    v_addc_u32_e32 v0, vcc, v0, v2, vcc
+; GFX6-NEXT:    v_lshrrev_b32_e32 v0, 8, v0
+; GFX6-NEXT:    s_movk_i32 s0, 0x11f
+; GFX6-NEXT:    v_mul_lo_u32 v1, v0, s0
+; GFX6-NEXT:    s_mov_b32 s0, 0x9761f7c9
+; GFX6-NEXT:    v_mul_hi_u32 v2, v0, s0
+; GFX6-NEXT:    v_mul_lo_u32 v0, v0, s0
+; GFX6-NEXT:    s_mov_b32 s5, s1
 ; GFX6-NEXT:    v_add_i32_e32 v1, vcc, v1, v2
-; GFX6-NEXT:    v_sub_i32_e32 v2, vcc, s11, v1
-; GFX6-NEXT:    v_mov_b32_e32 v3, 0x11f
-; GFX6-NEXT:    v_sub_i32_e32 v0, vcc, s10, v0
-; GFX6-NEXT:    v_subb_u32_e64 v2, s[0:1], v2, v3, vcc
-; GFX6-NEXT:    v_subrev_i32_e64 v4, s[0:1], s12, v0
-; GFX6-NEXT:    v_subbrev_u32_e64 v5, s[2:3], 0, v2, s[0:1]
-; GFX6-NEXT:    v_cmp_lt_u32_e64 s[2:3], s9, v5
-; GFX6-NEXT:    s_mov_b32 s10, 0x9761f7c8
-; GFX6-NEXT:    v_cndmask_b32_e64 v6, 0, -1, s[2:3]
-; GFX6-NEXT:    v_cmp_lt_u32_e64 s[2:3], s10, v4
-; GFX6-NEXT:    v_subb_u32_e64 v2, s[0:1], v2, v3, s[0:1]
-; GFX6-NEXT:    v_cndmask_b32_e64 v7, 0, -1, s[2:3]
-; GFX6-NEXT:    v_cmp_eq_u32_e64 s[2:3], s8, v5
-; GFX6-NEXT:    v_subrev_i32_e64 v3, s[0:1], s12, v4
-; GFX6-NEXT:    v_cndmask_b32_e64 v6, v6, v7, s[2:3]
-; GFX6-NEXT:    v_subbrev_u32_e64 v2, s[0:1], 0, v2, s[0:1]
-; GFX6-NEXT:    v_cmp_ne_u32_e64 s[0:1], 0, v6
-; GFX6-NEXT:    v_cndmask_b32_e64 v3, v4, v3, s[0:1]
-; GFX6-NEXT:    v_mov_b32_e32 v4, s11
-; GFX6-NEXT:    v_subb_u32_e32 v1, vcc, v4, v1, vcc
-; GFX6-NEXT:    v_cmp_lt_u32_e32 vcc, s9, v1
-; GFX6-NEXT:    v_cndmask_b32_e64 v4, 0, -1, vcc
-; GFX6-NEXT:    v_cmp_lt_u32_e32 vcc, s10, v0
-; GFX6-NEXT:    v_cndmask_b32_e64 v2, v5, v2, s[0:1]
-; GFX6-NEXT:    v_cndmask_b32_e64 v5, 0, -1, vcc
-; GFX6-NEXT:    v_cmp_eq_u32_e32 vcc, s8, v1
-; GFX6-NEXT:    v_cndmask_b32_e32 v4, v4, v5, vcc
-; GFX6-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v4
-; GFX6-NEXT:    s_mov_b32 s6, -1
-; GFX6-NEXT:    v_cndmask_b32_e32 v1, v1, v2, vcc
-; GFX6-NEXT:    v_cndmask_b32_e32 v0, v0, v3, vcc
+; GFX6-NEXT:    v_mov_b32_e32 v2, s3
+; GFX6-NEXT:    v_sub_i32_e32 v0, vcc, s2, v0
+; GFX6-NEXT:    v_subb_u32_e32 v1, vcc, v2, v1, vcc
 ; GFX6-NEXT:    buffer_store_dwordx2 v[0:1], off, s[4:7], 0
 ; GFX6-NEXT:    s_endpgm
 ;
 ; GFX9-LABEL: urem_i64_oddk_denom:
 ; GFX9:       ; %bb.0:
-; GFX9-NEXT:    s_add_u32 s0, 4, 0
-; GFX9-NEXT:    v_mov_b32_e32 v0, 0xe3e0fc
-; GFX9-NEXT:    s_addc_u32 s1, 0, 0
-; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, s0, v0
 ; GFX9-NEXT:    s_load_dwordx4 s[4:7], s[2:3], 0x24
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    v_readfirstlane_b32 s2, v0
-; GFX9-NEXT:    s_addc_u32 s0, s1, 0
-; GFX9-NEXT:    s_mul_i32 s3, s2, 0xfffffee0
-; GFX9-NEXT:    s_mul_hi_u32 s8, s2, 0x689e0837
-; GFX9-NEXT:    s_mul_i32 s1, s0, 0x689e0837
-; GFX9-NEXT:    s_add_i32 s3, s8, s3
-; GFX9-NEXT:    s_add_i32 s3, s3, s1
-; GFX9-NEXT:    s_mul_i32 s9, s2, 0x689e0837
-; GFX9-NEXT:    s_mul_hi_u32 s1, s2, s3
-; GFX9-NEXT:    s_mul_i32 s8, s2, s3
-; GFX9-NEXT:    s_mul_hi_u32 s2, s2, s9
-; GFX9-NEXT:    s_add_u32 s2, s2, s8
-; GFX9-NEXT:    s_addc_u32 s1, 0, s1
-; GFX9-NEXT:    s_mul_hi_u32 s10, s0, s9
-; GFX9-NEXT:    s_mul_i32 s9, s0, s9
-; GFX9-NEXT:    s_add_u32 s2, s2, s9
-; GFX9-NEXT:    s_mul_hi_u32 s8, s0, s3
-; GFX9-NEXT:    s_addc_u32 s1, s1, s10
-; GFX9-NEXT:    s_addc_u32 s2, s8, 0
-; GFX9-NEXT:    s_mul_i32 s3, s0, s3
-; GFX9-NEXT:    s_add_u32 s1, s1, s3
-; GFX9-NEXT:    s_addc_u32 s2, 0, s2
-; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, s1, v0
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    s_addc_u32 s0, s0, s2
-; GFX9-NEXT:    v_readfirstlane_b32 s3, v0
+; GFX9-NEXT:    v_mov_b32_e32 v2, 0
 ; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX9-NEXT:    s_mul_i32 s2, s6, s0
-; GFX9-NEXT:    s_mul_hi_u32 s8, s6, s3
-; GFX9-NEXT:    s_mul_hi_u32 s1, s6, s0
-; GFX9-NEXT:    s_add_u32 s2, s8, s2
-; GFX9-NEXT:    s_addc_u32 s1, 0, s1
-; GFX9-NEXT:    s_mul_hi_u32 s9, s7, s3
-; GFX9-NEXT:    s_mul_i32 s3, s7, s3
-; GFX9-NEXT:    s_add_u32 s2, s2, s3
-; GFX9-NEXT:    s_mul_hi_u32 s8, s7, s0
-; GFX9-NEXT:    s_addc_u32 s1, s1, s9
-; GFX9-NEXT:    s_addc_u32 s2, s8, 0
-; GFX9-NEXT:    s_mul_i32 s0, s7, s0
-; GFX9-NEXT:    s_add_u32 s0, s1, s0
-; GFX9-NEXT:    s_addc_u32 s1, 0, s2
-; GFX9-NEXT:    s_mul_i32 s2, s0, 0x11f
-; GFX9-NEXT:    s_mul_hi_u32 s3, s0, 0x9761f7c9
-; GFX9-NEXT:    s_add_i32 s2, s3, s2
-; GFX9-NEXT:    s_mul_i32 s1, s1, 0x9761f7c9
+; GFX9-NEXT:    s_mul_i32 s3, s7, 0xf6841139
+; GFX9-NEXT:    s_mul_hi_u32 s8, s6, 0xf6841139
+; GFX9-NEXT:    s_mul_hi_u32 s2, s7, 0xf6841139
+; GFX9-NEXT:    s_add_u32 s3, s3, s8
+; GFX9-NEXT:    s_mul_i32 s1, s6, 0xe3e10011
+; GFX9-NEXT:    s_addc_u32 s2, s2, 0
+; GFX9-NEXT:    s_mul_hi_u32 s0, s6, 0xe3e10011
+; GFX9-NEXT:    s_add_u32 s1, s1, s3
+; GFX9-NEXT:    s_addc_u32 s0, s0, 0
+; GFX9-NEXT:    s_add_u32 s0, s2, s0
+; GFX9-NEXT:    s_addc_u32 s1, 0, 0
+; GFX9-NEXT:    s_mul_i32 s3, s7, 0xe3e10011
+; GFX9-NEXT:    s_mul_hi_u32 s2, s7, 0xe3e10011
+; GFX9-NEXT:    s_add_u32 s0, s3, s0
+; GFX9-NEXT:    s_addc_u32 s0, s2, s1
+; GFX9-NEXT:    s_lshr_b32 s0, s0, 8
+; GFX9-NEXT:    s_mul_i32 s1, s0, 0x11f
+; GFX9-NEXT:    s_mul_hi_u32 s2, s0, 0x9761f7c9
+; GFX9-NEXT:    s_add_i32 s2, s2, s1
 ; GFX9-NEXT:    s_mul_i32 s0, s0, 0x9761f7c9
-; GFX9-NEXT:    s_add_i32 s9, s2, s1
+; GFX9-NEXT:    s_sub_u32 s0, s6, s0
+; GFX9-NEXT:    s_subb_u32 s1, s7, s2
 ; GFX9-NEXT:    v_mov_b32_e32 v0, s0
-; GFX9-NEXT:    s_sub_i32 s1, s7, s9
-; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, s6, v0
-; GFX9-NEXT:    s_mov_b32 s8, 0x9761f7c9
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    s_subb_u32 s6, s1, 0x11f
-; GFX9-NEXT:    v_subrev_co_u32_e64 v1, s[0:1], s8, v0
-; GFX9-NEXT:    s_cmp_lg_u64 s[0:1], 0
-; GFX9-NEXT:    s_subb_u32 s10, s6, 0
-; GFX9-NEXT:    s_cmpk_gt_u32 s10, 0x11e
-; GFX9-NEXT:    s_mov_b32 s12, 0x9761f7c8
-; GFX9-NEXT:    s_cselect_b32 s11, -1, 0
-; GFX9-NEXT:    v_cmp_lt_u32_e64 s[2:3], s12, v1
-; GFX9-NEXT:    s_cmpk_eq_i32 s10, 0x11f
-; GFX9-NEXT:    v_cndmask_b32_e64 v3, 0, -1, s[2:3]
-; GFX9-NEXT:    v_mov_b32_e32 v4, s11
-; GFX9-NEXT:    s_cselect_b64 s[2:3], -1, 0
-; GFX9-NEXT:    s_cmp_lg_u64 s[0:1], 0
-; GFX9-NEXT:    v_cndmask_b32_e64 v3, v4, v3, s[2:3]
-; GFX9-NEXT:    s_subb_u32 s2, s6, 0x11f
-; GFX9-NEXT:    v_subrev_co_u32_e64 v4, s[0:1], s8, v1
-; GFX9-NEXT:    s_cmp_lg_u64 s[0:1], 0
-; GFX9-NEXT:    s_subb_u32 s2, s2, 0
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[0:1], 0, v3
-; GFX9-NEXT:    v_cndmask_b32_e64 v3, v1, v4, s[0:1]
-; GFX9-NEXT:    v_mov_b32_e32 v1, s10
-; GFX9-NEXT:    v_mov_b32_e32 v4, s2
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    v_cndmask_b32_e64 v1, v1, v4, s[0:1]
-; GFX9-NEXT:    s_subb_u32 s0, s7, s9
-; GFX9-NEXT:    s_cmpk_gt_u32 s0, 0x11e
-; GFX9-NEXT:    s_cselect_b32 s1, -1, 0
-; GFX9-NEXT:    v_cmp_lt_u32_e32 vcc, s12, v0
-; GFX9-NEXT:    s_cmpk_eq_i32 s0, 0x11f
-; GFX9-NEXT:    v_cndmask_b32_e64 v4, 0, -1, vcc
-; GFX9-NEXT:    v_mov_b32_e32 v5, s1
-; GFX9-NEXT:    s_cselect_b64 vcc, -1, 0
-; GFX9-NEXT:    v_cndmask_b32_e32 v4, v5, v4, vcc
-; GFX9-NEXT:    v_mov_b32_e32 v5, s0
-; GFX9-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v4
-; GFX9-NEXT:    v_mov_b32_e32 v2, 0
-; GFX9-NEXT:    v_cndmask_b32_e32 v1, v5, v1, vcc
-; GFX9-NEXT:    v_cndmask_b32_e32 v0, v0, v3, vcc
+; GFX9-NEXT:    v_mov_b32_e32 v1, s1
 ; GFX9-NEXT:    global_store_dwordx2 v2, v[0:1], s[4:5]
 ; GFX9-NEXT:    s_endpgm
   %r = urem i64 %x, 1235195393993
@@ -8043,191 +7660,78 @@ define amdgpu_kernel void @sdiv_i64_oddk_denom(ptr addrspace(1) %out, i64 %x) {
 ;
 ; GFX6-LABEL: sdiv_i64_oddk_denom:
 ; GFX6:       ; %bb.0:
-; GFX6-NEXT:    s_load_dwordx4 s[4:7], s[2:3], 0x9
-; GFX6-NEXT:    s_mov_b32 s0, 0x33fe64
-; GFX6-NEXT:    s_add_u32 s1, 0x396, s0
-; GFX6-NEXT:    v_mov_b32_e32 v0, 0x28100000
-; GFX6-NEXT:    v_add_i32_e32 v0, vcc, s1, v0
+; GFX6-NEXT:    s_load_dwordx4 s[0:3], s[2:3], 0x9
+; GFX6-NEXT:    v_mov_b32_e32 v2, 0xfd81e19
+; GFX6-NEXT:    v_mov_b32_e32 v0, 0x6ca94220
+; GFX6-NEXT:    s_mov_b32 s7, 0xf000
+; GFX6-NEXT:    s_mov_b32 s6, -1
 ; GFX6-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX6-NEXT:    s_mov_b32 s0, s4
-; GFX6-NEXT:    s_addc_u32 s4, 0, 0
-; GFX6-NEXT:    s_or_b32 s1, vcc_lo, vcc_hi
-; GFX6-NEXT:    s_cmp_lg_u32 s1, 0
-; GFX6-NEXT:    s_mov_b32 s1, 0xffed2705
-; GFX6-NEXT:    v_mul_hi_u32 v1, v0, s1
-; GFX6-NEXT:    s_addc_u32 s4, s4, 0xd95
-; GFX6-NEXT:    v_mul_lo_u32 v2, v0, s1
-; GFX6-NEXT:    s_mul_i32 s8, s4, 0xffed2705
-; GFX6-NEXT:    v_add_i32_e32 v1, vcc, s8, v1
-; GFX6-NEXT:    v_sub_i32_e32 v1, vcc, v1, v0
-; GFX6-NEXT:    v_mul_lo_u32 v5, v0, v1
-; GFX6-NEXT:    v_mul_hi_u32 v6, v0, v2
-; GFX6-NEXT:    v_mul_hi_u32 v7, v0, v1
-; GFX6-NEXT:    v_mul_hi_u32 v4, s4, v2
-; GFX6-NEXT:    v_mul_lo_u32 v2, s4, v2
-; GFX6-NEXT:    v_mul_hi_u32 v3, s4, v1
-; GFX6-NEXT:    v_add_i32_e32 v5, vcc, v6, v5
-; GFX6-NEXT:    v_addc_u32_e32 v6, vcc, 0, v7, vcc
-; GFX6-NEXT:    v_mul_lo_u32 v1, s4, v1
-; GFX6-NEXT:    v_add_i32_e32 v2, vcc, v5, v2
-; GFX6-NEXT:    v_addc_u32_e32 v2, vcc, v6, v4, vcc
-; GFX6-NEXT:    v_addc_u32_e32 v3, vcc, 0, v3, vcc
-; GFX6-NEXT:    v_add_i32_e32 v1, vcc, v2, v1
-; GFX6-NEXT:    s_ashr_i32 s8, s7, 31
-; GFX6-NEXT:    v_addc_u32_e32 v2, vcc, 0, v3, vcc
-; GFX6-NEXT:    s_add_u32 s6, s6, s8
-; GFX6-NEXT:    v_mov_b32_e32 v3, s4
-; GFX6-NEXT:    v_add_i32_e32 v0, vcc, v0, v1
-; GFX6-NEXT:    s_mov_b32 s9, s8
-; GFX6-NEXT:    s_addc_u32 s7, s7, s8
+; GFX6-NEXT:    v_mul_hi_u32 v3, s2, v2
+; GFX6-NEXT:    v_mul_hi_u32 v4, s3, v2
+; GFX6-NEXT:    s_mov_b32 s5, s1
+; GFX6-NEXT:    v_mul_hi_u32 v1, s2, v0
+; GFX6-NEXT:    s_mul_i32 s1, s3, 0xfd81e19
+; GFX6-NEXT:    v_add_i32_e32 v3, vcc, s1, v3
+; GFX6-NEXT:    s_mov_b32 s4, s0
+; GFX6-NEXT:    s_mul_i32 s0, s2, 0x6ca94220
+; GFX6-NEXT:    v_addc_u32_e32 v4, vcc, 0, v4, vcc
+; GFX6-NEXT:    v_add_i32_e32 v3, vcc, s0, v3
+; GFX6-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
+; GFX6-NEXT:    v_add_i32_e32 v1, vcc, v4, v1
+; GFX6-NEXT:    v_addc_u32_e64 v3, s[0:1], 0, 0, vcc
+; GFX6-NEXT:    s_ashr_i32 s1, s3, 31
+; GFX6-NEXT:    v_mul_hi_u32 v0, s3, v0
+; GFX6-NEXT:    v_mul_hi_u32 v2, s1, v2
+; GFX6-NEXT:    s_mul_i32 s0, s3, 0x6ca94220
+; GFX6-NEXT:    v_add_i32_e32 v1, vcc, s0, v1
+; GFX6-NEXT:    s_mul_i32 s0, s1, 0x6ca94220
+; GFX6-NEXT:    v_addc_u32_e32 v3, vcc, v0, v3, vcc
+; GFX6-NEXT:    v_add_i32_e32 v0, vcc, s0, v2
+; GFX6-NEXT:    s_mul_i32 s1, s1, 0xfd81e19
+; GFX6-NEXT:    v_add_i32_e32 v2, vcc, s1, v0
+; GFX6-NEXT:    v_add_i32_e32 v0, vcc, s1, v1
 ; GFX6-NEXT:    v_addc_u32_e32 v1, vcc, v3, v2, vcc
-; GFX6-NEXT:    s_xor_b64 s[6:7], s[6:7], s[8:9]
-; GFX6-NEXT:    v_mul_lo_u32 v2, s6, v1
-; GFX6-NEXT:    v_mul_hi_u32 v3, s6, v0
-; GFX6-NEXT:    v_mul_hi_u32 v4, s6, v1
-; GFX6-NEXT:    v_mul_hi_u32 v5, s7, v1
-; GFX6-NEXT:    v_mul_lo_u32 v1, s7, v1
-; GFX6-NEXT:    v_add_i32_e32 v2, vcc, v3, v2
-; GFX6-NEXT:    v_addc_u32_e32 v3, vcc, 0, v4, vcc
-; GFX6-NEXT:    v_mul_lo_u32 v4, s7, v0
-; GFX6-NEXT:    v_mul_hi_u32 v0, s7, v0
-; GFX6-NEXT:    s_mov_b32 s4, 0x12d8fb
-; GFX6-NEXT:    s_mov_b32 s3, 0xf000
-; GFX6-NEXT:    v_add_i32_e32 v2, vcc, v2, v4
-; GFX6-NEXT:    v_addc_u32_e32 v0, vcc, v3, v0, vcc
-; GFX6-NEXT:    v_addc_u32_e32 v2, vcc, 0, v5, vcc
-; GFX6-NEXT:    v_add_i32_e32 v0, vcc, v0, v1
-; GFX6-NEXT:    v_addc_u32_e32 v1, vcc, 0, v2, vcc
-; GFX6-NEXT:    v_mul_lo_u32 v4, v1, s4
-; GFX6-NEXT:    v_mul_hi_u32 v5, v0, s4
-; GFX6-NEXT:    v_add_i32_e32 v2, vcc, 1, v0
-; GFX6-NEXT:    v_mul_lo_u32 v8, v0, s4
-; GFX6-NEXT:    v_addc_u32_e32 v3, vcc, 0, v1, vcc
-; GFX6-NEXT:    v_add_i32_e32 v6, vcc, 2, v0
-; GFX6-NEXT:    v_addc_u32_e32 v7, vcc, 0, v1, vcc
-; GFX6-NEXT:    v_add_i32_e32 v4, vcc, v4, v5
-; GFX6-NEXT:    v_mov_b32_e32 v5, s7
-; GFX6-NEXT:    v_sub_i32_e32 v8, vcc, s6, v8
-; GFX6-NEXT:    v_subb_u32_e32 v4, vcc, v5, v4, vcc
-; GFX6-NEXT:    v_subrev_i32_e32 v5, vcc, s4, v8
-; GFX6-NEXT:    v_subbrev_u32_e32 v9, vcc, 0, v4, vcc
-; GFX6-NEXT:    s_mov_b32 s4, 0x12d8fa
-; GFX6-NEXT:    v_cmp_lt_u32_e32 vcc, s4, v5
-; GFX6-NEXT:    v_cndmask_b32_e64 v5, 0, -1, vcc
-; GFX6-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v9
-; GFX6-NEXT:    v_cndmask_b32_e32 v5, -1, v5, vcc
-; GFX6-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v5
-; GFX6-NEXT:    v_cndmask_b32_e32 v2, v2, v6, vcc
-; GFX6-NEXT:    v_cndmask_b32_e32 v3, v3, v7, vcc
-; GFX6-NEXT:    v_cmp_lt_u32_e32 vcc, s4, v8
-; GFX6-NEXT:    v_cndmask_b32_e64 v5, 0, -1, vcc
-; GFX6-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v4
-; GFX6-NEXT:    v_cndmask_b32_e32 v4, -1, v5, vcc
-; GFX6-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v4
-; GFX6-NEXT:    v_cndmask_b32_e32 v0, v0, v2, vcc
-; GFX6-NEXT:    v_cndmask_b32_e32 v1, v1, v3, vcc
-; GFX6-NEXT:    v_xor_b32_e32 v0, s8, v0
-; GFX6-NEXT:    v_xor_b32_e32 v1, s8, v1
-; GFX6-NEXT:    v_mov_b32_e32 v2, s8
-; GFX6-NEXT:    v_subrev_i32_e32 v0, vcc, s8, v0
-; GFX6-NEXT:    s_mov_b32 s2, -1
-; GFX6-NEXT:    s_mov_b32 s1, s5
-; GFX6-NEXT:    v_subb_u32_e32 v1, vcc, v1, v2, vcc
-; GFX6-NEXT:    buffer_store_dwordx2 v[0:1], off, s[0:3], 0
+; GFX6-NEXT:    v_ashr_i64 v[2:3], v[0:1], 19
+; GFX6-NEXT:    v_lshrrev_b32_e32 v0, 31, v1
+; GFX6-NEXT:    v_add_i32_e32 v0, vcc, v2, v0
+; GFX6-NEXT:    v_addc_u32_e32 v1, vcc, 0, v3, vcc
+; GFX6-NEXT:    buffer_store_dwordx2 v[0:1], off, s[4:7], 0
 ; GFX6-NEXT:    s_endpgm
 ;
 ; GFX9-LABEL: sdiv_i64_oddk_denom:
 ; GFX9:       ; %bb.0:
-; GFX9-NEXT:    s_mov_b32 s0, 0x33fe64
-; GFX9-NEXT:    s_add_u32 s0, 0x396, s0
-; GFX9-NEXT:    v_mov_b32_e32 v0, 0x28100000
-; GFX9-NEXT:    s_addc_u32 s1, 0, 0
-; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, s0, v0
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
 ; GFX9-NEXT:    s_load_dwordx4 s[4:7], s[2:3], 0x24
-; GFX9-NEXT:    s_addc_u32 s0, s1, 0xd95
-; GFX9-NEXT:    v_readfirstlane_b32 s2, v0
-; GFX9-NEXT:    s_mul_i32 s1, s0, 0xffed2705
-; GFX9-NEXT:    s_mul_hi_u32 s3, s2, 0xffed2705
-; GFX9-NEXT:    s_add_i32 s3, s3, s1
-; GFX9-NEXT:    s_sub_i32 s1, s3, s2
-; GFX9-NEXT:    s_mul_i32 s8, s2, 0xffed2705
-; GFX9-NEXT:    s_mul_hi_u32 s11, s2, s1
-; GFX9-NEXT:    s_mul_i32 s12, s2, s1
-; GFX9-NEXT:    s_mul_hi_u32 s2, s2, s8
-; GFX9-NEXT:    s_add_u32 s2, s2, s12
-; GFX9-NEXT:    s_mul_hi_u32 s9, s0, s8
-; GFX9-NEXT:    s_mul_i32 s10, s0, s8
-; GFX9-NEXT:    s_addc_u32 s8, 0, s11
-; GFX9-NEXT:    s_add_u32 s2, s2, s10
-; GFX9-NEXT:    s_mul_hi_u32 s3, s0, s1
-; GFX9-NEXT:    s_addc_u32 s2, s8, s9
-; GFX9-NEXT:    s_addc_u32 s3, s3, 0
-; GFX9-NEXT:    s_mul_i32 s1, s0, s1
-; GFX9-NEXT:    s_add_u32 s1, s2, s1
-; GFX9-NEXT:    s_addc_u32 s2, 0, s3
-; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, s1, v0
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    s_addc_u32 s8, s0, s2
-; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX9-NEXT:    s_ashr_i32 s0, s7, 31
-; GFX9-NEXT:    s_add_u32 s2, s6, s0
-; GFX9-NEXT:    s_mov_b32 s1, s0
-; GFX9-NEXT:    s_addc_u32 s3, s7, s0
-; GFX9-NEXT:    s_xor_b64 s[2:3], s[2:3], s[0:1]
-; GFX9-NEXT:    v_readfirstlane_b32 s9, v0
-; GFX9-NEXT:    s_mul_i32 s7, s2, s8
-; GFX9-NEXT:    s_mul_hi_u32 s10, s2, s9
-; GFX9-NEXT:    s_mul_hi_u32 s6, s2, s8
-; GFX9-NEXT:    s_add_u32 s7, s10, s7
-; GFX9-NEXT:    s_addc_u32 s6, 0, s6
-; GFX9-NEXT:    s_mul_hi_u32 s11, s3, s9
-; GFX9-NEXT:    s_mul_i32 s9, s3, s9
-; GFX9-NEXT:    s_add_u32 s7, s7, s9
-; GFX9-NEXT:    s_mul_hi_u32 s10, s3, s8
-; GFX9-NEXT:    s_addc_u32 s6, s6, s11
-; GFX9-NEXT:    s_addc_u32 s7, s10, 0
-; GFX9-NEXT:    s_mul_i32 s8, s3, s8
-; GFX9-NEXT:    s_add_u32 s6, s6, s8
-; GFX9-NEXT:    s_addc_u32 s7, 0, s7
-; GFX9-NEXT:    s_add_u32 s8, s6, 1
-; GFX9-NEXT:    s_addc_u32 s9, s7, 0
-; GFX9-NEXT:    s_add_u32 s10, s6, 2
-; GFX9-NEXT:    s_mul_i32 s13, s7, 0x12d8fb
-; GFX9-NEXT:    s_mul_hi_u32 s14, s6, 0x12d8fb
-; GFX9-NEXT:    s_addc_u32 s11, s7, 0
-; GFX9-NEXT:    s_add_i32 s14, s14, s13
-; GFX9-NEXT:    s_mul_i32 s13, s6, 0x12d8fb
-; GFX9-NEXT:    v_mov_b32_e32 v0, s13
-; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, s2, v0
-; GFX9-NEXT:    s_mov_b32 s12, 0x12d8fb
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    s_subb_u32 s2, s3, s14
-; GFX9-NEXT:    v_subrev_co_u32_e32 v1, vcc, s12, v0
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    s_subb_u32 s3, s2, 0
-; GFX9-NEXT:    v_readfirstlane_b32 s12, v1
-; GFX9-NEXT:    s_cmp_gt_u32 s12, 0x12d8fa
-; GFX9-NEXT:    s_cselect_b32 s12, -1, 0
-; GFX9-NEXT:    s_cmp_eq_u32 s3, 0
-; GFX9-NEXT:    s_cselect_b32 s3, s12, -1
-; GFX9-NEXT:    s_cmp_lg_u32 s3, 0
-; GFX9-NEXT:    s_cselect_b32 s3, s11, s9
-; GFX9-NEXT:    v_readfirstlane_b32 s9, v0
-; GFX9-NEXT:    s_cselect_b32 s8, s10, s8
-; GFX9-NEXT:    s_cmp_gt_u32 s9, 0x12d8fa
-; GFX9-NEXT:    s_cselect_b32 s9, -1, 0
-; GFX9-NEXT:    s_cmp_eq_u32 s2, 0
-; GFX9-NEXT:    s_cselect_b32 s2, s9, -1
-; GFX9-NEXT:    s_cmp_lg_u32 s2, 0
-; GFX9-NEXT:    s_cselect_b32 s3, s3, s7
-; GFX9-NEXT:    s_cselect_b32 s2, s8, s6
-; GFX9-NEXT:    s_xor_b64 s[2:3], s[2:3], s[0:1]
-; GFX9-NEXT:    s_sub_u32 s2, s2, s0
-; GFX9-NEXT:    s_subb_u32 s3, s3, s0
-; GFX9-NEXT:    v_mov_b32_e32 v0, s2
 ; GFX9-NEXT:    v_mov_b32_e32 v2, 0
-; GFX9-NEXT:    v_mov_b32_e32 v1, s3
+; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9-NEXT:    s_mul_hi_u32 s0, s6, 0x6ca94220
+; GFX9-NEXT:    s_mul_i32 s1, s6, 0x6ca94220
+; GFX9-NEXT:    s_mul_i32 s3, s7, 0xfd81e19
+; GFX9-NEXT:    s_mul_hi_u32 s6, s6, 0xfd81e19
+; GFX9-NEXT:    s_mul_hi_u32 s2, s7, 0xfd81e19
+; GFX9-NEXT:    s_add_u32 s3, s3, s6
+; GFX9-NEXT:    s_addc_u32 s2, s2, 0
+; GFX9-NEXT:    s_add_u32 s1, s1, s3
+; GFX9-NEXT:    s_addc_u32 s0, s0, 0
+; GFX9-NEXT:    s_add_u32 s0, s2, s0
+; GFX9-NEXT:    s_addc_u32 s1, 0, 0
+; GFX9-NEXT:    s_mul_i32 s3, s7, 0x6ca94220
+; GFX9-NEXT:    s_mul_hi_u32 s2, s7, 0x6ca94220
+; GFX9-NEXT:    s_add_u32 s0, s3, s0
+; GFX9-NEXT:    s_addc_u32 s1, s2, s1
+; GFX9-NEXT:    s_ashr_i32 s2, s7, 31
+; GFX9-NEXT:    s_mul_i32 s3, s2, 0x6ca94220
+; GFX9-NEXT:    s_mul_hi_u32 s6, s2, 0xfd81e19
+; GFX9-NEXT:    s_add_i32 s3, s6, s3
+; GFX9-NEXT:    s_mul_i32 s2, s2, 0xfd81e19
+; GFX9-NEXT:    s_add_i32 s3, s3, s2
+; GFX9-NEXT:    s_add_u32 s0, s0, s2
+; GFX9-NEXT:    s_addc_u32 s1, s1, s3
+; GFX9-NEXT:    s_ashr_i64 s[2:3], s[0:1], 19
+; GFX9-NEXT:    s_lshr_b32 s0, s1, 31
+; GFX9-NEXT:    s_add_u32 s0, s2, s0
+; GFX9-NEXT:    s_addc_u32 s1, s3, 0
+; GFX9-NEXT:    v_mov_b32_e32 v0, s0
+; GFX9-NEXT:    v_mov_b32_e32 v1, s1
 ; GFX9-NEXT:    global_store_dwordx2 v2, v[0:1], s[4:5]
 ; GFX9-NEXT:    s_endpgm
   %r = sdiv i64 %x, 1235195
@@ -8653,98 +8157,50 @@ define amdgpu_kernel void @ssdiv_v2i64_mixed_pow2k_denom(ptr addrspace(1) %out,
 ; GFX6:       ; %bb.0:
 ; GFX6-NEXT:    s_load_dwordx4 s[4:7], s[2:3], 0xd
 ; GFX6-NEXT:    s_load_dwordx2 s[0:1], s[2:3], 0x9
-; GFX6-NEXT:    s_mov_b32 s2, 0x2ff2fc01
-; GFX6-NEXT:    v_bfrev_b32_e32 v0, 7
+; GFX6-NEXT:    v_mov_b32_e32 v2, 0x8008009
+; GFX6-NEXT:    v_mov_b32_e32 v0, 0x80080080
 ; GFX6-NEXT:    s_mov_b32 s3, 0xf000
 ; GFX6-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX6-NEXT:    v_mul_hi_u32 v3, s6, v2
+; GFX6-NEXT:    v_mul_hi_u32 v4, s7, v2
 ; GFX6-NEXT:    s_ashr_i32 s8, s5, 31
+; GFX6-NEXT:    v_mul_hi_u32 v1, s6, v0
+; GFX6-NEXT:    s_mul_i32 s9, s7, 0x8008009
 ; GFX6-NEXT:    s_lshr_b32 s8, s8, 20
+; GFX6-NEXT:    v_add_i32_e32 v3, vcc, s9, v3
 ; GFX6-NEXT:    s_add_u32 s4, s4, s8
+; GFX6-NEXT:    s_mul_i32 s8, s6, 0x80080080
+; GFX6-NEXT:    v_addc_u32_e32 v4, vcc, 0, v4, vcc
+; GFX6-NEXT:    v_add_i32_e32 v3, vcc, s8, v3
+; GFX6-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
+; GFX6-NEXT:    v_add_i32_e32 v1, vcc, v4, v1
+; GFX6-NEXT:    v_addc_u32_e64 v3, s[8:9], 0, 0, vcc
 ; GFX6-NEXT:    s_addc_u32 s5, s5, 0
-; GFX6-NEXT:    s_ashr_i64 s[4:5], s[4:5], 12
-; GFX6-NEXT:    s_add_u32 s2, 0xe037f, s2
-; GFX6-NEXT:    v_add_i32_e32 v0, vcc, s2, v0
-; GFX6-NEXT:    s_addc_u32 s8, 0, 0
-; GFX6-NEXT:    s_or_b32 s2, vcc_lo, vcc_hi
-; GFX6-NEXT:    s_cmp_lg_u32 s2, 0
-; GFX6-NEXT:    s_movk_i32 s2, 0xf001
-; GFX6-NEXT:    v_mul_hi_u32 v1, v0, s2
-; GFX6-NEXT:    s_addc_u32 s8, s8, 0x1000ff
-; GFX6-NEXT:    v_mul_lo_u32 v2, v0, s2
-; GFX6-NEXT:    s_mul_i32 s9, s8, 0xfffff001
-; GFX6-NEXT:    v_add_i32_e32 v1, vcc, s9, v1
-; GFX6-NEXT:    v_sub_i32_e32 v1, vcc, v1, v0
-; GFX6-NEXT:    v_mul_lo_u32 v5, v0, v1
-; GFX6-NEXT:    v_mul_hi_u32 v6, v0, v2
-; GFX6-NEXT:    v_mul_hi_u32 v7, v0, v1
-; GFX6-NEXT:    v_mul_hi_u32 v4, s8, v2
-; GFX6-NEXT:    v_mul_lo_u32 v2, s8, v2
-; GFX6-NEXT:    v_mul_hi_u32 v3, s8, v1
-; GFX6-NEXT:    v_add_i32_e32 v5, vcc, v6, v5
-; GFX6-NEXT:    v_addc_u32_e32 v6, vcc, 0, v7, vcc
-; GFX6-NEXT:    v_mul_lo_u32 v1, s8, v1
-; GFX6-NEXT:    v_add_i32_e32 v2, vcc, v5, v2
-; GFX6-NEXT:    v_addc_u32_e32 v2, vcc, v6, v4, vcc
-; GFX6-NEXT:    v_addc_u32_e32 v3, vcc, 0, v3, vcc
-; GFX6-NEXT:    v_add_i32_e32 v1, vcc, v2, v1
-; GFX6-NEXT:    v_addc_u32_e32 v2, vcc, 0, v3, vcc
-; GFX6-NEXT:    v_mov_b32_e32 v3, s8
-; GFX6-NEXT:    s_ashr_i32 s8, s7, 31
-; GFX6-NEXT:    s_add_u32 s6, s6, s8
-; GFX6-NEXT:    v_add_i32_e32 v0, vcc, v0, v1
-; GFX6-NEXT:    s_mov_b32 s9, s8
-; GFX6-NEXT:    s_addc_u32 s7, s7, s8
-; GFX6-NEXT:    v_addc_u32_e32 v1, vcc, v3, v2, vcc
-; GFX6-NEXT:    s_xor_b64 s[6:7], s[6:7], s[8:9]
-; GFX6-NEXT:    v_mul_lo_u32 v2, s6, v1
-; GFX6-NEXT:    v_mul_hi_u32 v3, s6, v0
-; GFX6-NEXT:    v_mul_hi_u32 v4, s6, v1
-; GFX6-NEXT:    v_mul_hi_u32 v5, s7, v1
-; GFX6-NEXT:    v_mul_lo_u32 v1, s7, v1
-; GFX6-NEXT:    v_add_i32_e32 v2, vcc, v3, v2
-; GFX6-NEXT:    v_addc_u32_e32 v3, vcc, 0, v4, vcc
-; GFX6-NEXT:    v_mul_lo_u32 v4, s7, v0
+; GFX6-NEXT:    s_ashr_i32 s9, s7, 31
 ; GFX6-NEXT:    v_mul_hi_u32 v0, s7, v0
-; GFX6-NEXT:    s_movk_i32 s9, 0xfff
-; GFX6-NEXT:    s_mov_b32 s2, -1
-; GFX6-NEXT:    v_add_i32_e32 v2, vcc, v2, v4
-; GFX6-NEXT:    v_addc_u32_e32 v0, vcc, v3, v0, vcc
-; GFX6-NEXT:    v_addc_u32_e32 v2, vcc, 0, v5, vcc
-; GFX6-NEXT:    v_add_i32_e32 v0, vcc, v0, v1
-; GFX6-NEXT:    v_addc_u32_e32 v1, vcc, 0, v2, vcc
-; GFX6-NEXT:    v_mul_lo_u32 v4, v1, s9
-; GFX6-NEXT:    v_mul_hi_u32 v5, v0, s9
-; GFX6-NEXT:    v_add_i32_e32 v2, vcc, 1, v0
-; GFX6-NEXT:    v_mul_lo_u32 v8, v0, s9
-; GFX6-NEXT:    v_addc_u32_e32 v3, vcc, 0, v1, vcc
-; GFX6-NEXT:    v_add_i32_e32 v6, vcc, 2, v0
-; GFX6-NEXT:    v_addc_u32_e32 v7, vcc, 0, v1, vcc
-; GFX6-NEXT:    v_add_i32_e32 v4, vcc, v4, v5
-; GFX6-NEXT:    v_mov_b32_e32 v5, s7
-; GFX6-NEXT:    v_sub_i32_e32 v8, vcc, s6, v8
-; GFX6-NEXT:    v_subb_u32_e32 v4, vcc, v5, v4, vcc
-; GFX6-NEXT:    v_subrev_i32_e32 v5, vcc, s9, v8
-; GFX6-NEXT:    v_subbrev_u32_e32 v9, vcc, 0, v4, vcc
-; GFX6-NEXT:    s_movk_i32 s6, 0xffe
-; GFX6-NEXT:    v_cmp_lt_u32_e32 vcc, s6, v5
-; GFX6-NEXT:    v_cndmask_b32_e64 v5, 0, -1, vcc
-; GFX6-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v9
-; GFX6-NEXT:    v_cndmask_b32_e32 v5, -1, v5, vcc
-; GFX6-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v5
-; GFX6-NEXT:    v_cndmask_b32_e32 v2, v2, v6, vcc
-; GFX6-NEXT:    v_cndmask_b32_e32 v3, v3, v7, vcc
-; GFX6-NEXT:    v_cmp_lt_u32_e32 vcc, s6, v8
-; GFX6-NEXT:    v_cndmask_b32_e64 v5, 0, -1, vcc
-; GFX6-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v4
-; GFX6-NEXT:    v_cndmask_b32_e32 v4, -1, v5, vcc
-; GFX6-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v4
-; GFX6-NEXT:    v_cndmask_b32_e32 v0, v0, v2, vcc
-; GFX6-NEXT:    v_cndmask_b32_e32 v1, v1, v3, vcc
-; GFX6-NEXT:    v_xor_b32_e32 v0, s8, v0
