Transforms/Utils/Evaluator.cpp

84   ConstantExpr *CE = cast<ConstantExpr>(C);
85   switch (CE->getOpcode()) {
88     return isSimpleEnoughValueToCommit(CE->getOperand(0), SimpleConstants, DL);
94     if (DL.getTypeSizeInBits(CE->getType()) !=
95         DL.getTypeSizeInBits(CE->getOperand(0)->getType()))
97     return isSimpleEnoughValueToCommit(CE->getOperand(0), SimpleConstants, DL);
101     for (unsigned i = 1, e = CE->getNumOperands(); i != e; ++i)
102       if (!isa<ConstantInt>(CE->getOperand(i)))
104     return isSimpleEnoughValueToCommit(CE->getOperand(0), SimpleConstants, DL);
108     if (!isa<ConstantInt>(CE->getOperand(1)))
110     return isSimpleEnoughValueToCommit(CE->getOperand(0), SimpleConstants, DL);
141   if (ConstantExpr *CE = dyn_cast<ConstantExpr>(C)) {
143     if (CE->getOpcode() == Instruction::GetElementPtr &&
144         isa<GlobalVariable>(CE->getOperand(0)) &&
145         cast<GEPOperator>(CE)->isInBounds()) {
146       GlobalVariable *GV = cast<GlobalVariable>(CE->getOperand(0));
153       ConstantInt *CI = dyn_cast<ConstantInt>(*std::next(CE->op_begin()));
158       if (!CE->isGEPWithNoNotionalOverIndexing())
161       return ConstantFoldLoadThroughGEPConstantExpr(GV->getInitializer(), CE);
166     } else if (CE->getOpcode() == Instruction::BitCast &&
167                isa<GlobalVariable>(CE->getOperand(0))) {
170       return cast<GlobalVariable>(CE->getOperand(0))->hasUniqueInitializer();
231   if (ConstantExpr *CE = dyn_cast<ConstantExpr>(P)) {
232     switch (CE->getOpcode()) {
235       if (auto *I = getInitializer(CE->getOperand(0)))
236         return ConstantFoldLoadThroughGEPConstantExpr(I, CE);
245           evaluateBitcastFromPtr(CE->getOperand(0), DL, TLI, findMemLoc);
247         Val = getInitializer(CE->getOperand(0));
275   auto *CE = dyn_cast<ConstantExpr>(V);
276   if (!CE || CE->getOpcode() != Instruction::BitCast ||
277       !getFormalParams(CS, getFunction(CE->getOperand(0)), Formals))
281       ConstantFoldLoadThroughBitcast(CE, CE->getOperand(0)->getType(), DL));
312   ConstantExpr *CE = dyn_cast<ConstantExpr>(CallExpr);
313   if (!RV || !CE || CE->getOpcode() != Instruction::BitCast)
317           dyn_cast<FunctionType>(CE->getType()->getPointerElementType())) {
364       if (ConstantExpr *CE = dyn_cast<ConstantExpr>(Ptr)) {
365         if (CE->getOpcode() == Instruction::BitCast) {
385               evaluateBitcastFromPtr(CE->getOperand(0), DL, TLI, castValTy);