Imported Upstream version 5.18.0.225

Former-commit-id: 10196d987d5fc5564b9d3b33b1fdf13190f4d0b5
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Xamarin Public Jenkins (auto-signing)
2018-12-21 19:01:49 +00:00
parent 32d52ae4ca
commit f32dbaf0b2
28477 changed files with 3866961 additions and 38 deletions

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; RUN: opt < %s -adce -simplifycfg | llvm-dis
; RUN: opt < %s -passes=adce | llvm-dis
define i32 @Test(i32 %A, i32 %B) {
BB1:
br label %BB4
BB2: ; No predecessors!
br label %BB3
BB3: ; preds = %BB4, %BB2
%ret = phi i32 [ %X, %BB4 ], [ %B, %BB2 ] ; <i32> [#uses=1]
ret i32 %ret
BB4: ; preds = %BB1
%X = phi i32 [ %A, %BB1 ] ; <i32> [#uses=1]
br label %BB3
}