[llvm-commits] [llvm] r121728 - in /llvm/trunk: lib/Transforms/Utils/SimplifyCFG.cpp test/Transforms/SimplifyCFG/switch_create.ll

[Chris Lattner]

Author: lattner
Date: Mon Dec 13 17:02:19 2010
New Revision: 121728

URL: http://llvm.org/viewvc/llvm-project?rev=121728&view=rev
Log:
temporarily disable part of my previous patch, which causes an iterator invalidation issue, causing a crash on some versions of perlbmk.

Modified:
    llvm/trunk/lib/Transforms/Utils/SimplifyCFG.cpp
    llvm/trunk/test/Transforms/SimplifyCFG/switch_create.ll

Modified: llvm/trunk/lib/Transforms/Utils/SimplifyCFG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Utils/SimplifyCFG.cpp?rev=121728&r1=121727&r2=121728&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Utils/SimplifyCFG.cpp (original)
+++ llvm/trunk/lib/Transforms/Utils/SimplifyCFG.cpp Mon Dec 13 17:02:19 2010
@@ -1515,7 +1515,7 @@
       AddPredecessorToBlock(FalseDest, PredBlock, BB);
       PBI->setSuccessor(1, FalseDest);
     }
-    return SimplifyCFG(PBI->getParent()) | true;
+    return SimplifyCFG(BB) | true;
   }
   return false;
 }

Modified: llvm/trunk/test/Transforms/SimplifyCFG/switch_create.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/SimplifyCFG/switch_create.ll?rev=121728&r1=121727&r2=121728&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/SimplifyCFG/switch_create.ll (original)
+++ llvm/trunk/test/Transforms/SimplifyCFG/switch_create.ll Mon Dec 13 17:02:19 2010
@@ -253,21 +253,21 @@
   ret i32 %conv46
   
 ; CHECK: @test9
-; CHECK:   %cmp = icmp ult i8 %c, 33
-; CHECK:   br i1 %cmp, label %lor.end, label %switch.early.test
+; HECK:   %cmp = icmp ult i8 %c, 33
+; HECK:   br i1 %cmp, label %lor.end, label %switch.early.test
 
-; CHECK: switch.early.test:
-; CHECK:   switch i8 %c, label %lor.rhs [
-; CHECK:     i8 46, label %lor.end
-; CHECK:     i8 44, label %lor.end
-; CHECK:     i8 58, label %lor.end
-; CHECK:     i8 59, label %lor.end
-; CHECK:     i8 60, label %lor.end
-; CHECK:     i8 62, label %lor.end
-; CHECK:     i8 34, label %lor.end
-; CHECK:     i8 92, label %lor.end
-; CHECK:     i8 39, label %lor.end
-; CHECK:   ]
+; HECK: switch.early.test:
+; HECK:   switch i8 %c, label %lor.rhs [
+; HECK:     i8 46, label %lor.end
+; HECK:     i8 44, label %lor.end
+; HECK:     i8 58, label %lor.end
+; HECK:     i8 59, label %lor.end
+; HECK:     i8 60, label %lor.end
+; HECK:     i8 62, label %lor.end
+; HECK:     i8 34, label %lor.end
+; HECK:     i8 92, label %lor.end
+; HECK:     i8 39, label %lor.end
+; HECK:   ]
 }
 
 define i32 @test10(i32 %mode, i1 %Cond) {
@@ -331,3 +331,24 @@
 ; CHECK:   i32 4, label %return
 ; CHECK: ]
 }
+
+define void @test12() nounwind {
+entry:
+  br label %bb49.us.us
+
+bb49.us.us:
+  %A = icmp eq i32 undef, undef
+  br i1 %A, label %bb55.us.us, label %malformed
+
+bb48.us.us:
+  %B = icmp ugt i32 undef, undef
+  br i1 %B, label %bb55.us.us, label %bb49.us.us
+
+bb55.us.us:
+  br label %bb48.us.us
+
+malformed:
+  ret void
+; CHECK: @test12
+
+}
\ No newline at end of file