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Imported Upstream version 5.18.0.246

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Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2019-01-23 08:21:40 +00:00
parent a7724cd563
commit 279aa8f685
28482 changed files with 3866972 additions and 44 deletions
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45
external/llvm/test/Transforms/ObjCARC/contract-marker.ll vendored Normal file
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@@ -0,0 +1,45 @@
; RUN: opt -S -objc-arc-contract < %s | FileCheck %s
; CHECK-LABEL: define void @foo() {
; CHECK: %call = tail call i32* @qux()
; CHECK-NEXT: %tcall = bitcast i32* %call to i8*
; CHECK-NEXT: call void asm sideeffect "mov\09r7, r7\09\09@ marker for return value optimization", ""()
; CHECK-NEXT: %0 = tail call i8* @objc_retainAutoreleasedReturnValue(i8* %tcall) [[NUW:#[0-9]+]]
; CHECK: }
define void @foo() {
entry:
%call = tail call i32* @qux()
%tcall = bitcast i32* %call to i8*
%0 = tail call i8* @objc_retainAutoreleasedReturnValue(i8* %tcall) nounwind
tail call void @bar(i8* %0)
ret void
}
; CHECK-LABEL: define void @foo2() {
; CHECK: %call = tail call i32* @qux()
; CHECK-NEXT: %tcall = bitcast i32* %call to i8*
; CHECK-NEXT: call void asm sideeffect "mov\09r7, r7\09\09@ marker for return value optimization", ""()
; CHECK-NEXT: %0 = tail call i8* @objc_unsafeClaimAutoreleasedReturnValue(i8* %tcall) [[NUW:#[0-9]+]]
; CHECK: }
define void @foo2() {
entry:
%call = tail call i32* @qux()
%tcall = bitcast i32* %call to i8*
%0 = tail call i8* @objc_unsafeClaimAutoreleasedReturnValue(i8* %tcall) nounwind
tail call void @bar(i8* %0)
ret void
}
declare i32* @qux()
declare i8* @objc_retainAutoreleasedReturnValue(i8*)
declare i8* @objc_unsafeClaimAutoreleasedReturnValue(i8*)
declare void @bar(i8*)
!clang.arc.retainAutoreleasedReturnValueMarker = !{!0}
!0 = !{!"mov\09r7, r7\09\09@ marker for return value optimization"}
; CHECK: attributes [[NUW]] = { nounwind }