//===----------------------------------------------------------------------===//
#include "llvm/Transforms/Scalar.h"
-#include "llvm/ConstantHandling.h"
+#include "llvm/Constants.h"
#include "llvm/Function.h"
#include "llvm/GlobalVariable.h"
#include "llvm/Instructions.h"
#include "llvm/Pass.h"
+#include "llvm/Type.h"
#include "llvm/Support/InstVisitor.h"
#include "Support/Debug.h"
#include "Support/Statistic.h"
void SCCP::visitCastInst(CastInst &I) {
Value *V = I.getOperand(0);
InstVal &VState = getValueState(V);
- if (VState.isOverdefined()) { // Inherit overdefinedness of operand
+ if (VState.isOverdefined()) // Inherit overdefinedness of operand
markOverdefined(&I);
- } else if (VState.isConstant()) { // Propagate constant value
- Constant *Result =
- ConstantFoldCastInstruction(VState.getConstant(), I.getType());
-
- if (Result) // If this instruction constant folds!
- markConstant(&I, Result);
- else
- markOverdefined(&I); // Don't know how to fold this instruction. :(
- }
+ else if (VState.isConstant()) // Propagate constant value
+ markConstant(&I, ConstantExpr::getCast(VState.getConstant(), I.getType()));
}
// Handle BinaryOperators and Shift Instructions...