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[SLP][NFC] Restructure areTwoInsertFromSameBuildVector 

Reviewed By: ABataev

Differential Revision: https://reviews.llvm.org/D137569
This commit is contained in:
skc7 2022-11-07 22:06:12 +05:30
parent e72fb69210
commit 9d96feb19b
1 changed files with 6 additions and 4 deletions
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10
llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
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@ -7153,8 +7153,10 @@ static bool areTwoInsertFromSameBuildVector(
return false;
auto *IE1 = VU;
auto *IE2 = V;
unsigned Idx1 = *getInsertIndex(IE1);
unsigned Idx2 = *getInsertIndex(IE2);
Optional<unsigned> Idx1 = getInsertIndex(IE1);
Optional<unsigned> Idx2 = getInsertIndex(IE2);
if (Idx1 == None || Idx2 == None)
return false;
// Go through the vector operand of insertelement instructions trying to find
// either VU as the original vector for IE2 or V as the original vector for
// IE1.
@ -7165,14 +7167,14 @@ static bool areTwoInsertFromSameBuildVector(
return V->hasOneUse();
if (IE1) {
if ((IE1 != VU && !IE1->hasOneUse()) ||
getInsertIndex(IE1).value_or(Idx2) == Idx2)
getInsertIndex(IE1).value_or(*Idx2) == *Idx2)
IE1 = nullptr;
else
IE1 = dyn_cast_or_null<InsertElementInst>(GetBaseOperand(IE1));
}
if (IE2) {
if ((IE2 != V && !IE2->hasOneUse()) ||
getInsertIndex(IE2).value_or(Idx1) == Idx1)
getInsertIndex(IE2).value_or(*Idx1) == *Idx1)
IE2 = nullptr;
else
IE2 = dyn_cast_or_null<InsertElementInst>(GetBaseOperand(IE2));