Imported Upstream version 5.18.0.234

Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f
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Xamarin Public Jenkins (auto-signing)
2019-01-08 08:22:36 +00:00
parent f32dbaf0b2
commit 212f6bafcb
28494 changed files with 359 additions and 3867025 deletions

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@ -1,19 +0,0 @@
; This test shows a case where SCCP is incorrectly eliminating the PHI node
; because it thinks it has a constant 0 value, when it really doesn't.
; RUN: opt < %s -sccp -S | grep phi
define i32 @test(i32 %A, i1 %c) {
bb1:
br label %BB2
BB2: ; preds = %BB4, %bb1
%V = phi i32 [ 0, %bb1 ], [ %A, %BB4 ] ; <i32> [#uses=1]
br label %BB3
BB3: ; preds = %BB2
br i1 %c, label %BB4, label %BB5
BB4: ; preds = %BB3
br label %BB2
BB5: ; preds = %BB3
ret i32 %V
}