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Lower C_Memory operands.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26346 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-02-24 01:11:24 +00:00
parent 2b7401e28e
commit 87bc3bd121
1 changed files with 47 additions and 28 deletions
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75
lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
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@ -1549,36 +1549,55 @@ void SelectionDAGLowering::visitInlineAsm(CallInst &I) {
// Use the produced MatchedRegs object to
MatchedRegs.getCopyToRegs(InOperandVal, DAG, Chain, Flag);
MatchedRegs.AddInlineAsmOperands(1 /*REGUSE*/, DAG, AsmNodeOperands);
} else {
TargetLowering::ConstraintType CTy = TargetLowering::C_RegisterClass;
if (ConstraintCode.size() == 1) // not a physreg name.
CTy = TLI.getConstraintType(ConstraintCode[0]);
if (CTy == TargetLowering::C_Other) {
if (!TLI.isOperandValidForConstraint(InOperandVal, ConstraintCode[0]))
assert(0 && "MATCH FAIL!");
// Add information to the INLINEASM node to know about this input.
unsigned ResOpType = 3 /*imm*/ | (1 << 3);
AsmNodeOperands.push_back(DAG.getConstant(ResOpType, MVT::i32));
AsmNodeOperands.push_back(InOperandVal);
break;
}
assert(CTy == TargetLowering::C_RegisterClass && "Unknown op type!");
// Copy the input into the appropriate registers.
RegsForValue InRegs =
GetRegistersForValue(ConstraintCode, ConstraintVTs[i],
false, true, OutputRegs, InputRegs);
// FIXME: should be match fail.
assert(!InRegs.Regs.empty() && "Couldn't allocate input reg!");
InRegs.getCopyToRegs(InOperandVal, DAG, Chain, Flag);
InRegs.AddInlineAsmOperands(1/*REGUSE*/, DAG, AsmNodeOperands);
break;
}
TargetLowering::ConstraintType CTy = TargetLowering::C_RegisterClass;
if (ConstraintCode.size() == 1) // not a physreg name.
CTy = TLI.getConstraintType(ConstraintCode[0]);
if (CTy == TargetLowering::C_Other) {
if (!TLI.isOperandValidForConstraint(InOperandVal, ConstraintCode[0]))
assert(0 && "MATCH FAIL!");
// Add information to the INLINEASM node to know about this input.
unsigned ResOpType = 3 /*IMM*/ | (1 << 3);
AsmNodeOperands.push_back(DAG.getConstant(ResOpType, MVT::i32));
AsmNodeOperands.push_back(InOperandVal);
break;
} else if (CTy == TargetLowering::C_Memory) {
// Memory input.
// Check that the operand isn't a float.
if (!MVT::isInteger(InOperandVal.getValueType()))
assert(0 && "MATCH FAIL!");
// Extend/truncate to the right pointer type if needed.
MVT::ValueType PtrType = TLI.getPointerTy();
if (InOperandVal.getValueType() < PtrType)
InOperandVal = DAG.getNode(ISD::ZERO_EXTEND, PtrType, InOperandVal);
else if (InOperandVal.getValueType() > PtrType)
InOperandVal = DAG.getNode(ISD::TRUNCATE, PtrType, InOperandVal);
// Add information to the INLINEASM node to know about this input.
unsigned ResOpType = 4/*MEM*/ | (1 << 3);
AsmNodeOperands.push_back(DAG.getConstant(ResOpType, MVT::i32));
AsmNodeOperands.push_back(InOperandVal);
break;
}
assert(CTy == TargetLowering::C_RegisterClass && "Unknown op type!");
// Copy the input into the appropriate registers.
RegsForValue InRegs =
GetRegistersForValue(ConstraintCode, ConstraintVTs[i],
false, true, OutputRegs, InputRegs);
// FIXME: should be match fail.
assert(!InRegs.Regs.empty() && "Couldn't allocate input reg!");
InRegs.getCopyToRegs(InOperandVal, DAG, Chain, Flag);
InRegs.AddInlineAsmOperands(1/*REGUSE*/, DAG, AsmNodeOperands);
break;
}
case InlineAsm::isClobber: {