-; GFX6-NEXT:    v_xor_b32_e32 v1, s8, v1
+; GFX6-NEXT:    v_mul_hi_u32 v2, s9, v2
+; GFX6-NEXT:    s_mul_i32 s8, s7, 0x80080080
+; GFX6-NEXT:    v_add_i32_e32 v1, vcc, s8, v1
+; GFX6-NEXT:    s_mul_i32 s8, s9, 0x80080080
+; GFX6-NEXT:    v_addc_u32_e32 v0, vcc, v0, v3, vcc
+; GFX6-NEXT:    v_add_i32_e32 v2, vcc, s8, v2
+; GFX6-NEXT:    s_mul_i32 s8, s9, 0x8008009
+; GFX6-NEXT:    v_add_i32_e32 v2, vcc, s8, v2
 ; GFX6-NEXT:    v_mov_b32_e32 v3, s8
-; GFX6-NEXT:    v_subrev_i32_e32 v2, vcc, s8, v0
-; GFX6-NEXT:    v_subb_u32_e32 v3, vcc, v1, v3, vcc
+; GFX6-NEXT:    v_mov_b32_e32 v4, s7
+; GFX6-NEXT:    v_subrev_i32_e32 v3, vcc, s6, v3
+; GFX6-NEXT:    v_subb_u32_e32 v2, vcc, v2, v4, vcc
+; GFX6-NEXT:    v_add_i32_e32 v1, vcc, v1, v3
+; GFX6-NEXT:    v_addc_u32_e32 v2, vcc, v0, v2, vcc
+; GFX6-NEXT:    v_mov_b32_e32 v3, s7
+; GFX6-NEXT:    v_add_i32_e32 v0, vcc, s6, v1
+; GFX6-NEXT:    v_addc_u32_e32 v1, vcc, v2, v3, vcc
+; GFX6-NEXT:    v_ashr_i64 v[2:3], v[0:1], 11
+; GFX6-NEXT:    v_lshrrev_b32_e32 v0, 31, v1
+; GFX6-NEXT:    s_ashr_i64 s[4:5], s[4:5], 12
+; GFX6-NEXT:    v_add_i32_e32 v2, vcc, v2, v0
+; GFX6-NEXT:    s_mov_b32 s2, -1
+; GFX6-NEXT:    v_addc_u32_e32 v3, vcc, 0, v3, vcc
 ; GFX6-NEXT:    v_mov_b32_e32 v0, s4
 ; GFX6-NEXT:    v_mov_b32_e32 v1, s5
 ; GFX6-NEXT:    buffer_store_dwordx4 v[0:3], off, s[0:3], 0
@@ -8754,8 +8210,6 @@ define amdgpu_kernel void @ssdiv_v2i64_mixed_pow2k_denom(ptr addrspace(1) %out,
 ; GFX9:       ; %bb.0:
 ; GFX9-NEXT:    s_load_dwordx4 s[4:7], s[2:3], 0x34
 ; GFX9-NEXT:    s_load_dwordx2 s[0:1], s[2:3], 0x24
-; GFX9-NEXT:    s_mov_b32 s8, 0x2ff2fc01
-; GFX9-NEXT:    v_bfrev_b32_e32 v0, 7
 ; GFX9-NEXT:    v_mov_b32_e32 v4, 0
 ; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX9-NEXT:    s_ashr_i32 s2, s5, 31
@@ -8763,93 +8217,41 @@ define amdgpu_kernel void @ssdiv_v2i64_mixed_pow2k_denom(ptr addrspace(1) %out,
 ; GFX9-NEXT:    s_add_u32 s2, s4, s2
 ; GFX9-NEXT:    s_addc_u32 s3, s5, 0
 ; GFX9-NEXT:    s_ashr_i64 s[2:3], s[2:3], 12
-; GFX9-NEXT:    s_add_u32 s4, 0xe037f, s8
+; GFX9-NEXT:    s_mul_i32 s5, s7, 0x8008009
+; GFX9-NEXT:    s_mul_hi_u32 s10, s6, 0x8008009
+; GFX9-NEXT:    s_mul_hi_u32 s4, s7, 0x8008009
+; GFX9-NEXT:    s_add_u32 s5, s5, s10
+; GFX9-NEXT:    s_mul_i32 s9, s6, 0x80080080
+; GFX9-NEXT:    s_addc_u32 s4, s4, 0
+; GFX9-NEXT:    s_mul_hi_u32 s8, s6, 0x80080080
+; GFX9-NEXT:    s_add_u32 s5, s9, s5
+; GFX9-NEXT:    s_addc_u32 s5, s8, 0
+; GFX9-NEXT:    s_add_u32 s4, s4, s5
 ; GFX9-NEXT:    s_addc_u32 s5, 0, 0
-; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, s4, v0
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    s_addc_u32 s4, s5, 0x1000ff
-; GFX9-NEXT:    v_readfirstlane_b32 s8, v0
-; GFX9-NEXT:    s_mul_i32 s5, s4, 0xfffff001
-; GFX9-NEXT:    s_mul_hi_u32 s9, s8, 0xfffff001
-; GFX9-NEXT:    s_add_i32 s9, s9, s5
-; GFX9-NEXT:    s_sub_i32 s5, s9, s8
-; GFX9-NEXT:    s_mul_i32 s10, s8, 0xfffff001
-; GFX9-NEXT:    s_mul_hi_u32 s13, s8, s5
-; GFX9-NEXT:    s_mul_i32 s14, s8, s5
-; GFX9-NEXT:    s_mul_hi_u32 s8, s8, s10
-; GFX9-NEXT:    s_add_u32 s8, s8, s14
-; GFX9-NEXT:    s_mul_hi_u32 s11, s4, s10
-; GFX9-NEXT:    s_mul_i32 s12, s4, s10
-; GFX9-NEXT:    s_addc_u32 s10, 0, s13
-; GFX9-NEXT:    s_add_u32 s8, s8, s12
-; GFX9-NEXT:    s_mul_hi_u32 s9, s4, s5
-; GFX9-NEXT:    s_addc_u32 s8, s10, s11
-; GFX9-NEXT:    s_addc_u32 s9, s9, 0
-; GFX9-NEXT:    s_mul_i32 s5, s4, s5
-; GFX9-NEXT:    s_add_u32 s5, s8, s5
-; GFX9-NEXT:    s_addc_u32 s8, 0, s9
-; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, s5, v0
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    s_addc_u32 s8, s4, s8
-; GFX9-NEXT:    s_ashr_i32 s4, s7, 31
-; GFX9-NEXT:    s_add_u32 s6, s6, s4
-; GFX9-NEXT:    s_mov_b32 s5, s4
-; GFX9-NEXT:    s_addc_u32 s7, s7, s4
-; GFX9-NEXT:    s_xor_b64 s[6:7], s[6:7], s[4:5]
-; GFX9-NEXT:    v_readfirstlane_b32 s11, v0
-; GFX9-NEXT:    s_mul_i32 s10, s6, s8
-; GFX9-NEXT:    s_mul_hi_u32 s12, s6, s11
-; GFX9-NEXT:    s_mul_hi_u32 s9, s6, s8
-; GFX9-NEXT:    s_add_u32 s10, s12, s10
-; GFX9-NEXT:    s_addc_u32 s9, 0, s9
-; GFX9-NEXT:    s_mul_hi_u32 s13, s7, s11
-; GFX9-NEXT:    s_mul_i32 s11, s7, s11
-; GFX9-NEXT:    s_add_u32 s10, s10, s11
-; GFX9-NEXT:    s_mul_hi_u32 s12, s7, s8
-; GFX9-NEXT:    s_addc_u32 s9, s9, s13
-; GFX9-NEXT:    s_addc_u32 s10, s12, 0
-; GFX9-NEXT:    s_mul_i32 s8, s7, s8
-; GFX9-NEXT:    s_add_u32 s8, s9, s8
-; GFX9-NEXT:    s_addc_u32 s9, 0, s10
-; GFX9-NEXT:    s_add_u32 s10, s8, 1
-; GFX9-NEXT:    s_addc_u32 s11, s9, 0
-; GFX9-NEXT:    s_add_u32 s12, s8, 2
-; GFX9-NEXT:    s_mul_i32 s15, s9, 0xfff
-; GFX9-NEXT:    s_mul_hi_u32 s16, s8, 0xfff
-; GFX9-NEXT:    s_addc_u32 s13, s9, 0
-; GFX9-NEXT:    s_add_i32 s16, s16, s15
-; GFX9-NEXT:    s_mul_i32 s15, s8, 0xfff
-; GFX9-NEXT:    v_mov_b32_e32 v0, s15
-; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, s6, v0
-; GFX9-NEXT:    s_movk_i32 s14, 0xfff
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    s_subb_u32 s6, s7, s16
-; GFX9-NEXT:    v_subrev_co_u32_e32 v1, vcc, s14, v0
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    s_subb_u32 s7, s6, 0
-; GFX9-NEXT:    v_readfirstlane_b32 s14, v1
-; GFX9-NEXT:    s_cmpk_gt_u32 s14, 0xffe
-; GFX9-NEXT:    s_cselect_b32 s14, -1, 0
-; GFX9-NEXT:    s_cmp_eq_u32 s7, 0
-; GFX9-NEXT:    s_cselect_b32 s7, s14, -1
-; GFX9-NEXT:    s_cmp_lg_u32 s7, 0
-; GFX9-NEXT:    s_cselect_b32 s7, s13, s11
-; GFX9-NEXT:    v_readfirstlane_b32 s11, v0
-; GFX9-NEXT:    s_cselect_b32 s10, s12, s10
-; GFX9-NEXT:    s_cmpk_gt_u32 s11, 0xffe
-; GFX9-NEXT:    s_cselect_b32 s11, -1, 0
-; GFX9-NEXT:    s_cmp_eq_u32 s6, 0
-; GFX9-NEXT:    s_cselect_b32 s6, s11, -1
-; GFX9-NEXT:    s_cmp_lg_u32 s6, 0
-; GFX9-NEXT:    s_cselect_b32 s7, s7, s9
-; GFX9-NEXT:    s_cselect_b32 s6, s10, s8
-; GFX9-NEXT:    s_xor_b64 s[6:7], s[6:7], s[4:5]
-; GFX9-NEXT:    s_sub_u32 s5, s6, s4
-; GFX9-NEXT:    s_subb_u32 s4, s7, s4
+; GFX9-NEXT:    s_mul_i32 s9, s7, 0x80080080
+; GFX9-NEXT:    s_mul_hi_u32 s8, s7, 0x80080080
+; GFX9-NEXT:    s_add_u32 s4, s9, s4
+; GFX9-NEXT:    s_addc_u32 s5, s8, s5
+; GFX9-NEXT:    s_ashr_i32 s8, s7, 31
+; GFX9-NEXT:    s_mul_i32 s9, s8, 0x80080080
+; GFX9-NEXT:    s_mul_hi_u32 s10, s8, 0x8008009
+; GFX9-NEXT:    s_add_i32 s9, s10, s9
+; GFX9-NEXT:    s_mul_i32 s8, s8, 0x8008009
+; GFX9-NEXT:    s_add_i32 s9, s9, s8
+; GFX9-NEXT:    s_sub_u32 s8, s8, s6
+; GFX9-NEXT:    s_subb_u32 s9, s9, s7
+; GFX9-NEXT:    s_add_u32 s4, s4, s8
+; GFX9-NEXT:    s_addc_u32 s5, s5, s9
+; GFX9-NEXT:    s_add_u32 s4, s4, s6
+; GFX9-NEXT:    s_addc_u32 s5, s5, s7
+; GFX9-NEXT:    s_ashr_i64 s[6:7], s[4:5], 11
+; GFX9-NEXT:    s_lshr_b32 s4, s5, 31
+; GFX9-NEXT:    s_add_u32 s4, s6, s4
+; GFX9-NEXT:    s_addc_u32 s5, s7, 0
 ; GFX9-NEXT:    v_mov_b32_e32 v0, s2
 ; GFX9-NEXT:    v_mov_b32_e32 v1, s3
-; GFX9-NEXT:    v_mov_b32_e32 v2, s5
-; GFX9-NEXT:    v_mov_b32_e32 v3, s4
+; GFX9-NEXT:    v_mov_b32_e32 v2, s4
+; GFX9-NEXT:    v_mov_b32_e32 v3, s5
 ; GFX9-NEXT:    global_store_dwordx4 v4, v[0:3], s[0:1]
 ; GFX9-NEXT:    s_endpgm
   %r = sdiv <2 x i64> %x, <i64 4096, i64 4095>
@@ -9433,192 +8835,92 @@ define amdgpu_kernel void @srem_i64_oddk_denom(ptr addrspace(1) %out, i64 %x) {
 ;
 ; GFX6-LABEL: srem_i64_oddk_denom:
 ; GFX6:       ; %bb.0:
-; GFX6-NEXT:    s_mov_b32 s0, 0x33fe64
-; GFX6-NEXT:    s_add_u32 s0, 0x396, s0
-; GFX6-NEXT:    v_mov_b32_e32 v0, 0x28100000
-; GFX6-NEXT:    v_add_i32_e32 v0, vcc, s0, v0
-; GFX6-NEXT:    s_addc_u32 s1, 0, 0
-; GFX6-NEXT:    s_or_b32 s0, vcc_lo, vcc_hi
-; GFX6-NEXT:    s_cmp_lg_u32 s0, 0
-; GFX6-NEXT:    s_mov_b32 s0, 0xffed2705
-; GFX6-NEXT:    v_mul_hi_u32 v1, v0, s0
-; GFX6-NEXT:    s_addc_u32 s1, s1, 0xd95
-; GFX6-NEXT:    v_mul_lo_u32 v2, v0, s0
-; GFX6-NEXT:    s_mul_i32 s8, s1, 0xffed2705
-; GFX6-NEXT:    v_add_i32_e32 v1, vcc, s8, v1
-; GFX6-NEXT:    v_sub_i32_e32 v1, vcc, v1, v0
-; GFX6-NEXT:    v_mul_lo_u32 v5, v0, v1
-; GFX6-NEXT:    v_mul_hi_u32 v6, v0, v2
-; GFX6-NEXT:    v_mul_hi_u32 v7, v0, v1
-; GFX6-NEXT:    v_mul_hi_u32 v4, s1, v2
-; GFX6-NEXT:    v_mul_lo_u32 v2, s1, v2
 ; GFX6-NEXT:    s_load_dwordx4 s[4:7], s[2:3], 0x9
-; GFX6-NEXT:    v_mul_hi_u32 v3, s1, v1
-; GFX6-NEXT:    v_add_i32_e32 v5, vcc, v6, v5
-; GFX6-NEXT:    v_addc_u32_e32 v6, vcc, 0, v7, vcc
-; GFX6-NEXT:    v_mul_lo_u32 v1, s1, v1
-; GFX6-NEXT:    v_add_i32_e32 v2, vcc, v5, v2
-; GFX6-NEXT:    v_addc_u32_e32 v2, vcc, v6, v4, vcc
-; GFX6-NEXT:    v_addc_u32_e32 v3, vcc, 0, v3, vcc
-; GFX6-NEXT:    v_add_i32_e32 v1, vcc, v2, v1
+; GFX6-NEXT:    v_mov_b32_e32 v2, 0xfd81e19
+; GFX6-NEXT:    v_mov_b32_e32 v0, 0x6ca94220
+; GFX6-NEXT:    s_mov_b32 s3, 0xf000
+; GFX6-NEXT:    s_mov_b32 s2, -1
 ; GFX6-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX6-NEXT:    s_ashr_i32 s8, s7, 31
-; GFX6-NEXT:    v_addc_u32_e32 v2, vcc, 0, v3, vcc
-; GFX6-NEXT:    s_add_u32 s0, s6, s8
-; GFX6-NEXT:    v_mov_b32_e32 v3, s1
-; GFX6-NEXT:    v_add_i32_e32 v0, vcc, v0, v1
-; GFX6-NEXT:    s_mov_b32 s9, s8
-; GFX6-NEXT:    s_addc_u32 s1, s7, s8
-; GFX6-NEXT:    v_addc_u32_e32 v1, vcc, v3, v2, vcc
-; GFX6-NEXT:    s_xor_b64 s[6:7], s[0:1], s[8:9]
-; GFX6-NEXT:    v_mul_lo_u32 v2, s6, v1
-; GFX6-NEXT:    v_mul_hi_u32 v3, s6, v0
-; GFX6-NEXT:    v_mul_hi_u32 v4, s6, v1
-; GFX6-NEXT:    v_mul_hi_u32 v5, s7, v1
-; GFX6-NEXT:    v_mul_lo_u32 v1, s7, v1
-; GFX6-NEXT:    v_add_i32_e32 v2, vcc, v3, v2
-; GFX6-NEXT:    v_addc_u32_e32 v3, vcc, 0, v4, vcc
-; GFX6-NEXT:    v_mul_lo_u32 v4, s7, v0
-; GFX6-NEXT:    v_mul_hi_u32 v0, s7, v0
+; GFX6-NEXT:    v_mul_hi_u32 v3, s6, v2
+; GFX6-NEXT:    v_mul_hi_u32 v4, s7, v2
 ; GFX6-NEXT:    s_mov_b32 s0, s4
+; GFX6-NEXT:    v_mul_hi_u32 v1, s6, v0
+; GFX6-NEXT:    s_mul_i32 s4, s7, 0xfd81e19
+; GFX6-NEXT:    v_add_i32_e32 v3, vcc, s4, v3
+; GFX6-NEXT:    s_mul_i32 s1, s6, 0x6ca94220
+; GFX6-NEXT:    v_addc_u32_e32 v4, vcc, 0, v4, vcc
+; GFX6-NEXT:    s_ashr_i32 s4, s7, 31
+; GFX6-NEXT:    v_add_i32_e32 v3, vcc, s1, v3
+; GFX6-NEXT:    v_mul_hi_u32 v0, s7, v0
+; GFX6-NEXT:    v_mul_hi_u32 v2, s4, v2
+; GFX6-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
+; GFX6-NEXT:    v_add_i32_e32 v1, vcc, v4, v1
+; GFX6-NEXT:    s_mul_i32 s1, s7, 0x6ca94220
+; GFX6-NEXT:    v_addc_u32_e64 v3, s[8:9], 0, 0, vcc
+; GFX6-NEXT:    v_add_i32_e32 v1, vcc, s1, v1
+; GFX6-NEXT:    s_mul_i32 s1, s4, 0x6ca94220
+; GFX6-NEXT:    v_addc_u32_e32 v3, vcc, v0, v3, vcc
+; GFX6-NEXT:    v_add_i32_e32 v0, vcc, s1, v2
+; GFX6-NEXT:    s_mul_i32 s4, s4, 0xfd81e19
+; GFX6-NEXT:    v_add_i32_e32 v2, vcc, s4, v0
+; GFX6-NEXT:    v_add_i32_e32 v0, vcc, s4, v1
+; GFX6-NEXT:    v_addc_u32_e32 v1, vcc, v3, v2, vcc
+; GFX6-NEXT:    v_ashr_i64 v[2:3], v[0:1], 19
+; GFX6-NEXT:    v_lshrrev_b32_e32 v0, 31, v1
+; GFX6-NEXT:    v_add_i32_e32 v0, vcc, v2, v0
+; GFX6-NEXT:    v_addc_u32_e32 v1, vcc, 0, v3, vcc
 ; GFX6-NEXT:    s_mov_b32 s4, 0x12d8fb
-; GFX6-NEXT:    v_add_i32_e32 v2, vcc, v2, v4
-; GFX6-NEXT:    v_addc_u32_e32 v0, vcc, v3, v0, vcc
-; GFX6-NEXT:    v_addc_u32_e32 v2, vcc, 0, v5, vcc
-; GFX6-NEXT:    v_add_i32_e32 v0, vcc, v0, v1
-; GFX6-NEXT:    v_addc_u32_e32 v1, vcc, 0, v2, vcc
 ; GFX6-NEXT:    v_mul_lo_u32 v1, v1, s4
 ; GFX6-NEXT:    v_mul_hi_u32 v2, v0, s4
 ; GFX6-NEXT:    v_mul_lo_u32 v0, v0, s4
-; GFX6-NEXT:    s_mov_b32 s3, 0xf000
-; GFX6-NEXT:    s_mov_b32 s2, -1
+; GFX6-NEXT:    s_mov_b32 s1, s5
 ; GFX6-NEXT:    v_add_i32_e32 v1, vcc, v1, v2
 ; GFX6-NEXT:    v_mov_b32_e32 v2, s7
 ; GFX6-NEXT:    v_sub_i32_e32 v0, vcc, s6, v0
 ; GFX6-NEXT:    v_subb_u32_e32 v1, vcc, v2, v1, vcc
-; GFX6-NEXT:    v_subrev_i32_e32 v2, vcc, s4, v0
-; GFX6-NEXT:    v_subbrev_u32_e32 v3, vcc, 0, v1, vcc
-; GFX6-NEXT:    v_subrev_i32_e32 v4, vcc, s4, v2
-; GFX6-NEXT:    v_subbrev_u32_e32 v5, vcc, 0, v3, vcc
-; GFX6-NEXT:    s_mov_b32 s4, 0x12d8fa
-; GFX6-NEXT:    v_cmp_lt_u32_e32 vcc, s4, v2
-; GFX6-NEXT:    v_cndmask_b32_e64 v6, 0, -1, vcc
-; GFX6-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v3
-; GFX6-NEXT:    v_cndmask_b32_e32 v6, -1, v6, vcc
-; GFX6-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v6
-; GFX6-NEXT:    v_cndmask_b32_e32 v3, v3, v5, vcc
-; GFX6-NEXT:    v_cndmask_b32_e32 v2, v2, v4, vcc
-; GFX6-NEXT:    v_cmp_lt_u32_e32 vcc, s4, v0
-; GFX6-NEXT:    v_cndmask_b32_e64 v4, 0, -1, vcc
-; GFX6-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v1
-; GFX6-NEXT:    v_cndmask_b32_e32 v4, -1, v4, vcc
-; GFX6-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v4
-; GFX6-NEXT:    v_cndmask_b32_e32 v0, v0, v2, vcc
-; GFX6-NEXT:    v_cndmask_b32_e32 v1, v1, v3, vcc
-; GFX6-NEXT:    v_xor_b32_e32 v0, s8, v0
-; GFX6-NEXT:    v_xor_b32_e32 v1, s8, v1
-; GFX6-NEXT:    v_mov_b32_e32 v2, s8
-; GFX6-NEXT:    v_subrev_i32_e32 v0, vcc, s8, v0
-; GFX6-NEXT:    s_mov_b32 s1, s5
-; GFX6-NEXT:    v_subb_u32_e32 v1, vcc, v1, v2, vcc
 ; GFX6-NEXT:    buffer_store_dwordx2 v[0:1], off, s[0:3], 0
 ; GFX6-NEXT:    s_endpgm
 ;
 ; GFX9-LABEL: srem_i64_oddk_denom:
 ; GFX9:       ; %bb.0:
-; GFX9-NEXT:    s_mov_b32 s0, 0x33fe64
-; GFX9-NEXT:    s_add_u32 s0, 0x396, s0
-; GFX9-NEXT:    v_mov_b32_e32 v0, 0x28100000
-; GFX9-NEXT:    s_addc_u32 s1, 0, 0
-; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, s0, v0
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
 ; GFX9-NEXT:    s_load_dwordx4 s[4:7], s[2:3], 0x24
-; GFX9-NEXT:    s_addc_u32 s0, s1, 0xd95
-; GFX9-NEXT:    v_readfirstlane_b32 s2, v0
-; GFX9-NEXT:    s_mul_i32 s1, s0, 0xffed2705
-; GFX9-NEXT:    s_mul_hi_u32 s3, s2, 0xffed2705
-; GFX9-NEXT:    s_add_i32 s3, s3, s1
-; GFX9-NEXT:    s_sub_i32 s1, s3, s2
-; GFX9-NEXT:    s_mul_i32 s8, s2, 0xffed2705
-; GFX9-NEXT:    s_mul_hi_u32 s11, s2, s1
-; GFX9-NEXT:    s_mul_i32 s12, s2, s1
-; GFX9-NEXT:    s_mul_hi_u32 s2, s2, s8
-; GFX9-NEXT:    s_add_u32 s2, s2, s12
-; GFX9-NEXT:    s_mul_hi_u32 s9, s0, s8
-; GFX9-NEXT:    s_mul_i32 s10, s0, s8
-; GFX9-NEXT:    s_addc_u32 s8, 0, s11
-; GFX9-NEXT:    s_add_u32 s2, s2, s10
-; GFX9-NEXT:    s_mul_hi_u32 s3, s0, s1
-; GFX9-NEXT:    s_addc_u32 s2, s8, s9
-; GFX9-NEXT:    s_addc_u32 s3, s3, 0
-; GFX9-NEXT:    s_mul_i32 s1, s0, s1
-; GFX9-NEXT:    s_add_u32 s1, s2, s1
-; GFX9-NEXT:    s_addc_u32 s2, 0, s3
-; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, s1, v0
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    s_addc_u32 s8, s0, s2
+; GFX9-NEXT:    v_mov_b32_e32 v2, 0
 ; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX9-NEXT:    s_ashr_i32 s0, s7, 31
-; GFX9-NEXT:    s_add_u32 s2, s6, s0
-; GFX9-NEXT:    s_mov_b32 s1, s0
-; GFX9-NEXT:    s_addc_u32 s3, s7, s0
-; GFX9-NEXT:    s_xor_b64 s[2:3], s[2:3], s[0:1]
-; GFX9-NEXT:    v_readfirstlane_b32 s7, v0
-; GFX9-NEXT:    s_mul_i32 s6, s2, s8
-; GFX9-NEXT:    s_mul_hi_u32 s9, s2, s7
-; GFX9-NEXT:    s_mul_hi_u32 s1, s2, s8
-; GFX9-NEXT:    s_add_u32 s6, s9, s6
-; GFX9-NEXT:    s_addc_u32 s1, 0, s1
-; GFX9-NEXT:    s_mul_hi_u32 s10, s3, s7
-; GFX9-NEXT:    s_mul_i32 s7, s3, s7
-; GFX9-NEXT:    s_add_u32 s6, s6, s7
-; GFX9-NEXT:    s_mul_hi_u32 s9, s3, s8
-; GFX9-NEXT:    s_addc_u32 s1, s1, s10
-; GFX9-NEXT:    s_addc_u32 s6, s9, 0
-; GFX9-NEXT:    s_mul_i32 s7, s3, s8
-; GFX9-NEXT:    s_add_u32 s1, s1, s7
-; GFX9-NEXT:    s_addc_u32 s6, 0, s6
-; GFX9-NEXT:    s_mul_hi_u32 s8, s1, 0x12d8fb
+; GFX9-NEXT:    s_mul_i32 s3, s7, 0xfd81e19
+; GFX9-NEXT:    s_mul_hi_u32 s8, s6, 0xfd81e19
+; GFX9-NEXT:    s_mul_hi_u32 s2, s7, 0xfd81e19
+; GFX9-NEXT:    s_add_u32 s3, s3, s8
+; GFX9-NEXT:    s_mul_i32 s1, s6, 0x6ca94220
+; GFX9-NEXT:    s_addc_u32 s2, s2, 0
+; GFX9-NEXT:    s_mul_hi_u32 s0, s6, 0x6ca94220
+; GFX9-NEXT:    s_add_u32 s1, s1, s3
+; GFX9-NEXT:    s_addc_u32 s0, s0, 0
+; GFX9-NEXT:    s_add_u32 s0, s2, s0
+; GFX9-NEXT:    s_addc_u32 s1, 0, 0
+; GFX9-NEXT:    s_mul_i32 s3, s7, 0x6ca94220
+; GFX9-NEXT:    s_mul_hi_u32 s2, s7, 0x6ca94220
+; GFX9-NEXT:    s_add_u32 s0, s3, s0
+; GFX9-NEXT:    s_addc_u32 s1, s2, s1
+; GFX9-NEXT:    s_ashr_i32 s2, s7, 31
+; GFX9-NEXT:    s_mul_i32 s3, s2, 0x6ca94220
+; GFX9-NEXT:    s_mul_hi_u32 s8, s2, 0xfd81e19
+; GFX9-NEXT:    s_add_i32 s3, s8, s3
+; GFX9-NEXT:    s_mul_i32 s2, s2, 0xfd81e19
+; GFX9-NEXT:    s_add_i32 s3, s3, s2
+; GFX9-NEXT:    s_add_u32 s0, s0, s2
+; GFX9-NEXT:    s_addc_u32 s1, s1, s3
+; GFX9-NEXT:    s_ashr_i64 s[2:3], s[0:1], 19
+; GFX9-NEXT:    s_lshr_b32 s0, s1, 31
+; GFX9-NEXT:    s_add_u32 s0, s2, s0
+; GFX9-NEXT:    s_addc_u32 s1, s3, 0
 ; GFX9-NEXT:    s_mul_i32 s1, s1, 0x12d8fb
-; GFX9-NEXT:    s_mul_i32 s6, s6, 0x12d8fb
-; GFX9-NEXT:    v_mov_b32_e32 v0, s1
-; GFX9-NEXT:    s_add_i32 s8, s8, s6
-; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, s2, v0
-; GFX9-NEXT:    s_mov_b32 s7, 0x12d8fb
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    s_subb_u32 s1, s3, s8
-; GFX9-NEXT:    v_subrev_co_u32_e32 v1, vcc, s7, v0
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    s_subb_u32 s2, s1, 0
-; GFX9-NEXT:    v_subrev_co_u32_e32 v3, vcc, s7, v1
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    s_subb_u32 s3, s2, 0
-; GFX9-NEXT:    s_mov_b32 s6, 0x12d8fa
-; GFX9-NEXT:    v_cmp_lt_u32_e32 vcc, s6, v1
-; GFX9-NEXT:    s_cmp_eq_u32 s2, 0
-; GFX9-NEXT:    v_cndmask_b32_e64 v4, 0, -1, vcc
-; GFX9-NEXT:    s_cselect_b64 vcc, -1, 0
-; GFX9-NEXT:    v_cndmask_b32_e32 v4, -1, v4, vcc
-; GFX9-NEXT:    v_mov_b32_e32 v5, s2
-; GFX9-NEXT:    v_mov_b32_e32 v6, s3
-; GFX9-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v4
-; GFX9-NEXT:    v_cndmask_b32_e32 v4, v5, v6, vcc
-; GFX9-NEXT:    v_cndmask_b32_e32 v1, v1, v3, vcc
-; GFX9-NEXT:    v_cmp_lt_u32_e32 vcc, s6, v0
-; GFX9-NEXT:    s_cmp_eq_u32 s1, 0
-; GFX9-NEXT:    v_cndmask_b32_e64 v3, 0, -1, vcc
-; GFX9-NEXT:    s_cselect_b64 vcc, -1, 0
-; GFX9-NEXT:    v_cndmask_b32_e32 v3, -1, v3, vcc
-; GFX9-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v3
-; GFX9-NEXT:    v_mov_b32_e32 v5, s1
-; GFX9-NEXT:    v_cndmask_b32_e32 v0, v0, v1, vcc
-; GFX9-NEXT:    v_cndmask_b32_e32 v3, v5, v4, vcc
-; GFX9-NEXT:    v_xor_b32_e32 v0, s0, v0
-; GFX9-NEXT:    v_xor_b32_e32 v1, s0, v3
-; GFX9-NEXT:    v_mov_b32_e32 v3, s0
-; GFX9-NEXT:    v_subrev_co_u32_e32 v0, vcc, s0, v0
-; GFX9-NEXT:    v_mov_b32_e32 v2, 0
-; GFX9-NEXT:    v_subb_co_u32_e32 v1, vcc, v1, v3, vcc
+; GFX9-NEXT:    s_mul_hi_u32 s2, s0, 0x12d8fb
+; GFX9-NEXT:    s_add_i32 s2, s2, s1
+; GFX9-NEXT:    s_mul_i32 s0, s0, 0x12d8fb
+; GFX9-NEXT:    s_sub_u32 s0, s6, s0
+; GFX9-NEXT:    s_subb_u32 s1, s7, s2
+; GFX9-NEXT:    v_mov_b32_e32 v0, s0
+; GFX9-NEXT:    v_mov_b32_e32 v1, s1
 ; GFX9-NEXT:    global_store_dwordx2 v2, v[0:1], s[4:5]
 ; GFX9-NEXT:    s_endpgm
   %r = srem i64 %x, 1235195
diff --git a/llvm/test/CodeGen/AMDGPU/div-rem-by-constant-64.ll b/llvm/test/CodeGen/AMDGPU/div-rem-by-constant-64.ll
index 3c1cf60606450..29a2635f7d37f 100644
--- a/llvm/test/CodeGen/AMDGPU/div-rem-by-constant-64.ll
+++ b/llvm/test/CodeGen/AMDGPU/div-rem-by-constant-64.ll
@@ -9,230 +9,88 @@ define noundef i64 @srem64_3(i64 noundef %i)  {
 ; GFX9-LABEL: srem64_3:
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX9-NEXT:    s_add_u32 s4, 0, 0x55500000
-; GFX9-NEXT:    s_addc_u32 s5, 0, 0x155
-; GFX9-NEXT:    s_or_b32 s5, s5, 0x55555400
-; GFX9-NEXT:    s_mul_hi_u32 s9, s4, -3
-; GFX9-NEXT:    s_mul_i32 s10, s5, -3
-; GFX9-NEXT:    s_add_i32 s9, s9, s10
-; GFX9-NEXT:    s_mul_i32 s6, s4, -3
-; GFX9-NEXT:    s_sub_i32 s9, s9, s4
-; GFX9-NEXT:    s_mul_hi_u32 s7, s5, s6
-; GFX9-NEXT:    s_mul_i32 s8, s5, s6
-; GFX9-NEXT:    s_mul_i32 s11, s4, s9
-; GFX9-NEXT:    s_mul_hi_u32 s6, s4, s6
-; GFX9-NEXT:    s_mul_hi_u32 s10, s4, s9
-; GFX9-NEXT:    s_add_u32 s6, s6, s11
-; GFX9-NEXT:    s_addc_u32 s10, 0, s10
-; GFX9-NEXT:    s_add_u32 s6, s6, s8
-; GFX9-NEXT:    s_mul_hi_u32 s11, s5, s9
-; GFX9-NEXT:    s_addc_u32 s6, s10, s7
-; GFX9-NEXT:    s_addc_u32 s7, s11, 0
-; GFX9-NEXT:    s_mul_i32 s8, s5, s9
-; GFX9-NEXT:    s_add_u32 s6, s6, s8
-; GFX9-NEXT:    v_mov_b32_e32 v2, s6
-; GFX9-NEXT:    s_addc_u32 s7, 0, s7
-; GFX9-NEXT:    v_add_co_u32_e32 v2, vcc, s4, v2
+; GFX9-NEXT:    s_mov_b32 s6, 0x55555556
+; GFX9-NEXT:    v_mul_hi_u32 v2, v0, s6
+; GFX9-NEXT:    v_mov_b32_e32 v3, 0
+; GFX9-NEXT:    s_mov_b32 s7, 0x55555555
+; GFX9-NEXT:    v_mad_u64_u32 v[4:5], s[4:5], v1, s6, v[2:3]
+; GFX9-NEXT:    v_mov_b32_e32 v6, v5
+; GFX9-NEXT:    v_mov_b32_e32 v5, v3
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v0, s7, v[4:5]
 ; GFX9-NEXT:    v_ashrrev_i32_e32 v4, 31, v1
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, v0, v4
-; GFX9-NEXT:    s_addc_u32 s6, s5, s7
-; GFX9-NEXT:    v_xor_b32_e32 v5, v0, v4
-; GFX9-NEXT:    v_addc_co_u32_e32 v3, vcc, v1, v4, vcc
-; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v5, s6, 0
-; GFX9-NEXT:    v_mul_hi_u32 v6, v5, v2
-; GFX9-NEXT:    v_xor_b32_e32 v7, v3, v4
-; GFX9-NEXT:    v_add_co_u32_e32 v6, vcc, v6, v0
-; GFX9-NEXT:    v_addc_co_u32_e32 v8, vcc, 0, v1, vcc
-; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v7, v2, 0
-; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v7, s6, 0
-; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, v6, v0
-; GFX9-NEXT:    v_addc_co_u32_e32 v0, vcc, v8, v1, vcc
-; GFX9-NEXT:    v_addc_co_u32_e32 v1, vcc, 0, v3, vcc
-; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, v0, v2
-; GFX9-NEXT:    v_addc_co_u32_e32 v2, vcc, 0, v1, vcc
-; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v0, 3, 0
-; GFX9-NEXT:    v_mad_u64_u32 v[1:2], s[4:5], v2, 3, v[1:2]
-; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, v5, v0
-; GFX9-NEXT:    v_subb_co_u32_e32 v1, vcc, v7, v1, vcc
-; GFX9-NEXT:    v_subrev_co_u32_e32 v2, vcc, 3, v0
-; GFX9-NEXT:    v_subbrev_co_u32_e32 v3, vcc, 0, v1, vcc
-; GFX9-NEXT:    v_subrev_co_u32_e32 v5, vcc, 3, v2
-; GFX9-NEXT:    v_subbrev_co_u32_e32 v6, vcc, 0, v3, vcc
-; GFX9-NEXT:    v_cmp_lt_u32_e32 vcc, 2, v2
-; GFX9-NEXT:    v_cndmask_b32_e64 v7, 0, -1, vcc
-; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v3
-; GFX9-NEXT:    v_cndmask_b32_e32 v7, -1, v7, vcc
-; GFX9-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v7
-; GFX9-NEXT:    v_cmp_lt_u32_e64 s[4:5], 2, v0
-; GFX9-NEXT:    v_cndmask_b32_e32 v3, v3, v6, vcc
-; GFX9-NEXT:    v_cndmask_b32_e64 v6, 0, -1, s[4:5]
-; GFX9-NEXT:    v_cmp_eq_u32_e64 s[4:5], 0, v1
-; GFX9-NEXT:    v_cndmask_b32_e64 v6, -1, v6, s[4:5]
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[4:5], 0, v6
-; GFX9-NEXT:    v_cndmask_b32_e32 v2, v2, v5, vcc
-; GFX9-NEXT:    v_cndmask_b32_e64 v0, v0, v2, s[4:5]
-; GFX9-NEXT:    v_cndmask_b32_e64 v1, v1, v3, s[4:5]
-; GFX9-NEXT:    v_xor_b32_e32 v0, v0, v4
-; GFX9-NEXT:    v_xor_b32_e32 v1, v1, v4
-; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v4
-; GFX9-NEXT:    v_subb_co_u32_e32 v1, vcc, v1, v4, vcc
+; GFX9-NEXT:    v_mul_lo_u32 v5, v4, s7
+; GFX9-NEXT:    v_mov_b32_e32 v2, v3
+; GFX9-NEXT:    v_add_co_u32_e32 v2, vcc, v6, v2
+; GFX9-NEXT:    v_addc_co_u32_e64 v3, s[4:5], 0, 0, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v1, s7, v[2:3]
+; GFX9-NEXT:    v_mul_lo_u32 v6, v4, s6
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v4, s6, v[2:3]
+; GFX9-NEXT:    v_add3_u32 v3, v6, v3, v5
+; GFX9-NEXT:    v_lshrrev_b32_e32 v4, 31, v3
+; GFX9-NEXT:    v_add_co_u32_e32 v2, vcc, v2, v4
+; GFX9-NEXT:    v_addc_co_u32_e32 v4, vcc, 0, v3, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v2, 3, 0
+; GFX9-NEXT:    v_mad_u64_u32 v[3:4], s[4:5], v4, 3, v[3:4]
+; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v2
+; GFX9-NEXT:    v_subb_co_u32_e32 v1, vcc, v1, v3, vcc
 ; GFX9-NEXT:    s_setpc_b64 s[30:31]
 ;
 ; GFX942-LABEL: srem64_3:
 ; GFX942:       ; %bb.0: ; %entry
