Imported Upstream version 5.18.0.205

Former-commit-id: 7f59f7e792705db773f1caecdaa823092f4e2927
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2018-11-16 08:20:38 +00:00
parent 5cd5df71cc
commit 8e12397d70
28486 changed files with 3867013 additions and 66 deletions

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@@ -0,0 +1,15 @@
; RUN: opt -instsimplify -S < %s | FileCheck %s
define void @foo() nounwind {
br i1 undef, label %1, label %4
; <label>:1 ; preds = %1, %0
; CHECK-NOT: phi
; CHECK-NOT: sub
%2 = phi i32 [ %3, %1 ], [ undef, %0 ]
%3 = sub i32 0, undef
br label %1
; <label>:4 ; preds = %0
ret void
}