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llvm-svn: 117496
This commit is contained in:
Jim Grosbach 2010-10-27 21:39:08 +00:00
parent ed9652f959
commit 055de2c789
1 changed files with 17 additions and 17 deletions
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34
llvm/lib/Target/ARM/ARMFastISel.cpp
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@ -684,9 +684,9 @@ bool ARMFastISel::ARMComputeRegOffset(const Value *Obj, unsigned &Base,
} }
void ARMFastISel::ARMSimplifyRegOffset(unsigned &Base, int &Offset, EVT VT) { void ARMFastISel::ARMSimplifyRegOffset(unsigned &Base, int &Offset, EVT VT) {
assert(VT.isSimple() && "Non-simple types are invalid here!"); assert(VT.isSimple() && "Non-simple types are invalid here!");
bool needsLowering = false; bool needsLowering = false;
switch (VT.getSimpleVT().SimpleTy) { switch (VT.getSimpleVT().SimpleTy) {
default: default:
@ -704,7 +704,7 @@ void ARMFastISel::ARMSimplifyRegOffset(unsigned &Base, int &Offset, EVT VT) {
needsLowering = ((Offset & 0xff) != Offset); needsLowering = ((Offset & 0xff) != Offset);
break; break;
} }
// Since the offset is too large for the load/store instruction // Since the offset is too large for the load/store instruction
// get the reg+offset into a register. // get the reg+offset into a register.
if (needsLowering) { if (needsLowering) {
@ -766,14 +766,14 @@ bool ARMFastISel::ARMEmitLoad(EVT VT, unsigned &ResultReg,
} }
ResultReg = createResultReg(RC); ResultReg = createResultReg(RC);
ARMSimplifyRegOffset(Base, Offset, VT); ARMSimplifyRegOffset(Base, Offset, VT);
// addrmode5 output depends on the selection dag addressing dividing the // addrmode5 output depends on the selection dag addressing dividing the
// offset by 4 that it then later multiplies. Do this here as well. // offset by 4 that it then later multiplies. Do this here as well.
if (isFloat) if (isFloat)
Offset /= 4; Offset /= 4;
AddOptionalDefs(BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, AddOptionalDefs(BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL,
TII.get(Opc), ResultReg) TII.get(Opc), ResultReg)
.addReg(Base).addImm(Offset)); .addReg(Base).addImm(Offset));
@ -830,12 +830,12 @@ bool ARMFastISel::ARMEmitStore(EVT VT, unsigned SrcReg,
} }
ARMSimplifyRegOffset(Base, Offset, VT); ARMSimplifyRegOffset(Base, Offset, VT);
// addrmode5 output depends on the selection dag addressing dividing the // addrmode5 output depends on the selection dag addressing dividing the
// offset by 4 that it then later multiplies. Do this here as well. // offset by 4 that it then later multiplies. Do this here as well.
if (isFloat) if (isFloat)
Offset /= 4; Offset /= 4;
// The thumb addressing mode has operands swapped from the arm addressing // The thumb addressing mode has operands swapped from the arm addressing
// mode, the floating point one only has two operands. // mode, the floating point one only has two operands.
if (isFloat || isThumb) if (isFloat || isThumb)
@ -1242,12 +1242,12 @@ bool ARMFastISel::FastEmitExtend(ISD::NodeType Opc, EVT DstVT, unsigned Src,
EVT SrcVT, unsigned &ResultReg) { EVT SrcVT, unsigned &ResultReg) {
unsigned RR = FastEmit_r(SrcVT.getSimpleVT(), DstVT.getSimpleVT(), Opc, unsigned RR = FastEmit_r(SrcVT.getSimpleVT(), DstVT.getSimpleVT(), Opc,
Src, /*TODO: Kill=*/false); Src, /*TODO: Kill=*/false);
if (RR != 0) { if (RR != 0) {
ResultReg = RR; ResultReg = RR;
return true; return true;
} else } else
return false; return false;
} }
// This is largely taken directly from CCAssignFnForNode - we don't support // This is largely taken directly from CCAssignFnForNode - we don't support
@ -1365,7 +1365,7 @@ bool ARMFastISel::ProcessCallArgs(SmallVectorImpl<Value*> &Args,
} else if (VA.needsCustom()) { } else if (VA.needsCustom()) {
// TODO: We need custom lowering for vector (v2f64) args. // TODO: We need custom lowering for vector (v2f64) args.
if (VA.getLocVT() != MVT::f64) return false; if (VA.getLocVT() != MVT::f64) return false;
CCValAssign &NextVA = ArgLocs[++i]; CCValAssign &NextVA = ArgLocs[++i];
// TODO: Only handle register args for now. // TODO: Only handle register args for now.
@ -1418,7 +1418,7 @@ bool ARMFastISel::FinishCall(EVT RetVT, SmallVectorImpl<unsigned> &UsedRegs,
UsedRegs.push_back(RVLocs[0].getLocReg()); UsedRegs.push_back(RVLocs[0].getLocReg());
UsedRegs.push_back(RVLocs[1].getLocReg()); UsedRegs.push_back(RVLocs[1].getLocReg());
// Finally update the result. // Finally update the result.
UpdateValueMap(I, ResultReg); UpdateValueMap(I, ResultReg);
} else { } else {
@ -1442,10 +1442,10 @@ bool ARMFastISel::FinishCall(EVT RetVT, SmallVectorImpl<unsigned> &UsedRegs,
bool ARMFastISel::SelectRet(const Instruction *I) { bool ARMFastISel::SelectRet(const Instruction *I) {
const ReturnInst *Ret = cast<ReturnInst>(I); const ReturnInst *Ret = cast<ReturnInst>(I);
const Function &F = *I->getParent()->getParent(); const Function &F = *I->getParent()->getParent();
if (!FuncInfo.CanLowerReturn) if (!FuncInfo.CanLowerReturn)
return false; return false;
if (F.isVarArg()) if (F.isVarArg())
return false; return false;
@ -1470,7 +1470,7 @@ bool ARMFastISel::SelectRet(const Instruction *I) {
return false; return false;
CCValAssign &VA = ValLocs[0]; CCValAssign &VA = ValLocs[0];
// Don't bother handling odd stuff for now. // Don't bother handling odd stuff for now.
if (VA.getLocInfo() != CCValAssign::Full) if (VA.getLocInfo() != CCValAssign::Full)
return false; return false;
@ -1481,7 +1481,7 @@ bool ARMFastISel::SelectRet(const Instruction *I) {
// says Full but the types don't match. // says Full but the types don't match.
if (VA.getValVT() != TLI.getValueType(RV->getType())) if (VA.getValVT() != TLI.getValueType(RV->getType()))
return false; return false;
// Make the copy. // Make the copy.
unsigned SrcReg = Reg + VA.getValNo(); unsigned SrcReg = Reg + VA.getValNo();
unsigned DstReg = VA.getLocReg(); unsigned DstReg = VA.getLocReg();
@ -1495,7 +1495,7 @@ bool ARMFastISel::SelectRet(const Instruction *I) {
// Mark the register as live out of the function. // Mark the register as live out of the function.
MRI.addLiveOut(VA.getLocReg()); MRI.addLiveOut(VA.getLocReg());
} }
unsigned RetOpc = isThumb ? ARM::tBX_RET : ARM::BX_RET; unsigned RetOpc = isThumb ? ARM::tBX_RET : ARM::BX_RET;
AddOptionalDefs(BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, AddOptionalDefs(BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL,
TII.get(RetOpc))); TII.get(RetOpc)));