 ; GFX942-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX942-NEXT:    s_add_u32 s0, 0, 0x55500000
-; GFX942-NEXT:    s_addc_u32 s1, 0, 0x155
-; GFX942-NEXT:    s_or_b32 s1, s1, 0x55555400
-; GFX942-NEXT:    s_mul_hi_u32 s5, s0, -3
-; GFX942-NEXT:    s_mul_i32 s6, s1, -3
-; GFX942-NEXT:    s_add_i32 s5, s5, s6
-; GFX942-NEXT:    s_mul_i32 s2, s0, -3
-; GFX942-NEXT:    s_sub_i32 s5, s5, s0
-; GFX942-NEXT:    s_mul_hi_u32 s3, s1, s2
-; GFX942-NEXT:    s_mul_i32 s4, s1, s2
-; GFX942-NEXT:    s_mul_i32 s7, s0, s5
-; GFX942-NEXT:    s_mul_hi_u32 s2, s0, s2
-; GFX942-NEXT:    s_mul_hi_u32 s6, s0, s5
-; GFX942-NEXT:    s_add_u32 s2, s2, s7
-; GFX942-NEXT:    s_addc_u32 s6, 0, s6
-; GFX942-NEXT:    s_add_u32 s2, s2, s4
-; GFX942-NEXT:    s_mul_hi_u32 s7, s1, s5
-; GFX942-NEXT:    s_addc_u32 s2, s6, s3
-; GFX942-NEXT:    s_addc_u32 s3, s7, 0
-; GFX942-NEXT:    s_mul_i32 s4, s1, s5
-; GFX942-NEXT:    s_add_u32 s2, s2, s4
-; GFX942-NEXT:    v_mov_b32_e32 v2, s2
-; GFX942-NEXT:    v_add_co_u32_e32 v8, vcc, s0, v2
+; GFX942-NEXT:    s_mov_b32 s2, 0x55555556
+; GFX942-NEXT:    v_mul_hi_u32 v2, v0, s2
+; GFX942-NEXT:    v_mov_b32_e32 v3, 0
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v1, s2, v[2:3]
+; GFX942-NEXT:    v_mov_b32_e32 v2, v5
+; GFX942-NEXT:    v_mov_b32_e32 v5, v3
+; GFX942-NEXT:    s_mov_b32 s3, 0x55555555
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v0, s3, v[4:5]
+; GFX942-NEXT:    v_mov_b32_e32 v4, v5
+; GFX942-NEXT:    v_mov_b32_e32 v5, v3
+; GFX942-NEXT:    v_lshl_add_u64 v[4:5], v[2:3], 0, v[4:5]
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v1, s3, v[4:5]
 ; GFX942-NEXT:    v_ashrrev_i32_e32 v2, 31, v1
-; GFX942-NEXT:    s_addc_u32 s3, 0, s3
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v2, s2, v[4:5]
+; GFX942-NEXT:    v_mul_lo_u32 v6, v2, s3
+; GFX942-NEXT:    v_mul_lo_u32 v2, v2, s2
+; GFX942-NEXT:    v_add3_u32 v5, v2, v5, v6
+; GFX942-NEXT:    v_lshrrev_b32_e32 v2, 31, v5
+; GFX942-NEXT:    v_lshl_add_u64 v[2:3], v[4:5], 0, v[2:3]
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v2, 3, 0
+; GFX942-NEXT:    v_mov_b32_e32 v2, v5
+; GFX942-NEXT:    v_mad_u64_u32 v[2:3], s[0:1], v3, 3, v[2:3]
 ; GFX942-NEXT:    v_mov_b32_e32 v3, v2
-; GFX942-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX942-NEXT:    v_lshl_add_u64 v[0:1], v[0:1], 0, v[2:3]
-; GFX942-NEXT:    s_addc_u32 s2, s1, s3
-; GFX942-NEXT:    v_xor_b32_e32 v10, v0, v2
-; GFX942-NEXT:    v_xor_b32_e32 v3, v1, v2
-; GFX942-NEXT:    v_mad_u64_u32 v[0:1], s[0:1], v10, s2, 0
-; GFX942-NEXT:    v_mul_hi_u32 v4, v10, v8
-; GFX942-NEXT:    v_mov_b32_e32 v5, 0
-; GFX942-NEXT:    v_lshl_add_u64 v[0:1], v[4:5], 0, v[0:1]
-; GFX942-NEXT:    v_mad_u64_u32 v[8:9], s[0:1], v3, v8, 0
-; GFX942-NEXT:    v_add_co_u32_e32 v0, vcc, v0, v8
-; GFX942-NEXT:    v_mad_u64_u32 v[6:7], s[0:1], v3, s2, 0
-; GFX942-NEXT:    s_nop 0
-; GFX942-NEXT:    v_addc_co_u32_e32 v4, vcc, v1, v9, vcc
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_addc_co_u32_e32 v7, vcc, 0, v7, vcc
-; GFX942-NEXT:    v_lshl_add_u64 v[0:1], v[4:5], 0, v[6:7]
-; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v0, 3, 0
-; GFX942-NEXT:    v_mov_b32_e32 v0, v5
-; GFX942-NEXT:    v_mad_u64_u32 v[0:1], s[0:1], v1, 3, v[0:1]
-; GFX942-NEXT:    v_sub_co_u32_e32 v1, vcc, v10, v4
-; GFX942-NEXT:    v_cmp_lt_u32_e64 s[0:1], 2, v1
-; GFX942-NEXT:    s_nop 0
-; GFX942-NEXT:    v_subb_co_u32_e32 v0, vcc, v3, v0, vcc
-; GFX942-NEXT:    v_subrev_co_u32_e32 v3, vcc, 3, v1
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_subbrev_co_u32_e32 v4, vcc, 0, v0, vcc
-; GFX942-NEXT:    v_subrev_co_u32_e32 v5, vcc, 3, v3
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_subbrev_co_u32_e32 v6, vcc, 0, v4, vcc
-; GFX942-NEXT:    v_cmp_lt_u32_e32 vcc, 2, v3
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e64 v7, 0, -1, vcc
-; GFX942-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v4
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e32 v7, -1, v7, vcc
-; GFX942-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v7
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e32 v4, v4, v6, vcc
-; GFX942-NEXT:    v_cndmask_b32_e64 v6, 0, -1, s[0:1]
-; GFX942-NEXT:    v_cmp_eq_u32_e64 s[0:1], 0, v0
-; GFX942-NEXT:    v_cndmask_b32_e32 v3, v3, v5, vcc
-; GFX942-NEXT:    s_nop 0
-; GFX942-NEXT:    v_cndmask_b32_e64 v6, -1, v6, s[0:1]
-; GFX942-NEXT:    v_cmp_ne_u32_e64 s[0:1], 0, v6
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e64 v0, v0, v4, s[0:1]
-; GFX942-NEXT:    v_cndmask_b32_e64 v1, v1, v3, s[0:1]
-; GFX942-NEXT:    v_xor_b32_e32 v3, v0, v2
-; GFX942-NEXT:    v_xor_b32_e32 v0, v1, v2
-; GFX942-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v2
+; GFX942-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v4
 ; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_subb_co_u32_e32 v1, vcc, v3, v2, vcc
+; GFX942-NEXT:    v_subb_co_u32_e32 v1, vcc, v1, v3, vcc
 ; GFX942-NEXT:    s_setpc_b64 s[30:31]
 ;
 ; GFX1030-LABEL: srem64_3:
 ; GFX1030:       ; %bb.0: ; %entry
 ; GFX1030-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX1030-NEXT:    s_add_u32 s4, 0, 0x55500000
-; GFX1030-NEXT:    s_addc_u32 s5, 0, 0x155
-; GFX1030-NEXT:    s_mul_hi_u32 s6, s4, -3
-; GFX1030-NEXT:    s_or_b32 s5, s5, 0x55555400
-; GFX1030-NEXT:    s_mul_i32 s8, s4, -3
-; GFX1030-NEXT:    s_mul_i32 s7, s5, -3
-; GFX1030-NEXT:    s_mul_i32 s9, s5, s8
-; GFX1030-NEXT:    s_add_i32 s6, s6, s7
-; GFX1030-NEXT:    s_mul_hi_u32 s7, s5, s8
-; GFX1030-NEXT:    s_sub_i32 s6, s6, s4
-; GFX1030-NEXT:    s_mul_hi_u32 s8, s4, s8
-; GFX1030-NEXT:    s_mul_i32 s10, s4, s6
+; GFX1030-NEXT:    v_mul_hi_u32 v2, 0x55555556, v0
+; GFX1030-NEXT:    v_mov_b32_e32 v3, 0
+; GFX1030-NEXT:    v_mad_u64_u32 v[4:5], null, 0x55555556, v1, v[2:3]
+; GFX1030-NEXT:    v_mov_b32_e32 v6, v5
+; GFX1030-NEXT:    v_mov_b32_e32 v5, v3
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, 0x55555555, v0, v[4:5]
 ; GFX1030-NEXT:    v_ashrrev_i32_e32 v4, 31, v1
-; GFX1030-NEXT:    s_mul_hi_u32 s11, s4, s6
-; GFX1030-NEXT:    s_add_u32 s8, s8, s10
-; GFX1030-NEXT:    s_addc_u32 s10, 0, s11
-; GFX1030-NEXT:    s_mul_hi_u32 s11, s5, s6
-; GFX1030-NEXT:    s_add_u32 s8, s8, s9
-; GFX1030-NEXT:    s_addc_u32 s7, s10, s7
-; GFX1030-NEXT:    s_mul_i32 s6, s5, s6
-; GFX1030-NEXT:    v_add_co_u32 v0, vcc_lo, v0, v4
-; GFX1030-NEXT:    s_addc_u32 s8, s11, 0
-; GFX1030-NEXT:    s_add_u32 s6, s7, s6
-; GFX1030-NEXT:    s_addc_u32 s7, 0, s8
-; GFX1030-NEXT:    v_add_co_u32 v2, s4, s4, s6
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v3, vcc_lo, v1, v4, vcc_lo
-; GFX1030-NEXT:    v_xor_b32_e32 v5, v0, v4
-; GFX1030-NEXT:    s_cmp_lg_u32 s4, 0
-; GFX1030-NEXT:    s_addc_u32 s4, s5, s7
-; GFX1030-NEXT:    v_xor_b32_e32 v7, v3, v4
-; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, v5, s4, 0
-; GFX1030-NEXT:    v_mul_hi_u32 v6, v5, v2
-; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v7, v2, 0
-; GFX1030-NEXT:    v_add_co_u32 v6, vcc_lo, v6, v0
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v8, vcc_lo, 0, v1, vcc_lo
-; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, v7, s4, 0
-; GFX1030-NEXT:    v_add_co_u32 v2, vcc_lo, v6, v2
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v2, vcc_lo, v8, v3, vcc_lo
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v1, vcc_lo, 0, v1, vcc_lo
-; GFX1030-NEXT:    v_add_co_u32 v0, vcc_lo, v2, v0
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v2, vcc_lo, 0, v1, vcc_lo
-; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, v0, 3, 0
-; GFX1030-NEXT:    v_mad_u64_u32 v[1:2], null, v2, 3, v[1:2]
-; GFX1030-NEXT:    v_sub_co_u32 v0, vcc_lo, v5, v0
-; GFX1030-NEXT:    v_sub_co_ci_u32_e32 v1, vcc_lo, v7, v1, vcc_lo
-; GFX1030-NEXT:    v_sub_co_u32 v2, vcc_lo, v0, 3
-; GFX1030-NEXT:    v_subrev_co_ci_u32_e32 v3, vcc_lo, 0, v1, vcc_lo
-; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 2, v2
-; GFX1030-NEXT:    v_cmp_eq_u32_e64 s4, 0, v1
-; GFX1030-NEXT:    v_cndmask_b32_e64 v5, 0, -1, vcc_lo
-; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 2, v0
-; GFX1030-NEXT:    v_cndmask_b32_e64 v6, 0, -1, vcc_lo
-; GFX1030-NEXT:    v_cmp_eq_u32_e32 vcc_lo, 0, v3
-; GFX1030-NEXT:    v_cndmask_b32_e32 v5, -1, v5, vcc_lo
-; GFX1030-NEXT:    v_sub_co_u32 v7, vcc_lo, v2, 3
-; GFX1030-NEXT:    v_subrev_co_ci_u32_e32 v8, vcc_lo, 0, v3, vcc_lo
-; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v5
-; GFX1030-NEXT:    v_cndmask_b32_e64 v5, -1, v6, s4
-; GFX1030-NEXT:    v_cndmask_b32_e32 v3, v3, v8, vcc_lo
-; GFX1030-NEXT:    v_cndmask_b32_e32 v2, v2, v7, vcc_lo
-; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v5
-; GFX1030-NEXT:    v_cndmask_b32_e32 v0, v0, v2, vcc_lo
-; GFX1030-NEXT:    v_cndmask_b32_e32 v1, v1, v3, vcc_lo
-; GFX1030-NEXT:    v_xor_b32_e32 v0, v0, v4
-; GFX1030-NEXT:    v_xor_b32_e32 v1, v1, v4
-; GFX1030-NEXT:    v_sub_co_u32 v0, vcc_lo, v0, v4
-; GFX1030-NEXT:    v_sub_co_ci_u32_e32 v1, vcc_lo, v1, v4, vcc_lo
+; GFX1030-NEXT:    v_mul_lo_u32 v5, 0x55555555, v4
+; GFX1030-NEXT:    v_mov_b32_e32 v2, v3
+; GFX1030-NEXT:    v_add_co_u32 v2, s4, v6, v2
+; GFX1030-NEXT:    v_add_co_ci_u32_e64 v3, null, 0, 0, s4
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, 0x55555555, v1, v[2:3]
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, 0x55555556, v4, v[2:3]
+; GFX1030-NEXT:    v_mul_lo_u32 v4, 0x55555556, v4
+; GFX1030-NEXT:    v_add3_u32 v3, v4, v3, v5
+; GFX1030-NEXT:    v_lshrrev_b32_e32 v4, 31, v3
+; GFX1030-NEXT:    v_add_co_u32 v2, vcc_lo, v2, v4
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v4, vcc_lo, 0, v3, vcc_lo
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v2, 3, 0
+; GFX1030-NEXT:    v_mad_u64_u32 v[3:4], null, v4, 3, v[3:4]
+; GFX1030-NEXT:    v_sub_co_u32 v0, vcc_lo, v0, v2
+; GFX1030-NEXT:    v_sub_co_ci_u32_e32 v1, vcc_lo, v1, v3, vcc_lo
 ; GFX1030-NEXT:    s_setpc_b64 s[30:31]
 entry:
   %rem = srem i64 %i, 3
@@ -243,230 +101,88 @@ define noundef i64 @srem64_6(i64 noundef %i)  {
 ; GFX9-LABEL: srem64_6:
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX9-NEXT:    s_add_u32 s4, 0, 0x55500000
-; GFX9-NEXT:    s_addc_u32 s5, 0, 0x155
-; GFX9-NEXT:    s_or_b32 s5, s5, 0x55555400
-; GFX9-NEXT:    s_mul_hi_u32 s9, s4, -3
-; GFX9-NEXT:    s_mul_i32 s10, s5, -3
-; GFX9-NEXT:    s_add_i32 s9, s9, s10
-; GFX9-NEXT:    s_mul_i32 s6, s4, -3
-; GFX9-NEXT:    s_sub_i32 s9, s9, s4
-; GFX9-NEXT:    s_mul_hi_u32 s7, s5, s6
-; GFX9-NEXT:    s_mul_i32 s8, s5, s6
-; GFX9-NEXT:    s_mul_i32 s11, s4, s9
-; GFX9-NEXT:    s_mul_hi_u32 s6, s4, s6
-; GFX9-NEXT:    s_mul_hi_u32 s10, s4, s9
-; GFX9-NEXT:    s_add_u32 s6, s6, s11
-; GFX9-NEXT:    s_addc_u32 s10, 0, s10
-; GFX9-NEXT:    s_add_u32 s6, s6, s8
-; GFX9-NEXT:    s_mul_hi_u32 s11, s5, s9
-; GFX9-NEXT:    s_addc_u32 s6, s10, s7
-; GFX9-NEXT:    s_addc_u32 s7, s11, 0
-; GFX9-NEXT:    s_mul_i32 s8, s5, s9
-; GFX9-NEXT:    s_add_u32 s6, s6, s8
-; GFX9-NEXT:    v_mov_b32_e32 v2, s6
-; GFX9-NEXT:    s_addc_u32 s7, 0, s7
-; GFX9-NEXT:    v_add_co_u32_e32 v2, vcc, s4, v2
+; GFX9-NEXT:    s_mov_b32 s6, 0x55555556
+; GFX9-NEXT:    v_mul_hi_u32 v2, v0, s6
+; GFX9-NEXT:    v_mov_b32_e32 v3, 0
+; GFX9-NEXT:    s_mov_b32 s7, 0x55555555
+; GFX9-NEXT:    v_mad_u64_u32 v[4:5], s[4:5], v1, s6, v[2:3]
+; GFX9-NEXT:    v_mov_b32_e32 v6, v5
+; GFX9-NEXT:    v_mov_b32_e32 v5, v3
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v0, s7, v[4:5]
 ; GFX9-NEXT:    v_ashrrev_i32_e32 v4, 31, v1
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, v0, v4
-; GFX9-NEXT:    s_addc_u32 s6, s5, s7
-; GFX9-NEXT:    v_xor_b32_e32 v5, v0, v4
-; GFX9-NEXT:    v_addc_co_u32_e32 v3, vcc, v1, v4, vcc
-; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v5, s6, 0
-; GFX9-NEXT:    v_mul_hi_u32 v6, v5, v2
-; GFX9-NEXT:    v_xor_b32_e32 v7, v3, v4
-; GFX9-NEXT:    v_add_co_u32_e32 v6, vcc, v6, v0
-; GFX9-NEXT:    v_addc_co_u32_e32 v8, vcc, 0, v1, vcc
-; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v7, v2, 0
-; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v7, s6, 0
-; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, v6, v0
-; GFX9-NEXT:    v_addc_co_u32_e32 v0, vcc, v8, v1, vcc
-; GFX9-NEXT:    v_addc_co_u32_e32 v1, vcc, 0, v3, vcc
-; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, v0, v2
-; GFX9-NEXT:    v_addc_co_u32_e32 v2, vcc, 0, v1, vcc
-; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v0, 3, 0
-; GFX9-NEXT:    v_mad_u64_u32 v[1:2], s[4:5], v2, 3, v[1:2]
-; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, v5, v0
-; GFX9-NEXT:    v_subb_co_u32_e32 v1, vcc, v7, v1, vcc
-; GFX9-NEXT:    v_subrev_co_u32_e32 v2, vcc, 3, v0
-; GFX9-NEXT:    v_subbrev_co_u32_e32 v3, vcc, 0, v1, vcc
-; GFX9-NEXT:    v_subrev_co_u32_e32 v5, vcc, 3, v2
-; GFX9-NEXT:    v_subbrev_co_u32_e32 v6, vcc, 0, v3, vcc
-; GFX9-NEXT:    v_cmp_lt_u32_e32 vcc, 2, v2
-; GFX9-NEXT:    v_cndmask_b32_e64 v7, 0, -1, vcc
-; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v3
-; GFX9-NEXT:    v_cndmask_b32_e32 v7, -1, v7, vcc
-; GFX9-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v7
-; GFX9-NEXT:    v_cmp_lt_u32_e64 s[4:5], 2, v0
-; GFX9-NEXT:    v_cndmask_b32_e32 v3, v3, v6, vcc
-; GFX9-NEXT:    v_cndmask_b32_e64 v6, 0, -1, s[4:5]
-; GFX9-NEXT:    v_cmp_eq_u32_e64 s[4:5], 0, v1
-; GFX9-NEXT:    v_cndmask_b32_e64 v6, -1, v6, s[4:5]
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[4:5], 0, v6
-; GFX9-NEXT:    v_cndmask_b32_e32 v2, v2, v5, vcc
-; GFX9-NEXT:    v_cndmask_b32_e64 v0, v0, v2, s[4:5]
-; GFX9-NEXT:    v_cndmask_b32_e64 v1, v1, v3, s[4:5]
-; GFX9-NEXT:    v_xor_b32_e32 v0, v0, v4
-; GFX9-NEXT:    v_xor_b32_e32 v1, v1, v4
-; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v4
-; GFX9-NEXT:    v_subb_co_u32_e32 v1, vcc, v1, v4, vcc
+; GFX9-NEXT:    v_mul_lo_u32 v5, v4, s7
+; GFX9-NEXT:    v_mov_b32_e32 v2, v3
+; GFX9-NEXT:    v_add_co_u32_e32 v2, vcc, v6, v2
+; GFX9-NEXT:    v_addc_co_u32_e64 v3, s[4:5], 0, 0, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v1, s7, v[2:3]
+; GFX9-NEXT:    v_mul_lo_u32 v6, v4, s6
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v4, s6, v[2:3]
+; GFX9-NEXT:    v_add3_u32 v3, v6, v3, v5
+; GFX9-NEXT:    v_lshrrev_b32_e32 v4, 31, v3
+; GFX9-NEXT:    v_add_co_u32_e32 v2, vcc, v2, v4
+; GFX9-NEXT:    v_addc_co_u32_e32 v4, vcc, 0, v3, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v2, 3, 0
+; GFX9-NEXT:    v_mad_u64_u32 v[3:4], s[4:5], v4, 3, v[3:4]
+; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v2
+; GFX9-NEXT:    v_subb_co_u32_e32 v1, vcc, v1, v3, vcc
 ; GFX9-NEXT:    s_setpc_b64 s[30:31]
 ;
 ; GFX942-LABEL: srem64_6:
 ; GFX942:       ; %bb.0: ; %entry
 ; GFX942-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX942-NEXT:    s_add_u32 s0, 0, 0x55500000
-; GFX942-NEXT:    s_addc_u32 s1, 0, 0x155
-; GFX942-NEXT:    s_or_b32 s1, s1, 0x55555400
-; GFX942-NEXT:    s_mul_hi_u32 s5, s0, -3
-; GFX942-NEXT:    s_mul_i32 s6, s1, -3
-; GFX942-NEXT:    s_add_i32 s5, s5, s6
-; GFX942-NEXT:    s_mul_i32 s2, s0, -3
-; GFX942-NEXT:    s_sub_i32 s5, s5, s0
-; GFX942-NEXT:    s_mul_hi_u32 s3, s1, s2
-; GFX942-NEXT:    s_mul_i32 s4, s1, s2
-; GFX942-NEXT:    s_mul_i32 s7, s0, s5
-; GFX942-NEXT:    s_mul_hi_u32 s2, s0, s2
-; GFX942-NEXT:    s_mul_hi_u32 s6, s0, s5
-; GFX942-NEXT:    s_add_u32 s2, s2, s7
-; GFX942-NEXT:    s_addc_u32 s6, 0, s6
-; GFX942-NEXT:    s_add_u32 s2, s2, s4
-; GFX942-NEXT:    s_mul_hi_u32 s7, s1, s5
-; GFX942-NEXT:    s_addc_u32 s2, s6, s3
-; GFX942-NEXT:    s_addc_u32 s3, s7, 0
-; GFX942-NEXT:    s_mul_i32 s4, s1, s5
-; GFX942-NEXT:    s_add_u32 s2, s2, s4
-; GFX942-NEXT:    v_mov_b32_e32 v2, s2
-; GFX942-NEXT:    v_add_co_u32_e32 v8, vcc, s0, v2
+; GFX942-NEXT:    s_mov_b32 s2, 0x55555556
+; GFX942-NEXT:    v_mul_hi_u32 v2, v0, s2
+; GFX942-NEXT:    v_mov_b32_e32 v3, 0
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v1, s2, v[2:3]
+; GFX942-NEXT:    v_mov_b32_e32 v2, v5
+; GFX942-NEXT:    v_mov_b32_e32 v5, v3
+; GFX942-NEXT:    s_mov_b32 s3, 0x55555555
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v0, s3, v[4:5]
+; GFX942-NEXT:    v_mov_b32_e32 v4, v5
+; GFX942-NEXT:    v_mov_b32_e32 v5, v3
+; GFX942-NEXT:    v_lshl_add_u64 v[4:5], v[2:3], 0, v[4:5]
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v1, s3, v[4:5]
 ; GFX942-NEXT:    v_ashrrev_i32_e32 v2, 31, v1
-; GFX942-NEXT:    s_addc_u32 s3, 0, s3
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v2, s2, v[4:5]
+; GFX942-NEXT:    v_mul_lo_u32 v6, v2, s3
+; GFX942-NEXT:    v_mul_lo_u32 v2, v2, s2
+; GFX942-NEXT:    v_add3_u32 v5, v2, v5, v6
+; GFX942-NEXT:    v_lshrrev_b32_e32 v2, 31, v5
+; GFX942-NEXT:    v_lshl_add_u64 v[2:3], v[4:5], 0, v[2:3]
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v2, 3, 0
+; GFX942-NEXT:    v_mov_b32_e32 v2, v5
+; GFX942-NEXT:    v_mad_u64_u32 v[2:3], s[0:1], v3, 3, v[2:3]
 ; GFX942-NEXT:    v_mov_b32_e32 v3, v2
-; GFX942-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX942-NEXT:    v_lshl_add_u64 v[0:1], v[0:1], 0, v[2:3]
-; GFX942-NEXT:    s_addc_u32 s2, s1, s3
-; GFX942-NEXT:    v_xor_b32_e32 v10, v0, v2
-; GFX942-NEXT:    v_xor_b32_e32 v3, v1, v2
-; GFX942-NEXT:    v_mad_u64_u32 v[0:1], s[0:1], v10, s2, 0
-; GFX942-NEXT:    v_mul_hi_u32 v4, v10, v8
-; GFX942-NEXT:    v_mov_b32_e32 v5, 0
-; GFX942-NEXT:    v_lshl_add_u64 v[0:1], v[4:5], 0, v[0:1]
-; GFX942-NEXT:    v_mad_u64_u32 v[8:9], s[0:1], v3, v8, 0
-; GFX942-NEXT:    v_add_co_u32_e32 v0, vcc, v0, v8
-; GFX942-NEXT:    v_mad_u64_u32 v[6:7], s[0:1], v3, s2, 0
-; GFX942-NEXT:    s_nop 0
-; GFX942-NEXT:    v_addc_co_u32_e32 v4, vcc, v1, v9, vcc
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_addc_co_u32_e32 v7, vcc, 0, v7, vcc
-; GFX942-NEXT:    v_lshl_add_u64 v[0:1], v[4:5], 0, v[6:7]
-; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v0, 3, 0
-; GFX942-NEXT:    v_mov_b32_e32 v0, v5
-; GFX942-NEXT:    v_mad_u64_u32 v[0:1], s[0:1], v1, 3, v[0:1]
-; GFX942-NEXT:    v_sub_co_u32_e32 v1, vcc, v10, v4
-; GFX942-NEXT:    v_cmp_lt_u32_e64 s[0:1], 2, v1
-; GFX942-NEXT:    s_nop 0
-; GFX942-NEXT:    v_subb_co_u32_e32 v0, vcc, v3, v0, vcc
-; GFX942-NEXT:    v_subrev_co_u32_e32 v3, vcc, 3, v1
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_subbrev_co_u32_e32 v4, vcc, 0, v0, vcc
-; GFX942-NEXT:    v_subrev_co_u32_e32 v5, vcc, 3, v3
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_subbrev_co_u32_e32 v6, vcc, 0, v4, vcc
-; GFX942-NEXT:    v_cmp_lt_u32_e32 vcc, 2, v3
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e64 v7, 0, -1, vcc
-; GFX942-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v4
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e32 v7, -1, v7, vcc
-; GFX942-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v7
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e32 v4, v4, v6, vcc
-; GFX942-NEXT:    v_cndmask_b32_e64 v6, 0, -1, s[0:1]
-; GFX942-NEXT:    v_cmp_eq_u32_e64 s[0:1], 0, v0
-; GFX942-NEXT:    v_cndmask_b32_e32 v3, v3, v5, vcc
-; GFX942-NEXT:    s_nop 0
-; GFX942-NEXT:    v_cndmask_b32_e64 v6, -1, v6, s[0:1]
-; GFX942-NEXT:    v_cmp_ne_u32_e64 s[0:1], 0, v6
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e64 v0, v0, v4, s[0:1]
-; GFX942-NEXT:    v_cndmask_b32_e64 v1, v1, v3, s[0:1]
-; GFX942-NEXT:    v_xor_b32_e32 v3, v0, v2
-; GFX942-NEXT:    v_xor_b32_e32 v0, v1, v2
-; GFX942-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v2
+; GFX942-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v4
 ; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_subb_co_u32_e32 v1, vcc, v3, v2, vcc
+; GFX942-NEXT:    v_subb_co_u32_e32 v1, vcc, v1, v3, vcc
 ; GFX942-NEXT:    s_setpc_b64 s[30:31]
 ;
 ; GFX1030-LABEL: srem64_6:
 ; GFX1030:       ; %bb.0: ; %entry
 ; GFX1030-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX1030-NEXT:    s_add_u32 s4, 0, 0x55500000
-; GFX1030-NEXT:    s_addc_u32 s5, 0, 0x155
-; GFX1030-NEXT:    s_mul_hi_u32 s6, s4, -3
-; GFX1030-NEXT:    s_or_b32 s5, s5, 0x55555400
-; GFX1030-NEXT:    s_mul_i32 s8, s4, -3
-; GFX1030-NEXT:    s_mul_i32 s7, s5, -3
-; GFX1030-NEXT:    s_mul_i32 s9, s5, s8
-; GFX1030-NEXT:    s_add_i32 s6, s6, s7
-; GFX1030-NEXT:    s_mul_hi_u32 s7, s5, s8
-; GFX1030-NEXT:    s_sub_i32 s6, s6, s4
-; GFX1030-NEXT:    s_mul_hi_u32 s8, s4, s8
-; GFX1030-NEXT:    s_mul_i32 s10, s4, s6
+; GFX1030-NEXT:    v_mul_hi_u32 v2, 0x55555556, v0
+; GFX1030-NEXT:    v_mov_b32_e32 v3, 0
+; GFX1030-NEXT:    v_mad_u64_u32 v[4:5], null, 0x55555556, v1, v[2:3]
+; GFX1030-NEXT:    v_mov_b32_e32 v6, v5
+; GFX1030-NEXT:    v_mov_b32_e32 v5, v3
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, 0x55555555, v0, v[4:5]
 ; GFX1030-NEXT:    v_ashrrev_i32_e32 v4, 31, v1
-; GFX1030-NEXT:    s_mul_hi_u32 s11, s4, s6
-; GFX1030-NEXT:    s_add_u32 s8, s8, s10
-; GFX1030-NEXT:    s_addc_u32 s10, 0, s11
-; GFX1030-NEXT:    s_mul_hi_u32 s11, s5, s6
-; GFX1030-NEXT:    s_add_u32 s8, s8, s9
-; GFX1030-NEXT:    s_addc_u32 s7, s10, s7
-; GFX1030-NEXT:    s_mul_i32 s6, s5, s6
-; GFX1030-NEXT:    v_add_co_u32 v0, vcc_lo, v0, v4
-; GFX1030-NEXT:    s_addc_u32 s8, s11, 0
-; GFX1030-NEXT:    s_add_u32 s6, s7, s6
-; GFX1030-NEXT:    s_addc_u32 s7, 0, s8
-; GFX1030-NEXT:    v_add_co_u32 v2, s4, s4, s6
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v3, vcc_lo, v1, v4, vcc_lo
-; GFX1030-NEXT:    v_xor_b32_e32 v5, v0, v4
-; GFX1030-NEXT:    s_cmp_lg_u32 s4, 0
-; GFX1030-NEXT:    s_addc_u32 s4, s5, s7
-; GFX1030-NEXT:    v_xor_b32_e32 v7, v3, v4
-; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, v5, s4, 0
-; GFX1030-NEXT:    v_mul_hi_u32 v6, v5, v2
-; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v7, v2, 0
-; GFX1030-NEXT:    v_add_co_u32 v6, vcc_lo, v6, v0
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v8, vcc_lo, 0, v1, vcc_lo
-; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, v7, s4, 0
-; GFX1030-NEXT:    v_add_co_u32 v2, vcc_lo, v6, v2
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v2, vcc_lo, v8, v3, vcc_lo
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v1, vcc_lo, 0, v1, vcc_lo
-; GFX1030-NEXT:    v_add_co_u32 v0, vcc_lo, v2, v0
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v2, vcc_lo, 0, v1, vcc_lo
-; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, v0, 3, 0
-; GFX1030-NEXT:    v_mad_u64_u32 v[1:2], null, v2, 3, v[1:2]
-; GFX1030-NEXT:    v_sub_co_u32 v0, vcc_lo, v5, v0
-; GFX1030-NEXT:    v_sub_co_ci_u32_e32 v1, vcc_lo, v7, v1, vcc_lo
-; GFX1030-NEXT:    v_sub_co_u32 v2, vcc_lo, v0, 3
-; GFX1030-NEXT:    v_subrev_co_ci_u32_e32 v3, vcc_lo, 0, v1, vcc_lo
-; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 2, v2
-; GFX1030-NEXT:    v_cmp_eq_u32_e64 s4, 0, v1
-; GFX1030-NEXT:    v_cndmask_b32_e64 v5, 0, -1, vcc_lo
-; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 2, v0
-; GFX1030-NEXT:    v_cndmask_b32_e64 v6, 0, -1, vcc_lo
-; GFX1030-NEXT:    v_cmp_eq_u32_e32 vcc_lo, 0, v3
-; GFX1030-NEXT:    v_cndmask_b32_e32 v5, -1, v5, vcc_lo
-; GFX1030-NEXT:    v_sub_co_u32 v7, vcc_lo, v2, 3
-; GFX1030-NEXT:    v_subrev_co_ci_u32_e32 v8, vcc_lo, 0, v3, vcc_lo
-; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v5
-; GFX1030-NEXT:    v_cndmask_b32_e64 v5, -1, v6, s4
-; GFX1030-NEXT:    v_cndmask_b32_e32 v3, v3, v8, vcc_lo
-; GFX1030-NEXT:    v_cndmask_b32_e32 v2, v2, v7, vcc_lo
-; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v5
-; GFX1030-NEXT:    v_cndmask_b32_e32 v0, v0, v2, vcc_lo
-; GFX1030-NEXT:    v_cndmask_b32_e32 v1, v1, v3, vcc_lo
-; GFX1030-NEXT:    v_xor_b32_e32 v0, v0, v4
-; GFX1030-NEXT:    v_xor_b32_e32 v1, v1, v4
-; GFX1030-NEXT:    v_sub_co_u32 v0, vcc_lo, v0, v4
