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[Inline] Add test for PR50589 (NFC)

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Nikita Popov 2021-07-18 18:37:40 +02:00
parent 59c33a0bc8
commit 1b61d837b9
1 changed files with 56 additions and 0 deletions
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llvm/test/Transforms/Inline/pr50589.ll Normal file
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -inline < %s | FileCheck %s
; Test interaction of simplification during cloning with insertion of scoped
; noalias metadata.
define <2 x i8> @callee1(<2 x i8>* %ptr1, <2 x i8>* noalias %ptr2, <2 x i1> %mask, <2 x i8> %passthru) {
; CHECK-LABEL: @callee1(
; CHECK-NEXT: [[RET:%.*]] = call <2 x i8> @llvm.masked.load.v2i8.p0v2i8(<2 x i8>* [[PTR1:%.*]], i32 1, <2 x i1> [[MASK:%.*]], <2 x i8> [[PASSTHRU:%.*]])
; CHECK-NEXT: store <2 x i8> zeroinitializer, <2 x i8>* [[PTR2:%.*]], align 2
; CHECK-NEXT: ret <2 x i8> [[RET]]
;
%ret = call <2 x i8> @llvm.masked.load.v2i8(<2 x i8>* %ptr1, i32 1, <2 x i1> %mask, <2 x i8> %passthru)
store <2 x i8> zeroinitializer, <2 x i8>* %ptr2
ret <2 x i8> %ret
}
; TODO: The load should not have !noalias.
define void @caller1(<2 x i8>* %ptr1, <2 x i8>* %ptr2) {
; CHECK-LABEL: @caller1(
; CHECK-NEXT: [[PASSTHRU:%.*]] = load <2 x i8>, <2 x i8>* [[PTR2:%.*]], align 2, !noalias !0
; CHECK-NEXT: call void @llvm.experimental.noalias.scope.decl(metadata [[META0:![0-9]+]])
; CHECK-NEXT: store <2 x i8> zeroinitializer, <2 x i8>* [[PTR2]], align 2, !alias.scope !0
; CHECK-NEXT: ret void
;
%passthru = load <2 x i8>, <2 x i8>* %ptr2
call <2 x i8> @callee1(<2 x i8>* %ptr1, <2 x i8>* %ptr2, <2 x i1> zeroinitializer, <2 x i8> %passthru)
ret void
}
define <2 x i8> @callee2(<2 x i8>* %ptr1, <2 x i8>* noalias %ptr2, <2 x i1> %mask) {
; CHECK-LABEL: @callee2(
; CHECK-NEXT: [[PASSTHRU:%.*]] = load <2 x i8>, <2 x i8>* [[PTR2:%.*]], align 2
; CHECK-NEXT: [[RET:%.*]] = call <2 x i8> @llvm.masked.load.v2i8.p0v2i8(<2 x i8>* [[PTR1:%.*]], i32 1, <2 x i1> [[MASK:%.*]], <2 x i8> [[PASSTHRU]])
; CHECK-NEXT: store <2 x i8> zeroinitializer, <2 x i8>* [[PTR2]], align 2
; CHECK-NEXT: ret <2 x i8> [[RET]]
;
%passthru = load <2 x i8>, <2 x i8>* %ptr2
%ret = call <2 x i8> @llvm.masked.load.v2i8(<2 x i8>* %ptr1, i32 1, <2 x i1> %mask, <2 x i8> %passthru)
store <2 x i8> zeroinitializer, <2 x i8>* %ptr2
ret <2 x i8> %ret
}
; TODO: The load should not have !noalias.
define void @caller2(<2 x i8>* %ptr1, <2 x i8>* %ptr2) {
; CHECK-LABEL: @caller2(
; CHECK-NEXT: call void @llvm.experimental.noalias.scope.decl(metadata [[META3:![0-9]+]])
; CHECK-NEXT: [[PASSTHRU_I:%.*]] = load <2 x i8>, <2 x i8>* [[PTR2:%.*]], align 2, !alias.scope !3, !noalias !3
; CHECK-NEXT: store <2 x i8> zeroinitializer, <2 x i8>* [[PTR2]], align 2, !alias.scope !3
; CHECK-NEXT: ret void
;
call <2 x i8> @callee2(<2 x i8>* %ptr1, <2 x i8>* %ptr2, <2 x i1> zeroinitializer)
ret void
}
declare <2 x i8> @llvm.masked.load.v2i8(<2 x i8>*, i32, <2 x i1>, <2 x i8>)