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Special case gep of small_typeof #1433

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merged 1 commit into from
Sep 18, 2023
Merged

Special case gep of small_typeof #1433

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10 changes: 10 additions & 0 deletions enzyme/Enzyme/TypeAnalysis/TypeAnalysis.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1401,6 +1401,16 @@ void TypeAnalyzer::visitGetElementPtrInst(GetElementPtrInst &gep) {
return;
}
}
if (auto GV = dyn_cast<GlobalVariable>(gep.getPointerOperand())) {
// from julia code, do not propagate int to operands
if (GV->getName() == "small_typeof") {
TypeTree T;
T.insert({-1}, BaseType::Pointer);
T.insert({-1, -1}, BaseType::Pointer);
updateAnalysis(&gep, T, &gep);
return;
}
}

if (gep.indices().begin() == gep.indices().end()) {
if (direction & DOWN)
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