llvm/test/Transforms/Inline/pr50589.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=inline < %s | FileCheck %s

; Test interaction of simplification during cloning with insertion of scoped
; noalias metadata.

define <2 x i8> @callee1(ptr %ptr1, ptr noalias %ptr2, <2 x i1> %mask, <2 x i8> %passthru) {
; CHECK-LABEL: @callee1(
; CHECK-NEXT:    [[RET:%.*]] = call <2 x i8> @llvm.masked.load.v2i8.p0(ptr [[PTR1:%.*]], i32 1, <2 x i1> [[MASK:%.*]], <2 x i8> [[PASSTHRU:%.*]])
; CHECK-NEXT:    store <2 x i8> zeroinitializer, ptr [[PTR2:%.*]], align 2
; CHECK-NEXT:    ret <2 x i8> [[RET]]
;
  %ret = call <2 x i8> @llvm.masked.load.v2i8(ptr %ptr1, i32 1, <2 x i1> %mask, <2 x i8> %passthru)
  store <2 x i8> zeroinitializer, ptr %ptr2
  ret <2 x i8> %ret
}

; The load should not have !noalias.
define void @caller1(ptr %ptr1, ptr %ptr2) {
; CHECK-LABEL: @caller1(
; CHECK-NEXT:    [[PASSTHRU:%.*]] = load <2 x i8>, ptr [[PTR2:%.*]], align 2{{$}}
; CHECK-NEXT:    call void @llvm.experimental.noalias.scope.decl(metadata [[META0:![0-9]+]])
; CHECK-NEXT:    store <2 x i8> zeroinitializer, ptr [[PTR2]], align 2, !alias.scope !0
; CHECK-NEXT:    ret void
;
  %passthru = load <2 x i8>, ptr %ptr2
  call <2 x i8> @callee1(ptr %ptr1, ptr %ptr2, <2 x i1> zeroinitializer, <2 x i8> %passthru)
  ret void
}

define <2 x i8> @callee2(ptr %ptr1, ptr noalias %ptr2, <2 x i1> %mask) {
; CHECK-LABEL: @callee2(
; CHECK-NEXT:    [[PASSTHRU:%.*]] = load <2 x i8>, ptr [[PTR2:%.*]], align 2
; CHECK-NEXT:    [[RET:%.*]] = call <2 x i8> @llvm.masked.load.v2i8.p0(ptr [[PTR1:%.*]], i32 1, <2 x i1> [[MASK:%.*]], <2 x i8> [[PASSTHRU]])
; CHECK-NEXT:    store <2 x i8> zeroinitializer, ptr [[PTR2]], align 2
; CHECK-NEXT:    ret <2 x i8> [[RET]]
;
  %passthru = load <2 x i8>, ptr %ptr2
  %ret = call <2 x i8> @llvm.masked.load.v2i8(ptr %ptr1, i32 1, <2 x i1> %mask, <2 x i8> %passthru)
  store <2 x i8> zeroinitializer, ptr %ptr2
  ret <2 x i8> %ret
}

; The load should not have !noalias.
define void @caller2(ptr %ptr1, ptr %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>, ptr [[PTR2:%.*]], align 2, !alias.scope !3{{$}}
; CHECK-NEXT:    store <2 x i8> zeroinitializer, ptr [[PTR2]], align 2, !alias.scope !3
; CHECK-NEXT:    ret void
;
  call <2 x i8> @callee2(ptr %ptr1, ptr %ptr2, <2 x i1> zeroinitializer)
  ret void
}

declare <2 x i8> @llvm.masked.load.v2i8(ptr, i32, <2 x i1>, <2 x i8>)