-; GFX1030-NEXT:    v_sub_co_ci_u32_e32 v1, vcc_lo, v1, v4, vcc_lo
+; GFX1030-NEXT:    v_mul_lo_u32 v5, 0x55555555, v4
+; GFX1030-NEXT:    v_mov_b32_e32 v2, v3
+; GFX1030-NEXT:    v_add_co_u32 v2, s4, v6, v2
+; GFX1030-NEXT:    v_add_co_ci_u32_e64 v3, null, 0, 0, s4
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, 0x55555555, v1, v[2:3]
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, 0x55555556, v4, v[2:3]
+; GFX1030-NEXT:    v_mul_lo_u32 v4, 0x55555556, v4
+; GFX1030-NEXT:    v_add3_u32 v3, v4, v3, v5
+; GFX1030-NEXT:    v_lshrrev_b32_e32 v4, 31, v3
+; GFX1030-NEXT:    v_add_co_u32 v2, vcc_lo, v2, v4
+; GFX1030-NEXT:    v_add_co_ci_u32_e32 v4, vcc_lo, 0, v3, vcc_lo
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v2, 3, 0
+; GFX1030-NEXT:    v_mad_u64_u32 v[3:4], null, v4, 3, v[3:4]
+; GFX1030-NEXT:    v_sub_co_u32 v0, vcc_lo, v0, v2
+; GFX1030-NEXT:    v_sub_co_ci_u32_e32 v1, vcc_lo, v1, v3, vcc_lo
 ; GFX1030-NEXT:    s_setpc_b64 s[30:31]
 entry:
   %rem = srem i64 %i, 3
@@ -477,202 +193,73 @@ define noundef i64 @urem64_3(i64 noundef %i)  {
 ; GFX9-LABEL: urem64_3:
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX9-NEXT:    s_add_u32 s4, 0, 0x55500000
-; GFX9-NEXT:    s_addc_u32 s5, 0, 0x155
-; GFX9-NEXT:    s_add_i32 s5, s5, 0x55555400
-; GFX9-NEXT:    s_mul_hi_u32 s9, s4, -3
-; GFX9-NEXT:    s_sub_i32 s9, s9, s4
-; GFX9-NEXT:    s_mul_i32 s10, s5, -3
-; GFX9-NEXT:    s_mul_i32 s6, s4, -3
-; GFX9-NEXT:    s_add_i32 s9, s9, s10
-; GFX9-NEXT:    s_mul_hi_u32 s7, s5, s6
-; GFX9-NEXT:    s_mul_i32 s8, s5, s6
-; GFX9-NEXT:    s_mul_i32 s11, s4, s9
-; GFX9-NEXT:    s_mul_hi_u32 s6, s4, s6
-; GFX9-NEXT:    s_mul_hi_u32 s10, s4, s9
-; GFX9-NEXT:    s_add_u32 s6, s6, s11
-; GFX9-NEXT:    s_addc_u32 s10, 0, s10
-; GFX9-NEXT:    s_add_u32 s6, s6, s8
-; GFX9-NEXT:    s_mul_hi_u32 s11, s5, s9
-; GFX9-NEXT:    s_addc_u32 s6, s10, s7
-; GFX9-NEXT:    s_addc_u32 s7, s11, 0
-; GFX9-NEXT:    s_mul_i32 s8, s5, s9
-; GFX9-NEXT:    s_add_u32 s6, s6, s8
-; GFX9-NEXT:    v_mov_b32_e32 v2, s6
-; GFX9-NEXT:    s_addc_u32 s7, 0, s7
-; GFX9-NEXT:    v_add_co_u32_e32 v4, vcc, s4, v2
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    s_addc_u32 s6, s5, s7
-; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v0, s6, 0
-; GFX9-NEXT:    v_mul_hi_u32 v5, v0, v4
-; GFX9-NEXT:    v_add_co_u32_e32 v6, vcc, v5, v2
-; GFX9-NEXT:    v_addc_co_u32_e32 v7, vcc, 0, v3, vcc
-; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v1, v4, 0
-; GFX9-NEXT:    v_mad_u64_u32 v[4:5], s[4:5], v1, s6, 0
+; GFX9-NEXT:    s_mov_b32 s4, 0xaaaaaaab
+; GFX9-NEXT:    v_mul_hi_u32 v2, v0, s4
+; GFX9-NEXT:    v_mov_b32_e32 v3, 0
+; GFX9-NEXT:    s_mov_b32 s6, 0xaaaaaaaa
+; GFX9-NEXT:    v_mad_u64_u32 v[4:5], s[4:5], v1, s4, v[2:3]
+; GFX9-NEXT:    v_mov_b32_e32 v6, v5
+; GFX9-NEXT:    v_mov_b32_e32 v5, v3
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v0, s6, v[4:5]
+; GFX9-NEXT:    v_mov_b32_e32 v2, v3
 ; GFX9-NEXT:    v_add_co_u32_e32 v2, vcc, v6, v2
-; GFX9-NEXT:    v_addc_co_u32_e32 v2, vcc, v7, v3, vcc
-; GFX9-NEXT:    v_addc_co_u32_e32 v3, vcc, 0, v5, vcc
-; GFX9-NEXT:    v_add_co_u32_e32 v2, vcc, v2, v4
-; GFX9-NEXT:    v_addc_co_u32_e32 v4, vcc, 0, v3, vcc
-; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v2, 3, 0
-; GFX9-NEXT:    v_mad_u64_u32 v[3:4], s[4:5], v4, 3, v[3:4]
-; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v2
-; GFX9-NEXT:    v_subb_co_u32_e32 v1, vcc, v1, v3, vcc
-; GFX9-NEXT:    v_subrev_co_u32_e32 v2, vcc, 3, v0
-; GFX9-NEXT:    v_subbrev_co_u32_e32 v3, vcc, 0, v1, vcc
-; GFX9-NEXT:    v_subrev_co_u32_e32 v4, vcc, 3, v2
-; GFX9-NEXT:    v_subbrev_co_u32_e32 v5, vcc, 0, v3, vcc
-; GFX9-NEXT:    v_cmp_lt_u32_e32 vcc, 2, v2
-; GFX9-NEXT:    v_cndmask_b32_e64 v6, 0, -1, vcc
-; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v3
-; GFX9-NEXT:    v_cndmask_b32_e32 v6, -1, v6, vcc
-; GFX9-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v6
-; GFX9-NEXT:    v_cmp_lt_u32_e64 s[4:5], 2, v0
-; GFX9-NEXT:    v_cndmask_b32_e32 v3, v3, v5, vcc
-; GFX9-NEXT:    v_cndmask_b32_e64 v5, 0, -1, s[4:5]
-; GFX9-NEXT:    v_cmp_eq_u32_e64 s[4:5], 0, v1
-; GFX9-NEXT:    v_cndmask_b32_e64 v5, -1, v5, s[4:5]
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[4:5], 0, v5
-; GFX9-NEXT:    v_cndmask_b32_e32 v2, v2, v4, vcc
-; GFX9-NEXT:    v_cndmask_b32_e64 v1, v1, v3, s[4:5]
-; GFX9-NEXT:    v_cndmask_b32_e64 v0, v0, v2, s[4:5]
+; GFX9-NEXT:    v_addc_co_u32_e64 v3, s[4:5], 0, 0, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v1, s6, v[2:3]
+; GFX9-NEXT:    v_alignbit_b32 v2, v3, v2, 1
+; GFX9-NEXT:    v_mad_u64_u32 v[4:5], s[4:5], v2, 3, 0
+; GFX9-NEXT:    v_lshrrev_b32_e32 v3, 1, v3
+; GFX9-NEXT:    v_mov_b32_e32 v2, v5
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v3, 3, v[2:3]
+; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v4
+; GFX9-NEXT:    v_subb_co_u32_e32 v1, vcc, v1, v2, vcc
 ; GFX9-NEXT:    s_setpc_b64 s[30:31]
 ;
 ; GFX942-LABEL: urem64_3:
 ; GFX942:       ; %bb.0: ; %entry
 ; GFX942-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX942-NEXT:    s_add_u32 s0, 0, 0x55500000
-; GFX942-NEXT:    s_addc_u32 s1, 0, 0x155
-; GFX942-NEXT:    s_add_i32 s1, s1, 0x55555400
-; GFX942-NEXT:    s_mul_hi_u32 s5, s0, -3
-; GFX942-NEXT:    s_sub_i32 s5, s5, s0
-; GFX942-NEXT:    s_mul_i32 s6, s1, -3
-; GFX942-NEXT:    s_mul_i32 s2, s0, -3
-; GFX942-NEXT:    s_add_i32 s5, s5, s6
-; GFX942-NEXT:    s_mul_hi_u32 s3, s1, s2
-; GFX942-NEXT:    s_mul_i32 s4, s1, s2
-; GFX942-NEXT:    s_mul_i32 s7, s0, s5
-; GFX942-NEXT:    s_mul_hi_u32 s2, s0, s2
-; GFX942-NEXT:    s_mul_hi_u32 s6, s0, s5
-; GFX942-NEXT:    s_add_u32 s2, s2, s7
-; GFX942-NEXT:    s_addc_u32 s6, 0, s6
-; GFX942-NEXT:    s_add_u32 s2, s2, s4
-; GFX942-NEXT:    s_mul_hi_u32 s7, s1, s5
-; GFX942-NEXT:    s_addc_u32 s2, s6, s3
-; GFX942-NEXT:    s_addc_u32 s3, s7, 0
-; GFX942-NEXT:    s_mul_i32 s4, s1, s5
-; GFX942-NEXT:    s_add_u32 s2, s2, s4
-; GFX942-NEXT:    v_mov_b32_e32 v2, s2
-; GFX942-NEXT:    s_addc_u32 s3, 0, s3
-; GFX942-NEXT:    v_add_co_u32_e32 v8, vcc, s0, v2
-; GFX942-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX942-NEXT:    s_addc_u32 s2, s1, s3
-; GFX942-NEXT:    v_mad_u64_u32 v[2:3], s[0:1], v0, s2, 0
-; GFX942-NEXT:    v_mul_hi_u32 v4, v0, v8
-; GFX942-NEXT:    v_mov_b32_e32 v5, 0
-; GFX942-NEXT:    v_lshl_add_u64 v[2:3], v[4:5], 0, v[2:3]
-; GFX942-NEXT:    v_mad_u64_u32 v[8:9], s[0:1], v1, v8, 0
-; GFX942-NEXT:    v_add_co_u32_e32 v2, vcc, v2, v8
-; GFX942-NEXT:    v_mad_u64_u32 v[6:7], s[0:1], v1, s2, 0
-; GFX942-NEXT:    s_nop 0
-; GFX942-NEXT:    v_addc_co_u32_e32 v4, vcc, v3, v9, vcc
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_addc_co_u32_e32 v7, vcc, 0, v7, vcc
-; GFX942-NEXT:    v_lshl_add_u64 v[2:3], v[4:5], 0, v[6:7]
+; GFX942-NEXT:    s_mov_b32 s0, 0xaaaaaaab
+; GFX942-NEXT:    v_mul_hi_u32 v2, v0, s0
+; GFX942-NEXT:    v_mov_b32_e32 v3, 0
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v1, s0, v[2:3]
+; GFX942-NEXT:    v_mov_b32_e32 v2, v5
+; GFX942-NEXT:    v_mov_b32_e32 v5, v3
+; GFX942-NEXT:    s_mov_b32 s2, 0xaaaaaaaa
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v0, s2, v[4:5]
+; GFX942-NEXT:    v_mov_b32_e32 v4, v5
+; GFX942-NEXT:    v_mov_b32_e32 v5, v3
+; GFX942-NEXT:    v_lshl_add_u64 v[2:3], v[2:3], 0, v[4:5]
+; GFX942-NEXT:    v_mad_u64_u32 v[2:3], s[0:1], v1, s2, v[2:3]
+; GFX942-NEXT:    v_alignbit_b32 v2, v3, v2, 1
 ; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v2, 3, 0
 ; GFX942-NEXT:    v_mov_b32_e32 v2, v5
+; GFX942-NEXT:    v_lshrrev_b32_e32 v3, 1, v3
 ; GFX942-NEXT:    v_mad_u64_u32 v[2:3], s[0:1], v3, 3, v[2:3]
+; GFX942-NEXT:    v_mov_b32_e32 v3, v2
 ; GFX942-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v4
-; GFX942-NEXT:    v_cmp_lt_u32_e64 s[0:1], 2, v0
-; GFX942-NEXT:    s_nop 0
-; GFX942-NEXT:    v_subb_co_u32_e32 v1, vcc, v1, v2, vcc
-; GFX942-NEXT:    v_subrev_co_u32_e32 v2, vcc, 3, v0
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_subbrev_co_u32_e32 v3, vcc, 0, v1, vcc
-; GFX942-NEXT:    v_subrev_co_u32_e32 v4, vcc, 3, v2
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_subbrev_co_u32_e32 v5, vcc, 0, v3, vcc
-; GFX942-NEXT:    v_cmp_lt_u32_e32 vcc, 2, v2
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e64 v6, 0, -1, vcc
-; GFX942-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v3
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e32 v6, -1, v6, vcc
-; GFX942-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v6
 ; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e32 v3, v3, v5, vcc
-; GFX942-NEXT:    v_cndmask_b32_e64 v5, 0, -1, s[0:1]
-; GFX942-NEXT:    v_cmp_eq_u32_e64 s[0:1], 0, v1
-; GFX942-NEXT:    v_cndmask_b32_e32 v2, v2, v4, vcc
-; GFX942-NEXT:    s_nop 0
-; GFX942-NEXT:    v_cndmask_b32_e64 v5, -1, v5, s[0:1]
-; GFX942-NEXT:    v_cmp_ne_u32_e64 s[0:1], 0, v5
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e64 v1, v1, v3, s[0:1]
-; GFX942-NEXT:    v_cndmask_b32_e64 v0, v0, v2, s[0:1]
+; GFX942-NEXT:    v_subb_co_u32_e32 v1, vcc, v1, v3, vcc
 ; GFX942-NEXT:    s_setpc_b64 s[30:31]
 ;
 ; GFX1030-LABEL: urem64_3:
 ; GFX1030:       ; %bb.0: ; %entry
 ; GFX1030-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX1030-NEXT:    s_add_u32 s4, 0, 0x55500000
-; GFX1030-NEXT:    s_addc_u32 s5, 0, 0x155
-; GFX1030-NEXT:    s_mul_hi_u32 s7, s4, -3
-; GFX1030-NEXT:    s_add_i32 s5, s5, 0x55555400
-; GFX1030-NEXT:    s_sub_i32 s7, s7, s4
-; GFX1030-NEXT:    s_mul_i32 s8, s5, -3
-; GFX1030-NEXT:    s_mul_i32 s6, s4, -3
-; GFX1030-NEXT:    s_add_i32 s7, s7, s8
-; GFX1030-NEXT:    s_mul_hi_u32 s9, s5, s6
-; GFX1030-NEXT:    s_mul_i32 s8, s5, s6
-; GFX1030-NEXT:    s_mul_i32 s10, s4, s7
-; GFX1030-NEXT:    s_mul_hi_u32 s6, s4, s6
-; GFX1030-NEXT:    s_mul_hi_u32 s11, s4, s7
-; GFX1030-NEXT:    s_add_u32 s6, s6, s10
-; GFX1030-NEXT:    s_addc_u32 s10, 0, s11
-; GFX1030-NEXT:    s_mul_hi_u32 s11, s5, s7
-; GFX1030-NEXT:    s_add_u32 s6, s6, s8
-; GFX1030-NEXT:    s_addc_u32 s6, s10, s9
-; GFX1030-NEXT:    s_mul_i32 s7, s5, s7
-; GFX1030-NEXT:    s_addc_u32 s8, s11, 0
-; GFX1030-NEXT:    s_add_u32 s6, s6, s7
-; GFX1030-NEXT:    v_add_co_u32 v4, s4, s4, s6
-; GFX1030-NEXT:    s_addc_u32 s6, 0, s8
-; GFX1030-NEXT:    s_cmp_lg_u32 s4, 0
-; GFX1030-NEXT:    s_addc_u32 s4, s5, s6
-; GFX1030-NEXT:    v_mul_hi_u32 v6, v0, v4
-; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v0, s4, 0
-; GFX1030-NEXT:    v_mad_u64_u32 v[4:5], null, v1, v4, 0
-; GFX1030-NEXT:    v_add_co_u32 v6, vcc_lo, v6, v2
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v7, vcc_lo, 0, v3, vcc_lo
-; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v1, s4, 0
-; GFX1030-NEXT:    v_add_co_u32 v4, vcc_lo, v6, v4
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v4, vcc_lo, v7, v5, vcc_lo
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v3, vcc_lo, 0, v3, vcc_lo
-; GFX1030-NEXT:    v_add_co_u32 v2, vcc_lo, v4, v2
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v4, vcc_lo, 0, v3, vcc_lo
-; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v2, 3, 0
-; GFX1030-NEXT:    v_mad_u64_u32 v[3:4], null, v4, 3, v[3:4]
-; GFX1030-NEXT:    v_sub_co_u32 v0, vcc_lo, v0, v2
-; GFX1030-NEXT:    v_sub_co_ci_u32_e32 v1, vcc_lo, v1, v3, vcc_lo
-; GFX1030-NEXT:    v_sub_co_u32 v2, vcc_lo, v0, 3
-; GFX1030-NEXT:    v_subrev_co_ci_u32_e32 v3, vcc_lo, 0, v1, vcc_lo
-; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 2, v2
-; GFX1030-NEXT:    v_cmp_eq_u32_e64 s4, 0, v1
-; GFX1030-NEXT:    v_cndmask_b32_e64 v4, 0, -1, vcc_lo
-; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 2, v0
-; GFX1030-NEXT:    v_cndmask_b32_e64 v5, 0, -1, vcc_lo
-; GFX1030-NEXT:    v_cmp_eq_u32_e32 vcc_lo, 0, v3
-; GFX1030-NEXT:    v_cndmask_b32_e32 v4, -1, v4, vcc_lo
-; GFX1030-NEXT:    v_sub_co_u32 v6, vcc_lo, v2, 3
-; GFX1030-NEXT:    v_subrev_co_ci_u32_e32 v7, vcc_lo, 0, v3, vcc_lo
-; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v4
-; GFX1030-NEXT:    v_cndmask_b32_e64 v4, -1, v5, s4
-; GFX1030-NEXT:    v_cndmask_b32_e32 v3, v3, v7, vcc_lo
-; GFX1030-NEXT:    v_cndmask_b32_e32 v2, v2, v6, vcc_lo
-; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v4
-; GFX1030-NEXT:    v_cndmask_b32_e32 v1, v1, v3, vcc_lo
-; GFX1030-NEXT:    v_cndmask_b32_e32 v0, v0, v2, vcc_lo
+; GFX1030-NEXT:    v_mul_hi_u32 v2, 0xaaaaaaab, v0
+; GFX1030-NEXT:    v_mov_b32_e32 v3, 0
+; GFX1030-NEXT:    v_mad_u64_u32 v[4:5], null, 0xaaaaaaab, v1, v[2:3]
+; GFX1030-NEXT:    v_mov_b32_e32 v6, v5
+; GFX1030-NEXT:    v_mov_b32_e32 v5, v3
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, 0xaaaaaaaa, v0, v[4:5]
+; GFX1030-NEXT:    v_mov_b32_e32 v2, v3
+; GFX1030-NEXT:    v_add_co_u32 v2, s4, v6, v2
+; GFX1030-NEXT:    v_add_co_ci_u32_e64 v3, null, 0, 0, s4
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, 0xaaaaaaaa, v1, v[2:3]
+; GFX1030-NEXT:    v_alignbit_b32 v2, v3, v2, 1
+; GFX1030-NEXT:    v_lshrrev_b32_e32 v3, 1, v3
+; GFX1030-NEXT:    v_mad_u64_u32 v[4:5], null, v2, 3, 0
+; GFX1030-NEXT:    v_mov_b32_e32 v2, v5
+; GFX1030-NEXT:    v_sub_co_u32 v0, vcc_lo, v0, v4
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v3, 3, v[2:3]
+; GFX1030-NEXT:    v_sub_co_ci_u32_e32 v1, vcc_lo, v1, v2, vcc_lo
 ; GFX1030-NEXT:    s_setpc_b64 s[30:31]
 entry:
   %rem = urem i64 %i, 3
@@ -683,202 +270,73 @@ define noundef i64 @urem64_6(i64 noundef %i)  {
 ; GFX9-LABEL: urem64_6:
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX9-NEXT:    s_add_u32 s4, 0, 0xaaa80000
-; GFX9-NEXT:    s_addc_u32 s5, 0, 0xaa
-; GFX9-NEXT:    s_add_i32 s5, s5, 0x2aaaaa00
-; GFX9-NEXT:    s_mul_hi_u32 s9, s4, -6
-; GFX9-NEXT:    s_sub_i32 s9, s9, s4
-; GFX9-NEXT:    s_mul_i32 s10, s5, -6
-; GFX9-NEXT:    s_mul_i32 s6, s4, -6
-; GFX9-NEXT:    s_add_i32 s9, s9, s10
-; GFX9-NEXT:    s_mul_hi_u32 s7, s5, s6
-; GFX9-NEXT:    s_mul_i32 s8, s5, s6
-; GFX9-NEXT:    s_mul_i32 s11, s4, s9
-; GFX9-NEXT:    s_mul_hi_u32 s6, s4, s6
-; GFX9-NEXT:    s_mul_hi_u32 s10, s4, s9
-; GFX9-NEXT:    s_add_u32 s6, s6, s11
-; GFX9-NEXT:    s_addc_u32 s10, 0, s10
-; GFX9-NEXT:    s_add_u32 s6, s6, s8
-; GFX9-NEXT:    s_mul_hi_u32 s11, s5, s9
-; GFX9-NEXT:    s_addc_u32 s6, s10, s7
-; GFX9-NEXT:    s_addc_u32 s7, s11, 0
-; GFX9-NEXT:    s_mul_i32 s8, s5, s9
-; GFX9-NEXT:    s_add_u32 s6, s6, s8
-; GFX9-NEXT:    v_mov_b32_e32 v2, s6
-; GFX9-NEXT:    s_addc_u32 s7, 0, s7
-; GFX9-NEXT:    v_add_co_u32_e32 v4, vcc, s4, v2
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    s_addc_u32 s6, s5, s7
-; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v0, s6, 0
-; GFX9-NEXT:    v_mul_hi_u32 v5, v0, v4
-; GFX9-NEXT:    v_add_co_u32_e32 v6, vcc, v5, v2
-; GFX9-NEXT:    v_addc_co_u32_e32 v7, vcc, 0, v3, vcc
-; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v1, v4, 0
-; GFX9-NEXT:    v_mad_u64_u32 v[4:5], s[4:5], v1, s6, 0
+; GFX9-NEXT:    s_mov_b32 s4, 0xaaaaaaab
+; GFX9-NEXT:    v_mul_hi_u32 v2, v0, s4
+; GFX9-NEXT:    v_mov_b32_e32 v3, 0
+; GFX9-NEXT:    s_mov_b32 s6, 0xaaaaaaaa
+; GFX9-NEXT:    v_mad_u64_u32 v[4:5], s[4:5], v1, s4, v[2:3]
+; GFX9-NEXT:    v_mov_b32_e32 v6, v5
+; GFX9-NEXT:    v_mov_b32_e32 v5, v3
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v0, s6, v[4:5]
+; GFX9-NEXT:    v_mov_b32_e32 v2, v3
 ; GFX9-NEXT:    v_add_co_u32_e32 v2, vcc, v6, v2
-; GFX9-NEXT:    v_addc_co_u32_e32 v2, vcc, v7, v3, vcc
-; GFX9-NEXT:    v_addc_co_u32_e32 v3, vcc, 0, v5, vcc
-; GFX9-NEXT:    v_add_co_u32_e32 v2, vcc, v2, v4
-; GFX9-NEXT:    v_addc_co_u32_e32 v4, vcc, 0, v3, vcc
-; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v2, 6, 0
-; GFX9-NEXT:    v_mad_u64_u32 v[3:4], s[4:5], v4, 6, v[3:4]
-; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v2
-; GFX9-NEXT:    v_subb_co_u32_e32 v1, vcc, v1, v3, vcc
-; GFX9-NEXT:    v_subrev_co_u32_e32 v2, vcc, 6, v0
-; GFX9-NEXT:    v_subbrev_co_u32_e32 v3, vcc, 0, v1, vcc
-; GFX9-NEXT:    v_subrev_co_u32_e32 v4, vcc, 6, v2
-; GFX9-NEXT:    v_subbrev_co_u32_e32 v5, vcc, 0, v3, vcc
-; GFX9-NEXT:    v_cmp_lt_u32_e32 vcc, 5, v2
-; GFX9-NEXT:    v_cndmask_b32_e64 v6, 0, -1, vcc
-; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v3
-; GFX9-NEXT:    v_cndmask_b32_e32 v6, -1, v6, vcc
-; GFX9-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v6
-; GFX9-NEXT:    v_cmp_lt_u32_e64 s[4:5], 5, v0
-; GFX9-NEXT:    v_cndmask_b32_e32 v3, v3, v5, vcc
-; GFX9-NEXT:    v_cndmask_b32_e64 v5, 0, -1, s[4:5]
-; GFX9-NEXT:    v_cmp_eq_u32_e64 s[4:5], 0, v1
-; GFX9-NEXT:    v_cndmask_b32_e64 v5, -1, v5, s[4:5]
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[4:5], 0, v5
-; GFX9-NEXT:    v_cndmask_b32_e32 v2, v2, v4, vcc
-; GFX9-NEXT:    v_cndmask_b32_e64 v1, v1, v3, s[4:5]
-; GFX9-NEXT:    v_cndmask_b32_e64 v0, v0, v2, s[4:5]
+; GFX9-NEXT:    v_addc_co_u32_e64 v3, s[4:5], 0, 0, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v1, s6, v[2:3]
+; GFX9-NEXT:    v_alignbit_b32 v2, v3, v2, 2
+; GFX9-NEXT:    v_mad_u64_u32 v[4:5], s[4:5], v2, 6, 0
+; GFX9-NEXT:    v_lshrrev_b32_e32 v3, 2, v3
+; GFX9-NEXT:    v_mov_b32_e32 v2, v5
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v3, 6, v[2:3]
+; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v4
+; GFX9-NEXT:    v_subb_co_u32_e32 v1, vcc, v1, v2, vcc
 ; GFX9-NEXT:    s_setpc_b64 s[30:31]
 ;
 ; GFX942-LABEL: urem64_6:
 ; GFX942:       ; %bb.0: ; %entry
 ; GFX942-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX942-NEXT:    s_add_u32 s0, 0, 0xaaa80000
-; GFX942-NEXT:    s_addc_u32 s1, 0, 0xaa
-; GFX942-NEXT:    s_add_i32 s1, s1, 0x2aaaaa00
-; GFX942-NEXT:    s_mul_hi_u32 s5, s0, -6
-; GFX942-NEXT:    s_sub_i32 s5, s5, s0
-; GFX942-NEXT:    s_mul_i32 s6, s1, -6
-; GFX942-NEXT:    s_mul_i32 s2, s0, -6
-; GFX942-NEXT:    s_add_i32 s5, s5, s6
-; GFX942-NEXT:    s_mul_hi_u32 s3, s1, s2
-; GFX942-NEXT:    s_mul_i32 s4, s1, s2
-; GFX942-NEXT:    s_mul_i32 s7, s0, s5
-; GFX942-NEXT:    s_mul_hi_u32 s2, s0, s2
-; GFX942-NEXT:    s_mul_hi_u32 s6, s0, s5
-; GFX942-NEXT:    s_add_u32 s2, s2, s7
-; GFX942-NEXT:    s_addc_u32 s6, 0, s6
-; GFX942-NEXT:    s_add_u32 s2, s2, s4
-; GFX942-NEXT:    s_mul_hi_u32 s7, s1, s5
-; GFX942-NEXT:    s_addc_u32 s2, s6, s3
-; GFX942-NEXT:    s_addc_u32 s3, s7, 0
-; GFX942-NEXT:    s_mul_i32 s4, s1, s5
-; GFX942-NEXT:    s_add_u32 s2, s2, s4
-; GFX942-NEXT:    v_mov_b32_e32 v2, s2
-; GFX942-NEXT:    s_addc_u32 s3, 0, s3
-; GFX942-NEXT:    v_add_co_u32_e32 v8, vcc, s0, v2
-; GFX942-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX942-NEXT:    s_addc_u32 s2, s1, s3
-; GFX942-NEXT:    v_mad_u64_u32 v[2:3], s[0:1], v0, s2, 0
-; GFX942-NEXT:    v_mul_hi_u32 v4, v0, v8
-; GFX942-NEXT:    v_mov_b32_e32 v5, 0
-; GFX942-NEXT:    v_lshl_add_u64 v[2:3], v[4:5], 0, v[2:3]
-; GFX942-NEXT:    v_mad_u64_u32 v[8:9], s[0:1], v1, v8, 0
-; GFX942-NEXT:    v_add_co_u32_e32 v2, vcc, v2, v8
-; GFX942-NEXT:    v_mad_u64_u32 v[6:7], s[0:1], v1, s2, 0
-; GFX942-NEXT:    s_nop 0
-; GFX942-NEXT:    v_addc_co_u32_e32 v4, vcc, v3, v9, vcc
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_addc_co_u32_e32 v7, vcc, 0, v7, vcc
-; GFX942-NEXT:    v_lshl_add_u64 v[2:3], v[4:5], 0, v[6:7]
+; GFX942-NEXT:    s_mov_b32 s0, 0xaaaaaaab
+; GFX942-NEXT:    v_mul_hi_u32 v2, v0, s0
+; GFX942-NEXT:    v_mov_b32_e32 v3, 0
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v1, s0, v[2:3]
+; GFX942-NEXT:    v_mov_b32_e32 v2, v5
+; GFX942-NEXT:    v_mov_b32_e32 v5, v3
+; GFX942-NEXT:    s_mov_b32 s2, 0xaaaaaaaa
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v0, s2, v[4:5]
+; GFX942-NEXT:    v_mov_b32_e32 v4, v5
+; GFX942-NEXT:    v_mov_b32_e32 v5, v3
+; GFX942-NEXT:    v_lshl_add_u64 v[2:3], v[2:3], 0, v[4:5]
+; GFX942-NEXT:    v_mad_u64_u32 v[2:3], s[0:1], v1, s2, v[2:3]
+; GFX942-NEXT:    v_alignbit_b32 v2, v3, v2, 2
 ; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v2, 6, 0
 ; GFX942-NEXT:    v_mov_b32_e32 v2, v5
+; GFX942-NEXT:    v_lshrrev_b32_e32 v3, 2, v3
 ; GFX942-NEXT:    v_mad_u64_u32 v[2:3], s[0:1], v3, 6, v[2:3]
+; GFX942-NEXT:    v_mov_b32_e32 v3, v2
 ; GFX942-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v4
-; GFX942-NEXT:    v_cmp_lt_u32_e64 s[0:1], 5, v0
-; GFX942-NEXT:    s_nop 0
-; GFX942-NEXT:    v_subb_co_u32_e32 v1, vcc, v1, v2, vcc
-; GFX942-NEXT:    v_subrev_co_u32_e32 v2, vcc, 6, v0
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_subbrev_co_u32_e32 v3, vcc, 0, v1, vcc
-; GFX942-NEXT:    v_subrev_co_u32_e32 v4, vcc, 6, v2
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_subbrev_co_u32_e32 v5, vcc, 0, v3, vcc
-; GFX942-NEXT:    v_cmp_lt_u32_e32 vcc, 5, v2
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e64 v6, 0, -1, vcc
-; GFX942-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v3
 ; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e32 v6, -1, v6, vcc
-; GFX942-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v6
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e32 v3, v3, v5, vcc
-; GFX942-NEXT:    v_cndmask_b32_e64 v5, 0, -1, s[0:1]
-; GFX942-NEXT:    v_cmp_eq_u32_e64 s[0:1], 0, v1
-; GFX942-NEXT:    v_cndmask_b32_e32 v2, v2, v4, vcc
-; GFX942-NEXT:    s_nop 0
-; GFX942-NEXT:    v_cndmask_b32_e64 v5, -1, v5, s[0:1]
-; GFX942-NEXT:    v_cmp_ne_u32_e64 s[0:1], 0, v5
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e64 v1, v1, v3, s[0:1]
-; GFX942-NEXT:    v_cndmask_b32_e64 v0, v0, v2, s[0:1]
+; GFX942-NEXT:    v_subb_co_u32_e32 v1, vcc, v1, v3, vcc
 ; GFX942-NEXT:    s_setpc_b64 s[30:31]
 ;
 ; GFX1030-LABEL: urem64_6:
 ; GFX1030:       ; %bb.0: ; %entry
 ; GFX1030-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX1030-NEXT:    s_add_u32 s4, 0, 0xaaa80000
-; GFX1030-NEXT:    s_addc_u32 s5, 0, 0xaa
-; GFX1030-NEXT:    s_mul_hi_u32 s7, s4, -6
-; GFX1030-NEXT:    s_add_i32 s5, s5, 0x2aaaaa00
-; GFX1030-NEXT:    s_sub_i32 s7, s7, s4
-; GFX1030-NEXT:    s_mul_i32 s8, s5, -6
-; GFX1030-NEXT:    s_mul_i32 s6, s4, -6
-; GFX1030-NEXT:    s_add_i32 s7, s7, s8
-; GFX1030-NEXT:    s_mul_hi_u32 s9, s5, s6
-; GFX1030-NEXT:    s_mul_i32 s8, s5, s6
-; GFX1030-NEXT:    s_mul_i32 s10, s4, s7
-; GFX1030-NEXT:    s_mul_hi_u32 s6, s4, s6
-; GFX1030-NEXT:    s_mul_hi_u32 s11, s4, s7
-; GFX1030-NEXT:    s_add_u32 s6, s6, s10
-; GFX1030-NEXT:    s_addc_u32 s10, 0, s11
-; GFX1030-NEXT:    s_mul_hi_u32 s11, s5, s7
-; GFX1030-NEXT:    s_add_u32 s6, s6, s8
-; GFX1030-NEXT:    s_addc_u32 s6, s10, s9
-; GFX1030-NEXT:    s_mul_i32 s7, s5, s7
-; GFX1030-NEXT:    s_addc_u32 s8, s11, 0
-; GFX1030-NEXT:    s_add_u32 s6, s6, s7
-; GFX1030-NEXT:    v_add_co_u32 v4, s4, s4, s6
-; GFX1030-NEXT:    s_addc_u32 s6, 0, s8
-; GFX1030-NEXT:    s_cmp_lg_u32 s4, 0
-; GFX1030-NEXT:    s_addc_u32 s4, s5, s6
-; GFX1030-NEXT:    v_mul_hi_u32 v6, v0, v4
-; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v0, s4, 0
-; GFX1030-NEXT:    v_mad_u64_u32 v[4:5], null, v1, v4, 0
-; GFX1030-NEXT:    v_add_co_u32 v6, vcc_lo, v6, v2
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v7, vcc_lo, 0, v3, vcc_lo
-; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v1, s4, 0
-; GFX1030-NEXT:    v_add_co_u32 v4, vcc_lo, v6, v4
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v4, vcc_lo, v7, v5, vcc_lo
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v3, vcc_lo, 0, v3, vcc_lo
-; GFX1030-NEXT:    v_add_co_u32 v2, vcc_lo, v4, v2
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v4, vcc_lo, 0, v3, vcc_lo
-; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v2, 6, 0
-; GFX1030-NEXT:    v_mad_u64_u32 v[3:4], null, v4, 6, v[3:4]
-; GFX1030-NEXT:    v_sub_co_u32 v0, vcc_lo, v0, v2
-; GFX1030-NEXT:    v_sub_co_ci_u32_e32 v1, vcc_lo, v1, v3, vcc_lo
