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Imported Upstream version 5.18.0.225

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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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21
external/llvm/test/Transforms/SimplifyCFG/duplicate-phis.ll vendored Normal file
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@@ -0,0 +1,21 @@
; RUN: opt < %s -instcombine -simplifycfg -S | grep " = phi " | count 1
; instcombine should sort the PHI operands so that simplifycfg can see the
; duplicate and remove it.
define i32 @foo(i1 %t) {
entry:
call void @bar()
br i1 %t, label %true, label %false
true:
call void @bar()
br label %false
false:
%a = phi i32 [ 2, %true ], [ 5, %entry ]
%b = phi i32 [ 5, %entry ], [ 2, %true ]
call void @bar()
%c = add i32 %a, %b
ret i32 %c
}
declare void @bar()