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[opaque pointer type] Change GetElementPtrInst::getIndexedType to take the pointee type

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This pushes the use of PointerType::getElementType up into several
callers - I'll essentially just have to keep pushing that up the stack
until I can eliminate every call to it...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@233604 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie
2015-03-30 21:41:43 +00:00
parent a55ae077e4
commit 25e3d2d6d3
11 changed files with 44 additions and 32 deletions
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4
lib/Analysis/BasicAliasAnalysis.cpp
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@ -932,14 +932,14 @@ aliasSameBasePointerGEPs(const GEPOperator *GEP1, uint64_t V1Size,
// Also, check that they all index through arrays.
for (unsigned i = 1, e = GEP1->getNumIndices() - 1; i != e; ++i) {
if (!isa<ArrayType>(GetElementPtrInst::getIndexedType(
GEP1->getPointerOperandType(), IntermediateIndices)))
GEP1->getSourceElementType(), IntermediateIndices)))
return AliasAnalysis::MayAlias;
IntermediateIndices.push_back(GEP1->getOperand(i + 1));
}
StructType *LastIndexedStruct =
dyn_cast<StructType>(GetElementPtrInst::getIndexedType(
GEP1->getPointerOperandType(), IntermediateIndices));
GEP1->getSourceElementType(), IntermediateIndices));
if (!LastIndexedStruct)
return AliasAnalysis::MayAlias;