6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-08-08 19:25:47 +00:00
Code Issues Projects Releases Wiki Activity

Do not create load/stores with indexes

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3420 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2002-08-21 22:10:52 +00:00
parent 905641bb01
commit 3f9b28d075
1 changed files with 16 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
lib/Transforms/IPO/MutateStructTypes.cpp
View File

@@ -413,26 +413,28 @@ void MutateStructTypes::transformFunction(Function *m) {
break; break;
case Instruction::Load: case Instruction::Load:
assert(cast<MemAccessInst>(I).idx_begin() ==
cast<MemAccessInst>(I).idx_end() &&
"Indexing loads not supported!");
NewI = new LoadInst(ConvertValue(I.getOperand(0)));
break;
case Instruction::Store: case Instruction::Store:
assert(cast<MemAccessInst>(I).idx_begin() ==
cast<MemAccessInst>(I).idx_end() &&
"Indexing loads not supported!");
NewI = new StoreInst(ConvertValue(I.getOperand(0)),
ConvertValue(I.getOperand(1)));
break;
case Instruction::GetElementPtr: { case Instruction::GetElementPtr: {
const MemAccessInst &MAI = cast<MemAccessInst>(I); const GetElementPtrInst &GEP = cast<GetElementPtrInst>(I);
vector<Value*> Indices(MAI.idx_begin(), MAI.idx_end()); vector<Value*> Indices(GEP.idx_begin(), GEP.idx_end());
const Value *Ptr = MAI.getPointerOperand();
Value *NewPtr = ConvertValue(Ptr);
if (!Indices.empty()) { if (!Indices.empty()) {
const Type *PTy = cast<PointerType>(Ptr->getType())->getElementType(); const Type *PTy =
cast<PointerType>(GEP.getOperand(0)->getType())->getElementType();
AdjustIndices(cast<CompositeType>(PTy), Indices); AdjustIndices(cast<CompositeType>(PTy), Indices);
} }
if (isa<LoadInst>(I)) { NewI = new GetElementPtrInst(ConvertValue(GEP.getOperand(0)), Indices);
NewI = new LoadInst(NewPtr, Indices);
} else if (isa<StoreInst>(I)) {
NewI = new StoreInst(ConvertValue(I.getOperand(0)), NewPtr, Indices);
} else if (isa<GetElementPtrInst>(I)) {
NewI = new GetElementPtrInst(NewPtr, Indices);
} else {
assert(0 && "Unknown memory access inst!!!");
}
break; break;
} }