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[LoadStoreVectorizer] Add test for inaccessiblememonly call (NFC)

This commit is contained in:
Nikita Popov 2021-08-31 22:12:13 +02:00
parent f9277caffc
commit dc37f5374c
1 changed files with 72 additions and 19 deletions
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91
llvm/test/Transforms/LoadStoreVectorizer/int_sideeffect.ll
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@ -1,3 +1,4 @@
; 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
@ -5,23 +6,75 @@ declare void @llvm.sideeffect()
; load-store vectorization across a @llvm.sideeffect.
; CHECK-LABEL: test
; CHECK: load <4 x float>
; CHECK: store <4 x float>
define void @test(float* %p) {
%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
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> undef, 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: [[P1:%.*]] = getelementptr float, float* [[P]], i64 1
; CHECK-NEXT: [[P2:%.*]] = getelementptr float, float* [[P]], i64 2
; CHECK-NEXT: [[P3:%.*]] = getelementptr float, float* [[P]], i64 3
; CHECK-NEXT: [[L0:%.*]] = load float, float* [[P0]], align 16
; CHECK-NEXT: [[L1:%.*]] = load float, float* [[P1]], align 4
; CHECK-NEXT: [[L2:%.*]] = load float, float* [[P2]], align 4
; CHECK-NEXT: call void @foo() #[[ATTR1:[0-9]+]]
; CHECK-NEXT: [[L3:%.*]] = load float, float* [[P3]], align 4
; CHECK-NEXT: store float [[L0]], float* [[P0]], align 16
; CHECK-NEXT: call void @foo() #[[ATTR1]]
; CHECK-NEXT: store float [[L1]], float* [[P1]], align 4
; CHECK-NEXT: store float [[L2]], float* [[P2]], align 4
; CHECK-NEXT: store float [[L3]], float* [[P3]], align 4
; 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
}