From 81433e99b9a770ccbd086b80390031a4ea708dbd Mon Sep 17 00:00:00 2001
From: Sanjay Patel <spatel@rotateright.com>
Date: Fri, 15 Apr 2016 14:53:35 +0000
Subject: [PATCH] [SimplifyCFG] add metadata to show failure to propagate
 (PR27344)

llvm-svn: 266435
---
 .../SimplifyCFG/two-entry-phi-return.ll         | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/llvm/test/Transforms/SimplifyCFG/two-entry-phi-return.ll b/llvm/test/Transforms/SimplifyCFG/two-entry-phi-return.ll
index 476d73348586..56474ce71899 100644
--- a/llvm/test/Transforms/SimplifyCFG/two-entry-phi-return.ll
+++ b/llvm/test/Transforms/SimplifyCFG/two-entry-phi-return.ll
@@ -1,9 +1,17 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
 ; RUN: opt < %s -simplifycfg -S | FileCheck %s
 
 define i1 @qux(i8* %m, i8* %n, i8* %o, i8* %p) nounwind  {
+; CHECK-LABEL: @qux(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[TMP7:%.*]] = icmp eq i8* %m, %n
+; CHECK-NEXT:    [[TMP15:%.*]] = icmp eq i8* %o, %p
+; CHECK-NEXT:    [[TMP15_:%.*]] = select i1 [[TMP7]], i1 [[TMP15]], i1 false
+; CHECK-NEXT:    ret i1 [[TMP15_]]
+;
 entry:
   %tmp7 = icmp eq i8* %m, %n
-  br i1 %tmp7, label %bb, label %UnifiedReturnBlock
+  br i1 %tmp7, label %bb, label %UnifiedReturnBlock, !prof !0
 
 bb:
   %tmp15 = icmp eq i8* %o, %p
@@ -13,11 +21,6 @@ UnifiedReturnBlock:
   %result = phi i1 [ 0, %entry ], [ %tmp15, %bb ]
   ret i1 %result
 
-; CHECK-LABEL: @qux(
-; CHECK-NEXT:  entry:
-; CHECK-NEXT:    [[TMP7:%.*]] = icmp eq i8* %m, %n
-; CHECK-NEXT:    [[TMP15:%.*]] = icmp eq i8* %o, %p
-; CHECK-NEXT:    [[TMP15_:%.*]] = select i1 [[TMP7]], i1 [[TMP15]], i1 false
-; CHECK-NEXT:    ret i1 [[TMP15_]]
 }
 
+!0 = !{!"branch_weights", i32 4, i32 64}