/// pointerInvalidatedByLoop - Return true if the body of this loop may
/// store into the memory location pointed to by V.
///
- bool pointerInvalidatedByLoop(Value *V) {
+ bool pointerInvalidatedByLoop(Value *V, unsigned Size) {
// Check to see if any of the basic blocks in CurLoop invalidate *V.
- return CurAST->getAliasSetForPointer(V, 0).isMod();
+ return CurAST->getAliasSetForPointer(V, Size).isMod();
}
bool canSinkOrHoistInst(Instruction &I);
return false; // Don't hoist volatile loads!
// Don't hoist loads which have may-aliased stores in loop.
- return !pointerInvalidatedByLoop(LI->getOperand(0));
+ unsigned Size = 0;
+ if (LI->getType()->isSized())
+ Size = AA->getTargetData().getTypeSize(LI->getType());
+ return !pointerInvalidatedByLoop(LI->getOperand(0), Size);
} else if (CallInst *CI = dyn_cast<CallInst>(&I)) {
// Handle obvious cases efficiently.
if (Function *Callee = CI->getCalledFunction()) {