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Fix out of date comment, remove use of ConstantExpr::getShift

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llvm-svn: 10794
This commit is contained in:
Chris Lattner 2004-01-12 19:12:58 +00:00
parent de401bbd4b
commit 35771f4fd2
1 changed files with 1 additions and 8 deletions
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9
lib/VMCore/Constants.cpp
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@ -501,13 +501,6 @@ void ConstantExpr::replaceUsesOfWithOnConstant(Value *From, Value *ToV,
} else if (getOpcode() == Instruction::Cast) {
assert(getOperand(0) == From && "Cast only has one use!");
Replacement = ConstantExpr::getCast(To, getType());
} else if (getOpcode() == Instruction::Shl ||
getOpcode() == Instruction::Shr) {
Constant *C1 = getOperand(0);
Constant *C2 = getOperand(1);
if (C1 == From) C1 = To;
if (C2 == From) C2 = To;
Replacement = ConstantExpr::getShift(getOpcode(), C1, C2);
} else if (getNumOperands() == 2) {
Constant *C1 = getOperand(0);
Constant *C2 = getOperand(1);
@ -958,7 +951,7 @@ Constant *ConstantExpr::getTy(const Type *ReqTy, unsigned Opcode,
return ExprConstants.getOrCreate(ReqTy, Key);
}
/// getShift - Return a shift left or shift right constant expr
/// getShiftTy - Return a shift left or shift right constant expr
Constant *ConstantExpr::getShiftTy(const Type *ReqTy, unsigned Opcode,
Constant *C1, Constant *C2) {
// Check the operands for consistency first