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[opaque pointer type] Explicitly store the pointee type of the result of a GEP

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Alternatively, this type could be derived on-demand whenever
getResultElementType is called - if someone thinks that's the better
choice (simple time/space tradeoff), I'm happy to give it a go.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238716 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie
2015-06-01 03:09:34 +00:00
parent dd2e39c453
commit d84c8ef1be
3 changed files with 19 additions and 5 deletions
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5
lib/Transforms/Utils/ValueMapper.cpp
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@ -400,8 +400,11 @@ void llvm::RemapInstruction(Instruction *I, ValueToValueMapTy &VMap,
}
if (auto *AI = dyn_cast<AllocaInst>(I))
AI->setAllocatedType(TypeMapper->remapType(AI->getAllocatedType()));
if (auto *GEP = dyn_cast<GetElementPtrInst>(I))
if (auto *GEP = dyn_cast<GetElementPtrInst>(I)) {
GEP->setSourceElementType(
TypeMapper->remapType(GEP->getSourceElementType()));
GEP->setResultElementType(
TypeMapper->remapType(GEP->getResultElementType()));
}
I->mutateType(TypeMapper->remapType(I->getType()));
}