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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;

5
lib/Analysis/ConstantFolding.cpp
View File

@ -681,8 +681,9 @@ static Constant *CastGEPIndices(ArrayRef<Constant *> Ops, Type *ResultTy,
for (unsigned i = 1, e = Ops.size(); i != e; ++i) {
if ((i == 1 ||
!isa<StructType>(GetElementPtrInst::getIndexedType(
Ops[0]->getType(),
Ops.slice(1, i - 1)))) &&
cast<PointerType>(Ops[0]->getType()->getScalarType())
->getElementType(),
Ops.slice(1, i - 1)))) &&
Ops[i]->getType() != IntPtrTy) {
Any = true;
NewIdxs.push_back(ConstantExpr::getCast(CastInst::getCastOpcode(Ops[i],

3
lib/Analysis/InstructionSimplify.cpp
View File

@ -3251,7 +3251,8 @@ static Value *SimplifyGEPInst(ArrayRef<Value *> Ops, const Query &Q, unsigned) {
return Ops[0];
// Compute the (pointer) type returned by the GEP instruction.
Type *LastType = GetElementPtrInst::getIndexedType(PtrTy, Ops.slice(1));
Type *LastType =
GetElementPtrInst::getIndexedType(PtrTy->getElementType(), Ops.slice(1));
Type *GEPTy = PointerType::get(LastType, AS);
if (VectorType *VT = dyn_cast<VectorType>(Ops[0]->getType()))
GEPTy = VectorType::get(GEPTy, VT->getNumElements());