// Arguments and constants dominate all instructions.
return true;
- // If we are processing instructions (and/or basic blocks) that have not been
- // fully added to a function, the parent nodes may still be null. Simply
- // return the conservative answer in these cases.
- if (!I->getParent() || !P->getParent() || !I->getFunction())
- return false;
-
// If we have a DominatorTree then do a precise test.
if (DT)
return DT->dominates(I, P);
// that might be resolve lazily to symbols in another dynamically-loaded
// library (and, thus, could be malloc'ed by the implementation).
if (const AllocaInst *AI = dyn_cast<AllocaInst>(V))
- return AI->getParent() && AI->getFunction() && AI->isStaticAlloca();
+ return AI->isStaticAlloca();
if (const GlobalValue *GV = dyn_cast<GlobalValue>(V))
return (GV->hasLocalLinkage() || GV->hasHiddenVisibility() ||
GV->hasProtectedVisibility() || GV->hasGlobalUnnamedAddr()) &&
Value *LHS, Value *RHS,
const SimplifyQuery &Q) {
// Gracefully handle instructions that have not been inserted yet.
- if (!Q.AC || !Q.CxtI || !Q.CxtI->getParent())
+ if (!Q.AC || !Q.CxtI)
return nullptr;
for (Value *AssumeBaseOp : {LHS, RHS}) {
if (!NumOperands) {
switch (IID) {
case Intrinsic::vscale: {
- // Call may not be inserted into the IR yet at point of calling simplify.
- if (!Call->getParent() || !Call->getParent()->getParent())
- return nullptr;
auto Attr = Call->getFunction()->getFnAttribute(Attribute::VScaleRange);
if (!Attr.isValid())
return nullptr;
// Replace the instruction with its simplified value.
I->replaceAllUsesWith(SimpleV);
- // Gracefully handle edge cases where the instruction is not wired into any
- // parent block.
- if (I->getParent() && !I->isEHPad() && !I->isTerminator() &&
- !I->mayHaveSideEffects())
+ if (!I->isEHPad() && !I->isTerminator() && !I->mayHaveSideEffects())
I->eraseFromParent();
} else {
Worklist.insert(I);
// Replace the instruction with its simplified value.
I->replaceAllUsesWith(SimpleV);
- // Gracefully handle edge cases where the instruction is not wired into any
- // parent block.
- if (I->getParent() && !I->isEHPad() && !I->isTerminator() &&
- !I->mayHaveSideEffects())
+ if (!I->isEHPad() && !I->isTerminator() && !I->mayHaveSideEffects())
I->eraseFromParent();
}
return Simplified;