commit 612683b0d736f9b807b57d8783f29273fc4c9435
author Reid Spencer <rspencer@reidspencer.com> Wed Dec 13 08:33:33 2006 +0000
committer Reid Spencer <rspencer@reidspencer.com> Wed Dec 13 08:33:33 2006 +0000
tree a5528b183451bed703c818a26349948dbb5ededa
parent 799b5bfc71e9f0de3d0c3539a1554813e4c2658a

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.

llvm-svn: 32539

llvm/lib/Transforms/Scalar/InstructionCombining.cpp

diff --git a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp
index 232e504..68089c2 100644
--- a/llvm/lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/llvm/lib/Transforms/Scalar/InstructionCombining.cpp
@@ -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))) {