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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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20
external/llvm/test/Transforms/NewGVN/null-aliases-nothing.ll vendored Normal file
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; RUN: opt < %s -basicaa -newgvn -S | FileCheck %s
%t = type { i32 }
declare void @test1f(i8*)
define void @test1(%t* noalias %stuff ) {
%p = getelementptr inbounds %t, %t* %stuff, i32 0, i32 0
%before = load i32, i32* %p
call void @test1f(i8* null)
%after = load i32, i32* %p ; <--- This should be a dead load
%sum = add i32 %before, %after
store i32 %sum, i32* %p
ret void
; CHECK: load
; CHECK-NOT: load
; CHECK: ret void
}