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[X86] Remove MVT::i1 handling code from LowerTRUNCATE 

Summary: I don't think this is necessary with i1 being illegal now.

Reviewers: RKSimon, zvi, guyblank

Reviewed By: RKSimon

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D38784

llvm-svn: 315469
This commit is contained in:
Craig Topper 2017-10-11 16:05:05 +00:00
parent 12bdcab59c
commit 3dc22bba47
1 changed files with 0 additions and 8 deletions
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8
llvm/lib/Target/X86/X86ISelLowering.cpp
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@ -16064,14 +16064,6 @@ SDValue X86TargetLowering::LowerTRUNCATE(SDValue Op, SelectionDAG &DAG) const {
SDValue In = Op.getOperand(0);
MVT InVT = In.getSimpleValueType();
if (VT == MVT::i1) {
assert((InVT.isInteger() && (InVT.getSizeInBits() <= 64)) &&
"Invalid scalar TRUNCATE operation");
if (InVT.getSizeInBits() >= 32)
return SDValue();
In = DAG.getNode(ISD::ANY_EXTEND, DL, MVT::i32, In);
return DAG.getNode(ISD::TRUNCATE, DL, VT, In);
}
assert(VT.getVectorNumElements() == InVT.getVectorNumElements() &&
"Invalid TRUNCATE operation");