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Another step to getting multiple result inline asm to work. 

llvm-svn: 50329
This commit is contained in:
Chris Lattner 2008-04-27 23:44:28 +00:00
parent 10748d8edd
commit 122721843b
1 changed files with 14 additions and 6 deletions
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20
llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
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@ -3760,6 +3760,7 @@ void SelectionDAGLowering::visitInlineAsm(CallSite CS) {
bool SawEarlyClobber = false;
unsigned ArgNo = 0; // ArgNo - The argument of the CallInst.
unsigned ResNo = 0; // ResNo - The result number of the next output.
for (unsigned i = 0, e = ConstraintInfos.size(); i != e; ++i) {
ConstraintOperands.push_back(SDISelAsmOperandInfo(ConstraintInfos[i]));
SDISelAsmOperandInfo &OpInfo = ConstraintOperands.back();
@ -3769,14 +3770,21 @@ void SelectionDAGLowering::visitInlineAsm(CallSite CS) {
// Compute the value type for each operand.
switch (OpInfo.Type) {
case InlineAsm::isOutput:
if (!OpInfo.isIndirect) {
// The return value of the call is this value. As such, there is no
// corresponding argument.
assert(CS.getType() != Type::VoidTy && "Bad inline asm!");
OpVT = TLI.getValueType(CS.getType());
} else {
// Indirect outputs just consume an argument.
if (OpInfo.isIndirect) {
OpInfo.CallOperandVal = CS.getArgument(ArgNo++);
break;
}
// The return value of the call is this value. As such, there is no
// corresponding argument.
assert(CS.getType() != Type::VoidTy && "Bad inline asm!");
if (const StructType *STy = dyn_cast<StructType>(CS.getType())) {
OpVT = TLI.getValueType(STy->getElementType(ResNo));
} else {
assert(ResNo == 0 && "Asm only has one result!");
OpVT = TLI.getValueType(CS.getType());
}
++ResNo;
break;
case InlineAsm::isInput:
OpInfo.CallOperandVal = CS.getArgument(ArgNo++);