[mlir] [clang] [llvm] [X86] Stop custom-widening v2f32 = fpext v2bf16 (PR #80106)

[Phoebe Wang via cfe-commits]

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@@ -32815,10 +32815,10 @@ void X86TargetLowering::ReplaceNodeResults(SDNode *N,
     // No other ValueType for FP_EXTEND should reach this point.
     assert(N->getValueType(0) == MVT::v2f32 &&
            "Do not know how to legalize this Node");
-    if (!Subtarget.hasFP16() || !Subtarget.hasVLX())
-      return;
----------------
phoebewang wrote:

I mean these lines should not be changed.

https://github.com/llvm/llvm-project/pull/80106
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