[llvm-commits] [llvm] r47150 - in /llvm/trunk: lib/Transforms/Scalar/LoopRotation.cpp test/Other/2008-02-14-PassManager.ll

[Devang Patel]

Author: dpatel
Date: Thu Feb 14 19:24:49 2008
New Revision: 47150

URL: http://llvm.org/viewvc/llvm-project?rev=47150&view=rev
Log:
Fix PR2028

Added:
    llvm/trunk/test/Other/2008-02-14-PassManager.ll
Modified:
    llvm/trunk/lib/Transforms/Scalar/LoopRotation.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/LoopRotation.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/LoopRotation.cpp?rev=47150&r1=47149&r2=47150&view=diff

==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/LoopRotation.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/LoopRotation.cpp Thu Feb 14 19:24:49 2008
@@ -56,12 +56,12 @@
 
     // LCSSA form makes instruction renaming easier.
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+      AU.addRequiredID(LoopSimplifyID);
+      AU.addPreservedID(LoopSimplifyID);
       AU.addRequiredID(LCSSAID);
       AU.addPreservedID(LCSSAID);
       AU.addPreserved<ScalarEvolution>();
       AU.addPreserved<LoopInfo>();
-      AU.addRequiredID(LoopSimplifyID);
-      AU.addPreservedID(LoopSimplifyID);
       AU.addPreserved<DominatorTree>();
       AU.addPreserved<DominanceFrontier>();
     }

Added: llvm/trunk/test/Other/2008-02-14-PassManager.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Other/2008-02-14-PassManager.ll?rev=47150&view=auto

==============================================================================
--- llvm/trunk/test/Other/2008-02-14-PassManager.ll (added)
+++ llvm/trunk/test/Other/2008-02-14-PassManager.ll Thu Feb 14 19:24:49 2008
@@ -0,0 +1,5 @@
+; RUN:  llvm-as < %s |  opt -loop-unroll -loop-rotate -simplifycfg -disable-output
+; PR 2028
+define i32 @test1() {
+       ret i32 0;
+}