-; GFX1030-NEXT:    v_sub_co_u32 v2, vcc_lo, v0, 6
-; GFX1030-NEXT:    v_subrev_co_ci_u32_e32 v3, vcc_lo, 0, v1, vcc_lo
-; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 5, v2
-; GFX1030-NEXT:    v_cmp_eq_u32_e64 s4, 0, v1
-; GFX1030-NEXT:    v_cndmask_b32_e64 v4, 0, -1, vcc_lo
-; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 5, v0
-; GFX1030-NEXT:    v_cndmask_b32_e64 v5, 0, -1, vcc_lo
-; GFX1030-NEXT:    v_cmp_eq_u32_e32 vcc_lo, 0, v3
-; GFX1030-NEXT:    v_cndmask_b32_e32 v4, -1, v4, vcc_lo
-; GFX1030-NEXT:    v_sub_co_u32 v6, vcc_lo, v2, 6
-; GFX1030-NEXT:    v_subrev_co_ci_u32_e32 v7, vcc_lo, 0, v3, vcc_lo
-; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v4
-; GFX1030-NEXT:    v_cndmask_b32_e64 v4, -1, v5, s4
-; GFX1030-NEXT:    v_cndmask_b32_e32 v3, v3, v7, vcc_lo
-; GFX1030-NEXT:    v_cndmask_b32_e32 v2, v2, v6, vcc_lo
-; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v4
-; GFX1030-NEXT:    v_cndmask_b32_e32 v1, v1, v3, vcc_lo
-; GFX1030-NEXT:    v_cndmask_b32_e32 v0, v0, v2, vcc_lo
+; GFX1030-NEXT:    v_mul_hi_u32 v2, 0xaaaaaaab, v0
+; GFX1030-NEXT:    v_mov_b32_e32 v3, 0
+; GFX1030-NEXT:    v_mad_u64_u32 v[4:5], null, 0xaaaaaaab, v1, v[2:3]
+; GFX1030-NEXT:    v_mov_b32_e32 v6, v5
+; GFX1030-NEXT:    v_mov_b32_e32 v5, v3
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, 0xaaaaaaaa, v0, v[4:5]
+; GFX1030-NEXT:    v_mov_b32_e32 v2, v3
+; GFX1030-NEXT:    v_add_co_u32 v2, s4, v6, v2
+; GFX1030-NEXT:    v_add_co_ci_u32_e64 v3, null, 0, 0, s4
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, 0xaaaaaaaa, v1, v[2:3]
+; GFX1030-NEXT:    v_alignbit_b32 v2, v3, v2, 2
+; GFX1030-NEXT:    v_lshrrev_b32_e32 v3, 2, v3
+; GFX1030-NEXT:    v_mad_u64_u32 v[4:5], null, v2, 6, 0
+; GFX1030-NEXT:    v_mov_b32_e32 v2, v5
+; GFX1030-NEXT:    v_sub_co_u32 v0, vcc_lo, v0, v4
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v3, 6, v[2:3]
+; GFX1030-NEXT:    v_sub_co_ci_u32_e32 v1, vcc_lo, v1, v2, vcc_lo
 ; GFX1030-NEXT:    s_setpc_b64 s[30:31]
 entry:
   %rem = urem i64 %i, 6
@@ -889,233 +347,73 @@ define noundef i64 @sdiv64_3(i64 noundef %i)  {
 ; GFX9-LABEL: sdiv64_3:
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX9-NEXT:    s_add_u32 s4, 0, 0x55500000
-; GFX9-NEXT:    s_addc_u32 s5, 0, 0x155
-; GFX9-NEXT:    s_or_b32 s5, s5, 0x55555400
-; GFX9-NEXT:    s_mul_hi_u32 s9, s4, -3
-; GFX9-NEXT:    s_mul_i32 s10, s5, -3
-; GFX9-NEXT:    s_add_i32 s9, s9, s10
-; GFX9-NEXT:    s_mul_i32 s6, s4, -3
-; GFX9-NEXT:    s_sub_i32 s9, s9, s4
-; GFX9-NEXT:    s_mul_hi_u32 s7, s5, s6
-; GFX9-NEXT:    s_mul_i32 s8, s5, s6
-; GFX9-NEXT:    s_mul_i32 s11, s4, s9
-; GFX9-NEXT:    s_mul_hi_u32 s6, s4, s6
-; GFX9-NEXT:    s_mul_hi_u32 s10, s4, s9
-; GFX9-NEXT:    s_add_u32 s6, s6, s11
-; GFX9-NEXT:    s_addc_u32 s10, 0, s10
-; GFX9-NEXT:    s_add_u32 s6, s6, s8
-; GFX9-NEXT:    s_mul_hi_u32 s11, s5, s9
-; GFX9-NEXT:    s_addc_u32 s6, s10, s7
-; GFX9-NEXT:    s_addc_u32 s7, s11, 0
-; GFX9-NEXT:    s_mul_i32 s8, s5, s9
-; GFX9-NEXT:    s_add_u32 s6, s6, s8
-; GFX9-NEXT:    v_mov_b32_e32 v2, s6
-; GFX9-NEXT:    s_addc_u32 s7, 0, s7
-; GFX9-NEXT:    v_add_co_u32_e32 v2, vcc, s4, v2
-; GFX9-NEXT:    v_ashrrev_i32_e32 v4, 31, v1
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, v0, v4
-; GFX9-NEXT:    s_addc_u32 s6, s5, s7
-; GFX9-NEXT:    v_xor_b32_e32 v5, v0, v4
-; GFX9-NEXT:    v_addc_co_u32_e32 v3, vcc, v1, v4, vcc
-; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v5, s6, 0
-; GFX9-NEXT:    v_mul_hi_u32 v6, v5, v2
-; GFX9-NEXT:    v_xor_b32_e32 v7, v3, v4
-; GFX9-NEXT:    v_add_co_u32_e32 v6, vcc, v6, v0
-; GFX9-NEXT:    v_addc_co_u32_e32 v8, vcc, 0, v1, vcc
-; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v7, v2, 0
-; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v7, s6, 0
-; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, v6, v0
-; GFX9-NEXT:    v_addc_co_u32_e32 v0, vcc, v8, v1, vcc
-; GFX9-NEXT:    v_addc_co_u32_e32 v1, vcc, 0, v3, vcc
-; GFX9-NEXT:    v_add_co_u32_e32 v3, vcc, v0, v2
-; GFX9-NEXT:    v_addc_co_u32_e32 v6, vcc, 0, v1, vcc
-; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v3, 3, 0
-; GFX9-NEXT:    v_mad_u64_u32 v[1:2], s[4:5], v6, 3, v[1:2]
-; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, v5, v0
-; GFX9-NEXT:    v_subb_co_u32_e32 v1, vcc, v7, v1, vcc
-; GFX9-NEXT:    v_subrev_co_u32_e32 v2, vcc, 3, v0
-; GFX9-NEXT:    v_subbrev_co_u32_e32 v5, vcc, 0, v1, vcc
-; GFX9-NEXT:    v_cmp_lt_u32_e32 vcc, 2, v2
-; GFX9-NEXT:    v_cndmask_b32_e64 v2, 0, -1, vcc
-; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v5
-; GFX9-NEXT:    v_cndmask_b32_e32 v2, -1, v2, vcc
-; GFX9-NEXT:    v_add_co_u32_e32 v5, vcc, 2, v3
-; GFX9-NEXT:    v_addc_co_u32_e32 v7, vcc, 0, v6, vcc
-; GFX9-NEXT:    v_add_co_u32_e32 v8, vcc, 1, v3
-; GFX9-NEXT:    v_cmp_lt_u32_e64 s[4:5], 2, v0
-; GFX9-NEXT:    v_addc_co_u32_e32 v9, vcc, 0, v6, vcc
-; GFX9-NEXT:    v_cndmask_b32_e64 v0, 0, -1, s[4:5]
-; GFX9-NEXT:    v_cmp_eq_u32_e64 s[4:5], 0, v1
-; GFX9-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v2
-; GFX9-NEXT:    v_cndmask_b32_e64 v0, -1, v0, s[4:5]
-; GFX9-NEXT:    v_cndmask_b32_e32 v2, v9, v7, vcc
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[4:5], 0, v0
-; GFX9-NEXT:    v_cndmask_b32_e32 v1, v8, v5, vcc
-; GFX9-NEXT:    v_cndmask_b32_e64 v0, v6, v2, s[4:5]
-; GFX9-NEXT:    v_cndmask_b32_e64 v1, v3, v1, s[4:5]
-; GFX9-NEXT:    v_xor_b32_e32 v2, v0, v4
-; GFX9-NEXT:    v_xor_b32_e32 v0, v1, v4
-; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v4
-; GFX9-NEXT:    v_subb_co_u32_e32 v1, vcc, v2, v4, vcc
+; GFX9-NEXT:    s_mov_b32 s6, 0x55555556
+; GFX9-NEXT:    v_mul_hi_u32 v2, v0, s6
+; GFX9-NEXT:    v_mov_b32_e32 v3, 0
+; GFX9-NEXT:    s_mov_b32 s7, 0x55555555
+; GFX9-NEXT:    v_mad_u64_u32 v[4:5], s[4:5], v1, s6, v[2:3]
+; GFX9-NEXT:    v_mov_b32_e32 v6, v5
+; GFX9-NEXT:    v_mov_b32_e32 v5, v3
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v0, s7, v[4:5]
+; GFX9-NEXT:    v_mov_b32_e32 v0, v3
+; GFX9-NEXT:    v_add_co_u32_e32 v2, vcc, v6, v0
+; GFX9-NEXT:    v_addc_co_u32_e64 v3, s[4:5], 0, 0, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v1, s7, v[2:3]
+; GFX9-NEXT:    v_ashrrev_i32_e32 v0, 31, v1
+; GFX9-NEXT:    v_mul_lo_u32 v4, v0, s7
+; GFX9-NEXT:    v_mul_lo_u32 v5, v0, s6
+; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v0, s6, v[2:3]
+; GFX9-NEXT:    v_add3_u32 v1, v5, v1, v4
+; GFX9-NEXT:    v_lshrrev_b32_e32 v2, 31, v1
+; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, v0, v2
+; GFX9-NEXT:    v_addc_co_u32_e32 v1, vcc, 0, v1, vcc
 ; GFX9-NEXT:    s_setpc_b64 s[30:31]
 ;
 ; GFX942-LABEL: sdiv64_3:
 ; GFX942:       ; %bb.0: ; %entry
 ; GFX942-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX942-NEXT:    s_add_u32 s0, 0, 0x55500000
-; GFX942-NEXT:    s_addc_u32 s1, 0, 0x155
-; GFX942-NEXT:    s_or_b32 s1, s1, 0x55555400
-; GFX942-NEXT:    s_mul_hi_u32 s5, s0, -3
-; GFX942-NEXT:    s_mul_i32 s6, s1, -3
-; GFX942-NEXT:    s_add_i32 s5, s5, s6
-; GFX942-NEXT:    s_mul_i32 s2, s0, -3
-; GFX942-NEXT:    s_sub_i32 s5, s5, s0
-; GFX942-NEXT:    s_mul_hi_u32 s3, s1, s2
-; GFX942-NEXT:    s_mul_i32 s4, s1, s2
-; GFX942-NEXT:    s_mul_i32 s7, s0, s5
-; GFX942-NEXT:    s_mul_hi_u32 s2, s0, s2
-; GFX942-NEXT:    s_mul_hi_u32 s6, s0, s5
-; GFX942-NEXT:    s_add_u32 s2, s2, s7
-; GFX942-NEXT:    s_addc_u32 s6, 0, s6
-; GFX942-NEXT:    s_add_u32 s2, s2, s4
-; GFX942-NEXT:    s_mul_hi_u32 s7, s1, s5
-; GFX942-NEXT:    s_addc_u32 s2, s6, s3
-; GFX942-NEXT:    s_addc_u32 s3, s7, 0
-; GFX942-NEXT:    s_mul_i32 s4, s1, s5
-; GFX942-NEXT:    s_add_u32 s2, s2, s4
-; GFX942-NEXT:    v_mov_b32_e32 v2, s2
-; GFX942-NEXT:    v_add_co_u32_e32 v8, vcc, s0, v2
+; GFX942-NEXT:    s_mov_b32 s2, 0x55555556
+; GFX942-NEXT:    v_mul_hi_u32 v2, v0, s2
+; GFX942-NEXT:    v_mov_b32_e32 v3, 0
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v1, s2, v[2:3]
+; GFX942-NEXT:    v_mov_b32_e32 v2, v5
+; GFX942-NEXT:    v_mov_b32_e32 v5, v3
+; GFX942-NEXT:    s_mov_b32 s3, 0x55555555
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v0, s3, v[4:5]
+; GFX942-NEXT:    v_mov_b32_e32 v4, v5
+; GFX942-NEXT:    v_mov_b32_e32 v5, v3
+; GFX942-NEXT:    v_lshl_add_u64 v[4:5], v[2:3], 0, v[4:5]
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v1, s3, v[4:5]
 ; GFX942-NEXT:    v_ashrrev_i32_e32 v2, 31, v1
-; GFX942-NEXT:    s_addc_u32 s3, 0, s3
-; GFX942-NEXT:    v_mov_b32_e32 v3, v2
-; GFX942-NEXT:    s_cmp_lg_u64 vcc, 0
+; GFX942-NEXT:    v_mad_u64_u32 v[0:1], s[0:1], v2, s2, v[4:5]
+; GFX942-NEXT:    v_mul_lo_u32 v4, v2, s3
+; GFX942-NEXT:    v_mul_lo_u32 v2, v2, s2
+; GFX942-NEXT:    v_add3_u32 v1, v2, v1, v4
+; GFX942-NEXT:    v_lshrrev_b32_e32 v2, 31, v1
 ; GFX942-NEXT:    v_lshl_add_u64 v[0:1], v[0:1], 0, v[2:3]
-; GFX942-NEXT:    s_addc_u32 s2, s1, s3
-; GFX942-NEXT:    v_xor_b32_e32 v10, v0, v2
-; GFX942-NEXT:    v_xor_b32_e32 v3, v1, v2
-; GFX942-NEXT:    v_mad_u64_u32 v[0:1], s[0:1], v10, s2, 0
-; GFX942-NEXT:    v_mul_hi_u32 v4, v10, v8
-; GFX942-NEXT:    v_mov_b32_e32 v5, 0
-; GFX942-NEXT:    v_lshl_add_u64 v[0:1], v[4:5], 0, v[0:1]
-; GFX942-NEXT:    v_mad_u64_u32 v[8:9], s[0:1], v3, v8, 0
-; GFX942-NEXT:    v_add_co_u32_e32 v0, vcc, v0, v8
-; GFX942-NEXT:    v_mad_u64_u32 v[6:7], s[0:1], v3, s2, 0
-; GFX942-NEXT:    s_nop 0
-; GFX942-NEXT:    v_addc_co_u32_e32 v4, vcc, v1, v9, vcc
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_addc_co_u32_e32 v7, vcc, 0, v7, vcc
-; GFX942-NEXT:    v_lshl_add_u64 v[0:1], v[4:5], 0, v[6:7]
-; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v0, 3, 0
-; GFX942-NEXT:    v_mov_b32_e32 v6, v5
-; GFX942-NEXT:    v_mad_u64_u32 v[6:7], s[0:1], v1, 3, v[6:7]
-; GFX942-NEXT:    v_sub_co_u32_e32 v8, vcc, v10, v4
-; GFX942-NEXT:    v_cmp_lt_u32_e64 s[0:1], 2, v8
-; GFX942-NEXT:    s_nop 0
-; GFX942-NEXT:    v_subb_co_u32_e32 v3, vcc, v3, v6, vcc
-; GFX942-NEXT:    v_subrev_co_u32_e32 v4, vcc, 3, v8
-; GFX942-NEXT:    v_lshl_add_u64 v[6:7], v[0:1], 0, 1
-; GFX942-NEXT:    s_nop 0
-; GFX942-NEXT:    v_subbrev_co_u32_e32 v5, vcc, 0, v3, vcc
-; GFX942-NEXT:    v_cmp_lt_u32_e32 vcc, 2, v4
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e64 v4, 0, -1, vcc
-; GFX942-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v5
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e32 v9, -1, v4, vcc
-; GFX942-NEXT:    v_lshl_add_u64 v[4:5], v[0:1], 0, 2
-; GFX942-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v9
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e32 v5, v7, v5, vcc
-; GFX942-NEXT:    v_cndmask_b32_e64 v7, 0, -1, s[0:1]
-; GFX942-NEXT:    v_cmp_eq_u32_e64 s[0:1], 0, v3
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e64 v3, -1, v7, s[0:1]
-; GFX942-NEXT:    v_cmp_ne_u32_e64 s[0:1], 0, v3
-; GFX942-NEXT:    v_cndmask_b32_e32 v3, v6, v4, vcc
-; GFX942-NEXT:    s_nop 0
-; GFX942-NEXT:    v_cndmask_b32_e64 v0, v0, v3, s[0:1]
-; GFX942-NEXT:    v_cndmask_b32_e64 v1, v1, v5, s[0:1]
-; GFX942-NEXT:    v_xor_b32_e32 v0, v0, v2
-; GFX942-NEXT:    v_xor_b32_e32 v1, v1, v2
-; GFX942-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v2
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_subb_co_u32_e32 v1, vcc, v1, v2, vcc
 ; GFX942-NEXT:    s_setpc_b64 s[30:31]
 ;
 ; GFX1030-LABEL: sdiv64_3:
 ; GFX1030:       ; %bb.0: ; %entry
 ; GFX1030-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX1030-NEXT:    s_add_u32 s4, 0, 0x55500000
-; GFX1030-NEXT:    s_addc_u32 s5, 0, 0x155
-; GFX1030-NEXT:    s_mul_hi_u32 s6, s4, -3
-; GFX1030-NEXT:    s_or_b32 s5, s5, 0x55555400
-; GFX1030-NEXT:    s_mul_i32 s8, s4, -3
-; GFX1030-NEXT:    s_mul_i32 s7, s5, -3
-; GFX1030-NEXT:    s_mul_i32 s9, s5, s8
-; GFX1030-NEXT:    s_add_i32 s6, s6, s7
-; GFX1030-NEXT:    s_mul_hi_u32 s7, s5, s8
-; GFX1030-NEXT:    s_sub_i32 s6, s6, s4
-; GFX1030-NEXT:    s_mul_hi_u32 s8, s4, s8
-; GFX1030-NEXT:    s_mul_i32 s10, s4, s6
-; GFX1030-NEXT:    v_ashrrev_i32_e32 v4, 31, v1
-; GFX1030-NEXT:    s_mul_hi_u32 s11, s4, s6
-; GFX1030-NEXT:    s_add_u32 s8, s8, s10
-; GFX1030-NEXT:    s_addc_u32 s10, 0, s11
-; GFX1030-NEXT:    s_mul_hi_u32 s11, s5, s6
-; GFX1030-NEXT:    s_add_u32 s8, s8, s9
-; GFX1030-NEXT:    s_addc_u32 s7, s10, s7
-; GFX1030-NEXT:    s_mul_i32 s6, s5, s6
-; GFX1030-NEXT:    v_add_co_u32 v0, vcc_lo, v0, v4
-; GFX1030-NEXT:    s_addc_u32 s8, s11, 0
-; GFX1030-NEXT:    s_add_u32 s6, s7, s6
-; GFX1030-NEXT:    s_addc_u32 s7, 0, s8
-; GFX1030-NEXT:    v_add_co_u32 v2, s4, s4, s6
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v3, vcc_lo, v1, v4, vcc_lo
-; GFX1030-NEXT:    v_xor_b32_e32 v5, v0, v4
-; GFX1030-NEXT:    s_cmp_lg_u32 s4, 0
-; GFX1030-NEXT:    s_addc_u32 s4, s5, s7
-; GFX1030-NEXT:    v_xor_b32_e32 v7, v3, v4
-; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, v5, s4, 0
-; GFX1030-NEXT:    v_mul_hi_u32 v6, v5, v2
-; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v7, v2, 0
-; GFX1030-NEXT:    v_add_co_u32 v6, vcc_lo, v6, v0
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v8, vcc_lo, 0, v1, vcc_lo
-; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, v7, s4, 0
-; GFX1030-NEXT:    v_add_co_u32 v2, vcc_lo, v6, v2
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v2, vcc_lo, v8, v3, vcc_lo
+; GFX1030-NEXT:    v_mul_hi_u32 v2, 0x55555556, v0
+; GFX1030-NEXT:    v_mov_b32_e32 v3, 0
+; GFX1030-NEXT:    v_mad_u64_u32 v[4:5], null, 0x55555556, v1, v[2:3]
+; GFX1030-NEXT:    v_mov_b32_e32 v6, v5
+; GFX1030-NEXT:    v_mov_b32_e32 v5, v3
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, 0x55555555, v0, v[4:5]
+; GFX1030-NEXT:    v_mov_b32_e32 v0, v3
+; GFX1030-NEXT:    v_add_co_u32 v2, s4, v6, v0
+; GFX1030-NEXT:    v_add_co_ci_u32_e64 v3, null, 0, 0, s4
+; GFX1030-NEXT:    v_ashrrev_i32_e32 v0, 31, v1
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, 0x55555555, v1, v[2:3]
+; GFX1030-NEXT:    v_mul_lo_u32 v4, 0x55555555, v0
+; GFX1030-NEXT:    v_mul_lo_u32 v5, 0x55555556, v0
+; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, 0x55555556, v0, v[2:3]
+; GFX1030-NEXT:    v_add3_u32 v1, v5, v1, v4
+; GFX1030-NEXT:    v_lshrrev_b32_e32 v2, 31, v1
+; GFX1030-NEXT:    v_add_co_u32 v0, vcc_lo, v0, v2
 ; GFX1030-NEXT:    v_add_co_ci_u32_e32 v1, vcc_lo, 0, v1, vcc_lo
-; GFX1030-NEXT:    v_add_co_u32 v3, vcc_lo, v2, v0
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v6, vcc_lo, 0, v1, vcc_lo
-; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, v3, 3, 0
-; GFX1030-NEXT:    v_mad_u64_u32 v[1:2], null, v6, 3, v[1:2]
-; GFX1030-NEXT:    v_sub_co_u32 v0, vcc_lo, v5, v0
-; GFX1030-NEXT:    v_sub_co_ci_u32_e32 v1, vcc_lo, v7, v1, vcc_lo
-; GFX1030-NEXT:    v_sub_co_u32 v2, vcc_lo, v0, 3
-; GFX1030-NEXT:    v_subrev_co_ci_u32_e32 v5, vcc_lo, 0, v1, vcc_lo
-; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 2, v2
-; GFX1030-NEXT:    v_cmp_eq_u32_e64 s4, 0, v1
-; GFX1030-NEXT:    v_cndmask_b32_e64 v2, 0, -1, vcc_lo
-; GFX1030-NEXT:    v_add_co_u32 v7, vcc_lo, v3, 2
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v8, vcc_lo, 0, v6, vcc_lo
-; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 2, v0
-; GFX1030-NEXT:    v_cndmask_b32_e64 v0, 0, -1, vcc_lo
-; GFX1030-NEXT:    v_cmp_eq_u32_e32 vcc_lo, 0, v5
-; GFX1030-NEXT:    v_cndmask_b32_e64 v0, -1, v0, s4
-; GFX1030-NEXT:    v_cndmask_b32_e32 v2, -1, v2, vcc_lo
-; GFX1030-NEXT:    v_add_co_u32 v5, vcc_lo, v3, 1
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v9, vcc_lo, 0, v6, vcc_lo
-; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v2
-; GFX1030-NEXT:    v_cndmask_b32_e32 v1, v9, v8, vcc_lo
-; GFX1030-NEXT:    v_cndmask_b32_e32 v2, v5, v7, vcc_lo
-; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v0
-; GFX1030-NEXT:    v_cndmask_b32_e32 v0, v6, v1, vcc_lo
-; GFX1030-NEXT:    v_cndmask_b32_e32 v1, v3, v2, vcc_lo
-; GFX1030-NEXT:    v_xor_b32_e32 v2, v0, v4
-; GFX1030-NEXT:    v_xor_b32_e32 v1, v1, v4
-; GFX1030-NEXT:    v_sub_co_u32 v0, vcc_lo, v1, v4
-; GFX1030-NEXT:    v_sub_co_ci_u32_e32 v1, vcc_lo, v2, v4, vcc_lo
 ; GFX1030-NEXT:    s_setpc_b64 s[30:31]
 entry:
   %div = sdiv i64 %i, 3
@@ -1126,233 +424,73 @@ define noundef i64 @sdiv64_6(i64 noundef %i)  {
 ; GFX9-LABEL: sdiv64_6:
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX9-NEXT:    s_add_u32 s4, 0, 0x55500000
-; GFX9-NEXT:    s_addc_u32 s5, 0, 0x155
-; GFX9-NEXT:    s_or_b32 s5, s5, 0x55555400
-; GFX9-NEXT:    s_mul_hi_u32 s9, s4, -3
-; GFX9-NEXT:    s_mul_i32 s10, s5, -3
-; GFX9-NEXT:    s_add_i32 s9, s9, s10
-; GFX9-NEXT:    s_mul_i32 s6, s4, -3
-; GFX9-NEXT:    s_sub_i32 s9, s9, s4
-; GFX9-NEXT:    s_mul_hi_u32 s7, s5, s6
-; GFX9-NEXT:    s_mul_i32 s8, s5, s6
-; GFX9-NEXT:    s_mul_i32 s11, s4, s9
-; GFX9-NEXT:    s_mul_hi_u32 s6, s4, s6
-; GFX9-NEXT:    s_mul_hi_u32 s10, s4, s9
-; GFX9-NEXT:    s_add_u32 s6, s6, s11
-; GFX9-NEXT:    s_addc_u32 s10, 0, s10
-; GFX9-NEXT:    s_add_u32 s6, s6, s8
-; GFX9-NEXT:    s_mul_hi_u32 s11, s5, s9
-; GFX9-NEXT:    s_addc_u32 s6, s10, s7
-; GFX9-NEXT:    s_addc_u32 s7, s11, 0
-; GFX9-NEXT:    s_mul_i32 s8, s5, s9
-; GFX9-NEXT:    s_add_u32 s6, s6, s8
-; GFX9-NEXT:    v_mov_b32_e32 v2, s6
-; GFX9-NEXT:    s_addc_u32 s7, 0, s7
-; GFX9-NEXT:    v_add_co_u32_e32 v2, vcc, s4, v2
-; GFX9-NEXT:    v_ashrrev_i32_e32 v4, 31, v1
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, v0, v4
-; GFX9-NEXT:    s_addc_u32 s6, s5, s7
-; GFX9-NEXT:    v_xor_b32_e32 v5, v0, v4
-; GFX9-NEXT:    v_addc_co_u32_e32 v3, vcc, v1, v4, vcc
-; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v5, s6, 0
-; GFX9-NEXT:    v_mul_hi_u32 v6, v5, v2
-; GFX9-NEXT:    v_xor_b32_e32 v7, v3, v4
-; GFX9-NEXT:    v_add_co_u32_e32 v6, vcc, v6, v0
-; GFX9-NEXT:    v_addc_co_u32_e32 v8, vcc, 0, v1, vcc
-; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v7, v2, 0
-; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v7, s6, 0
-; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, v6, v0
-; GFX9-NEXT:    v_addc_co_u32_e32 v0, vcc, v8, v1, vcc
-; GFX9-NEXT:    v_addc_co_u32_e32 v1, vcc, 0, v3, vcc
-; GFX9-NEXT:    v_add_co_u32_e32 v3, vcc, v0, v2
-; GFX9-NEXT:    v_addc_co_u32_e32 v6, vcc, 0, v1, vcc
-; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v3, 3, 0
-; GFX9-NEXT:    v_mad_u64_u32 v[1:2], s[4:5], v6, 3, v[1:2]
-; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, v5, v0
-; GFX9-NEXT:    v_subb_co_u32_e32 v1, vcc, v7, v1, vcc
-; GFX9-NEXT:    v_subrev_co_u32_e32 v2, vcc, 3, v0
-; GFX9-NEXT:    v_subbrev_co_u32_e32 v5, vcc, 0, v1, vcc
-; GFX9-NEXT:    v_cmp_lt_u32_e32 vcc, 2, v2
-; GFX9-NEXT:    v_cndmask_b32_e64 v2, 0, -1, vcc
-; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v5
-; GFX9-NEXT:    v_cndmask_b32_e32 v2, -1, v2, vcc
-; GFX9-NEXT:    v_add_co_u32_e32 v5, vcc, 2, v3
-; GFX9-NEXT:    v_addc_co_u32_e32 v7, vcc, 0, v6, vcc
-; GFX9-NEXT:    v_add_co_u32_e32 v8, vcc, 1, v3
-; GFX9-NEXT:    v_cmp_lt_u32_e64 s[4:5], 2, v0
-; GFX9-NEXT:    v_addc_co_u32_e32 v9, vcc, 0, v6, vcc
-; GFX9-NEXT:    v_cndmask_b32_e64 v0, 0, -1, s[4:5]
-; GFX9-NEXT:    v_cmp_eq_u32_e64 s[4:5], 0, v1
-; GFX9-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v2
-; GFX9-NEXT:    v_cndmask_b32_e64 v0, -1, v0, s[4:5]
-; GFX9-NEXT:    v_cndmask_b32_e32 v2, v9, v7, vcc
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[4:5], 0, v0
-; GFX9-NEXT:    v_cndmask_b32_e32 v1, v8, v5, vcc
-; GFX9-NEXT:    v_cndmask_b32_e64 v0, v6, v2, s[4:5]
-; GFX9-NEXT:    v_cndmask_b32_e64 v1, v3, v1, s[4:5]
-; GFX9-NEXT:    v_xor_b32_e32 v2, v0, v4
-; GFX9-NEXT:    v_xor_b32_e32 v0, v1, v4
-; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v4
-; GFX9-NEXT:    v_subb_co_u32_e32 v1, vcc, v2, v4, vcc
+; GFX9-NEXT:    s_mov_b32 s6, 0x55555556
+; GFX9-NEXT:    v_mul_hi_u32 v2, v0, s6
+; GFX9-NEXT:    v_mov_b32_e32 v3, 0
+; GFX9-NEXT:    s_mov_b32 s7, 0x55555555
+; GFX9-NEXT:    v_mad_u64_u32 v[4:5], s[4:5], v1, s6, v[2:3]
+; GFX9-NEXT:    v_mov_b32_e32 v6, v5
+; GFX9-NEXT:    v_mov_b32_e32 v5, v3
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v0, s7, v[4:5]
+; GFX9-NEXT:    v_mov_b32_e32 v0, v3
+; GFX9-NEXT:    v_add_co_u32_e32 v2, vcc, v6, v0
+; GFX9-NEXT:    v_addc_co_u32_e64 v3, s[4:5], 0, 0, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v1, s7, v[2:3]
+; GFX9-NEXT:    v_ashrrev_i32_e32 v0, 31, v1
+; GFX9-NEXT:    v_mul_lo_u32 v4, v0, s7
+; GFX9-NEXT:    v_mul_lo_u32 v5, v0, s6
+; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v0, s6, v[2:3]
+; GFX9-NEXT:    v_add3_u32 v1, v5, v1, v4
+; GFX9-NEXT:    v_lshrrev_b32_e32 v2, 31, v1
+; GFX9-NEXT:    v_add_co_u32_e32 v0, vcc, v0, v2
+; GFX9-NEXT:    v_addc_co_u32_e32 v1, vcc, 0, v1, vcc
 ; GFX9-NEXT:    s_setpc_b64 s[30:31]
 ;
 ; GFX942-LABEL: sdiv64_6:
 ; GFX942:       ; %bb.0: ; %entry
 ; GFX942-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX942-NEXT:    s_add_u32 s0, 0, 0x55500000
-; GFX942-NEXT:    s_addc_u32 s1, 0, 0x155
-; GFX942-NEXT:    s_or_b32 s1, s1, 0x55555400
-; GFX942-NEXT:    s_mul_hi_u32 s5, s0, -3
-; GFX942-NEXT:    s_mul_i32 s6, s1, -3
-; GFX942-NEXT:    s_add_i32 s5, s5, s6
-; GFX942-NEXT:    s_mul_i32 s2, s0, -3
-; GFX942-NEXT:    s_sub_i32 s5, s5, s0
-; GFX942-NEXT:    s_mul_hi_u32 s3, s1, s2
-; GFX942-NEXT:    s_mul_i32 s4, s1, s2
-; GFX942-NEXT:    s_mul_i32 s7, s0, s5
-; GFX942-NEXT:    s_mul_hi_u32 s2, s0, s2
-; GFX942-NEXT:    s_mul_hi_u32 s6, s0, s5
-; GFX942-NEXT:    s_add_u32 s2, s2, s7
-; GFX942-NEXT:    s_addc_u32 s6, 0, s6
-; GFX942-NEXT:    s_add_u32 s2, s2, s4
-; GFX942-NEXT:    s_mul_hi_u32 s7, s1, s5
-; GFX942-NEXT:    s_addc_u32 s2, s6, s3
-; GFX942-NEXT:    s_addc_u32 s3, s7, 0
-; GFX942-NEXT:    s_mul_i32 s4, s1, s5
-; GFX942-NEXT:    s_add_u32 s2, s2, s4
-; GFX942-NEXT:    v_mov_b32_e32 v2, s2
-; GFX942-NEXT:    v_add_co_u32_e32 v8, vcc, s0, v2
+; GFX942-NEXT:    s_mov_b32 s2, 0x55555556
+; GFX942-NEXT:    v_mul_hi_u32 v2, v0, s2
+; GFX942-NEXT:    v_mov_b32_e32 v3, 0
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v1, s2, v[2:3]
+; GFX942-NEXT:    v_mov_b32_e32 v2, v5
+; GFX942-NEXT:    v_mov_b32_e32 v5, v3
+; GFX942-NEXT:    s_mov_b32 s3, 0x55555555
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v0, s3, v[4:5]
+; GFX942-NEXT:    v_mov_b32_e32 v4, v5
+; GFX942-NEXT:    v_mov_b32_e32 v5, v3
+; GFX942-NEXT:    v_lshl_add_u64 v[4:5], v[2:3], 0, v[4:5]
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v1, s3, v[4:5]
 ; GFX942-NEXT:    v_ashrrev_i32_e32 v2, 31, v1
-; GFX942-NEXT:    s_addc_u32 s3, 0, s3
-; GFX942-NEXT:    v_mov_b32_e32 v3, v2
-; GFX942-NEXT:    s_cmp_lg_u64 vcc, 0
+; GFX942-NEXT:    v_mad_u64_u32 v[0:1], s[0:1], v2, s2, v[4:5]
+; GFX942-NEXT:    v_mul_lo_u32 v4, v2, s3
+; GFX942-NEXT:    v_mul_lo_u32 v2, v2, s2
+; GFX942-NEXT:    v_add3_u32 v1, v2, v1, v4
+; GFX942-NEXT:    v_lshrrev_b32_e32 v2, 31, v1
 ; GFX942-NEXT:    v_lshl_add_u64 v[0:1], v[0:1], 0, v[2:3]
-; GFX942-NEXT:    s_addc_u32 s2, s1, s3
-; GFX942-NEXT:    v_xor_b32_e32 v10, v0, v2
-; GFX942-NEXT:    v_xor_b32_e32 v3, v1, v2
-; GFX942-NEXT:    v_mad_u64_u32 v[0:1], s[0:1], v10, s2, 0
-; GFX942-NEXT:    v_mul_hi_u32 v4, v10, v8
-; GFX942-NEXT:    v_mov_b32_e32 v5, 0
-; GFX942-NEXT:    v_lshl_add_u64 v[0:1], v[4:5], 0, v[0:1]
-; GFX942-NEXT:    v_mad_u64_u32 v[8:9], s[0:1], v3, v8, 0
-; GFX942-NEXT:    v_add_co_u32_e32 v0, vcc, v0, v8
-; GFX942-NEXT:    v_mad_u64_u32 v[6:7], s[0:1], v3, s2, 0
-; GFX942-NEXT:    s_nop 0
-; GFX942-NEXT:    v_addc_co_u32_e32 v4, vcc, v1, v9, vcc
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_addc_co_u32_e32 v7, vcc, 0, v7, vcc
-; GFX942-NEXT:    v_lshl_add_u64 v[0:1], v[4:5], 0, v[6:7]
-; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v0, 3, 0
