[llvm] r263648 - add checks for 'unpredictable' metadata preservation

[Sanjay Patel via llvm-commits]

Author: spatel
Date: Wed Mar 16 13:15:34 2016
New Revision: 263648

URL: http://llvm.org/viewvc/llvm-project?rev=263648&view=rev
Log:
add checks for 'unpredictable' metadata preservation

Modified:
    llvm/trunk/test/Transforms/Inline/profile-meta.ll

Modified: llvm/trunk/test/Transforms/Inline/profile-meta.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/Inline/profile-meta.ll?rev=263648&r1=263647&r2=263648&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/Inline/profile-meta.ll (original)
+++ llvm/trunk/test/Transforms/Inline/profile-meta.ll Wed Mar 16 13:15:34 2016
@@ -1,9 +1,9 @@
 ; RUN: opt < %s -S -inline | FileCheck %s
 
-; Make sure that profile metadata is preserved when cloning a select.
+; Make sure that profile and unpredictable  metadata is preserved when cloning a select.
 
 define i32 @callee_with_select(i1 %c, i32 %a, i32 %b) {
-  %sel = select i1 %c, i32 %a, i32 %b, !prof !0
+  %sel = select i1 %c, i32 %a, i32 %b, !prof !0, !unpredictable !1
   ret i32 %sel
 }
 
@@ -12,14 +12,14 @@ define i32 @caller_of_select(i1 %C, i32
   ret i32 %ret
 
 ; CHECK-LABEL: @caller_of_select(
-; CHECK-NEXT:  [[SEL:%.*]] = select i1 %C, i32 %A, i32 %B, !prof !0
+; CHECK-NEXT:  [[SEL:%.*]] = select i1 %C, i32 %A, i32 %B, !prof !0, !unpredictable !1
 ; CHECK-NEXT:  ret i32 [[SEL]]
 }
 
-; Make sure that profile metadata is preserved when cloning a branch.
+; Make sure that profile and unpredictable metadata is preserved when cloning a branch.
 
 define i32 @callee_with_branch(i1 %c) {
-  br i1 %c, label %if, label %else, !prof !1
+  br i1 %c, label %if, label %else, !unpredictable !1, !prof !2
 if:
   ret i32 1
 else:
@@ -31,11 +31,14 @@ define i32 @caller_of_branch(i1 %C) {
   ret i32 %ret
 
 ; CHECK-LABEL: @caller_of_branch(
-; CHECK-NEXT:  br i1 %C, label %{{.*}}, label %{{.*}}, !prof !1
+; CHECK-NEXT:  br i1 %C, label %{{.*}}, label %{{.*}}, !prof !2, !unpredictable !1
 }
 
 !0 = !{!"branch_weights", i32 1, i32 2}
-!1 = !{!"branch_weights", i32 3, i32 4}
+!1 = !{}
+!2 = !{!"branch_weights", i32 3, i32 4}
+
 ; CHECK: !0 = !{!"branch_weights", i32 1, i32 2}
-; CHECK: !1 = !{!"branch_weights", i32 3, i32 4}
+; CHECK: !1 = !{}
+; CHECK: !2 = !{!"branch_weights", i32 3, i32 4}