Remove support for NOT instruction
llvm-svn: 3323
diff --git a/llvm/lib/Transforms/Scalar/GCSE.cpp b/llvm/lib/Transforms/Scalar/GCSE.cpp
index 6f86aa8..a99a502 100644
--- a/llvm/lib/Transforms/Scalar/GCSE.cpp
+++ b/llvm/lib/Transforms/Scalar/GCSE.cpp
@@ -48,10 +48,9 @@
// instruction being checked. They should return true if a common
// subexpression was folded.
//
- bool visitUnaryOperator(Instruction &I);
bool visitBinaryOperator(Instruction &I);
bool visitGetElementPtrInst(GetElementPtrInst &I);
- bool visitCastInst(CastInst &I){return visitUnaryOperator((Instruction&)I);}
+ bool visitCastInst(CastInst &I);
bool visitShiftInst(ShiftInst &I) {
return visitBinaryOperator((Instruction&)I);
}
@@ -254,14 +253,14 @@
//
//===----------------------------------------------------------------------===//
-bool GCSE::visitUnaryOperator(Instruction &I) {
+bool GCSE::visitCastInst(CastInst &I) {
Value *Op = I.getOperand(0);
Function *F = I.getParent()->getParent();
for (Value::use_iterator UI = Op->use_begin(), UE = Op->use_end();
UI != UE; ++UI)
if (Instruction *Other = dyn_cast<Instruction>(*UI))
- // Check to see if this new binary operator is not I, but same operand...
+ // Check to see if this new cast is not I, but has the same operand...
if (Other != &I && Other->getOpcode() == I.getOpcode() &&
Other->getOperand(0) == Op && // Is the operand the same?
// Is it embeded in the same function? (This could be false if LHS