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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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15
external/llvm/test/Transforms/GVN/2009-11-12-MemDepMallocBitCast.ll vendored Normal file
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; Test to make sure malloc's bitcast does not block detection of a store
; to aliased memory; GVN should not optimize away the load in this program.
; RUN: opt < %s -gvn -S | FileCheck %s
define i64 @test() {
%1 = tail call i8* @malloc(i64 mul (i64 4, i64 ptrtoint (i64* getelementptr (i64, i64* null, i64 1) to i64))) ; <i8*> [#uses=2]
store i8 42, i8* %1
%X = bitcast i8* %1 to i64* ; <i64*> [#uses=1]
%Y = load i64, i64* %X ; <i64> [#uses=1]
ret i64 %Y
; CHECK: %Y = load i64, i64* %X
; CHECK: ret i64 %Y
}
declare noalias i8* @malloc(i64)