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simplify a bunch of code by using SelectionDAG::CreateStackTemporary

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instead of inlining its body.

llvm-svn: 46062
This commit is contained in:
Chris Lattner 2008-01-16 07:03:22 +00:00
parent 1f22d9154a
commit db34498516
1 changed files with 6 additions and 28 deletions
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34
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@ -3579,13 +3579,7 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
// NOTE: there is a choice here between constantly creating new stack
// slots and always reusing the same one. We currently always create
// new ones, as reuse may inhibit scheduling.
const Type *Ty = MVT::getTypeForValueType(oldVT);
uint64_t TySize = TLI.getTargetData()->getABITypeSize(Ty);
unsigned Align = TLI.getTargetData()->getPrefTypeAlignment(Ty);
MachineFunction &MF = DAG.getMachineFunction();
int SSFI =
MF.getFrameInfo()->CreateStackObject(TySize, Align);
SDOperand StackSlot = DAG.getFrameIndex(SSFI, TLI.getPointerTy());
SDOperand StackSlot = DAG.CreateStackTemporary(oldVT);
Result = DAG.getStore(DAG.getEntryNode(), Node->getOperand(0),
StackSlot, NULL, 0);
Result = DAG.getExtLoad(ISD::EXTLOAD, newVT,
@ -3621,12 +3615,7 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
// NOTE: there is a choice here between constantly creating new stack
// slots and always reusing the same one. We currently always create
// new ones, as reuse may inhibit scheduling.
const Type *Ty = MVT::getTypeForValueType(newVT);
uint64_t TySize = TLI.getTargetData()->getABITypeSize(Ty);
unsigned Align = TLI.getTargetData()->getPrefTypeAlignment(Ty);
MachineFunction &MF = DAG.getMachineFunction();
int SSFI = MF.getFrameInfo()->CreateStackObject(TySize, Align);
SDOperand StackSlot = DAG.getFrameIndex(SSFI, TLI.getPointerTy());
SDOperand StackSlot = DAG.CreateStackTemporary(newVT);
Result = DAG.getTruncStore(DAG.getEntryNode(), Node->getOperand(0),
StackSlot, NULL, 0, newVT);
Result = DAG.getLoad(newVT, Result, StackSlot, NULL, 0);
@ -3708,13 +3697,7 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
// NOTE: there is a choice here between constantly creating new stack
// slots and always reusing the same one. We currently always create
// new ones, as reuse may inhibit scheduling.
const Type *Ty = MVT::getTypeForValueType(ExtraVT);
uint64_t TySize = TLI.getTargetData()->getABITypeSize(Ty);
unsigned Align = TLI.getTargetData()->getPrefTypeAlignment(Ty);
MachineFunction &MF = DAG.getMachineFunction();
int SSFI =
MF.getFrameInfo()->CreateStackObject(TySize, Align);
SDOperand StackSlot = DAG.getFrameIndex(SSFI, TLI.getPointerTy());
SDOperand StackSlot = DAG.CreateStackTemporary(ExtraVT);
Result = DAG.getTruncStore(DAG.getEntryNode(), Node->getOperand(0),
StackSlot, NULL, 0, ExtraVT);
Result = DAG.getExtLoad(ISD::EXTLOAD, Node->getValueType(0),
@ -5070,14 +5053,9 @@ SDOperand SelectionDAGLegalize::ExpandLegalINT_TO_FP(bool isSigned,
if (Op0.getValueType() == MVT::i32) {
// simple 32-bit [signed|unsigned] integer to float/double expansion
// get the stack frame index of a 8 byte buffer, pessimistically aligned
MachineFunction &MF = DAG.getMachineFunction();
const Type *F64Type = MVT::getTypeForValueType(MVT::f64);
unsigned StackAlign =
(unsigned)TLI.getTargetData()->getPrefTypeAlignment(F64Type);
int SSFI = MF.getFrameInfo()->CreateStackObject(8, StackAlign);
// get address of 8 byte buffer
SDOperand StackSlot = DAG.getFrameIndex(SSFI, TLI.getPointerTy());
// Get the stack frame index of a 8 byte buffer.
SDOperand StackSlot = DAG.CreateStackTemporary(MVT::f64);
// word offset constant for Hi/Lo address computation
SDOperand WordOff = DAG.getConstant(sizeof(int), TLI.getPointerTy());
// set up Hi and Lo (into buffer) address based on endian