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Imported Upstream version 5.18.0.205

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Former-commit-id: 7f59f7e792705db773f1caecdaa823092f4e2927
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Xamarin Public Jenkins (auto-signing)
2018-11-16 08:20:38 +00:00
parent 5cd5df71cc
commit 8e12397d70
28486 changed files with 3867013 additions and 66 deletions
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15
external/llvm/test/Other/Inputs/invariant.group.barrier.ll vendored Normal file
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; RUN: opt -S -gvn < %s | FileCheck %s
; RUN: opt -S -newgvn < %s | FileCheck %s
; RUN: opt -S -O3 < %s | FileCheck %s
; This test check if optimizer is not proving equality based on mustalias
; CHECK-LABEL: define void @dontProveEquality(i8* %a)
define void @dontProveEquality(i8* %a) {
%b = call i8* @llvm.invariant.group.barrier(i8* %a)
%r = i1 icmp eq i8* %b, i8* %a
;CHECK: call void @use(%r)
call void @use(%r)
}
declare void @use(i1)
declare i8* @llvm.invariant.group.barrier(i8 *)