[llvm-commits] CVS: llvm/lib/Transforms/Scalar/InstructionCombining.cpp

[Chris Lattner]

Changes in directory llvm/lib/Transforms/Scalar:

InstructionCombining.cpp updated: 1.646 -> 1.647
---
Log message:

fix a subtle bug that caused an MSVC warning.  Thanks to Jeffc for pointing 
this out.


---
Diffs of the changes:  (+3 -2)

 InstructionCombining.cpp |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)


Index: llvm/lib/Transforms/Scalar/InstructionCombining.cpp
diff -u llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.646 
llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.647
--- llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.646   Sun Mar  4 
18:02:29 2007
+++ llvm/lib/Transforms/Scalar/InstructionCombining.cpp Sun Mar  4 18:11:19 2007
@@ -5559,10 +5559,11 @@
           
           // Turn (Y + ((X >> C) & CC)) << C  ->  ((X & (CC << C)) + (Y << C))
           Value *Op0BOOp1 = Op0BO->getOperand(1);
-          if (isLeftShift && Op0BOOp1->hasOneUse() && V2 == Op1 &&
+          if (isLeftShift && Op0BOOp1->hasOneUse() &&
               match(Op0BOOp1, 
                     m_And(m_Shr(m_Value(V1), m_Value(V2)),m_ConstantInt(CC))) 
&&
-              cast<BinaryOperator>(Op0BOOp1)->getOperand(0)-> hasOneUse()) {
+              cast<BinaryOperator>(Op0BOOp1)->getOperand(0)->hasOneUse() &&
+              V2 == Op1) {
             Instruction *YS = BinaryOperator::createShl(
                                                      Op0BO->getOperand(0), Op1,
                                                      Op0BO->getName());



_______________________________________________
llvm-commits mailing list
llvm-commits@cs.uiuc.edu
http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits