Imported Upstream version 5.18.0.246

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

View File

@ -0,0 +1,35 @@
; RUN: opt < %s -lcssa -disable-output
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
; PR28608
; Check that we don't crash on this test.
define void @foo() {
entry:
br label %bb1
bb1:
br label %bb2
bb2:
%x = phi i32 [ undef, %bb5 ], [ undef, %bb1 ]
br i1 undef, label %bb3, label %bb6
bb3:
br i1 undef, label %bb5, label %bb4
bb4:
br label %bb6
bb5:
br label %bb2
bb6:
br label %bb1
exit:
%y = add i32 0, %x
ret void
}