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Imported Upstream version 5.18.0.247

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Former-commit-id: 2d6af2e4ed0eda5cbdc2946446ef7718456ad190
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Xamarin Public Jenkins (auto-signing)
2019-01-25 08:19:26 +00:00
parent 279aa8f685
commit ce8e504569
28478 changed files with 39 additions and 3866962 deletions
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20
external/llvm/test/Analysis/BasicAA/2003-02-26-AccessSizeTest.ll vendored
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@ -1,20 +0,0 @@
; This testcase makes sure that size is taken to account when alias analysis
; is performed. It is not legal to delete the second load instruction because
; the value computed by the first load instruction is changed by the store.
; RUN: opt < %s -basicaa -gvn -instcombine -S | FileCheck %s
define i32 @test() {
; CHECK: %Y.DONOTREMOVE = load i32, i32* %A
; CHECK: %Z = sub i32 0, %Y.DONOTREMOVE
%A = alloca i32
store i32 0, i32* %A
%X = load i32, i32* %A
%B = bitcast i32* %A to i8*
%C = getelementptr i8, i8* %B, i64 1
store i8 1, i8* %C ; Aliases %A
%Y.DONOTREMOVE = load i32, i32* %A
%Z = sub i32 %X, %Y.DONOTREMOVE
ret i32 %Z
}