[llvm] [AMDGPU][Fake16] Support OPSEL for `v_cvt_f16_f32` and `v_cvt_f32_f16` (PR #139185)

[Shilei Tian via llvm-commits]

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@@ -301,15 +306,16 @@ let FPDPRounding = 1, isReMaterializable = 0 in {
     defm V_CVT_F16_F32 : VOP1Inst <"v_cvt_f16_f32", VOP_F16_F32, any_fpround>;
   let OtherPredicates = [UseRealTrue16Insts] in
     defm V_CVT_F16_F32_t16 : VOP1Inst <"v_cvt_f16_f32_t16", VOPProfile_True16<VOP_F16_F32>, any_fpround>;
-  let OtherPredicates = [UseFakeTrue16Insts] in
-    defm V_CVT_F16_F32_fake16 : VOP1Inst <"v_cvt_f16_f32_fake16", VOPProfile_Fake16<VOP_F16_F32>, any_fpround>;
+  let OtherPredicates = [UseFakeTrue16Insts] in defm V_CVT_F16_F32_fake16
+      : VOP1Inst<"v_cvt_f16_f32_fake16", VOP_F16_F32_Fake16_OP_SEL,
+                 any_fpround>;
 } // End FPDPRounding = 1, isReMaterializable = 0
 let OtherPredicates = [NotHasTrue16BitInsts] in
   defm V_CVT_F32_F16 : VOP1Inst <"v_cvt_f32_f16", VOP_F32_F16, any_fpextend>;
 let OtherPredicates = [UseRealTrue16Insts] in
   defm V_CVT_F32_F16_t16 : VOP1Inst <"v_cvt_f32_f16_t16", VOPProfile_True16<VOP_F32_F16>, any_fpextend>;
-let OtherPredicates = [UseFakeTrue16Insts] in
-  defm V_CVT_F32_F16_fake16 : VOP1Inst <"v_cvt_f32_f16_fake16", VOPProfile_Fake16<VOP_F32_F16>, any_fpextend>;
+let OtherPredicates = [UseFakeTrue16Insts] in defm V_CVT_F32_F16_fake16
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shiltian wrote:

interesting, since when `clang-format` can format tablegen file?

https://github.com/llvm/llvm-project/pull/139185