[llvm] AMDGPU: Use generated checks in unchecked test (PR #131275)
Matt Arsenault via llvm-commits
llvm-commits at lists.llvm.org
Fri Mar 14 04:15:57 PDT 2025
https://github.com/arsenm updated https://github.com/llvm/llvm-project/pull/131275
>From cdfaaf9c1b2ad6ced1218b40d2be665f4491938b Mon Sep 17 00:00:00 2001
From: Matt Arsenault <Matthew.Arsenault at amd.com>
Date: Fri, 14 Mar 2025 09:27:07 +0700
Subject: [PATCH] AMDGPU: Use generated checks in unchecked test
Also replace undef uses
---
.../AMDGPU/vector-legalizer-divergence.ll | 25 ++++++++++++++++---
1 file changed, 21 insertions(+), 4 deletions(-)
diff --git a/llvm/test/CodeGen/AMDGPU/vector-legalizer-divergence.ll b/llvm/test/CodeGen/AMDGPU/vector-legalizer-divergence.ll
index 1daba85ae0122..bb0b661e800c3 100644
--- a/llvm/test/CodeGen/AMDGPU/vector-legalizer-divergence.ll
+++ b/llvm/test/CodeGen/AMDGPU/vector-legalizer-divergence.ll
@@ -1,4 +1,5 @@
-; RUN: llc -mtriple=amdgcn < %s
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc -mtriple=amdgcn < %s | FileCheck %s
; Tests for a bug in SelectionDAG::UpdateNodeOperands exposed by VectorLegalizer
; where divergence information is not updated.
@@ -6,21 +7,37 @@
declare i32 @llvm.amdgcn.workitem.id.x()
define amdgpu_kernel void @spam(ptr addrspace(1) noalias %arg) {
+; CHECK-LABEL: spam:
+; CHECK: ; %bb.0:
+; CHECK-NEXT: s_load_dwordx2 s[0:1], s[4:5], 0x9
+; CHECK-NEXT: v_lshlrev_b32_e32 v4, 3, v0
+; CHECK-NEXT: v_mov_b32_e32 v5, 0
+; CHECK-NEXT: s_mov_b32 s3, 0xf000
+; CHECK-NEXT: s_mov_b32 s2, 0
+; CHECK-NEXT: v_mov_b32_e32 v1, 0x7ff80000
+; CHECK-NEXT: v_mov_b32_e32 v0, v5
+; CHECK-NEXT: s_waitcnt lgkmcnt(0)
+; CHECK-NEXT: buffer_store_dwordx4 v[0:3], v[4:5], s[0:3], 0 addr64 offset:16
+; CHECK-NEXT: s_waitcnt expcnt(0)
+; CHECK-NEXT: v_mov_b32_e32 v2, v5
+; CHECK-NEXT: v_mov_b32_e32 v3, v5
+; CHECK-NEXT: buffer_store_dwordx4 v[0:3], v[4:5], s[0:3], 0 addr64 offset:48
+; CHECK-NEXT: s_endpgm
%tmp = tail call i32 @llvm.amdgcn.workitem.id.x()
%tmp1 = zext i32 %tmp to i64
%tmp2 = getelementptr inbounds double, ptr addrspace(1) %arg, i64 %tmp1
%tmp3 = load double, ptr addrspace(1) %tmp2, align 8
- %tmp4 = fadd double undef, 0.000000e+00
+ %tmp4 = fadd double 0x7FF8000000000000, 0.000000e+00
%tmp5 = insertelement <2 x double> poison, double %tmp4, i64 0
%tmp6 = insertelement <2 x double> %tmp5, double %tmp3, i64 1
%tmp7 = insertelement <2 x double> %tmp6, double 0.000000e+00, i64 1
- %tmp8 = fadd <2 x double> zeroinitializer, undef
+ %tmp8 = fadd <2 x double> zeroinitializer, splat (double 0x7FF8000000000000)
%tmp9 = fadd <2 x double> %tmp7, zeroinitializer
%tmp10 = extractelement <2 x double> %tmp8, i64 0
%tmp11 = getelementptr inbounds double, ptr addrspace(1) %tmp2, i64 2
store double %tmp10, ptr addrspace(1) %tmp11, align 8
%tmp12 = getelementptr inbounds double, ptr addrspace(1) %tmp2, i64 3
- store double undef, ptr addrspace(1) %tmp12, align 8
+ store double poison, ptr addrspace(1) %tmp12, align 8
%tmp13 = extractelement <2 x double> %tmp9, i64 0
%tmp14 = getelementptr inbounds double, ptr addrspace(1) %tmp2, i64 6
store double %tmp13, ptr addrspace(1) %tmp14, align 8
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