| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -S < %s -load-store-vectorizer | FileCheck %s |
| ; RUN: opt -S < %s -passes='function(load-store-vectorizer)' | FileCheck %s |
| |
| declare void @llvm.sideeffect() |
| |
| ; load-store vectorization across a @llvm.sideeffect. |
| |
| define void @test_sideeffect(float* %p) { |
| ; CHECK-LABEL: @test_sideeffect( |
| ; CHECK-NEXT: [[P0:%.*]] = getelementptr float, float* [[P:%.*]], i64 0 |
| ; CHECK-NEXT: [[TMP1:%.*]] = bitcast float* [[P0]] to <4 x float>* |
| ; CHECK-NEXT: [[TMP2:%.*]] = load <4 x float>, <4 x float>* [[TMP1]], align 16 |
| ; CHECK-NEXT: [[L01:%.*]] = extractelement <4 x float> [[TMP2]], i32 0 |
| ; CHECK-NEXT: [[L12:%.*]] = extractelement <4 x float> [[TMP2]], i32 1 |
| ; CHECK-NEXT: [[L23:%.*]] = extractelement <4 x float> [[TMP2]], i32 2 |
| ; CHECK-NEXT: [[L34:%.*]] = extractelement <4 x float> [[TMP2]], i32 3 |
| ; CHECK-NEXT: call void @llvm.sideeffect() |
| ; CHECK-NEXT: call void @llvm.sideeffect() |
| ; CHECK-NEXT: [[TMP3:%.*]] = insertelement <4 x float> poison, float [[L01]], i32 0 |
| ; CHECK-NEXT: [[TMP4:%.*]] = insertelement <4 x float> [[TMP3]], float [[L12]], i32 1 |
| ; CHECK-NEXT: [[TMP5:%.*]] = insertelement <4 x float> [[TMP4]], float [[L23]], i32 2 |
| ; CHECK-NEXT: [[TMP6:%.*]] = insertelement <4 x float> [[TMP5]], float [[L34]], i32 3 |
| ; CHECK-NEXT: [[TMP7:%.*]] = bitcast float* [[P0]] to <4 x float>* |
| ; CHECK-NEXT: store <4 x float> [[TMP6]], <4 x float>* [[TMP7]], align 16 |
| ; CHECK-NEXT: ret void |
| ; |
| %p0 = getelementptr float, float* %p, i64 0 |
| %p1 = getelementptr float, float* %p, i64 1 |
| %p2 = getelementptr float, float* %p, i64 2 |
| %p3 = getelementptr float, float* %p, i64 3 |
| %l0 = load float, float* %p0, align 16 |
| %l1 = load float, float* %p1 |
| %l2 = load float, float* %p2 |
| call void @llvm.sideeffect() |
| %l3 = load float, float* %p3 |
| store float %l0, float* %p0, align 16 |
| call void @llvm.sideeffect() |
| store float %l1, float* %p1 |
| store float %l2, float* %p2 |
| store float %l3, float* %p3 |
| ret void |
| } |
| |
| declare void @foo() |
| |
| define void @test_inaccessiblememonly(float* %p) { |
| ; CHECK-LABEL: @test_inaccessiblememonly( |
| ; CHECK-NEXT: [[P0:%.*]] = getelementptr float, float* [[P:%.*]], i64 0 |
| ; CHECK-NEXT: [[TMP1:%.*]] = bitcast float* [[P0]] to <4 x float>* |
| ; CHECK-NEXT: [[TMP2:%.*]] = load <4 x float>, <4 x float>* [[TMP1]], align 16 |
| ; CHECK-NEXT: [[L01:%.*]] = extractelement <4 x float> [[TMP2]], i32 0 |
| ; CHECK-NEXT: [[L12:%.*]] = extractelement <4 x float> [[TMP2]], i32 1 |
| ; CHECK-NEXT: [[L23:%.*]] = extractelement <4 x float> [[TMP2]], i32 2 |
| ; CHECK-NEXT: [[L34:%.*]] = extractelement <4 x float> [[TMP2]], i32 3 |
| ; CHECK-NEXT: call void @foo() #[[ATTR1:[0-9]+]] |
| ; CHECK-NEXT: call void @foo() #[[ATTR1]] |
| ; CHECK-NEXT: [[TMP3:%.*]] = insertelement <4 x float> poison, float [[L01]], i32 0 |
| ; CHECK-NEXT: [[TMP4:%.*]] = insertelement <4 x float> [[TMP3]], float [[L12]], i32 1 |
| ; CHECK-NEXT: [[TMP5:%.*]] = insertelement <4 x float> [[TMP4]], float [[L23]], i32 2 |
| ; CHECK-NEXT: [[TMP6:%.*]] = insertelement <4 x float> [[TMP5]], float [[L34]], i32 3 |
| ; CHECK-NEXT: [[TMP7:%.*]] = bitcast float* [[P0]] to <4 x float>* |
| ; CHECK-NEXT: store <4 x float> [[TMP6]], <4 x float>* [[TMP7]], align 16 |
| ; CHECK-NEXT: ret void |
| ; |
| %p0 = getelementptr float, float* %p, i64 0 |
| %p1 = getelementptr float, float* %p, i64 1 |
| %p2 = getelementptr float, float* %p, i64 2 |
| %p3 = getelementptr float, float* %p, i64 3 |
| %l0 = load float, float* %p0, align 16 |
| %l1 = load float, float* %p1 |
| %l2 = load float, float* %p2 |
| call void @foo() inaccessiblememonly nounwind |
| %l3 = load float, float* %p3 |
| store float %l0, float* %p0, align 16 |
| call void @foo() inaccessiblememonly nounwind |
| store float %l1, float* %p1 |
| store float %l2, float* %p2 |
| store float %l3, float* %p3 |
| ret void |
| } |