Revert r219175 - [InstCombine] re-commit r218721 icmp-select-icmp optimization

[oota-llvm.git] / test / Transforms / LoopUnswitch / 2011-11-18-TwoSwitches-Threshold.ll

diff --git a/test/Transforms/LoopUnswitch/2011-11-18-TwoSwitches-Threshold.ll b/test/Transforms/LoopUnswitch/2011-11-18-TwoSwitches-Threshold.ll
index 05d98d513e0c2e186d0b2703a04c87dc582bc32f..686cedbbc51af8cb7b2a49628575014375b272d7 100644 (file)
--- a/test/Transforms/LoopUnswitch/2011-11-18-TwoSwitches-Threshold.ll
+++ b/test/Transforms/LoopUnswitch/2011-11-18-TwoSwitches-Threshold.ll
@@ -1,5 +1,6 @@
+; REQUIRES: asserts
 ; RUN: opt -loop-unswitch -loop-unswitch-threshold 13 -disable-output -stats -info-output-file - < %s | FileCheck --check-prefix=STATS %s
-; RUN: opt -S -loop-unswitch -loop-unswitch-threshold 13 -verify-loop-info -verify-dom-info %s | FileCheck %s
+; RUN: opt -S -loop-unswitch -loop-unswitch-threshold 13 -verify-loop-info -verify-dom-info < %s | FileCheck %s
 
 ; STATS: 1 loop-simplify - Number of pre-header or exit blocks inserted
 ; STATS: 1 loop-unswitch - Number of switches unswitched
@@ -19,15 +20,15 @@
 ; CHECK:        switch i32 1, label %second_switch.us [
 ; CHECK-NEXT:     i32 1, label %inc.us
 
-; CHECK:      inc.us:                                           ; preds = %second_switch.us, %loop_begin.us
-; CHECK-NEXT:   call void @incf() noreturn nounwind
-; CHECK-NEXT:   br label %loop_begin.backedge.us
-
 ; CHECK:      second_switch.us:                                 ; preds = %loop_begin.us
 ; CHECK-NEXT:   switch i32 %d, label %default.us [
 ; CHECK-NEXT:     i32 1, label %inc.us
 ; CHECK-NEXT:   ]
 
+; CHECK:      inc.us:                                           ; preds = %second_switch.us, %loop_begin.us
+; CHECK-NEXT:   call void @incf() [[NOR_NUW:#[0-9]+]]
+; CHECK-NEXT:   br label %loop_begin.backedge.us
+
 ; CHECK:      .split:                                           ; preds = %..split_crit_edge
 ; CHECK-NEXT:   br label %loop_begin
 
@@ -45,7 +46,7 @@
 ; CHECK-NEXT:   ]
 
 ; CHECK:      inc:                                              ; preds = %loop_begin.inc_crit_edge, %second_switch
-; CHECK-NEXT:   call void @incf() noreturn nounwind
+; CHECK-NEXT:   call void @incf() [[NOR_NUW]]
 ; CHECK-NEXT:   br label %loop_begin.backedge
 
 define i32 @test(i32* %var) {
@@ -73,7 +74,7 @@ inc:
   call void @incf() noreturn nounwind
   br label %loop_begin
 
-default:  
+default:
   br label %loop_begin
 
 loop_exit:
@@ -82,3 +83,6 @@ loop_exit:
 
 declare void @incf() noreturn
 declare void @decf() noreturn
+
+; CHECK: attributes #0 = { noreturn }
+; CHECK: attributes [[NOR_NUW]] = { noreturn nounwind }