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Do not depend on index type to determine whether it is a structure or sequential index

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10221 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-11-25 20:19:55 +00:00
parent c4c6b9e5bc
commit fa3711a0f8
1 changed files with 12 additions and 11 deletions
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23
lib/Analysis/DataStructure/Local.cpp
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@ -17,6 +17,7 @@
#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Instructions.h"
#include "llvm/Support/GetElementPtrTypeIterator.h"
#include "llvm/Support/InstVisitor.h"
#include "llvm/Target/TargetData.h"
#include "Support/CommandLine.h"
@ -366,12 +367,17 @@ void GraphBuilder::visitGetElementPtrInst(User &GEP) {
// All of these subscripts are indexing INTO the elements we have...
unsigned Offset = 0;
for (unsigned i = 2, e = GEP.getNumOperands(); i < e; ++i)
if (GEP.getOperand(i)->getType() == Type::LongTy) {
// Get the type indexing into...
const SequentialType *STy = cast<SequentialType>(CurTy);
CurTy = STy->getElementType();
for (gep_type_iterator I = gep_type_begin(GEP), E = gep_type_end(GEP);
I != E; ++I)
if (const StructType *STy = dyn_cast<StructType>(*I)) {
unsigned FieldNo = cast<ConstantUInt>(I.getOperand())->getValue();
Offset += TD.getStructLayout(STy)->MemberOffsets[FieldNo];
}
#if 0
if (const SequentialType *STy = cast<SequentialType>(*I)) {
CurTy = STy->getElementType();
if (ConstantSInt *CS = dyn_cast<ConstantSInt>(GEP.getOperand(i))) {
Offset += CS->getValue()*TD.getTypeSize(CurTy);
} else {
@ -394,13 +400,8 @@ void GraphBuilder::visitGetElementPtrInst(User &GEP) {
N->mergeIndexes(RawOffset+j, RawOffset+i*ElSize+j);
}
}
#endif
} else if (GEP.getOperand(i)->getType() == Type::UByteTy) {
unsigned FieldNo = cast<ConstantUInt>(GEP.getOperand(i))->getValue();
const StructType *STy = cast<StructType>(CurTy);
Offset += TD.getStructLayout(STy)->MemberOffsets[FieldNo];
CurTy = STy->getContainedType(FieldNo);
}
#endif
// Add in the offset calculated...
Value.setOffset(Value.getOffset()+Offset);