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refactor some code into a helper method, no functionality change.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57690 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2008-10-17 17:05:25 +00:00
parent 6bdcda3d3e
commit 81249c95ce
1 changed files with 40 additions and 25 deletions
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65
lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
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@ -4452,6 +4452,42 @@ struct VISIBILITY_HIDDEN SDISelAsmOperandInfo :
MarkRegAndAliases(AssignedRegs.Regs[i], InputRegs, TRI);
}
}
/// getCallOperandValMVT - Return the MVT of the Value* that this operand
/// corresponds to. If there is no Value* for this operand, it returns
/// MVT::Other.
MVT getCallOperandValMVT(const TargetLowering &TLI,
const TargetData *TD) const {
if (CallOperandVal == 0) return MVT::Other;
if (isa<BasicBlock>(CallOperandVal))
return TLI.getPointerTy();
const llvm::Type *OpTy = CallOperandVal->getType();
// If this is an indirect operand, the operand is a pointer to the
// accessed type.
if (isIndirect)
OpTy = cast<PointerType>(OpTy)->getElementType();
// If OpTy is not a single value, it may be a struct/union that we
// can tile with integers.
if (!OpTy->isSingleValueType() && 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;
}
}
return TLI.getValueType(OpTy, true);
}
private:
/// MarkRegAndAliases - Mark the specified register and all aliases in the
@ -4707,34 +4743,13 @@ void SelectionDAGLowering::visitInlineAsm(CallSite CS) {
// If this is an input or an indirect output, process the call argument.
// BasicBlocks are labels, currently appearing only in asm's.
if (OpInfo.CallOperandVal) {
if (BasicBlock *BB = dyn_cast<BasicBlock>(OpInfo.CallOperandVal))
if (BasicBlock *BB = dyn_cast<BasicBlock>(OpInfo.CallOperandVal)) {
OpInfo.CallOperand = DAG.getBasicBlock(FuncInfo.MBBMap[BB]);
else {
} else {
OpInfo.CallOperand = getValue(OpInfo.CallOperandVal);
const Type *OpTy = OpInfo.CallOperandVal->getType();
// 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 single value, it may be a struct/union that we
// can tile with integers.
if (!OpTy->isSingleValueType() && 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);
}
OpVT = OpInfo.getCallOperandValMVT(TLI, TD);
}
OpInfo.ConstraintVT = OpVT;