-; GFX942-NEXT:    v_mov_b32_e32 v6, v5
-; GFX942-NEXT:    v_mad_u64_u32 v[6:7], s[0:1], v1, 3, v[6:7]
-; GFX942-NEXT:    v_sub_co_u32_e32 v8, vcc, v10, v4
-; GFX942-NEXT:    v_cmp_lt_u32_e64 s[0:1], 2, v8
-; GFX942-NEXT:    s_nop 0
-; GFX942-NEXT:    v_subb_co_u32_e32 v3, vcc, v3, v6, vcc
-; GFX942-NEXT:    v_subrev_co_u32_e32 v4, vcc, 3, v8
-; GFX942-NEXT:    v_lshl_add_u64 v[6:7], v[0:1], 0, 1
-; GFX942-NEXT:    s_nop 0
-; GFX942-NEXT:    v_subbrev_co_u32_e32 v5, vcc, 0, v3, vcc
-; GFX942-NEXT:    v_cmp_lt_u32_e32 vcc, 2, v4
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e64 v4, 0, -1, vcc
-; GFX942-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v5
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e32 v9, -1, v4, vcc
-; GFX942-NEXT:    v_lshl_add_u64 v[4:5], v[0:1], 0, 2
-; GFX942-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v9
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e32 v5, v7, v5, vcc
-; GFX942-NEXT:    v_cndmask_b32_e64 v7, 0, -1, s[0:1]
-; GFX942-NEXT:    v_cmp_eq_u32_e64 s[0:1], 0, v3
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e64 v3, -1, v7, s[0:1]
-; GFX942-NEXT:    v_cmp_ne_u32_e64 s[0:1], 0, v3
-; GFX942-NEXT:    v_cndmask_b32_e32 v3, v6, v4, vcc
-; GFX942-NEXT:    s_nop 0
-; GFX942-NEXT:    v_cndmask_b32_e64 v0, v0, v3, s[0:1]
-; GFX942-NEXT:    v_cndmask_b32_e64 v1, v1, v5, s[0:1]
-; GFX942-NEXT:    v_xor_b32_e32 v0, v0, v2
-; GFX942-NEXT:    v_xor_b32_e32 v1, v1, v2
-; GFX942-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v2
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_subb_co_u32_e32 v1, vcc, v1, v2, vcc
 ; GFX942-NEXT:    s_setpc_b64 s[30:31]
 ;
 ; GFX1030-LABEL: sdiv64_6:
 ; GFX1030:       ; %bb.0: ; %entry
 ; GFX1030-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX1030-NEXT:    s_add_u32 s4, 0, 0x55500000
-; GFX1030-NEXT:    s_addc_u32 s5, 0, 0x155
-; GFX1030-NEXT:    s_mul_hi_u32 s6, s4, -3
-; GFX1030-NEXT:    s_or_b32 s5, s5, 0x55555400
-; GFX1030-NEXT:    s_mul_i32 s8, s4, -3
-; GFX1030-NEXT:    s_mul_i32 s7, s5, -3
-; GFX1030-NEXT:    s_mul_i32 s9, s5, s8
-; GFX1030-NEXT:    s_add_i32 s6, s6, s7
-; GFX1030-NEXT:    s_mul_hi_u32 s7, s5, s8
-; GFX1030-NEXT:    s_sub_i32 s6, s6, s4
-; GFX1030-NEXT:    s_mul_hi_u32 s8, s4, s8
-; GFX1030-NEXT:    s_mul_i32 s10, s4, s6
-; GFX1030-NEXT:    v_ashrrev_i32_e32 v4, 31, v1
-; GFX1030-NEXT:    s_mul_hi_u32 s11, s4, s6
-; GFX1030-NEXT:    s_add_u32 s8, s8, s10
-; GFX1030-NEXT:    s_addc_u32 s10, 0, s11
-; GFX1030-NEXT:    s_mul_hi_u32 s11, s5, s6
-; GFX1030-NEXT:    s_add_u32 s8, s8, s9
-; GFX1030-NEXT:    s_addc_u32 s7, s10, s7
-; GFX1030-NEXT:    s_mul_i32 s6, s5, s6
-; GFX1030-NEXT:    v_add_co_u32 v0, vcc_lo, v0, v4
-; GFX1030-NEXT:    s_addc_u32 s8, s11, 0
-; GFX1030-NEXT:    s_add_u32 s6, s7, s6
-; GFX1030-NEXT:    s_addc_u32 s7, 0, s8
-; GFX1030-NEXT:    v_add_co_u32 v2, s4, s4, s6
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v3, vcc_lo, v1, v4, vcc_lo
-; GFX1030-NEXT:    v_xor_b32_e32 v5, v0, v4
-; GFX1030-NEXT:    s_cmp_lg_u32 s4, 0
-; GFX1030-NEXT:    s_addc_u32 s4, s5, s7
-; GFX1030-NEXT:    v_xor_b32_e32 v7, v3, v4
-; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, v5, s4, 0
-; GFX1030-NEXT:    v_mul_hi_u32 v6, v5, v2
-; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v7, v2, 0
-; GFX1030-NEXT:    v_add_co_u32 v6, vcc_lo, v6, v0
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v8, vcc_lo, 0, v1, vcc_lo
-; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, v7, s4, 0
-; GFX1030-NEXT:    v_add_co_u32 v2, vcc_lo, v6, v2
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v2, vcc_lo, v8, v3, vcc_lo
+; GFX1030-NEXT:    v_mul_hi_u32 v2, 0x55555556, v0
+; GFX1030-NEXT:    v_mov_b32_e32 v3, 0
+; GFX1030-NEXT:    v_mad_u64_u32 v[4:5], null, 0x55555556, v1, v[2:3]
+; GFX1030-NEXT:    v_mov_b32_e32 v6, v5
+; GFX1030-NEXT:    v_mov_b32_e32 v5, v3
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, 0x55555555, v0, v[4:5]
+; GFX1030-NEXT:    v_mov_b32_e32 v0, v3
+; GFX1030-NEXT:    v_add_co_u32 v2, s4, v6, v0
+; GFX1030-NEXT:    v_add_co_ci_u32_e64 v3, null, 0, 0, s4
+; GFX1030-NEXT:    v_ashrrev_i32_e32 v0, 31, v1
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, 0x55555555, v1, v[2:3]
+; GFX1030-NEXT:    v_mul_lo_u32 v4, 0x55555555, v0
+; GFX1030-NEXT:    v_mul_lo_u32 v5, 0x55555556, v0
+; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, 0x55555556, v0, v[2:3]
+; GFX1030-NEXT:    v_add3_u32 v1, v5, v1, v4
+; GFX1030-NEXT:    v_lshrrev_b32_e32 v2, 31, v1
+; GFX1030-NEXT:    v_add_co_u32 v0, vcc_lo, v0, v2
 ; GFX1030-NEXT:    v_add_co_ci_u32_e32 v1, vcc_lo, 0, v1, vcc_lo
-; GFX1030-NEXT:    v_add_co_u32 v3, vcc_lo, v2, v0
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v6, vcc_lo, 0, v1, vcc_lo
-; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, v3, 3, 0
-; GFX1030-NEXT:    v_mad_u64_u32 v[1:2], null, v6, 3, v[1:2]
-; GFX1030-NEXT:    v_sub_co_u32 v0, vcc_lo, v5, v0
-; GFX1030-NEXT:    v_sub_co_ci_u32_e32 v1, vcc_lo, v7, v1, vcc_lo
-; GFX1030-NEXT:    v_sub_co_u32 v2, vcc_lo, v0, 3
-; GFX1030-NEXT:    v_subrev_co_ci_u32_e32 v5, vcc_lo, 0, v1, vcc_lo
-; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 2, v2
-; GFX1030-NEXT:    v_cmp_eq_u32_e64 s4, 0, v1
-; GFX1030-NEXT:    v_cndmask_b32_e64 v2, 0, -1, vcc_lo
-; GFX1030-NEXT:    v_add_co_u32 v7, vcc_lo, v3, 2
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v8, vcc_lo, 0, v6, vcc_lo
-; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 2, v0
-; GFX1030-NEXT:    v_cndmask_b32_e64 v0, 0, -1, vcc_lo
-; GFX1030-NEXT:    v_cmp_eq_u32_e32 vcc_lo, 0, v5
-; GFX1030-NEXT:    v_cndmask_b32_e64 v0, -1, v0, s4
-; GFX1030-NEXT:    v_cndmask_b32_e32 v2, -1, v2, vcc_lo
-; GFX1030-NEXT:    v_add_co_u32 v5, vcc_lo, v3, 1
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v9, vcc_lo, 0, v6, vcc_lo
-; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v2
-; GFX1030-NEXT:    v_cndmask_b32_e32 v1, v9, v8, vcc_lo
-; GFX1030-NEXT:    v_cndmask_b32_e32 v2, v5, v7, vcc_lo
-; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v0
-; GFX1030-NEXT:    v_cndmask_b32_e32 v0, v6, v1, vcc_lo
-; GFX1030-NEXT:    v_cndmask_b32_e32 v1, v3, v2, vcc_lo
-; GFX1030-NEXT:    v_xor_b32_e32 v2, v0, v4
-; GFX1030-NEXT:    v_xor_b32_e32 v1, v1, v4
-; GFX1030-NEXT:    v_sub_co_u32 v0, vcc_lo, v1, v4
-; GFX1030-NEXT:    v_sub_co_ci_u32_e32 v1, vcc_lo, v2, v4, vcc_lo
 ; GFX1030-NEXT:    s_setpc_b64 s[30:31]
 entry:
   %div = sdiv i64 %i, 3
@@ -1363,205 +501,56 @@ define noundef i64 @udiv64_3(i64 noundef %i)  {
 ; GFX9-LABEL: udiv64_3:
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX9-NEXT:    s_add_u32 s4, 0, 0x55500000
-; GFX9-NEXT:    s_addc_u32 s5, 0, 0x155
-; GFX9-NEXT:    s_add_i32 s5, s5, 0x55555400
-; GFX9-NEXT:    s_mul_hi_u32 s9, s4, -3
-; GFX9-NEXT:    s_sub_i32 s9, s9, s4
-; GFX9-NEXT:    s_mul_i32 s10, s5, -3
-; GFX9-NEXT:    s_mul_i32 s6, s4, -3
-; GFX9-NEXT:    s_add_i32 s9, s9, s10
-; GFX9-NEXT:    s_mul_hi_u32 s7, s5, s6
-; GFX9-NEXT:    s_mul_i32 s8, s5, s6
-; GFX9-NEXT:    s_mul_i32 s11, s4, s9
-; GFX9-NEXT:    s_mul_hi_u32 s6, s4, s6
-; GFX9-NEXT:    s_mul_hi_u32 s10, s4, s9
-; GFX9-NEXT:    s_add_u32 s6, s6, s11
-; GFX9-NEXT:    s_addc_u32 s10, 0, s10
-; GFX9-NEXT:    s_add_u32 s6, s6, s8
-; GFX9-NEXT:    s_mul_hi_u32 s11, s5, s9
-; GFX9-NEXT:    s_addc_u32 s6, s10, s7
-; GFX9-NEXT:    s_addc_u32 s7, s11, 0
-; GFX9-NEXT:    s_mul_i32 s8, s5, s9
-; GFX9-NEXT:    s_add_u32 s6, s6, s8
-; GFX9-NEXT:    v_mov_b32_e32 v2, s6
-; GFX9-NEXT:    s_addc_u32 s7, 0, s7
-; GFX9-NEXT:    v_add_co_u32_e32 v4, vcc, s4, v2
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    s_addc_u32 s6, s5, s7
-; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v0, s6, 0
-; GFX9-NEXT:    v_mul_hi_u32 v5, v0, v4
-; GFX9-NEXT:    v_add_co_u32_e32 v6, vcc, v5, v2
-; GFX9-NEXT:    v_addc_co_u32_e32 v7, vcc, 0, v3, vcc
-; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v1, v4, 0
-; GFX9-NEXT:    v_mad_u64_u32 v[4:5], s[4:5], v1, s6, 0
-; GFX9-NEXT:    v_add_co_u32_e32 v2, vcc, v6, v2
-; GFX9-NEXT:    v_addc_co_u32_e32 v2, vcc, v7, v3, vcc
-; GFX9-NEXT:    v_addc_co_u32_e32 v3, vcc, 0, v5, vcc
-; GFX9-NEXT:    v_add_co_u32_e32 v5, vcc, v2, v4
-; GFX9-NEXT:    v_addc_co_u32_e32 v6, vcc, 0, v3, vcc
-; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v5, 3, 0
-; GFX9-NEXT:    v_mad_u64_u32 v[3:4], s[4:5], v6, 3, v[3:4]
-; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v2
-; GFX9-NEXT:    v_subb_co_u32_e32 v1, vcc, v1, v3, vcc
-; GFX9-NEXT:    v_subrev_co_u32_e32 v2, vcc, 3, v0
-; GFX9-NEXT:    v_subbrev_co_u32_e32 v3, vcc, 0, v1, vcc
-; GFX9-NEXT:    v_cmp_lt_u32_e32 vcc, 2, v2
-; GFX9-NEXT:    v_cndmask_b32_e64 v2, 0, -1, vcc
-; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v3
-; GFX9-NEXT:    v_cndmask_b32_e32 v2, -1, v2, vcc
-; GFX9-NEXT:    v_add_co_u32_e32 v3, vcc, 2, v5
-; GFX9-NEXT:    v_addc_co_u32_e32 v4, vcc, 0, v6, vcc
-; GFX9-NEXT:    v_add_co_u32_e32 v7, vcc, 1, v5
-; GFX9-NEXT:    v_cmp_lt_u32_e64 s[4:5], 2, v0
-; GFX9-NEXT:    v_addc_co_u32_e32 v8, vcc, 0, v6, vcc
-; GFX9-NEXT:    v_cndmask_b32_e64 v0, 0, -1, s[4:5]
-; GFX9-NEXT:    v_cmp_eq_u32_e64 s[4:5], 0, v1
-; GFX9-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v2
-; GFX9-NEXT:    v_cndmask_b32_e64 v0, -1, v0, s[4:5]
-; GFX9-NEXT:    v_cndmask_b32_e32 v2, v7, v3, vcc
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[4:5], 0, v0
-; GFX9-NEXT:    v_cndmask_b32_e32 v1, v8, v4, vcc
-; GFX9-NEXT:    v_cndmask_b32_e64 v0, v5, v2, s[4:5]
-; GFX9-NEXT:    v_cndmask_b32_e64 v1, v6, v1, s[4:5]
+; GFX9-NEXT:    s_mov_b32 s4, 0xaaaaaaab
+; GFX9-NEXT:    v_mul_hi_u32 v2, v0, s4
+; GFX9-NEXT:    v_mov_b32_e32 v3, 0
+; GFX9-NEXT:    s_mov_b32 s6, 0xaaaaaaaa
+; GFX9-NEXT:    v_mad_u64_u32 v[4:5], s[4:5], v1, s4, v[2:3]
+; GFX9-NEXT:    v_mov_b32_e32 v6, v5
+; GFX9-NEXT:    v_mov_b32_e32 v5, v3
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v0, s6, v[4:5]
+; GFX9-NEXT:    v_mov_b32_e32 v0, v3
+; GFX9-NEXT:    v_add_co_u32_e32 v2, vcc, v6, v0
+; GFX9-NEXT:    v_addc_co_u32_e64 v3, s[4:5], 0, 0, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v1, s6, v[2:3]
+; GFX9-NEXT:    v_alignbit_b32 v0, v1, v0, 1
+; GFX9-NEXT:    v_lshrrev_b32_e32 v1, 1, v1
 ; GFX9-NEXT:    s_setpc_b64 s[30:31]
 ;
 ; GFX942-LABEL: udiv64_3:
 ; GFX942:       ; %bb.0: ; %entry
 ; GFX942-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX942-NEXT:    s_add_u32 s0, 0, 0x55500000
-; GFX942-NEXT:    s_addc_u32 s1, 0, 0x155
-; GFX942-NEXT:    s_add_i32 s1, s1, 0x55555400
-; GFX942-NEXT:    s_mul_hi_u32 s5, s0, -3
-; GFX942-NEXT:    s_sub_i32 s5, s5, s0
-; GFX942-NEXT:    s_mul_i32 s6, s1, -3
-; GFX942-NEXT:    s_mul_i32 s2, s0, -3
-; GFX942-NEXT:    s_add_i32 s5, s5, s6
-; GFX942-NEXT:    s_mul_hi_u32 s3, s1, s2
-; GFX942-NEXT:    s_mul_i32 s4, s1, s2
-; GFX942-NEXT:    s_mul_i32 s7, s0, s5
-; GFX942-NEXT:    s_mul_hi_u32 s2, s0, s2
-; GFX942-NEXT:    s_mul_hi_u32 s6, s0, s5
-; GFX942-NEXT:    s_add_u32 s2, s2, s7
-; GFX942-NEXT:    s_addc_u32 s6, 0, s6
-; GFX942-NEXT:    s_add_u32 s2, s2, s4
-; GFX942-NEXT:    s_mul_hi_u32 s7, s1, s5
-; GFX942-NEXT:    s_addc_u32 s2, s6, s3
-; GFX942-NEXT:    s_addc_u32 s3, s7, 0
-; GFX942-NEXT:    s_mul_i32 s4, s1, s5
-; GFX942-NEXT:    s_add_u32 s2, s2, s4
-; GFX942-NEXT:    v_mov_b32_e32 v2, s2
-; GFX942-NEXT:    s_addc_u32 s3, 0, s3
-; GFX942-NEXT:    v_add_co_u32_e32 v8, vcc, s0, v2
-; GFX942-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX942-NEXT:    s_addc_u32 s2, s1, s3
-; GFX942-NEXT:    v_mad_u64_u32 v[2:3], s[0:1], v0, s2, 0
-; GFX942-NEXT:    v_mul_hi_u32 v4, v0, v8
-; GFX942-NEXT:    v_mov_b32_e32 v5, 0
-; GFX942-NEXT:    v_lshl_add_u64 v[2:3], v[4:5], 0, v[2:3]
-; GFX942-NEXT:    v_mad_u64_u32 v[8:9], s[0:1], v1, v8, 0
-; GFX942-NEXT:    v_add_co_u32_e32 v2, vcc, v2, v8
-; GFX942-NEXT:    v_mad_u64_u32 v[6:7], s[0:1], v1, s2, 0
-; GFX942-NEXT:    s_nop 0
-; GFX942-NEXT:    v_addc_co_u32_e32 v4, vcc, v3, v9, vcc
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_addc_co_u32_e32 v7, vcc, 0, v7, vcc
-; GFX942-NEXT:    v_lshl_add_u64 v[2:3], v[4:5], 0, v[6:7]
-; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v2, 3, 0
-; GFX942-NEXT:    v_mov_b32_e32 v6, v5
-; GFX942-NEXT:    v_mad_u64_u32 v[6:7], s[0:1], v3, 3, v[6:7]
-; GFX942-NEXT:    v_sub_co_u32_e32 v7, vcc, v0, v4
-; GFX942-NEXT:    v_lshl_add_u64 v[4:5], v[2:3], 0, 1
-; GFX942-NEXT:    s_nop 0
-; GFX942-NEXT:    v_subb_co_u32_e32 v6, vcc, v1, v6, vcc
-; GFX942-NEXT:    v_subrev_co_u32_e32 v0, vcc, 3, v7
-; GFX942-NEXT:    v_cmp_lt_u32_e64 s[0:1], 2, v7
-; GFX942-NEXT:    s_nop 0
-; GFX942-NEXT:    v_subbrev_co_u32_e32 v1, vcc, 0, v6, vcc
-; GFX942-NEXT:    v_cmp_lt_u32_e32 vcc, 2, v0
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e64 v0, 0, -1, vcc
-; GFX942-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v1
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e32 v8, -1, v0, vcc
-; GFX942-NEXT:    v_lshl_add_u64 v[0:1], v[2:3], 0, 2
-; GFX942-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v8
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e32 v0, v4, v0, vcc
-; GFX942-NEXT:    v_cndmask_b32_e64 v4, 0, -1, s[0:1]
-; GFX942-NEXT:    v_cmp_eq_u32_e64 s[0:1], 0, v6
-; GFX942-NEXT:    v_cndmask_b32_e32 v1, v5, v1, vcc
-; GFX942-NEXT:    s_nop 0
-; GFX942-NEXT:    v_cndmask_b32_e64 v4, -1, v4, s[0:1]
-; GFX942-NEXT:    v_cmp_ne_u32_e64 s[0:1], 0, v4
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e64 v0, v2, v0, s[0:1]
-; GFX942-NEXT:    v_cndmask_b32_e64 v1, v3, v1, s[0:1]
+; GFX942-NEXT:    s_mov_b32 s0, 0xaaaaaaab
+; GFX942-NEXT:    v_mul_hi_u32 v2, v0, s0
+; GFX942-NEXT:    v_mov_b32_e32 v3, 0
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v1, s0, v[2:3]
+; GFX942-NEXT:    v_mov_b32_e32 v2, v5
+; GFX942-NEXT:    v_mov_b32_e32 v5, v3
+; GFX942-NEXT:    s_mov_b32 s2, 0xaaaaaaaa
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v0, s2, v[4:5]
+; GFX942-NEXT:    v_mov_b32_e32 v4, v5
+; GFX942-NEXT:    v_mov_b32_e32 v5, v3
+; GFX942-NEXT:    v_lshl_add_u64 v[2:3], v[2:3], 0, v[4:5]
+; GFX942-NEXT:    v_mad_u64_u32 v[0:1], s[0:1], v1, s2, v[2:3]
+; GFX942-NEXT:    v_alignbit_b32 v0, v1, v0, 1
+; GFX942-NEXT:    v_lshrrev_b32_e32 v1, 1, v1
 ; GFX942-NEXT:    s_setpc_b64 s[30:31]
 ;
 ; GFX1030-LABEL: udiv64_3:
 ; GFX1030:       ; %bb.0: ; %entry
 ; GFX1030-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX1030-NEXT:    s_add_u32 s4, 0, 0x55500000
-; GFX1030-NEXT:    s_addc_u32 s5, 0, 0x155
-; GFX1030-NEXT:    s_mul_hi_u32 s7, s4, -3
-; GFX1030-NEXT:    s_add_i32 s5, s5, 0x55555400
-; GFX1030-NEXT:    s_sub_i32 s7, s7, s4
-; GFX1030-NEXT:    s_mul_i32 s8, s5, -3
-; GFX1030-NEXT:    s_mul_i32 s6, s4, -3
-; GFX1030-NEXT:    s_add_i32 s7, s7, s8
-; GFX1030-NEXT:    s_mul_hi_u32 s9, s5, s6
-; GFX1030-NEXT:    s_mul_i32 s8, s5, s6
-; GFX1030-NEXT:    s_mul_i32 s10, s4, s7
-; GFX1030-NEXT:    s_mul_hi_u32 s6, s4, s6
-; GFX1030-NEXT:    s_mul_hi_u32 s11, s4, s7
-; GFX1030-NEXT:    s_add_u32 s6, s6, s10
-; GFX1030-NEXT:    s_addc_u32 s10, 0, s11
-; GFX1030-NEXT:    s_mul_hi_u32 s11, s5, s7
-; GFX1030-NEXT:    s_add_u32 s6, s6, s8
-; GFX1030-NEXT:    s_addc_u32 s6, s10, s9
-; GFX1030-NEXT:    s_mul_i32 s7, s5, s7
-; GFX1030-NEXT:    s_addc_u32 s8, s11, 0
-; GFX1030-NEXT:    s_add_u32 s6, s6, s7
-; GFX1030-NEXT:    v_add_co_u32 v4, s4, s4, s6
-; GFX1030-NEXT:    s_addc_u32 s6, 0, s8
-; GFX1030-NEXT:    s_cmp_lg_u32 s4, 0
-; GFX1030-NEXT:    s_addc_u32 s4, s5, s6
-; GFX1030-NEXT:    v_mul_hi_u32 v6, v0, v4
-; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v0, s4, 0
-; GFX1030-NEXT:    v_mad_u64_u32 v[4:5], null, v1, v4, 0
-; GFX1030-NEXT:    v_add_co_u32 v6, vcc_lo, v6, v2
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v7, vcc_lo, 0, v3, vcc_lo
-; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v1, s4, 0
-; GFX1030-NEXT:    v_add_co_u32 v4, vcc_lo, v6, v4
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v4, vcc_lo, v7, v5, vcc_lo
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v3, vcc_lo, 0, v3, vcc_lo
-; GFX1030-NEXT:    v_add_co_u32 v5, vcc_lo, v4, v2
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v6, vcc_lo, 0, v3, vcc_lo
-; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v5, 3, 0
-; GFX1030-NEXT:    v_mad_u64_u32 v[3:4], null, v6, 3, v[3:4]
-; GFX1030-NEXT:    v_sub_co_u32 v0, vcc_lo, v0, v2
-; GFX1030-NEXT:    v_sub_co_ci_u32_e32 v1, vcc_lo, v1, v3, vcc_lo
-; GFX1030-NEXT:    v_sub_co_u32 v2, vcc_lo, v0, 3
-; GFX1030-NEXT:    v_subrev_co_ci_u32_e32 v3, vcc_lo, 0, v1, vcc_lo
-; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 2, v2
-; GFX1030-NEXT:    v_cmp_eq_u32_e64 s4, 0, v1
-; GFX1030-NEXT:    v_cndmask_b32_e64 v2, 0, -1, vcc_lo
-; GFX1030-NEXT:    v_add_co_u32 v4, vcc_lo, v5, 2
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v7, vcc_lo, 0, v6, vcc_lo
-; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 2, v0
-; GFX1030-NEXT:    v_cndmask_b32_e64 v0, 0, -1, vcc_lo
-; GFX1030-NEXT:    v_cmp_eq_u32_e32 vcc_lo, 0, v3
-; GFX1030-NEXT:    v_cndmask_b32_e64 v0, -1, v0, s4
-; GFX1030-NEXT:    v_cndmask_b32_e32 v2, -1, v2, vcc_lo
-; GFX1030-NEXT:    v_add_co_u32 v3, vcc_lo, v5, 1
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v8, vcc_lo, 0, v6, vcc_lo
-; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v2
-; GFX1030-NEXT:    v_cndmask_b32_e32 v1, v3, v4, vcc_lo
-; GFX1030-NEXT:    v_cndmask_b32_e32 v2, v8, v7, vcc_lo
-; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v0
-; GFX1030-NEXT:    v_cndmask_b32_e32 v0, v5, v1, vcc_lo
-; GFX1030-NEXT:    v_cndmask_b32_e32 v1, v6, v2, vcc_lo
+; GFX1030-NEXT:    v_mul_hi_u32 v2, 0xaaaaaaab, v0
+; GFX1030-NEXT:    v_mov_b32_e32 v3, 0
+; GFX1030-NEXT:    v_mad_u64_u32 v[4:5], null, 0xaaaaaaab, v1, v[2:3]
+; GFX1030-NEXT:    v_mov_b32_e32 v6, v5
+; GFX1030-NEXT:    v_mov_b32_e32 v5, v3
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, 0xaaaaaaaa, v0, v[4:5]
+; GFX1030-NEXT:    v_mov_b32_e32 v0, v3
+; GFX1030-NEXT:    v_add_co_u32 v2, s4, v6, v0
+; GFX1030-NEXT:    v_add_co_ci_u32_e64 v3, null, 0, 0, s4
+; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, 0xaaaaaaaa, v1, v[2:3]
+; GFX1030-NEXT:    v_alignbit_b32 v0, v1, v0, 1
+; GFX1030-NEXT:    v_lshrrev_b32_e32 v1, 1, v1
 ; GFX1030-NEXT:    s_setpc_b64 s[30:31]
 entry:
   %div = udiv i64 %i, 3
@@ -1572,205 +561,56 @@ define noundef i64 @udiv64_6(i64 noundef %i)  {
 ; GFX9-LABEL: udiv64_6:
 ; GFX9:       ; %bb.0: ; %entry
 ; GFX9-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX9-NEXT:    s_add_u32 s4, 0, 0xaaa80000
-; GFX9-NEXT:    s_addc_u32 s5, 0, 0xaa
-; GFX9-NEXT:    s_add_i32 s5, s5, 0x2aaaaa00
-; GFX9-NEXT:    s_mul_hi_u32 s9, s4, -6
-; GFX9-NEXT:    s_sub_i32 s9, s9, s4
-; GFX9-NEXT:    s_mul_i32 s10, s5, -6
-; GFX9-NEXT:    s_mul_i32 s6, s4, -6
-; GFX9-NEXT:    s_add_i32 s9, s9, s10
-; GFX9-NEXT:    s_mul_hi_u32 s7, s5, s6
-; GFX9-NEXT:    s_mul_i32 s8, s5, s6
-; GFX9-NEXT:    s_mul_i32 s11, s4, s9
-; GFX9-NEXT:    s_mul_hi_u32 s6, s4, s6
-; GFX9-NEXT:    s_mul_hi_u32 s10, s4, s9
-; GFX9-NEXT:    s_add_u32 s6, s6, s11
-; GFX9-NEXT:    s_addc_u32 s10, 0, s10
-; GFX9-NEXT:    s_add_u32 s6, s6, s8
-; GFX9-NEXT:    s_mul_hi_u32 s11, s5, s9
-; GFX9-NEXT:    s_addc_u32 s6, s10, s7
-; GFX9-NEXT:    s_addc_u32 s7, s11, 0
-; GFX9-NEXT:    s_mul_i32 s8, s5, s9
-; GFX9-NEXT:    s_add_u32 s6, s6, s8
-; GFX9-NEXT:    v_mov_b32_e32 v2, s6
-; GFX9-NEXT:    s_addc_u32 s7, 0, s7
-; GFX9-NEXT:    v_add_co_u32_e32 v4, vcc, s4, v2
-; GFX9-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX9-NEXT:    s_addc_u32 s6, s5, s7
-; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v0, s6, 0
-; GFX9-NEXT:    v_mul_hi_u32 v5, v0, v4
-; GFX9-NEXT:    v_add_co_u32_e32 v6, vcc, v5, v2
-; GFX9-NEXT:    v_addc_co_u32_e32 v7, vcc, 0, v3, vcc
-; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v1, v4, 0
-; GFX9-NEXT:    v_mad_u64_u32 v[4:5], s[4:5], v1, s6, 0
-; GFX9-NEXT:    v_add_co_u32_e32 v2, vcc, v6, v2
-; GFX9-NEXT:    v_addc_co_u32_e32 v2, vcc, v7, v3, vcc
-; GFX9-NEXT:    v_addc_co_u32_e32 v3, vcc, 0, v5, vcc
-; GFX9-NEXT:    v_add_co_u32_e32 v5, vcc, v2, v4
-; GFX9-NEXT:    v_addc_co_u32_e32 v6, vcc, 0, v3, vcc
-; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v5, 6, 0
-; GFX9-NEXT:    v_mad_u64_u32 v[3:4], s[4:5], v6, 6, v[3:4]
-; GFX9-NEXT:    v_sub_co_u32_e32 v0, vcc, v0, v2
-; GFX9-NEXT:    v_subb_co_u32_e32 v1, vcc, v1, v3, vcc
-; GFX9-NEXT:    v_subrev_co_u32_e32 v2, vcc, 6, v0
-; GFX9-NEXT:    v_subbrev_co_u32_e32 v3, vcc, 0, v1, vcc
-; GFX9-NEXT:    v_cmp_lt_u32_e32 vcc, 5, v2
-; GFX9-NEXT:    v_cndmask_b32_e64 v2, 0, -1, vcc
-; GFX9-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v3
-; GFX9-NEXT:    v_cndmask_b32_e32 v2, -1, v2, vcc
-; GFX9-NEXT:    v_add_co_u32_e32 v3, vcc, 2, v5
-; GFX9-NEXT:    v_addc_co_u32_e32 v4, vcc, 0, v6, vcc
-; GFX9-NEXT:    v_add_co_u32_e32 v7, vcc, 1, v5
-; GFX9-NEXT:    v_cmp_lt_u32_e64 s[4:5], 5, v0
-; GFX9-NEXT:    v_addc_co_u32_e32 v8, vcc, 0, v6, vcc
-; GFX9-NEXT:    v_cndmask_b32_e64 v0, 0, -1, s[4:5]
-; GFX9-NEXT:    v_cmp_eq_u32_e64 s[4:5], 0, v1
-; GFX9-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v2
-; GFX9-NEXT:    v_cndmask_b32_e64 v0, -1, v0, s[4:5]
-; GFX9-NEXT:    v_cndmask_b32_e32 v2, v7, v3, vcc
-; GFX9-NEXT:    v_cmp_ne_u32_e64 s[4:5], 0, v0
-; GFX9-NEXT:    v_cndmask_b32_e32 v1, v8, v4, vcc
-; GFX9-NEXT:    v_cndmask_b32_e64 v0, v5, v2, s[4:5]
-; GFX9-NEXT:    v_cndmask_b32_e64 v1, v6, v1, s[4:5]
+; GFX9-NEXT:    s_mov_b32 s4, 0xaaaaaaab
+; GFX9-NEXT:    v_mul_hi_u32 v2, v0, s4
+; GFX9-NEXT:    v_mov_b32_e32 v3, 0
+; GFX9-NEXT:    s_mov_b32 s6, 0xaaaaaaaa
+; GFX9-NEXT:    v_mad_u64_u32 v[4:5], s[4:5], v1, s4, v[2:3]
+; GFX9-NEXT:    v_mov_b32_e32 v6, v5
+; GFX9-NEXT:    v_mov_b32_e32 v5, v3
+; GFX9-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v0, s6, v[4:5]
+; GFX9-NEXT:    v_mov_b32_e32 v0, v3
+; GFX9-NEXT:    v_add_co_u32_e32 v2, vcc, v6, v0
+; GFX9-NEXT:    v_addc_co_u32_e64 v3, s[4:5], 0, 0, vcc
+; GFX9-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v1, s6, v[2:3]
+; GFX9-NEXT:    v_alignbit_b32 v0, v1, v0, 2
+; GFX9-NEXT:    v_lshrrev_b32_e32 v1, 2, v1
 ; GFX9-NEXT:    s_setpc_b64 s[30:31]
 ;
 ; GFX942-LABEL: udiv64_6:
 ; GFX942:       ; %bb.0: ; %entry
 ; GFX942-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX942-NEXT:    s_add_u32 s0, 0, 0xaaa80000
-; GFX942-NEXT:    s_addc_u32 s1, 0, 0xaa
-; GFX942-NEXT:    s_add_i32 s1, s1, 0x2aaaaa00
-; GFX942-NEXT:    s_mul_hi_u32 s5, s0, -6
-; GFX942-NEXT:    s_sub_i32 s5, s5, s0
-; GFX942-NEXT:    s_mul_i32 s6, s1, -6
-; GFX942-NEXT:    s_mul_i32 s2, s0, -6
-; GFX942-NEXT:    s_add_i32 s5, s5, s6
-; GFX942-NEXT:    s_mul_hi_u32 s3, s1, s2
-; GFX942-NEXT:    s_mul_i32 s4, s1, s2
-; GFX942-NEXT:    s_mul_i32 s7, s0, s5
-; GFX942-NEXT:    s_mul_hi_u32 s2, s0, s2
-; GFX942-NEXT:    s_mul_hi_u32 s6, s0, s5
-; GFX942-NEXT:    s_add_u32 s2, s2, s7
-; GFX942-NEXT:    s_addc_u32 s6, 0, s6
-; GFX942-NEXT:    s_add_u32 s2, s2, s4
-; GFX942-NEXT:    s_mul_hi_u32 s7, s1, s5
-; GFX942-NEXT:    s_addc_u32 s2, s6, s3
-; GFX942-NEXT:    s_addc_u32 s3, s7, 0
-; GFX942-NEXT:    s_mul_i32 s4, s1, s5
-; GFX942-NEXT:    s_add_u32 s2, s2, s4
-; GFX942-NEXT:    v_mov_b32_e32 v2, s2
-; GFX942-NEXT:    s_addc_u32 s3, 0, s3
-; GFX942-NEXT:    v_add_co_u32_e32 v8, vcc, s0, v2
-; GFX942-NEXT:    s_cmp_lg_u64 vcc, 0
-; GFX942-NEXT:    s_addc_u32 s2, s1, s3
-; GFX942-NEXT:    v_mad_u64_u32 v[2:3], s[0:1], v0, s2, 0
-; GFX942-NEXT:    v_mul_hi_u32 v4, v0, v8
-; GFX942-NEXT:    v_mov_b32_e32 v5, 0
