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generalize aggregate handling 

llvm-svn: 36568
This commit is contained in:
Chris Lattner 2007-04-29 18:58:03 +00:00
parent 6058a35624
commit 412d61af43
1 changed files with 21 additions and 5 deletions
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26
llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
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@ -3248,14 +3248,30 @@ void SelectionDAGLowering::visitInlineAsm(CallInst &I) {
if (OpInfo.CallOperandVal) {
OpInfo.CallOperand = getValue(OpInfo.CallOperandVal);
const Type *OpTy = OpInfo.CallOperandVal->getType();
if (!OpInfo.isIndirect) {
// Must be an input.
OpVT = TLI.getValueType(OpTy);
} else {
OpVT = TLI.getValueType(cast<PointerType>(OpTy)->getElementType(),true);
// If this is an indirect operand, the operand is a pointer to the
// accessed type.
if (OpInfo.isIndirect)
OpTy = cast<PointerType>(OpTy)->getElementType();
// If OpTy is not a first-class value, it may be a struct/union that we
// can tile with integers.
if (!OpTy->isFirstClassType() && OpTy->isSized()) {
unsigned BitSize = TD->getTypeSizeInBits(OpTy);
switch (BitSize) {
default: break;
case 1:
case 8:
case 16:
case 32:
case 64:
OpTy = IntegerType::get(BitSize);
break;
}
}
OpVT = TLI.getValueType(OpTy, true);
}
OpInfo.ConstraintVT = OpVT;
// Compute the constraint code to use.