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Imported Upstream version 5.18.0.246

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Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833
This commit is contained in:
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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25
external/llvm/test/Transforms/GVN/rle-nonlocal.ll vendored Normal file
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@ -0,0 +1,25 @@
; RUN: opt < %s -basicaa -gvn -S | FileCheck %s
define i32 @main(i32** %p, i32 %x, i32 %y) {
block1:
%cmp = icmp eq i32 %x, %y
br i1 %cmp , label %block2, label %block3
block2:
%a = load i32*, i32** %p
br label %block4
block3:
%b = load i32*, i32** %p
br label %block4
block4:
; CHECK-NOT: %existingPHI = phi
; CHECK: %DEAD = phi
%existingPHI = phi i32* [ %a, %block2 ], [ %b, %block3 ]
%DEAD = load i32*, i32** %p
%c = load i32, i32* %DEAD
%d = load i32, i32* %existingPHI
%e = add i32 %c, %d
ret i32 %e
}