-; GFX942-NEXT:    v_lshl_add_u64 v[2:3], v[4:5], 0, v[2:3]
-; GFX942-NEXT:    v_mad_u64_u32 v[8:9], s[0:1], v1, v8, 0
-; GFX942-NEXT:    v_add_co_u32_e32 v2, vcc, v2, v8
-; GFX942-NEXT:    v_mad_u64_u32 v[6:7], s[0:1], v1, s2, 0
-; GFX942-NEXT:    s_nop 0
-; GFX942-NEXT:    v_addc_co_u32_e32 v4, vcc, v3, v9, vcc
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_addc_co_u32_e32 v7, vcc, 0, v7, vcc
-; GFX942-NEXT:    v_lshl_add_u64 v[2:3], v[4:5], 0, v[6:7]
-; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v2, 6, 0
-; GFX942-NEXT:    v_mov_b32_e32 v6, v5
-; GFX942-NEXT:    v_mad_u64_u32 v[6:7], s[0:1], v3, 6, v[6:7]
-; GFX942-NEXT:    v_sub_co_u32_e32 v7, vcc, v0, v4
-; GFX942-NEXT:    v_lshl_add_u64 v[4:5], v[2:3], 0, 1
-; GFX942-NEXT:    s_nop 0
-; GFX942-NEXT:    v_subb_co_u32_e32 v6, vcc, v1, v6, vcc
-; GFX942-NEXT:    v_subrev_co_u32_e32 v0, vcc, 6, v7
-; GFX942-NEXT:    v_cmp_lt_u32_e64 s[0:1], 5, v7
-; GFX942-NEXT:    s_nop 0
-; GFX942-NEXT:    v_subbrev_co_u32_e32 v1, vcc, 0, v6, vcc
-; GFX942-NEXT:    v_cmp_lt_u32_e32 vcc, 5, v0
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e64 v0, 0, -1, vcc
-; GFX942-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v1
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e32 v8, -1, v0, vcc
-; GFX942-NEXT:    v_lshl_add_u64 v[0:1], v[2:3], 0, 2
-; GFX942-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v8
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e32 v0, v4, v0, vcc
-; GFX942-NEXT:    v_cndmask_b32_e64 v4, 0, -1, s[0:1]
-; GFX942-NEXT:    v_cmp_eq_u32_e64 s[0:1], 0, v6
-; GFX942-NEXT:    v_cndmask_b32_e32 v1, v5, v1, vcc
-; GFX942-NEXT:    s_nop 0
-; GFX942-NEXT:    v_cndmask_b32_e64 v4, -1, v4, s[0:1]
-; GFX942-NEXT:    v_cmp_ne_u32_e64 s[0:1], 0, v4
-; GFX942-NEXT:    s_nop 1
-; GFX942-NEXT:    v_cndmask_b32_e64 v0, v2, v0, s[0:1]
-; GFX942-NEXT:    v_cndmask_b32_e64 v1, v3, v1, s[0:1]
+; GFX942-NEXT:    s_mov_b32 s0, 0xaaaaaaab
+; GFX942-NEXT:    v_mul_hi_u32 v2, v0, s0
+; GFX942-NEXT:    v_mov_b32_e32 v3, 0
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v1, s0, v[2:3]
+; GFX942-NEXT:    v_mov_b32_e32 v2, v5
+; GFX942-NEXT:    v_mov_b32_e32 v5, v3
+; GFX942-NEXT:    s_mov_b32 s2, 0xaaaaaaaa
+; GFX942-NEXT:    v_mad_u64_u32 v[4:5], s[0:1], v0, s2, v[4:5]
+; GFX942-NEXT:    v_mov_b32_e32 v4, v5
+; GFX942-NEXT:    v_mov_b32_e32 v5, v3
+; GFX942-NEXT:    v_lshl_add_u64 v[2:3], v[2:3], 0, v[4:5]
+; GFX942-NEXT:    v_mad_u64_u32 v[0:1], s[0:1], v1, s2, v[2:3]
+; GFX942-NEXT:    v_alignbit_b32 v0, v1, v0, 2
+; GFX942-NEXT:    v_lshrrev_b32_e32 v1, 2, v1
 ; GFX942-NEXT:    s_setpc_b64 s[30:31]
 ;
 ; GFX1030-LABEL: udiv64_6:
 ; GFX1030:       ; %bb.0: ; %entry
 ; GFX1030-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX1030-NEXT:    s_add_u32 s4, 0, 0xaaa80000
-; GFX1030-NEXT:    s_addc_u32 s5, 0, 0xaa
-; GFX1030-NEXT:    s_mul_hi_u32 s7, s4, -6
-; GFX1030-NEXT:    s_add_i32 s5, s5, 0x2aaaaa00
-; GFX1030-NEXT:    s_sub_i32 s7, s7, s4
-; GFX1030-NEXT:    s_mul_i32 s8, s5, -6
-; GFX1030-NEXT:    s_mul_i32 s6, s4, -6
-; GFX1030-NEXT:    s_add_i32 s7, s7, s8
-; GFX1030-NEXT:    s_mul_hi_u32 s9, s5, s6
-; GFX1030-NEXT:    s_mul_i32 s8, s5, s6
-; GFX1030-NEXT:    s_mul_i32 s10, s4, s7
-; GFX1030-NEXT:    s_mul_hi_u32 s6, s4, s6
-; GFX1030-NEXT:    s_mul_hi_u32 s11, s4, s7
-; GFX1030-NEXT:    s_add_u32 s6, s6, s10
-; GFX1030-NEXT:    s_addc_u32 s10, 0, s11
-; GFX1030-NEXT:    s_mul_hi_u32 s11, s5, s7
-; GFX1030-NEXT:    s_add_u32 s6, s6, s8
-; GFX1030-NEXT:    s_addc_u32 s6, s10, s9
-; GFX1030-NEXT:    s_mul_i32 s7, s5, s7
-; GFX1030-NEXT:    s_addc_u32 s8, s11, 0
-; GFX1030-NEXT:    s_add_u32 s6, s6, s7
-; GFX1030-NEXT:    v_add_co_u32 v4, s4, s4, s6
-; GFX1030-NEXT:    s_addc_u32 s6, 0, s8
-; GFX1030-NEXT:    s_cmp_lg_u32 s4, 0
-; GFX1030-NEXT:    s_addc_u32 s4, s5, s6
-; GFX1030-NEXT:    v_mul_hi_u32 v6, v0, v4
-; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v0, s4, 0
-; GFX1030-NEXT:    v_mad_u64_u32 v[4:5], null, v1, v4, 0
-; GFX1030-NEXT:    v_add_co_u32 v6, vcc_lo, v6, v2
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v7, vcc_lo, 0, v3, vcc_lo
-; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v1, s4, 0
-; GFX1030-NEXT:    v_add_co_u32 v4, vcc_lo, v6, v4
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v4, vcc_lo, v7, v5, vcc_lo
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v3, vcc_lo, 0, v3, vcc_lo
-; GFX1030-NEXT:    v_add_co_u32 v5, vcc_lo, v4, v2
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v6, vcc_lo, 0, v3, vcc_lo
-; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v5, 6, 0
-; GFX1030-NEXT:    v_mad_u64_u32 v[3:4], null, v6, 6, v[3:4]
-; GFX1030-NEXT:    v_sub_co_u32 v0, vcc_lo, v0, v2
-; GFX1030-NEXT:    v_sub_co_ci_u32_e32 v1, vcc_lo, v1, v3, vcc_lo
-; GFX1030-NEXT:    v_sub_co_u32 v2, vcc_lo, v0, 6
-; GFX1030-NEXT:    v_subrev_co_ci_u32_e32 v3, vcc_lo, 0, v1, vcc_lo
-; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 5, v2
-; GFX1030-NEXT:    v_cmp_eq_u32_e64 s4, 0, v1
-; GFX1030-NEXT:    v_cndmask_b32_e64 v2, 0, -1, vcc_lo
-; GFX1030-NEXT:    v_add_co_u32 v4, vcc_lo, v5, 2
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v7, vcc_lo, 0, v6, vcc_lo
-; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 5, v0
-; GFX1030-NEXT:    v_cndmask_b32_e64 v0, 0, -1, vcc_lo
-; GFX1030-NEXT:    v_cmp_eq_u32_e32 vcc_lo, 0, v3
-; GFX1030-NEXT:    v_cndmask_b32_e64 v0, -1, v0, s4
-; GFX1030-NEXT:    v_cndmask_b32_e32 v2, -1, v2, vcc_lo
-; GFX1030-NEXT:    v_add_co_u32 v3, vcc_lo, v5, 1
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v8, vcc_lo, 0, v6, vcc_lo
-; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v2
-; GFX1030-NEXT:    v_cndmask_b32_e32 v1, v3, v4, vcc_lo
-; GFX1030-NEXT:    v_cndmask_b32_e32 v2, v8, v7, vcc_lo
-; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v0
-; GFX1030-NEXT:    v_cndmask_b32_e32 v0, v5, v1, vcc_lo
-; GFX1030-NEXT:    v_cndmask_b32_e32 v1, v6, v2, vcc_lo
+; GFX1030-NEXT:    v_mul_hi_u32 v2, 0xaaaaaaab, v0
+; GFX1030-NEXT:    v_mov_b32_e32 v3, 0
+; GFX1030-NEXT:    v_mad_u64_u32 v[4:5], null, 0xaaaaaaab, v1, v[2:3]
+; GFX1030-NEXT:    v_mov_b32_e32 v6, v5
+; GFX1030-NEXT:    v_mov_b32_e32 v5, v3
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, 0xaaaaaaaa, v0, v[4:5]
+; GFX1030-NEXT:    v_mov_b32_e32 v0, v3
+; GFX1030-NEXT:    v_add_co_u32 v2, s4, v6, v0
+; GFX1030-NEXT:    v_add_co_ci_u32_e64 v3, null, 0, 0, s4
+; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, 0xaaaaaaaa, v1, v[2:3]
+; GFX1030-NEXT:    v_alignbit_b32 v0, v1, v0, 2
+; GFX1030-NEXT:    v_lshrrev_b32_e32 v1, 2, v1
 ; GFX1030-NEXT:    s_setpc_b64 s[30:31]
 entry:
   %div = udiv i64 %i, 6
diff --git a/llvm/test/CodeGen/AMDGPU/fshr.ll b/llvm/test/CodeGen/AMDGPU/fshr.ll
index 31f574d44ab8c..1d16eb0a6c276 100644
--- a/llvm/test/CodeGen/AMDGPU/fshr.ll
+++ b/llvm/test/CodeGen/AMDGPU/fshr.ll
@@ -1396,14 +1396,14 @@ define <2 x i24> @v_fshr_v2i24(<2 x i24> %src0, <2 x i24> %src1, <2 x i24> %src2
 ; SI-NEXT:    v_mul_hi_u32 v6, v6, s4
 ; SI-NEXT:    v_and_b32_e32 v7, 0xffffff, v5
 ; SI-NEXT:    v_lshlrev_b32_e32 v2, 8, v2
-; SI-NEXT:    v_mul_u32_u24_e32 v6, 24, v6
-; SI-NEXT:    v_sub_i32_e32 v4, vcc, v4, v6
+; SI-NEXT:    v_lshlrev_b32_e32 v6, 3, v6
+; SI-NEXT:    v_add_i32_e32 v4, vcc, v4, v6
 ; SI-NEXT:    v_mul_hi_u32 v6, v7, s4
 ; SI-NEXT:    v_add_i32_e32 v4, vcc, 8, v4
 ; SI-NEXT:    v_alignbit_b32 v0, v0, v2, v4
 ; SI-NEXT:    v_lshlrev_b32_e32 v2, 8, v3
-; SI-NEXT:    v_mul_u32_u24_e32 v3, 24, v6
-; SI-NEXT:    v_sub_i32_e32 v3, vcc, v5, v3
+; SI-NEXT:    v_lshlrev_b32_e32 v3, 3, v6
+; SI-NEXT:    v_add_i32_e32 v3, vcc, v5, v3
 ; SI-NEXT:    v_add_i32_e32 v3, vcc, 8, v3
 ; SI-NEXT:    v_alignbit_b32 v1, v1, v2, v3
 ; SI-NEXT:    s_setpc_b64 s[30:31]
@@ -1416,14 +1416,14 @@ define <2 x i24> @v_fshr_v2i24(<2 x i24> %src0, <2 x i24> %src1, <2 x i24> %src2
 ; VI-NEXT:    v_mul_hi_u32 v6, v6, s4
 ; VI-NEXT:    v_and_b32_e32 v7, 0xffffff, v5
 ; VI-NEXT:    v_lshlrev_b32_e32 v2, 8, v2
-; VI-NEXT:    v_mul_u32_u24_e32 v6, 24, v6
-; VI-NEXT:    v_sub_u32_e32 v4, vcc, v4, v6
+; VI-NEXT:    v_lshlrev_b32_e32 v6, 3, v6
+; VI-NEXT:    v_add_u32_e32 v4, vcc, v4, v6
 ; VI-NEXT:    v_mul_hi_u32 v6, v7, s4
 ; VI-NEXT:    v_add_u32_e32 v4, vcc, 8, v4
 ; VI-NEXT:    v_alignbit_b32 v0, v0, v2, v4
 ; VI-NEXT:    v_lshlrev_b32_e32 v2, 8, v3
-; VI-NEXT:    v_mul_u32_u24_e32 v3, 24, v6
-; VI-NEXT:    v_sub_u32_e32 v3, vcc, v5, v3
+; VI-NEXT:    v_lshlrev_b32_e32 v3, 3, v6
+; VI-NEXT:    v_add_u32_e32 v3, vcc, v5, v3
 ; VI-NEXT:    v_add_u32_e32 v3, vcc, 8, v3
 ; VI-NEXT:    v_alignbit_b32 v1, v1, v2, v3
 ; VI-NEXT:    s_setpc_b64 s[30:31]
@@ -1435,17 +1435,15 @@ define <2 x i24> @v_fshr_v2i24(<2 x i24> %src0, <2 x i24> %src1, <2 x i24> %src2
 ; GFX9-NEXT:    s_mov_b32 s4, 0xaaaaaab
 ; GFX9-NEXT:    v_mul_hi_u32 v6, v6, s4
 ; GFX9-NEXT:    v_and_b32_e32 v7, 0xffffff, v5
+; GFX9-NEXT:    v_mul_hi_u32 v7, v7, s4
 ; GFX9-NEXT:    v_lshlrev_b32_e32 v2, 8, v2
-; GFX9-NEXT:    v_mul_u32_u24_e32 v6, 24, v6
-; GFX9-NEXT:    v_sub_u32_e32 v4, v4, v6
-; GFX9-NEXT:    v_mul_hi_u32 v6, v7, s4
-; GFX9-NEXT:    v_add_u32_e32 v4, 8, v4
+; GFX9-NEXT:    v_lshlrev_b32_e32 v6, 3, v6
+; GFX9-NEXT:    v_add3_u32 v4, v4, v6, 8
 ; GFX9-NEXT:    v_alignbit_b32 v0, v0, v2, v4
-; GFX9-NEXT:    v_lshlrev_b32_e32 v2, 8, v3
-; GFX9-NEXT:    v_mul_u32_u24_e32 v3, 24, v6
-; GFX9-NEXT:    v_sub_u32_e32 v3, v5, v3
-; GFX9-NEXT:    v_add_u32_e32 v3, 8, v3
-; GFX9-NEXT:    v_alignbit_b32 v1, v1, v2, v3
+; GFX9-NEXT:    v_lshlrev_b32_e32 v2, 3, v7
+; GFX9-NEXT:    v_add3_u32 v2, v5, v2, 8
+; GFX9-NEXT:    v_lshlrev_b32_e32 v3, 8, v3
+; GFX9-NEXT:    v_alignbit_b32 v1, v1, v3, v2
 ; GFX9-NEXT:    s_setpc_b64 s[30:31]
 ;
 ; R600-LABEL: v_fshr_v2i24:
@@ -1462,12 +1460,10 @@ define <2 x i24> @v_fshr_v2i24(<2 x i24> %src0, <2 x i24> %src1, <2 x i24> %src2
 ; GFX10-NEXT:    v_lshlrev_b32_e32 v3, 8, v3
 ; GFX10-NEXT:    v_mul_hi_u32 v6, 0xaaaaaab, v6
 ; GFX10-NEXT:    v_mul_hi_u32 v7, 0xaaaaaab, v7
-; GFX10-NEXT:    v_mul_u32_u24_e32 v6, 24, v6
-; GFX10-NEXT:    v_mul_u32_u24_e32 v7, 24, v7
-; GFX10-NEXT:    v_sub_nc_u32_e32 v4, v4, v6
-; GFX10-NEXT:    v_sub_nc_u32_e32 v5, v5, v7
-; GFX10-NEXT:    v_add_nc_u32_e32 v4, 8, v4
-; GFX10-NEXT:    v_add_nc_u32_e32 v5, 8, v5
+; GFX10-NEXT:    v_lshlrev_b32_e32 v6, 3, v6
+; GFX10-NEXT:    v_lshlrev_b32_e32 v7, 3, v7
+; GFX10-NEXT:    v_add3_u32 v4, v4, v6, 8
+; GFX10-NEXT:    v_add3_u32 v5, v5, v7, 8
 ; GFX10-NEXT:    v_alignbit_b32 v0, v0, v2, v4
 ; GFX10-NEXT:    v_alignbit_b32 v1, v1, v3, v5
 ; GFX10-NEXT:    s_setpc_b64 s[30:31]
@@ -1483,14 +1479,11 @@ define <2 x i24> @v_fshr_v2i24(<2 x i24> %src0, <2 x i24> %src1, <2 x i24> %src2
 ; GFX11-NEXT:    v_mul_hi_u32 v6, 0xaaaaaab, v6
 ; GFX11-NEXT:    v_mul_hi_u32 v7, 0xaaaaaab, v7
 ; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_2) | instskip(NEXT) | instid1(VALU_DEP_2)
-; GFX11-NEXT:    v_mul_u32_u24_e32 v6, 24, v6
-; GFX11-NEXT:    v_mul_u32_u24_e32 v7, 24, v7
+; GFX11-NEXT:    v_lshlrev_b32_e32 v6, 3, v6
+; GFX11-NEXT:    v_lshlrev_b32_e32 v7, 3, v7
 ; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_2) | instskip(NEXT) | instid1(VALU_DEP_2)
-; GFX11-NEXT:    v_sub_nc_u32_e32 v4, v4, v6
-; GFX11-NEXT:    v_sub_nc_u32_e32 v5, v5, v7
-; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_2) | instskip(NEXT) | instid1(VALU_DEP_2)
-; GFX11-NEXT:    v_add_nc_u32_e32 v4, 8, v4
-; GFX11-NEXT:    v_add_nc_u32_e32 v5, 8, v5
+; GFX11-NEXT:    v_add3_u32 v4, v4, v6, 8
+; GFX11-NEXT:    v_add3_u32 v5, v5, v7, 8
 ; GFX11-NEXT:    s_delay_alu instid0(VALU_DEP_2) | instskip(NEXT) | instid1(VALU_DEP_2)
 ; GFX11-NEXT:    v_alignbit_b32 v0, v0, v2, v4
 ; GFX11-NEXT:    v_alignbit_b32 v1, v1, v3, v5
diff --git a/llvm/test/CodeGen/AMDGPU/udiv.ll b/llvm/test/CodeGen/AMDGPU/udiv.ll
index dfd9a650ff0e9..735956caa72da 100644
--- a/llvm/test/CodeGen/AMDGPU/udiv.ll
+++ b/llvm/test/CodeGen/AMDGPU/udiv.ll
@@ -2474,286 +2474,88 @@ define i64 @v_test_udiv64_mulhi_fold(i64 %arg) {
 ; SI-LABEL: v_test_udiv64_mulhi_fold:
 ; SI:       ; %bb.0:
 ; SI-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; SI-NEXT:    s_mov_b32 s4, 0x346d900
-; SI-NEXT:    s_add_u32 s4, 0x4237, s4
-; SI-NEXT:    v_mov_b32_e32 v2, 0xa9000000
-; SI-NEXT:    v_add_i32_e32 v2, vcc, s4, v2
-; SI-NEXT:    s_addc_u32 s5, 0, 0
-; SI-NEXT:    s_or_b32 s4, vcc_lo, vcc_hi
-; SI-NEXT:    s_cmp_lg_u32 s4, 0
-; SI-NEXT:    s_mov_b32 s4, 0xfffe7960
-; SI-NEXT:    v_mul_hi_u32 v3, v2, s4
-; SI-NEXT:    v_mul_lo_u32 v4, v2, s4
-; SI-NEXT:    s_addc_u32 s5, s5, 0xa7c5
-; SI-NEXT:    s_mul_i32 s6, s5, 0xfffe7960
-; SI-NEXT:    v_sub_i32_e32 v3, vcc, v3, v2
-; SI-NEXT:    v_add_i32_e32 v3, vcc, s6, v3
-; SI-NEXT:    v_mul_lo_u32 v5, v2, v3
-; SI-NEXT:    v_mul_hi_u32 v6, v2, v4
-; SI-NEXT:    v_mul_hi_u32 v7, v2, v3
-; SI-NEXT:    v_mul_hi_u32 v8, s5, v3
-; SI-NEXT:    v_mul_lo_u32 v3, s5, v3
-; SI-NEXT:    v_add_i32_e32 v5, vcc, v6, v5
-; SI-NEXT:    v_addc_u32_e32 v6, vcc, 0, v7, vcc
-; SI-NEXT:    v_mul_lo_u32 v7, s5, v4
-; SI-NEXT:    v_mul_hi_u32 v4, s5, v4
-; SI-NEXT:    s_mov_b32 s4, 0x186a0
-; SI-NEXT:    v_add_i32_e32 v5, vcc, v5, v7
-; SI-NEXT:    v_addc_u32_e32 v4, vcc, v6, v4, vcc
-; SI-NEXT:    v_addc_u32_e32 v5, vcc, 0, v8, vcc
+; SI-NEXT:    v_alignbit_b32 v0, v1, v0, 5
+; SI-NEXT:    s_mov_b32 s4, 0x71b47843
+; SI-NEXT:    v_lshrrev_b32_e32 v1, 5, v1
+; SI-NEXT:    v_mul_hi_u32 v3, v0, s4
+; SI-NEXT:    v_mul_lo_u32 v4, v1, s4
+; SI-NEXT:    s_mov_b32 s6, 0xa7c5ac4
+; SI-NEXT:    v_mul_hi_u32 v5, v1, s4
+; SI-NEXT:    v_mul_hi_u32 v2, v0, s6
+; SI-NEXT:    v_mul_lo_u32 v0, v0, s6
 ; SI-NEXT:    v_add_i32_e32 v3, vcc, v4, v3
 ; SI-NEXT:    v_addc_u32_e32 v4, vcc, 0, v5, vcc
-; SI-NEXT:    v_mov_b32_e32 v5, s5
-; SI-NEXT:    v_add_i32_e32 v2, vcc, v2, v3
-; SI-NEXT:    v_addc_u32_e32 v3, vcc, v5, v4, vcc
-; SI-NEXT:    v_mul_lo_u32 v4, v0, v3
-; SI-NEXT:    v_mul_hi_u32 v5, v0, v2
-; SI-NEXT:    v_mul_hi_u32 v6, v0, v3
-; SI-NEXT:    v_mul_hi_u32 v7, v1, v3
-; SI-NEXT:    v_mul_lo_u32 v3, v1, v3
-; SI-NEXT:    v_add_i32_e32 v4, vcc, v5, v4
-; SI-NEXT:    v_addc_u32_e32 v5, vcc, 0, v6, vcc
-; SI-NEXT:    v_mul_lo_u32 v6, v1, v2
-; SI-NEXT:    v_mul_hi_u32 v2, v1, v2
-; SI-NEXT:    v_add_i32_e32 v4, vcc, v4, v6
-; SI-NEXT:    v_addc_u32_e32 v2, vcc, v5, v2, vcc
-; SI-NEXT:    v_addc_u32_e32 v4, vcc, 0, v7, vcc
-; SI-NEXT:    v_add_i32_e32 v2, vcc, v2, v3
-; SI-NEXT:    v_addc_u32_e32 v3, vcc, 0, v4, vcc
-; SI-NEXT:    v_mul_lo_u32 v4, v3, s4
-; SI-NEXT:    v_mul_hi_u32 v5, v2, s4
-; SI-NEXT:    v_mul_lo_u32 v6, v2, s4
-; SI-NEXT:    s_mov_b32 s4, 0x1869f
-; SI-NEXT:    v_add_i32_e32 v4, vcc, v5, v4
-; SI-NEXT:    v_sub_i32_e32 v0, vcc, v0, v6
-; SI-NEXT:    v_subb_u32_e32 v1, vcc, v1, v4, vcc
-; SI-NEXT:    v_subrev_i32_e32 v4, vcc, 0x186a0, v0
-; SI-NEXT:    v_subbrev_u32_e32 v5, vcc, 0, v1, vcc
-; SI-NEXT:    v_cmp_lt_u32_e32 vcc, s4, v4
-; SI-NEXT:    v_cndmask_b32_e64 v4, 0, -1, vcc
-; SI-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v5
-; SI-NEXT:    v_cndmask_b32_e32 v4, -1, v4, vcc
-; SI-NEXT:    v_add_i32_e32 v5, vcc, 2, v2
-; SI-NEXT:    v_addc_u32_e32 v6, vcc, 0, v3, vcc
-; SI-NEXT:    v_add_i32_e32 v7, vcc, 1, v2
-; SI-NEXT:    v_cmp_lt_u32_e64 s[4:5], s4, v0
-; SI-NEXT:    v_addc_u32_e32 v8, vcc, 0, v3, vcc
-; SI-NEXT:    v_cndmask_b32_e64 v0, 0, -1, s[4:5]
-; SI-NEXT:    v_cmp_eq_u32_e64 s[4:5], 0, v1
-; SI-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v4
-; SI-NEXT:    v_cndmask_b32_e64 v0, -1, v0, s[4:5]
-; SI-NEXT:    v_cndmask_b32_e32 v4, v7, v5, vcc
-; SI-NEXT:    v_cmp_ne_u32_e64 s[4:5], 0, v0
-; SI-NEXT:    v_cndmask_b32_e32 v1, v8, v6, vcc
-; SI-NEXT:    v_cndmask_b32_e64 v0, v2, v4, s[4:5]
-; SI-NEXT:    v_cndmask_b32_e64 v1, v3, v1, s[4:5]
+; SI-NEXT:    v_add_i32_e32 v0, vcc, v0, v3
+; SI-NEXT:    v_addc_u32_e32 v0, vcc, 0, v2, vcc
+; SI-NEXT:    v_mul_lo_u32 v2, v1, s6
+; SI-NEXT:    v_mul_hi_u32 v1, v1, s6
+; SI-NEXT:    v_add_i32_e32 v0, vcc, v4, v0
+; SI-NEXT:    v_addc_u32_e64 v3, s[4:5], 0, 0, vcc
+; SI-NEXT:    v_add_i32_e32 v0, vcc, v2, v0
+; SI-NEXT:    v_addc_u32_e32 v1, vcc, v1, v3, vcc
+; SI-NEXT:    v_alignbit_b32 v0, v1, v0, 7
+; SI-NEXT:    v_lshrrev_b32_e32 v1, 7, v1
 ; SI-NEXT:    s_setpc_b64 s[30:31]
 ;
 ; VI-LABEL: v_test_udiv64_mulhi_fold:
 ; VI:       ; %bb.0:
 ; VI-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; VI-NEXT:    s_mov_b32 s4, 0x346d900
-; VI-NEXT:    s_add_u32 s4, 0x4237, s4
-; VI-NEXT:    v_mov_b32_e32 v2, 0xa9000000
-; VI-NEXT:    v_add_u32_e32 v6, vcc, s4, v2
-; VI-NEXT:    s_mov_b32 s4, 0xfffe7960
-; VI-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v6, s4, 0
-; VI-NEXT:    s_addc_u32 s6, 0, 0
-; VI-NEXT:    s_cmp_lg_u64 vcc, 0
-; VI-NEXT:    s_addc_u32 s6, s6, 0xa7c5
-; VI-NEXT:    s_mul_i32 s4, s6, 0xfffe7960
-; VI-NEXT:    v_sub_u32_e32 v3, vcc, v3, v6
-; VI-NEXT:    v_add_u32_e32 v5, vcc, s4, v3
-; VI-NEXT:    v_mad_u64_u32 v[3:4], s[4:5], v6, v5, 0
-; VI-NEXT:    v_mul_hi_u32 v7, v6, v2
-; VI-NEXT:    v_add_u32_e32 v7, vcc, v7, v3
-; VI-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], s6, v2, 0
-; VI-NEXT:    v_addc_u32_e32 v8, vcc, 0, v4, vcc
-; VI-NEXT:    v_mad_u64_u32 v[4:5], s[4:5], s6, v5, 0
-; VI-NEXT:    v_add_u32_e32 v2, vcc, v7, v2
-; VI-NEXT:    v_addc_u32_e32 v2, vcc, v8, v3, vcc
-; VI-NEXT:    v_addc_u32_e32 v3, vcc, 0, v5, vcc
-; VI-NEXT:    v_add_u32_e32 v2, vcc, v2, v4
-; VI-NEXT:    v_addc_u32_e32 v3, vcc, 0, v3, vcc
-; VI-NEXT:    v_mov_b32_e32 v4, s6
-; VI-NEXT:    v_add_u32_e32 v5, vcc, v6, v2
-; VI-NEXT:    v_addc_u32_e32 v4, vcc, v4, v3, vcc
-; VI-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v0, v4, 0
-; VI-NEXT:    v_mul_hi_u32 v6, v0, v5
-; VI-NEXT:    v_add_u32_e32 v6, vcc, v6, v2
-; VI-NEXT:    v_addc_u32_e32 v7, vcc, 0, v3, vcc
-; VI-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v1, v5, 0
-; VI-NEXT:    v_mad_u64_u32 v[4:5], s[4:5], v1, v4, 0
-; VI-NEXT:    v_add_u32_e32 v2, vcc, v6, v2
-; VI-NEXT:    v_addc_u32_e32 v2, vcc, v7, v3, vcc
-; VI-NEXT:    v_addc_u32_e32 v3, vcc, 0, v5, vcc
-; VI-NEXT:    v_add_u32_e32 v4, vcc, v2, v4
-; VI-NEXT:    v_addc_u32_e32 v5, vcc, 0, v3, vcc
-; VI-NEXT:    s_mov_b32 s4, 0x186a0
-; VI-NEXT:    v_mul_lo_u32 v6, v5, s4
-; VI-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v4, s4, 0
-; VI-NEXT:    s_mov_b32 s4, 0x1869f
-; VI-NEXT:    v_add_u32_e32 v3, vcc, v3, v6
-; VI-NEXT:    v_sub_u32_e32 v0, vcc, v0, v2
-; VI-NEXT:    v_subb_u32_e32 v1, vcc, v1, v3, vcc
-; VI-NEXT:    v_subrev_u32_e32 v2, vcc, 0x186a0, v0
-; VI-NEXT:    v_subbrev_u32_e32 v3, vcc, 0, v1, vcc
-; VI-NEXT:    v_cmp_lt_u32_e32 vcc, s4, v2
-; VI-NEXT:    v_cndmask_b32_e64 v2, 0, -1, vcc
-; VI-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v3
-; VI-NEXT:    v_cndmask_b32_e32 v2, -1, v2, vcc
-; VI-NEXT:    v_add_u32_e32 v3, vcc, 2, v4
-; VI-NEXT:    v_addc_u32_e32 v6, vcc, 0, v5, vcc
-; VI-NEXT:    v_add_u32_e32 v7, vcc, 1, v4
-; VI-NEXT:    v_cmp_lt_u32_e64 s[4:5], s4, v0
-; VI-NEXT:    v_addc_u32_e32 v8, vcc, 0, v5, vcc
-; VI-NEXT:    v_cndmask_b32_e64 v0, 0, -1, s[4:5]
-; VI-NEXT:    v_cmp_eq_u32_e64 s[4:5], 0, v1
-; VI-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v2
-; VI-NEXT:    v_cndmask_b32_e64 v0, -1, v0, s[4:5]
-; VI-NEXT:    v_cndmask_b32_e32 v2, v7, v3, vcc
-; VI-NEXT:    v_cmp_ne_u32_e64 s[4:5], 0, v0
-; VI-NEXT:    v_cndmask_b32_e32 v1, v8, v6, vcc
-; VI-NEXT:    v_cndmask_b32_e64 v0, v4, v2, s[4:5]
-; VI-NEXT:    v_cndmask_b32_e64 v1, v5, v1, s[4:5]
+; VI-NEXT:    v_alignbit_b32 v4, v1, v0, 5
+; VI-NEXT:    s_mov_b32 s4, 0x71b47843
+; VI-NEXT:    v_mul_hi_u32 v2, v4, s4
+; VI-NEXT:    v_mov_b32_e32 v3, 0
+; VI-NEXT:    v_lshrrev_b32_e32 v5, 5, v1
+; VI-NEXT:    s_mov_b32 s6, 0xa7c5ac4
+; VI-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v5, s4, v[2:3]
+; VI-NEXT:    v_mov_b32_e32 v2, v0
+; VI-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v4, s6, v[2:3]
+; VI-NEXT:    v_mov_b32_e32 v0, v1
+; VI-NEXT:    v_mov_b32_e32 v1, v3
+; VI-NEXT:    v_add_u32_e32 v0, vcc, v0, v1
+; VI-NEXT:    v_addc_u32_e64 v1, s[4:5], 0, 0, vcc
+; VI-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v5, s6, v[0:1]
+; VI-NEXT:    v_alignbit_b32 v0, v1, v0, 7
+; VI-NEXT:    v_lshrrev_b32_e32 v1, 7, v1
 ; VI-NEXT:    s_setpc_b64 s[30:31]
 ;
 ; GCN-LABEL: v_test_udiv64_mulhi_fold:
 ; GCN:       ; %bb.0:
 ; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GCN-NEXT:    s_mov_b32 s4, 0x346d900
-; GCN-NEXT:    s_add_u32 s4, 0x4237, s4
-; GCN-NEXT:    v_mov_b32_e32 v2, 0xa9000000
-; GCN-NEXT:    v_add_u32_e32 v6, vcc, s4, v2
-; GCN-NEXT:    s_mov_b32 s4, 0xfffe7960
-; GCN-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v6, s4, 0
-; GCN-NEXT:    s_addc_u32 s6, 0, 0
-; GCN-NEXT:    s_cmp_lg_u64 vcc, 0
-; GCN-NEXT:    s_addc_u32 s6, s6, 0xa7c5
-; GCN-NEXT:    s_mul_i32 s4, s6, 0xfffe7960
-; GCN-NEXT:    v_sub_u32_e32 v3, vcc, v3, v6
-; GCN-NEXT:    v_add_u32_e32 v5, vcc, s4, v3
-; GCN-NEXT:    v_mad_u64_u32 v[3:4], s[4:5], v6, v5, 0
-; GCN-NEXT:    v_mul_hi_u32 v7, v6, v2
-; GCN-NEXT:    v_add_u32_e32 v7, vcc, v7, v3
-; GCN-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], s6, v2, 0
-; GCN-NEXT:    v_addc_u32_e32 v8, vcc, 0, v4, vcc
-; GCN-NEXT:    v_mad_u64_u32 v[4:5], s[4:5], s6, v5, 0
-; GCN-NEXT:    v_add_u32_e32 v2, vcc, v7, v2
-; GCN-NEXT:    v_addc_u32_e32 v2, vcc, v8, v3, vcc
-; GCN-NEXT:    v_addc_u32_e32 v3, vcc, 0, v5, vcc
-; GCN-NEXT:    v_add_u32_e32 v2, vcc, v2, v4
-; GCN-NEXT:    v_addc_u32_e32 v3, vcc, 0, v3, vcc
-; GCN-NEXT:    v_mov_b32_e32 v4, s6
-; GCN-NEXT:    v_add_u32_e32 v5, vcc, v6, v2
-; GCN-NEXT:    v_addc_u32_e32 v4, vcc, v4, v3, vcc
-; GCN-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v0, v4, 0
-; GCN-NEXT:    v_mul_hi_u32 v6, v0, v5
-; GCN-NEXT:    v_add_u32_e32 v6, vcc, v6, v2
-; GCN-NEXT:    v_addc_u32_e32 v7, vcc, 0, v3, vcc
-; GCN-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v1, v5, 0
-; GCN-NEXT:    v_mad_u64_u32 v[4:5], s[4:5], v1, v4, 0
-; GCN-NEXT:    v_add_u32_e32 v2, vcc, v6, v2
-; GCN-NEXT:    v_addc_u32_e32 v2, vcc, v7, v3, vcc
-; GCN-NEXT:    v_addc_u32_e32 v3, vcc, 0, v5, vcc
-; GCN-NEXT:    v_add_u32_e32 v4, vcc, v2, v4
-; GCN-NEXT:    v_addc_u32_e32 v5, vcc, 0, v3, vcc
-; GCN-NEXT:    s_mov_b32 s4, 0x186a0
-; GCN-NEXT:    v_mul_lo_u32 v6, v5, s4
-; GCN-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v4, s4, 0
-; GCN-NEXT:    s_mov_b32 s4, 0x1869f
-; GCN-NEXT:    v_add_u32_e32 v3, vcc, v3, v6
-; GCN-NEXT:    v_sub_u32_e32 v0, vcc, v0, v2
-; GCN-NEXT:    v_subb_u32_e32 v1, vcc, v1, v3, vcc
-; GCN-NEXT:    v_subrev_u32_e32 v2, vcc, 0x186a0, v0
-; GCN-NEXT:    v_subbrev_u32_e32 v3, vcc, 0, v1, vcc
-; GCN-NEXT:    v_cmp_lt_u32_e32 vcc, s4, v2
-; GCN-NEXT:    v_cndmask_b32_e64 v2, 0, -1, vcc
-; GCN-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v3
-; GCN-NEXT:    v_cndmask_b32_e32 v2, -1, v2, vcc
-; GCN-NEXT:    v_add_u32_e32 v3, vcc, 2, v4
-; GCN-NEXT:    v_addc_u32_e32 v6, vcc, 0, v5, vcc
-; GCN-NEXT:    v_add_u32_e32 v7, vcc, 1, v4
-; GCN-NEXT:    v_cmp_lt_u32_e64 s[4:5], s4, v0
-; GCN-NEXT:    v_addc_u32_e32 v8, vcc, 0, v5, vcc
-; GCN-NEXT:    v_cndmask_b32_e64 v0, 0, -1, s[4:5]
-; GCN-NEXT:    v_cmp_eq_u32_e64 s[4:5], 0, v1
-; GCN-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v2
-; GCN-NEXT:    v_cndmask_b32_e64 v0, -1, v0, s[4:5]
-; GCN-NEXT:    v_cndmask_b32_e32 v2, v7, v3, vcc
-; GCN-NEXT:    v_cmp_ne_u32_e64 s[4:5], 0, v0
-; GCN-NEXT:    v_cndmask_b32_e32 v1, v8, v6, vcc
-; GCN-NEXT:    v_cndmask_b32_e64 v0, v4, v2, s[4:5]
-; GCN-NEXT:    v_cndmask_b32_e64 v1, v5, v1, s[4:5]
+; GCN-NEXT:    v_alignbit_b32 v4, v1, v0, 5
+; GCN-NEXT:    s_mov_b32 s4, 0x71b47843
+; GCN-NEXT:    v_mul_hi_u32 v2, v4, s4
+; GCN-NEXT:    v_mov_b32_e32 v3, 0
+; GCN-NEXT:    v_lshrrev_b32_e32 v5, 5, v1
+; GCN-NEXT:    s_mov_b32 s6, 0xa7c5ac4
+; GCN-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v5, s4, v[2:3]
+; GCN-NEXT:    v_mov_b32_e32 v2, v0
+; GCN-NEXT:    v_mad_u64_u32 v[2:3], s[4:5], v4, s6, v[2:3]
+; GCN-NEXT:    v_mov_b32_e32 v0, v1
+; GCN-NEXT:    v_mov_b32_e32 v1, v3
+; GCN-NEXT:    v_add_u32_e32 v0, vcc, v0, v1
+; GCN-NEXT:    v_addc_u32_e64 v1, s[4:5], 0, 0, vcc
+; GCN-NEXT:    v_mad_u64_u32 v[0:1], s[4:5], v5, s6, v[0:1]
+; GCN-NEXT:    v_alignbit_b32 v0, v1, v0, 7
+; GCN-NEXT:    v_lshrrev_b32_e32 v1, 7, v1
 ; GCN-NEXT:    s_setpc_b64 s[30:31]
 ;
 ; GFX1030-LABEL: v_test_udiv64_mulhi_fold:
 ; GFX1030:       ; %bb.0:
 ; GFX1030-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GFX1030-NEXT:    s_mov_b32 s4, 0x346d900
-; GFX1030-NEXT:    s_add_u32 s4, 0x4237, s4
-; GFX1030-NEXT:    s_addc_u32 s5, 0, 0
-; GFX1030-NEXT:    v_add_co_u32 v2, s4, 0xa9000000, s4
-; GFX1030-NEXT:    s_cmp_lg_u32 s4, 0
-; GFX1030-NEXT:    s_addc_u32 s5, s5, 0xa7c5
-; GFX1030-NEXT:    v_readfirstlane_b32 s4, v2
-; GFX1030-NEXT:    s_mul_i32 s6, s5, 0xfffe7960
-; GFX1030-NEXT:    s_mul_hi_u32 s7, s4, 0xfffe7960
-; GFX1030-NEXT:    s_mul_i32 s8, s4, 0xfffe7960
-; GFX1030-NEXT:    s_sub_i32 s7, s7, s4
-; GFX1030-NEXT:    s_mul_hi_u32 s9, s4, s8
-; GFX1030-NEXT:    s_add_i32 s7, s7, s6
-; GFX1030-NEXT:    s_mul_hi_u32 s10, s5, s8
-; GFX1030-NEXT:    s_mul_i32 s6, s5, s8
-; GFX1030-NEXT:    s_mul_hi_u32 s8, s4, s7
-; GFX1030-NEXT:    s_mul_i32 s4, s4, s7
-; GFX1030-NEXT:    s_mul_hi_u32 s11, s5, s7
-; GFX1030-NEXT:    s_add_u32 s4, s9, s4
-; GFX1030-NEXT:    s_addc_u32 s8, 0, s8
-; GFX1030-NEXT:    s_add_u32 s4, s4, s6
-; GFX1030-NEXT:    s_mul_i32 s7, s5, s7
-; GFX1030-NEXT:    s_addc_u32 s4, s8, s10
-; GFX1030-NEXT:    s_addc_u32 s6, s11, 0
-; GFX1030-NEXT:    s_add_u32 s4, s4, s7
-; GFX1030-NEXT:    s_addc_u32 s6, 0, s6
-; GFX1030-NEXT:    v_add_co_u32 v4, s4, v2, s4
-; GFX1030-NEXT:    s_cmp_lg_u32 s4, 0
-; GFX1030-NEXT:    s_addc_u32 s4, s5, s6
-; GFX1030-NEXT:    v_mul_hi_u32 v8, v0, v4
-; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, v0, s4, 0
-; GFX1030-NEXT:    v_mad_u64_u32 v[4:5], null, v1, v4, 0
-; GFX1030-NEXT:    v_mad_u64_u32 v[6:7], null, v1, s4, 0
-; GFX1030-NEXT:    v_add_co_u32 v2, vcc_lo, v8, v2
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v3, vcc_lo, 0, v3, vcc_lo
-; GFX1030-NEXT:    v_add_co_u32 v2, vcc_lo, v2, v4
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v2, vcc_lo, v3, v5, vcc_lo
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v3, vcc_lo, 0, v7, vcc_lo
-; GFX1030-NEXT:    v_add_co_u32 v5, vcc_lo, v2, v6
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v6, vcc_lo, 0, v3, vcc_lo
-; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, 0x186a0, v5, 0
-; GFX1030-NEXT:    v_mad_u64_u32 v[3:4], null, 0x186a0, v6, v[3:4]
-; GFX1030-NEXT:    v_sub_co_u32 v0, vcc_lo, v0, v2
-; GFX1030-NEXT:    v_sub_co_ci_u32_e32 v1, vcc_lo, v1, v3, vcc_lo
-; GFX1030-NEXT:    v_subrev_co_u32 v2, vcc_lo, 0x186a0, v0
-; GFX1030-NEXT:    v_subrev_co_ci_u32_e32 v3, vcc_lo, 0, v1, vcc_lo
-; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 0x1869f, v2
-; GFX1030-NEXT:    v_cmp_eq_u32_e64 s4, 0, v1
-; GFX1030-NEXT:    v_cndmask_b32_e64 v2, 0, -1, vcc_lo
-; GFX1030-NEXT:    v_add_co_u32 v4, vcc_lo, v5, 2
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v7, vcc_lo, 0, v6, vcc_lo
-; GFX1030-NEXT:    v_cmp_lt_u32_e32 vcc_lo, 0x1869f, v0
-; GFX1030-NEXT:    v_cndmask_b32_e64 v0, 0, -1, vcc_lo
-; GFX1030-NEXT:    v_cmp_eq_u32_e32 vcc_lo, 0, v3
-; GFX1030-NEXT:    v_cndmask_b32_e64 v0, -1, v0, s4
-; GFX1030-NEXT:    v_cndmask_b32_e32 v2, -1, v2, vcc_lo
-; GFX1030-NEXT:    v_add_co_u32 v3, vcc_lo, v5, 1
-; GFX1030-NEXT:    v_add_co_ci_u32_e32 v8, vcc_lo, 0, v6, vcc_lo
-; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v2
-; GFX1030-NEXT:    v_cndmask_b32_e32 v1, v3, v4, vcc_lo
-; GFX1030-NEXT:    v_cndmask_b32_e32 v2, v8, v7, vcc_lo
-; GFX1030-NEXT:    v_cmp_ne_u32_e32 vcc_lo, 0, v0
-; GFX1030-NEXT:    v_cndmask_b32_e32 v0, v5, v1, vcc_lo
-; GFX1030-NEXT:    v_cndmask_b32_e32 v1, v6, v2, vcc_lo
+; GFX1030-NEXT:    v_alignbit_b32 v4, v1, v0, 5
+; GFX1030-NEXT:    v_mov_b32_e32 v3, 0
+; GFX1030-NEXT:    v_lshrrev_b32_e32 v5, 5, v1
+; GFX1030-NEXT:    v_mul_hi_u32 v2, 0x71b47843, v4
+; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, 0x71b47843, v5, v[2:3]
+; GFX1030-NEXT:    v_mov_b32_e32 v2, v0
+; GFX1030-NEXT:    v_mov_b32_e32 v0, v1
+; GFX1030-NEXT:    v_mad_u64_u32 v[2:3], null, 0xa7c5ac4, v4, v[2:3]
+; GFX1030-NEXT:    v_mov_b32_e32 v1, v3
+; GFX1030-NEXT:    v_add_co_u32 v0, s4, v0, v1
+; GFX1030-NEXT:    v_add_co_ci_u32_e64 v1, null, 0, 0, s4
+; GFX1030-NEXT:    v_mad_u64_u32 v[0:1], null, 0xa7c5ac4, v5, v[0:1]
+; GFX1030-NEXT:    v_alignbit_b32 v0, v1, v0, 7
+; GFX1030-NEXT:    v_lshrrev_b32_e32 v1, 7, v1
 ; GFX1030-NEXT:    s_setpc_b64 s[30:31]
 ;
 ; EG-LABEL: v_test_udiv64_mulhi_fold:
diff --git a/llvm/test/CodeGen/AMDGPU/udiv64.ll b/llvm/test/CodeGen/AMDGPU/udiv64.ll
index 78f85569f849d..a90454f50d198 100644
--- a/llvm/test/CodeGen/AMDGPU/udiv64.ll
+++ b/llvm/test/CodeGen/AMDGPU/udiv64.ll
@@ -1364,81 +1364,31 @@ define i64 @v_test_udiv_pow2_k_den_i64(i64 %x) {
 define amdgpu_kernel void @s_test_udiv_k_den_i64(ptr addrspace(1) %out, i64 %x) {
 ; GCN-LABEL: s_test_udiv_k_den_i64:
 ; GCN:       ; %bb.0:
-; GCN-NEXT:    s_load_dwordx4 s[4:7], s[2:3], 0x9
-; GCN-NEXT:    s_add_u32 s1, 0, 0xaaaa0000
-; GCN-NEXT:    v_not_b32_e32 v0, 23
-; GCN-NEXT:    v_mul_hi_u32 v0, s1, v0
-; GCN-NEXT:    s_addc_u32 s8, 0, 42
-; GCN-NEXT:    s_add_i32 s8, s8, 0xaaaaa80
+; GCN-NEXT:    s_load_dwordx4 s[0:3], s[2:3], 0x9
+; GCN-NEXT:    v_mov_b32_e32 v2, 0xaaaaaaab
+; GCN-NEXT:    v_mov_b32_e32 v0, 0xaaaaaaaa
+; GCN-NEXT:    s_mov_b32 s7, 0xf000
+; GCN-NEXT:    s_mov_b32 s6, -1
 ; GCN-NEXT:    s_waitcnt lgkmcnt(0)
-; GCN-NEXT:    s_mov_b32 s0, s4
-; GCN-NEXT:    s_mul_i32 s4, s1, 0xffffffe8
-; GCN-NEXT:    v_subrev_i32_e32 v0, vcc, s1, v0
-; GCN-NEXT:    s_mul_i32 s9, s8, 0xffffffe8
-; GCN-NEXT:    v_mov_b32_e32 v1, s4
-; GCN-NEXT:    v_add_i32_e32 v0, vcc, s9, v0
-; GCN-NEXT:    v_mul_hi_u32 v2, s8, v1
-; GCN-NEXT:    v_mul_lo_u32 v3, s1, v0
-; GCN-NEXT:    v_mul_hi_u32 v1, s1, v1
-; GCN-NEXT:    v_mul_hi_u32 v4, s1, v0
-; GCN-NEXT:    s_mul_i32 s4, s8, s4
-; GCN-NEXT:    s_mov_b32 s3, 0xf000
-; GCN-NEXT:    v_add_i32_e32 v1, vcc, v1, v3
-; GCN-NEXT:    v_addc_u32_e32 v3, vcc, 0, v4, vcc
-; GCN-NEXT:    v_mul_hi_u32 v4, s8, v0
-; GCN-NEXT:    v_mul_lo_u32 v0, s8, v0
-; GCN-NEXT:    v_add_i32_e32 v1, vcc, s4, v1
+; GCN-NEXT:    v_mul_hi_u32 v3, s2, v2
+; GCN-NEXT:    v_mul_hi_u32 v2, s3, v2
+; GCN-NEXT:    s_mov_b32 s4, s0
+; GCN-NEXT:    v_mul_hi_u32 v1, s2, v0
+; GCN-NEXT:    s_mul_i32 s0, s2, 0xaaaaaaaa
+; GCN-NEXT:    s_mul_i32 s2, s3, 0xaaaaaaab
+; GCN-NEXT:    v_add_i32_e32 v3, vcc, s2, v3
+; GCN-NEXT:    v_addc_u32_e32 v2, vcc, 0, v2, vcc
+; GCN-NEXT:    v_add_i32_e32 v3, vcc, s0, v3
+; GCN-NEXT:    v_mul_hi_u32 v3, s3, v0
+; GCN-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
+; GCN-NEXT:    v_add_i32_e32 v1, vcc, v2, v1
+; GCN-NEXT:    s_mul_i32 s0, s3, 0xaaaaaaaa
+; GCN-NEXT:    v_addc_u32_e64 v2, s[8:9], 0, 0, vcc
+; GCN-NEXT:    v_add_i32_e32 v0, vcc, s0, v1
 ; GCN-NEXT:    v_addc_u32_e32 v1, vcc, v3, v2, vcc
-; GCN-NEXT:    v_addc_u32_e32 v2, vcc, 0, v4, vcc
-; GCN-NEXT:    v_add_i32_e32 v0, vcc, v1, v0
-; GCN-NEXT:    v_addc_u32_e32 v1, vcc, 0, v2, vcc
-; GCN-NEXT:    v_mov_b32_e32 v2, s8
-; GCN-NEXT:    v_add_i32_e32 v0, vcc, s1, v0
-; GCN-NEXT:    v_addc_u32_e32 v1, vcc, v2, v1, vcc
-; GCN-NEXT:    v_mul_lo_u32 v2, s6, v1
-; GCN-NEXT:    v_mul_hi_u32 v3, s6, v0
-; GCN-NEXT:    v_mul_hi_u32 v4, s6, v1
-; GCN-NEXT:    v_mul_hi_u32 v5, s7, v1
-; GCN-NEXT:    v_mul_lo_u32 v1, s7, v1
-; GCN-NEXT:    v_add_i32_e32 v2, vcc, v3, v2
-; GCN-NEXT:    v_addc_u32_e32 v3, vcc, 0, v4, vcc
-; GCN-NEXT:    v_mul_lo_u32 v4, s7, v0
-; GCN-NEXT:    v_mul_hi_u32 v0, s7, v0
-; GCN-NEXT:    s_mov_b32 s2, -1
-; GCN-NEXT:    s_mov_b32 s1, s5
-; GCN-NEXT:    v_add_i32_e32 v2, vcc, v2, v4
-; GCN-NEXT:    v_addc_u32_e32 v0, vcc, v3, v0, vcc
-; GCN-NEXT:    v_addc_u32_e32 v2, vcc, 0, v5, vcc
-; GCN-NEXT:    v_add_i32_e32 v0, vcc, v0, v1
-; GCN-NEXT:    v_addc_u32_e32 v1, vcc, 0, v2, vcc
-; GCN-NEXT:    v_mul_lo_u32 v4, v1, 24
-; GCN-NEXT:    v_mul_hi_u32 v5, v0, 24
-; GCN-NEXT:    v_add_i32_e32 v2, vcc, 1, v0
-; GCN-NEXT:    v_mul_lo_u32 v8, v0, 24
-; GCN-NEXT:    v_addc_u32_e32 v3, vcc, 0, v1, vcc
-; GCN-NEXT:    v_add_i32_e32 v6, vcc, 2, v0
-; GCN-NEXT:    v_addc_u32_e32 v7, vcc, 0, v1, vcc
-; GCN-NEXT:    v_add_i32_e32 v4, vcc, v4, v5
-; GCN-NEXT:    v_mov_b32_e32 v5, s7
-; GCN-NEXT:    v_sub_i32_e32 v8, vcc, s6, v8
-; GCN-NEXT:    v_subb_u32_e32 v4, vcc, v5, v4, vcc
-; GCN-NEXT:    v_subrev_i32_e32 v5, vcc, 24, v8
-; GCN-NEXT:    v_subbrev_u32_e32 v9, vcc, 0, v4, vcc
-; GCN-NEXT:    v_cmp_lt_u32_e32 vcc, 23, v5
-; GCN-NEXT:    v_cndmask_b32_e64 v5, 0, -1, vcc
-; GCN-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v9
-; GCN-NEXT:    v_cndmask_b32_e32 v5, -1, v5, vcc
-; GCN-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v5
-; GCN-NEXT:    v_cndmask_b32_e32 v2, v2, v6, vcc
-; GCN-NEXT:    v_cndmask_b32_e32 v3, v3, v7, vcc
-; GCN-NEXT:    v_cmp_lt_u32_e32 vcc, 23, v8
-; GCN-NEXT:    v_cndmask_b32_e64 v5, 0, -1, vcc
-; GCN-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v4
-; GCN-NEXT:    v_cndmask_b32_e32 v4, -1, v5, vcc
-; GCN-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v4
-; GCN-NEXT:    v_cndmask_b32_e32 v1, v1, v3, vcc
-; GCN-NEXT:    v_cndmask_b32_e32 v0, v0, v2, vcc
-; GCN-NEXT:    buffer_store_dwordx2 v[0:1], off, s[0:3], 0
+; GCN-NEXT:    v_lshr_b64 v[0:1], v[0:1], 4
+; GCN-NEXT:    s_mov_b32 s5, s1
+; GCN-NEXT:    buffer_store_dwordx2 v[0:1], off, s[4:7], 0
 ; GCN-NEXT:    s_endpgm
 ;
 ; GCN-IR-LABEL: s_test_udiv_k_den_i64:
@@ -1512,73 +1462,25 @@ define i64 @v_test_udiv_k_den_i64(i64 %x) {
 ; GCN-LABEL: v_test_udiv_k_den_i64:
 ; GCN:       ; %bb.0:
 ; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
-; GCN-NEXT:    s_add_u32 s4, 0, 0xaaaa0000
-; GCN-NEXT:    v_not_b32_e32 v2, 23
-; GCN-NEXT:    v_mul_hi_u32 v2, s4, v2
-; GCN-NEXT:    s_addc_u32 s5, 0, 42
-; GCN-NEXT:    s_add_i32 s5, s5, 0xaaaaa80
-; GCN-NEXT:    s_mul_i32 s6, s4, 0xffffffe8
-; GCN-NEXT:    v_subrev_i32_e32 v2, vcc, s4, v2
-; GCN-NEXT:    s_mul_i32 s7, s5, 0xffffffe8
-; GCN-NEXT:    v_mov_b32_e32 v3, s6
-; GCN-NEXT:    v_add_i32_e32 v2, vcc, s7, v2
-; GCN-NEXT:    v_mul_hi_u32 v4, s5, v3
-; GCN-NEXT:    v_mul_lo_u32 v5, s4, v2
-; GCN-NEXT:    v_mul_hi_u32 v3, s4, v3
-; GCN-NEXT:    v_mul_hi_u32 v6, s4, v2
-; GCN-NEXT:    s_mul_i32 s6, s5, s6
-; GCN-NEXT:    v_add_i32_e32 v3, vcc, v3, v5
-; GCN-NEXT:    v_addc_u32_e32 v5, vcc, 0, v6, vcc
-; GCN-NEXT:    v_mul_hi_u32 v6, s5, v2
-; GCN-NEXT:    v_mul_lo_u32 v2, s5, v2
-; GCN-NEXT:    v_add_i32_e32 v3, vcc, s6, v3
-; GCN-NEXT:    v_addc_u32_e32 v3, vcc, v5, v4, vcc
-; GCN-NEXT:    v_addc_u32_e32 v4, vcc, 0, v6, vcc
-; GCN-NEXT:    v_add_i32_e32 v2, vcc, v3, v2
-; GCN-NEXT:    v_addc_u32_e32 v3, vcc, 0, v4, vcc
-; GCN-NEXT:    v_mov_b32_e32 v4, s5
-; GCN-NEXT:    v_add_i32_e32 v2, vcc, s4, v2
-; GCN-NEXT:    v_addc_u32_e32 v3, vcc, v4, v3, vcc
-; GCN-NEXT:    v_mul_lo_u32 v4, v0, v3
-; GCN-NEXT:    v_mul_hi_u32 v5, v0, v2
-; GCN-NEXT:    v_mul_hi_u32 v6, v0, v3
-; GCN-NEXT:    v_mul_hi_u32 v7, v1, v3
-; GCN-NEXT:    v_mul_lo_u32 v3, v1, v3
-; GCN-NEXT:    v_add_i32_e32 v4, vcc, v5, v4
-; GCN-NEXT:    v_addc_u32_e32 v5, vcc, 0, v6, vcc
-; GCN-NEXT:    v_mul_lo_u32 v6, v1, v2
-; GCN-NEXT:    v_mul_hi_u32 v2, v1, v2
-; GCN-NEXT:    v_add_i32_e32 v4, vcc, v4, v6
-; GCN-NEXT:    v_addc_u32_e32 v2, vcc, v5, v2, vcc
-; GCN-NEXT:    v_addc_u32_e32 v4, vcc, 0, v7, vcc
-; GCN-NEXT:    v_add_i32_e32 v2, vcc, v2, v3
-; GCN-NEXT:    v_addc_u32_e32 v3, vcc, 0, v4, vcc
-; GCN-NEXT:    v_mul_lo_u32 v4, v3, 24
-; GCN-NEXT:    v_mul_hi_u32 v5, v2, 24
-; GCN-NEXT:    v_mul_lo_u32 v6, v2, 24
-; GCN-NEXT:    v_add_i32_e32 v4, vcc, v5, v4
-; GCN-NEXT:    v_sub_i32_e32 v0, vcc, v0, v6
-; GCN-NEXT:    v_subb_u32_e32 v1, vcc, v1, v4, vcc
-; GCN-NEXT:    v_subrev_i32_e32 v4, vcc, 24, v0
-; GCN-NEXT:    v_subbrev_u32_e32 v5, vcc, 0, v1, vcc
-; GCN-NEXT:    v_cmp_lt_u32_e32 vcc, 23, v4
-; GCN-NEXT:    v_cndmask_b32_e64 v4, 0, -1, vcc
-; GCN-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v5
-; GCN-NEXT:    v_cndmask_b32_e32 v4, -1, v4, vcc
-; GCN-NEXT:    v_add_i32_e32 v5, vcc, 2, v2
-; GCN-NEXT:    v_addc_u32_e32 v6, vcc, 0, v3, vcc
-; GCN-NEXT:    v_add_i32_e32 v7, vcc, 1, v2
-; GCN-NEXT:    v_cmp_lt_u32_e64 s[4:5], 23, v0
-; GCN-NEXT:    v_addc_u32_e32 v8, vcc, 0, v3, vcc
-; GCN-NEXT:    v_cndmask_b32_e64 v0, 0, -1, s[4:5]
-; GCN-NEXT:    v_cmp_eq_u32_e64 s[4:5], 0, v1
-; GCN-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v4
-; GCN-NEXT:    v_cndmask_b32_e64 v0, -1, v0, s[4:5]
-; GCN-NEXT:    v_cndmask_b32_e32 v4, v7, v5, vcc
-; GCN-NEXT:    v_cmp_ne_u32_e64 s[4:5], 0, v0
-; GCN-NEXT:    v_cndmask_b32_e32 v1, v8, v6, vcc
-; GCN-NEXT:    v_cndmask_b32_e64 v0, v2, v4, s[4:5]
-; GCN-NEXT:    v_cndmask_b32_e64 v1, v3, v1, s[4:5]
+; GCN-NEXT:    s_mov_b32 s4, 0xaaaaaaab
+; GCN-NEXT:    v_mul_lo_u32 v3, v1, s4
+; GCN-NEXT:    v_mul_hi_u32 v4, v0, s4
+; GCN-NEXT:    s_mov_b32 s6, 0xaaaaaaaa
+; GCN-NEXT:    v_mul_hi_u32 v5, v1, s4
+; GCN-NEXT:    v_mul_hi_u32 v2, v0, s6
+; GCN-NEXT:    v_mul_lo_u32 v0, v0, s6
+; GCN-NEXT:    v_add_i32_e32 v3, vcc, v3, v4
+; GCN-NEXT:    v_addc_u32_e32 v4, vcc, 0, v5, vcc
+; GCN-NEXT:    v_add_i32_e32 v0, vcc, v0, v3
+; GCN-NEXT:    v_addc_u32_e32 v0, vcc, 0, v2, vcc
+; GCN-NEXT:    v_mul_lo_u32 v2, v1, s6
+; GCN-NEXT:    v_mul_hi_u32 v1, v1, s6
+; GCN-NEXT:    v_add_i32_e32 v0, vcc, v4, v0
+; GCN-NEXT:    v_addc_u32_e64 v3, s[4:5], 0, 0, vcc
+; GCN-NEXT:    v_add_i32_e32 v0, vcc, v2, v0
+; GCN-NEXT:    v_addc_u32_e32 v1, vcc, v1, v3, vcc
+; GCN-NEXT:    v_alignbit_b32 v0, v1, v0, 4
+; GCN-NEXT:    v_lshrrev_b32_e32 v1, 4, v1
 ; GCN-NEXT:    s_setpc_b64 s[30:31]
 ;
 ; GCN-IR-LABEL: v_test_udiv_k_den_i64:
diff --git a/llvm/test/CodeGen/AMDGPU/urem64.ll b/llvm/test/CodeGen/AMDGPU/urem64.ll
index 63105453174eb..3f346db3f3e66 100644
--- a/llvm/test/CodeGen/AMDGPU/urem64.ll
+++ b/llvm/test/CodeGen/AMDGPU/urem64.ll
@@ -965,79 +965,39 @@ define amdgpu_kernel void @s_test_urem_k_num_i64(ptr addrspace(1) %out, i64 %x)
 define amdgpu_kernel void @s_test_urem_k_den_i64(ptr addrspace(1) %out, i64 %x) {
 ; GCN-LABEL: s_test_urem_k_den_i64:
 ; GCN:       ; %bb.0:
-; GCN-NEXT:    s_add_u32 s0, 0, 0xaaaa0000
-; GCN-NEXT:    v_not_b32_e32 v0, 23
-; GCN-NEXT:    v_mul_hi_u32 v0, s0, v0
-; GCN-NEXT:    s_addc_u32 s1, 0, 42
-; GCN-NEXT:    s_add_i32 s1, s1, 0xaaaaa80
-; GCN-NEXT:    s_mul_i32 s8, s0, 0xffffffe8
-; GCN-NEXT:    v_subrev_i32_e32 v0, vcc, s0, v0
-; GCN-NEXT:    s_mul_i32 s9, s1, 0xffffffe8
-; GCN-NEXT:    v_mov_b32_e32 v1, s8
-; GCN-NEXT:    v_add_i32_e32 v0, vcc, s9, v0
-; GCN-NEXT:    v_mul_hi_u32 v2, s1, v1
-; GCN-NEXT:    v_mul_lo_u32 v3, s0, v0
-; GCN-NEXT:    v_mul_hi_u32 v1, s0, v1
-; GCN-NEXT:    v_mul_hi_u32 v4, s0, v0
-; GCN-NEXT:    s_mul_i32 s8, s1, s8
-; GCN-NEXT:    s_load_dwordx4 s[4:7], s[2:3], 0x9
-; GCN-NEXT:    v_add_i32_e32 v1, vcc, v1, v3
-; GCN-NEXT:    v_addc_u32_e32 v3, vcc, 0, v4, vcc
-; GCN-NEXT:    v_mul_hi_u32 v4, s1, v0
-; GCN-NEXT:    v_mul_lo_u32 v0, s1, v0
-; GCN-NEXT:    v_add_i32_e32 v1, vcc, s8, v1
-; GCN-NEXT:    v_addc_u32_e32 v1, vcc, v3, v2, vcc
-; GCN-NEXT:    v_addc_u32_e32 v2, vcc, 0, v4, vcc
-; GCN-NEXT:    v_add_i32_e32 v0, vcc, v1, v0
-; GCN-NEXT:    v_addc_u32_e32 v1, vcc, 0, v2, vcc
-; GCN-NEXT:    v_mov_b32_e32 v2, s1
-; GCN-NEXT:    v_add_i32_e32 v0, vcc, s0, v0
-; GCN-NEXT:    v_addc_u32_e32 v1, vcc, v2, v1, vcc
+; GCN-NEXT:    s_load_dwordx4 s[0:3], s[2:3], 0x9
+; GCN-NEXT:    v_mov_b32_e32 v2, 0xaaaaaaab
+; GCN-NEXT:    v_mov_b32_e32 v0, 0xaaaaaaaa
+; GCN-NEXT:    s_mov_b32 s7, 0xf000
+; GCN-NEXT:    s_mov_b32 s6, -1
 ; GCN-NEXT:    s_waitcnt lgkmcnt(0)
-; GCN-NEXT:    v_mul_lo_u32 v2, s6, v1
-; GCN-NEXT:    v_mul_hi_u32 v3, s6, v0
-; GCN-NEXT:    v_mul_hi_u32 v4, s6, v1
-; GCN-NEXT:    v_mul_hi_u32 v5, s7, v1
-; GCN-NEXT:    v_mul_lo_u32 v1, s7, v1
-; GCN-NEXT:    v_add_i32_e32 v2, vcc, v3, v2
-; GCN-NEXT:    v_addc_u32_e32 v3, vcc, 0, v4, vcc
-; GCN-NEXT:    v_mul_lo_u32 v4, s7, v0
-; GCN-NEXT:    v_mul_hi_u32 v0, s7, v0
-; GCN-NEXT:    s_mov_b32 s3, 0xf000
-; GCN-NEXT:    s_mov_b32 s2, -1
-; GCN-NEXT:    v_add_i32_e32 v2, vcc, v2, v4
-; GCN-NEXT:    v_addc_u32_e32 v0, vcc, v3, v0, vcc
-; GCN-NEXT:    v_addc_u32_e32 v2, vcc, 0, v5, vcc
-; GCN-NEXT:    v_add_i32_e32 v0, vcc, v0, v1
-; GCN-NEXT:    v_addc_u32_e32 v1, vcc, 0, v2, vcc
-; GCN-NEXT:    v_mul_lo_u32 v1, v1, 24
-; GCN-NEXT:    v_mul_hi_u32 v2, v0, 24
+; GCN-NEXT:    v_mul_hi_u32 v3, s2, v2
+; GCN-NEXT:    v_mul_hi_u32 v2, s3, v2
+; GCN-NEXT:    v_mul_hi_u32 v1, s2, v0
+; GCN-NEXT:    s_mul_i32 s5, s3, 0xaaaaaaab
+; GCN-NEXT:    v_add_i32_e32 v3, vcc, s5, v3
+; GCN-NEXT:    s_mov_b32 s4, s0
+; GCN-NEXT:    s_mul_i32 s0, s2, 0xaaaaaaaa
+; GCN-NEXT:    v_addc_u32_e32 v2, vcc, 0, v2, vcc
+; GCN-NEXT:    v_add_i32_e32 v3, vcc, s0, v3
+; GCN-NEXT:    v_mul_hi_u32 v0, s3, v0
+; GCN-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
+; GCN-NEXT:    v_add_i32_e32 v1, vcc, v2, v1
+; GCN-NEXT:    s_mul_i32 s0, s3, 0xaaaaaaaa
+; GCN-NEXT:    v_addc_u32_e64 v2, s[8:9], 0, 0, vcc
+; GCN-NEXT:    v_add_i32_e32 v1, vcc, s0, v1
+; GCN-NEXT:    v_addc_u32_e32 v0, vcc, v0, v2, vcc
+; GCN-NEXT:    v_alignbit_b32 v1, v0, v1, 4
+; GCN-NEXT:    v_lshrrev_b32_e32 v0, 4, v0
+; GCN-NEXT:    v_mul_hi_u32 v2, v1, 24
 ; GCN-NEXT:    v_mul_lo_u32 v0, v0, 24
-; GCN-NEXT:    s_mov_b32 s0, s4
-; GCN-NEXT:    s_mov_b32 s1, s5
-; GCN-NEXT:    v_add_i32_e32 v1, vcc, v1, v2
-; GCN-NEXT:    v_mov_b32_e32 v2, s7
-; GCN-NEXT:    v_sub_i32_e32 v0, vcc, s6, v0
-; GCN-NEXT:    v_subb_u32_e32 v1, vcc, v2, v1, vcc
-; GCN-NEXT:    v_subrev_i32_e32 v2, vcc, 24, v0
-; GCN-NEXT:    v_subbrev_u32_e32 v3, vcc, 0, v1, vcc
-; GCN-NEXT:    v_subrev_i32_e32 v4, vcc, 24, v2
-; GCN-NEXT:    v_subbrev_u32_e32 v5, vcc, 0, v3, vcc
-; GCN-NEXT:    v_cmp_lt_u32_e32 vcc, 23, v2
-; GCN-NEXT:    v_cndmask_b32_e64 v6, 0, -1, vcc
-; GCN-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v3
-; GCN-NEXT:    v_cndmask_b32_e32 v6, -1, v6, vcc
-; GCN-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v6
-; GCN-NEXT:    v_cndmask_b32_e32 v3, v3, v5, vcc
-; GCN-NEXT:    v_cndmask_b32_e32 v2, v2, v4, vcc
-; GCN-NEXT:    v_cmp_lt_u32_e32 vcc, 23, v0
-; GCN-NEXT:    v_cndmask_b32_e64 v4, 0, -1, vcc
-; GCN-NEXT:    v_cmp_eq_u32_e32 vcc, 0, v1
-; GCN-NEXT:    v_cndmask_b32_e32 v4, -1, v4, vcc
-; GCN-NEXT:    v_cmp_ne_u32_e32 vcc, 0, v4
-; GCN-NEXT:    v_cndmask_b32_e32 v1, v1, v3, vcc
-; GCN-NEXT:    v_cndmask_b32_e32 v0, v0, v2, vcc
-; GCN-NEXT:    buffer_store_dwordx2 v[0:1], off, s[0:3], 0
+; GCN-NEXT:    v_mul_lo_u32 v1, v1, 24
+; GCN-NEXT:    v_mov_b32_e32 v3, s3
+; GCN-NEXT:    s_mov_b32 s5, s1
+; GCN-NEXT:    v_add_i32_e32 v2, vcc, v0, v2
+; GCN-NEXT:    v_sub_i32_e32 v0, vcc, s2, v1
+; GCN-NEXT:    v_subb_u32_e32 v1, vcc, v3, v2, vcc
+; GCN-NEXT:    buffer_store_dwordx2 v[0:1], off, s[4:7], 0
 ; GCN-NEXT:    s_endpgm
 ;
 ; GCN-IR-LABEL: s_test_urem_k_den_i64:

>From c7618aeb427f61dce725f00ef24aee074ffa575b Mon Sep 17 00:00:00 2001
From: pvanhout <pierre.vanhoutryve at amd.com>
Date: Mon, 29 Jul 2024 12:16:53 +0200
Subject: [PATCH 3/4] change heuristics

---
 llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp | 16 ++++++++++++----
 llvm/lib/Target/AMDGPU/SIISelLowering.h          |  5 -----
 2 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 315cf2156bd8c..2b16c7d6c9007 100644
--- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -6405,8 +6405,12 @@ SDValue TargetLowering::BuildSDIV(SDNode *N, SelectionDAG &DAG,
     if (VT.isVector())
       WideVT = EVT::getVectorVT(*DAG.getContext(), WideVT,
                                 VT.getVectorElementCount());
-    if (isOperationLegalOrCustom(ISD::MUL, WideVT) ||
-        forceDivByConstantToMul(VT, WideVT, IsAfterLegalization)) {
+    // Some targets like AMDGPU try to go from SDIV to SDIVREM which is then
+    // custom lowered. This is very expensive so avoid it at all costs for
+    // constant divisors.
+    if ((isOperationExpand(ISD::SDIV, VT) &&
+         isOperationCustom(ISD::SDIVREM, VT.getScalarType())) ||
+        isOperationLegalOrCustom(ISD::MUL, WideVT)) {
       X = DAG.getNode(ISD::SIGN_EXTEND, dl, WideVT, X);
       Y = DAG.getNode(ISD::SIGN_EXTEND, dl, WideVT, Y);
       Y = DAG.getNode(ISD::MUL, dl, WideVT, X, Y);
@@ -6589,8 +6593,12 @@ SDValue TargetLowering::BuildUDIV(SDNode *N, SelectionDAG &DAG,
     if (VT.isVector())
       WideVT = EVT::getVectorVT(*DAG.getContext(), WideVT,
                                 VT.getVectorElementCount());
-    if (isOperationLegalOrCustom(ISD::MUL, WideVT) ||
-        forceDivByConstantToMul(VT, WideVT, IsAfterLegalization)) {
+    // Some targets like AMDGPU try to go from UDIV to UDIVREM which is then
+    // custom lowered. This is very expensive so avoid it at all costs for
+    // constant divisors.
+    if ((isOperationExpand(ISD::UDIV, VT) &&
+         isOperationCustom(ISD::UDIVREM, VT.getScalarType())) ||
+        isOperationLegalOrCustom(ISD::MUL, WideVT)) {
       X = DAG.getNode(ISD::ZERO_EXTEND, dl, WideVT, X);
       Y = DAG.getNode(ISD::ZERO_EXTEND, dl, WideVT, Y);
       Y = DAG.getNode(ISD::MUL, dl, WideVT, X, Y);
diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.h b/llvm/lib/Target/AMDGPU/SIISelLowering.h
index e4cdd38c69aa1..1f198a92c0fa6 100644
--- a/llvm/lib/Target/AMDGPU/SIISelLowering.h
+++ b/llvm/lib/Target/AMDGPU/SIISelLowering.h
@@ -372,11 +372,6 @@ class SITargetLowering final : public AMDGPUTargetLowering {
     return 2;
   }
 
-  bool forceDivByConstantToMul(EVT DivVT, EVT MuLVT,
-                               bool IsAfterLegalization) const override {
-    return !IsAfterLegalization;
-  }
-
   bool supportSplitCSR(MachineFunction *MF) const override;
   void initializeSplitCSR(MachineBasicBlock *Entry) const override;
   void insertCopiesSplitCSR(

>From bcd6b9f2545958dd8cf0885490d7d588cd203ab6 Mon Sep 17 00:00:00 2001
From: pvanhout <pierre.vanhoutryve at amd.com>
Date: Mon, 29 Jul 2024 12:17:59 +0200
Subject: [PATCH 4/4] remove hook

---
 llvm/include/llvm/CodeGen/TargetLowering.h | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/llvm/include/llvm/CodeGen/TargetLowering.h b/llvm/include/llvm/CodeGen/TargetLowering.h
index fd45fd9566c95..9d9886f4920a2 100644
--- a/llvm/include/llvm/CodeGen/TargetLowering.h
+++ b/llvm/include/llvm/CodeGen/TargetLowering.h
@@ -5109,14 +5109,6 @@ class TargetLowering : public TargetLoweringBase {
     return 0;
   }
 
-  /// Indicate whether this target prefers to force the lowering of a div by
-  /// constant to a MUL of a magic value, even if the MUL operation is not legal
-  /// or custom.
-  virtual bool forceDivByConstantToMul(EVT DivVT, EVT MuLVT,
-                                       bool IsAfterLegalization) const {
-    return false;
-  }
-
   /// Hooks for building estimates in place of slower divisions and square
   /// roots.
 



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