//===----------------------------------------------------------------------===//
#include "llvm/Constants.h"
+#include "llvm/ConstantHandling.h"
#include "llvm/DerivedTypes.h"
#include "llvm/iMemory.h"
#include "llvm/SymbolTable.h"
static ValueMap<const ExprMapKeyType, ConstantExpr> ExprConstants;
Constant *ConstantExpr::getCast(Constant *C, const Type *Ty) {
+ if (Constant *FC = ConstantFoldCastInstruction(C, Ty))
+ return FC; // Fold a few common cases...
+
// Look up the constant in the table first to ensure uniqueness
vector<Constant*> argVec(1, C);
const ExprMapKeyType &Key = make_pair(Instruction::Cast, argVec);
}
Constant *ConstantExpr::get(unsigned Opcode, Constant *C1, Constant *C2) {
+
+ if (Constant *FC = ConstantFoldBinaryInstruction(Opcode, C1, C2))
+ return FC; // Fold a few common cases...
+
// Look up the constant in the table first to ensure uniqueness
vector<Constant*> argVec(1, C1); argVec.push_back(C2);
const ExprMapKeyType &Key = make_pair(Opcode, argVec);
Constant *ConstantExpr::getGetElementPtr(Constant *C,
const std::vector<Constant*> &IdxList){
+ if (Constant *FC = ConstantFoldGetElementPtr(C, IdxList))
+ return FC; // Fold a few common cases...
const Type *Ty = C->getType();
// Look up the constant in the table first to ensure uniqueness