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

Reid Spencer reid at x10sys.com
Wed Dec 13 00:33:48 PST 2006



Changes in directory llvm/lib/Transforms/Scalar:

InstructionCombining.cpp updated: 1.567 -> 1.568
---
Log message:

For mul transforms, when checking for a cast from bool as either operand,
make sure to also check that it is a zext from bool, not any other cast
operation type.


---
Diffs of the changes:  (+4 -2)

 InstructionCombining.cpp |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)


Index: llvm/lib/Transforms/Scalar/InstructionCombining.cpp
diff -u llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.567 llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.568
--- llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.567	Wed Dec 13 02:27:15 2006
+++ llvm/lib/Transforms/Scalar/InstructionCombining.cpp	Wed Dec 13 02:33:33 2006
@@ -2172,11 +2172,13 @@
   // formed.
   CastInst *BoolCast = 0;
   if (CastInst *CI = dyn_cast<CastInst>(I.getOperand(0)))
-    if (CI->getOperand(0)->getType() == Type::BoolTy)
+    if (CI->getOperand(0)->getType() == Type::BoolTy &&
+        CI->getOpcode() == Instruction::ZExt)
       BoolCast = CI;
   if (!BoolCast)
     if (CastInst *CI = dyn_cast<CastInst>(I.getOperand(1)))
-      if (CI->getOperand(0)->getType() == Type::BoolTy)
+      if (CI->getOperand(0)->getType() == Type::BoolTy &&
+        CI->getOpcode() == Instruction::ZExt)
         BoolCast = CI;
   if (BoolCast) {
     if (SetCondInst *SCI = dyn_cast<SetCondInst>(BoolCast->getOperand(0))) {






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