[PATCH] D147682: AMDGPU: Add a test to show bad compilation to set_inactive

[Ruiling, Song via Phabricator via llvm-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGfc06a429aae1: AMDGPU: Add a test to show bad compilation to set_inactive (authored by ruiling).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D147682/new/

https://reviews.llvm.org/D147682

Files:
  llvm/test/CodeGen/AMDGPU/should-not-hoist-set-inactive.ll


Index: llvm/test/CodeGen/AMDGPU/should-not-hoist-set-inactive.ll
===================================================================
--- /dev/null
+++ llvm/test/CodeGen/AMDGPU/should-not-hoist-set-inactive.ll
@@ -0,0 +1,75 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
+; RUN: llc -march=amdgcn -mcpu=gfx1010 -verify-machineinstrs < %s | FileCheck %s -check-prefix=GCN
+
+define amdgpu_cs void @should_not_hoist_set_inactive(<4 x i32> inreg %i14, i32 inreg %v, i32 %lane, i32 %f, i32 %f2) #0 {
+; GCN-LABEL: should_not_hoist_set_inactive:
+; GCN:       ; %bb.0: ; %.entry
+; GCN-NEXT:    v_cmp_gt_i32_e32 vcc_lo, 3, v1
+; GCN-NEXT:    v_cmp_eq_u32_e64 s6, 0, v0
+; GCN-NEXT:    v_cmp_ne_u32_e64 s5, 0, v2
+; GCN-NEXT:    v_mov_b32_e32 v3, s4
+; GCN-NEXT:    s_not_b32 exec_lo, exec_lo
+; GCN-NEXT:    v_mov_b32_e32 v3, 0
+; GCN-NEXT:    s_not_b32 exec_lo, exec_lo
+; GCN-NEXT:    s_mov_b32 s4, 0
+; GCN-NEXT:    s_branch .LBB0_2
+; GCN-NEXT:  .LBB0_1: ; %bb4
+; GCN-NEXT:    ; in Loop: Header=BB0_2 Depth=1
+; GCN-NEXT:    s_waitcnt_depctr 0xffe3
+; GCN-NEXT:    s_or_b32 exec_lo, exec_lo, s7
+; GCN-NEXT:    s_andn2_b32 exec_lo, exec_lo, s4
+; GCN-NEXT:    s_cbranch_execz .LBB0_5
+; GCN-NEXT:  .LBB0_2: ; %bb
+; GCN-NEXT:    ; =>This Inner Loop Header: Depth=1
+; GCN-NEXT:    s_and_b32 s7, exec_lo, s5
+; GCN-NEXT:    s_or_b32 s4, s7, s4
+; GCN-NEXT:    s_and_saveexec_b32 s7, vcc_lo
+; GCN-NEXT:    s_cbranch_execz .LBB0_1
+; GCN-NEXT:  ; %bb.3: ; %bb1
+; GCN-NEXT:    ; in Loop: Header=BB0_2 Depth=1
+; GCN-NEXT:    s_or_saveexec_b32 s8, -1
+; GCN-NEXT:    v_mov_b32_e32 v4, 0
+; GCN-NEXT:    v_mov_b32_dpp v4, v3 row_xmask:1 row_mask:0xf bank_mask:0xf
+; GCN-NEXT:    s_mov_b32 exec_lo, s8
+; GCN-NEXT:    v_mov_b32_e32 v0, v4
+; GCN-NEXT:    s_and_b32 exec_lo, exec_lo, s6
+; GCN-NEXT:    s_cbranch_execz .LBB0_1
+; GCN-NEXT:  ; %bb.4: ; %bb2
+; GCN-NEXT:    ; in Loop: Header=BB0_2 Depth=1
+; GCN-NEXT:    buffer_atomic_add v0, off, s[0:3], 0
+; GCN-NEXT:    s_branch .LBB0_1
+; GCN-NEXT:  .LBB0_5: ; %bb5
+; GCN-NEXT:    s_endpgm
+.entry:
+  br label %bb
+
+bb:
+  %i17 = icmp slt i32 %f, 3
+  br i1 %i17, label %bb1, label %bb4
+
+bb1:
+  %i25 = call i32 @llvm.amdgcn.set.inactive.i32(i32 %v, i32 0)
+  %i26 = call i32 @llvm.amdgcn.update.dpp.i32(i32 0, i32 %i25, i32 353, i32 15, i32 15, i1 false)
+  %i38 = call i32 @llvm.amdgcn.strict.wwm.i32(i32 %i26)
+  %i39 = icmp eq i32 %lane, 0
+  br i1 %i39, label %bb2, label %bb3
+
+bb2:
+  %i41 = call i32 @llvm.amdgcn.raw.buffer.atomic.add.i32(i32 %i38, <4 x i32> %i14, i32 0, i32 0, i32 0)
+  br label %bb3
+
+bb3:
+  br label %bb4
+
+bb4:
+  %exit = icmp eq i32 %f2, 0
+  br i1 %exit, label %bb, label %bb5
+
+bb5:
+  ret void
+}
+
+declare i32 @llvm.amdgcn.set.inactive.i32(i32, i32)
+declare i32 @llvm.amdgcn.update.dpp.i32(i32, i32, i32 immarg, i32 immarg, i32 immarg, i1 immarg)
+declare i32 @llvm.amdgcn.strict.wwm.i32(i32)
+declare i32 @llvm.amdgcn.raw.buffer.atomic.add.i32(i32, <4 x i32>, i32, i32, i32 immarg)


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