maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

Explicitly add PseudoSourceValue information when lowering 

BUILD_VECTOR and conversions to stack operations.

llvm-svn: 63333
This commit is contained in:
Dan Gohman 2009-01-29 21:02:43 +00:00
parent 506374cc59
commit 14d55f0a5c
1 changed files with 11 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
View File

@ -5375,7 +5375,8 @@ SDValue SelectionDAGLegalize::EmitStackConvert(SDValue SrcOp,
FrameIndexSDNode *StackPtrFI = cast<FrameIndexSDNode>(FIPtr);
int SPFI = StackPtrFI->getIndex();
const Value *SV = PseudoSourceValue::getFixedStack(SPFI);
unsigned SrcSize = SrcOp.getValueType().getSizeInBits();
unsigned SlotSize = SlotVT.getSizeInBits();
unsigned DestSize = DestVT.getSizeInBits();
@ -5388,21 +5389,19 @@ SDValue SelectionDAGLegalize::EmitStackConvert(SDValue SrcOp,
if (SrcSize > SlotSize)
Store = DAG.getTruncStore(DAG.getEntryNode(), SrcOp, FIPtr,
PseudoSourceValue::getFixedStack(SPFI), 0,
SlotVT, false, SrcAlign);
SV, 0, SlotVT, false, SrcAlign);
else {
assert(SrcSize == SlotSize && "Invalid store");
Store = DAG.getStore(DAG.getEntryNode(), SrcOp, FIPtr,
PseudoSourceValue::getFixedStack(SPFI), 0,
false, SrcAlign);
SV, 0, false, SrcAlign);
}
// Result is a load from the stack slot.
if (SlotSize == DestSize)
return DAG.getLoad(DestVT, Store, FIPtr, NULL, 0, false, DestAlign);
return DAG.getLoad(DestVT, Store, FIPtr, SV, 0, false, DestAlign);
assert(SlotSize < DestSize && "Unknown extension!");
return DAG.getExtLoad(ISD::EXTLOAD, DestVT, Store, FIPtr, NULL, 0, SlotVT,
return DAG.getExtLoad(ISD::EXTLOAD, DestVT, Store, FIPtr, SV, 0, SlotVT,
false, DestAlign);
}
@ -5568,7 +5567,9 @@ SDValue SelectionDAGLegalize::ExpandBUILD_VECTOR(SDNode *Node) {
MVT VT = Node->getValueType(0);
// Create the stack frame object.
SDValue FIPtr = DAG.CreateStackTemporary(VT);
int FI = cast<FrameIndexSDNode>(FIPtr.getNode())->getIndex();
const Value *SV = PseudoSourceValue::getFixedStack(FI);
// Emit a store of each element to the stack slot.
SmallVector<SDValue, 8> Stores;
unsigned TypeByteSize = Node->getOperand(0).getValueType().getSizeInBits()/8;
@ -5583,7 +5584,7 @@ SDValue SelectionDAGLegalize::ExpandBUILD_VECTOR(SDNode *Node) {
Idx = DAG.getNode(ISD::ADD, FIPtr.getValueType(), FIPtr, Idx);
Stores.push_back(DAG.getStore(DAG.getEntryNode(), Node->getOperand(i), Idx,
NULL, 0));
SV, Offset));
}
SDValue StoreChain;
@ -5594,7 +5595,7 @@ SDValue SelectionDAGLegalize::ExpandBUILD_VECTOR(SDNode *Node) {
StoreChain = DAG.getEntryNode();
// Result is a load from the stack slot.
return DAG.getLoad(VT, StoreChain, FIPtr, NULL, 0);
return DAG.getLoad(VT, StoreChain, FIPtr, SV, 0);
}
void SelectionDAGLegalize::ExpandShiftParts(unsigned NodeOp,