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FastISel support for i1 constants.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56068 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2008-09-10 21:01:08 +00:00
parent 369e98760b
commit 8211648757
1 changed files with 10 additions and 2 deletions
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12
lib/CodeGen/SelectionDAG/FastISel.cpp
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@ -33,8 +33,16 @@ unsigned FastISel::getRegForValue(Value *V) {
return Reg;
MVT::SimpleValueType VT = TLI.getValueType(V->getType()).getSimpleVT();
if (!TLI.isTypeLegal(VT))
return 0;
// Ignore illegal types.
if (!TLI.isTypeLegal(VT)) {
// Promote MVT::i1 to a legal type though, because it's common and easy.
if (VT == MVT::i1)
VT = TLI.getTypeToTransformTo(VT).getSimpleVT();
else
return 0;
}
if (ConstantInt *CI = dyn_cast<ConstantInt>(V)) {
if (CI->getValue().getActiveBits() > 64)
return TargetMaterializeConstant(CI);