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[X86] Fix a place where we created MOVQ2DQ with a DstVT other than v2i64.

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The type profile and isel pattern have this type declared as
being MVT::v2i64. But isel skips the explicit type check due to
the type profile.
This commit is contained in:
Craig Topper 2020-05-30 17:03:53 -07:00
parent b800414c5f
commit ca3c1fc0ed
1 changed files with 5 additions and 1 deletions
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6
lib/Target/X86/X86ISelLowering.cpp
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@ -30002,10 +30002,14 @@ void X86TargetLowering::ReplaceNodeResults(SDNode *N,
}
if (DstVT.isVector() && SrcVT == MVT::x86mmx) {
// FIXME: Use v4f32 for SSE1?
assert(Subtarget.hasSSE2() && "Requires SSE2");
assert(getTypeAction(*DAG.getContext(), DstVT) == TypeWidenVector &&
"Unexpected type action!");
EVT WideVT = getTypeToTransformTo(*DAG.getContext(), DstVT);
SDValue Res = DAG.getNode(X86ISD::MOVQ2DQ, dl, WideVT, N->getOperand(0));
SDValue Res = DAG.getNode(X86ISD::MOVQ2DQ, dl, MVT::v2i64,
N->getOperand(0));
Res = DAG.getBitcast(WideVT, Res);
Results.push_back(Res);
return;
}