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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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3
lib/IR/Instructions.cpp
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@ -1249,7 +1249,8 @@ GetElementPtrInst::GetElementPtrInst(const GetElementPtrInst &GEPI)
OperandTraits<GetElementPtrInst>::op_end(this) -
GEPI.getNumOperands(),
GEPI.getNumOperands()),
SourceElementType(GEPI.SourceElementType) {
SourceElementType(GEPI.SourceElementType),
ResultElementType(GEPI.ResultElementType) {
std::copy(GEPI.op_begin(), GEPI.op_end(), op_begin());
SubclassOptionalData = GEPI.SubclassOptionalData;
}