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Imported Upstream version 5.18.0.246

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Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833
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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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26
external/llvm/test/Transforms/Mem2Reg/ignore-lifetime.ll vendored Normal file
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@@ -0,0 +1,26 @@
; RUN: opt -mem2reg -S -o - < %s | FileCheck %s
declare void @llvm.lifetime.start.p0i8(i64 %size, i8* nocapture %ptr)
declare void @llvm.lifetime.end.p0i8(i64 %size, i8* nocapture %ptr)
define void @test1() {
; CHECK: test1
; CHECK-NOT: alloca
%A = alloca i32
%B = bitcast i32* %A to i8*
call void @llvm.lifetime.start.p0i8(i64 2, i8* %B)
store i32 1, i32* %A
call void @llvm.lifetime.end.p0i8(i64 2, i8* %B)
ret void
}
define void @test2() {
; CHECK: test2
; CHECK-NOT: alloca
%A = alloca {i8, i16}
%B = getelementptr {i8, i16}, {i8, i16}* %A, i32 0, i32 0
call void @llvm.lifetime.start.p0i8(i64 2, i8* %B)
store {i8, i16} zeroinitializer, {i8, i16}* %A
call void @llvm.lifetime.end.p0i8(i64 2, i8* %B)
ret void
}