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tracking the instructions causing loads and stores provides more information than just the pointer being loaded or stored

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22311 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Lenharth 2005-06-29 15:57:19 +00:00
parent 1d231ec0b0
commit 782ad62f33
3 changed files with 5 additions and 8 deletions
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2
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
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@ -1394,8 +1394,6 @@ SDOperand SelectionDAG::getNode(unsigned Opcode, MVT::ValueType VT,
}
SDOperand SelectionDAG::getSrcValue(const Value *V, int Offset) {
assert((!V || isa<PointerType>(V->getType())) &&
"SrcValue is not a pointer?");
SDNode *&N = ValueNodes[std::make_pair(V, Offset)];
if (N) return SDOperand(N, 0);

4
lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
View File

@ -644,7 +644,7 @@ void SelectionDAGLowering::visitLoad(LoadInst &I) {
}
SDOperand L = DAG.getLoad(TLI.getValueType(I.getType()), Root, Ptr,
DAG.getSrcValue(I.getOperand(0)));
DAG.getSrcValue(&I));
setValue(&I, L);
if (I.isVolatile())
@ -659,7 +659,7 @@ void SelectionDAGLowering::visitStore(StoreInst &I) {
SDOperand Src = getValue(SrcV);
SDOperand Ptr = getValue(I.getOperand(1));
DAG.setRoot(DAG.getNode(ISD::STORE, MVT::Other, getRoot(), Src, Ptr,
DAG.getSrcValue(I.getOperand(1))));
DAG.getSrcValue(&I)));
}
void SelectionDAGLowering::visitCall(CallInst &I) {

7
lib/Target/Alpha/AlphaISelPattern.cpp
View File

@ -607,16 +607,15 @@ void AlphaISel::EmitFunctionEntryCode(Function &Fn, MachineFunction &MF) {
//Find the offset of the arg in it's parent's function
static int getValueOffset(const Value* v)
{
static int uniqneg = -1;
if (v == NULL)
return uniqneg--;
return 0;
const Instruction* itarget = dyn_cast<Instruction>(v);
const BasicBlock* btarget = itarget->getParent();
const Function* ftarget = btarget->getParent();
//offset due to earlier BBs
int i = 0;
int i = 1;
for(Function::const_iterator ii = ftarget->begin(); &*ii != btarget; ++ii)
i += ii->size();
@ -1299,7 +1298,7 @@ unsigned AlphaISel::SelectExpr(SDOperand N) {
has_sym = true;
if (EnableAlphaLSMark)
BuildMI(BB, Alpha::MEMLABEL, 3).addImm(0).addImm(0).addImm(getUID());
BuildMI(BB, Alpha::MEMLABEL, 3).addImm(0).addImm(1).addImm(getUID());
BuildMI(BB, Alpha::LDQl, 2, Result)
.addGlobalAddress(cast<GlobalAddressSDNode>(N)->getGlobal())