[llvm] [AMDGPU][CodeGen] Fold immediates in src1 operands of V_MAD/MAC/FMA/FMAC. (PR #68002)

[Ivan Kosarev via llvm-commits]

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@@ -3266,18 +3269,22 @@ bool SIInstrInfo::FoldImmediate(MachineInstr &UseMI, MachineInstr &DefMI,
       if (pseudoToMCOpcode(NewOpc) == -1)
         return false;
 
-      // We need to swap operands 0 and 1 since madmk constant is at operand 1.
+      // V_FMAMK_F16_t16 takes VGPR_32_Lo128 operands, so the rewrite
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kosarev wrote:

No, #66202 handles the `V_FMAAK_F16_t16` case above.

https://github.com/llvm/llvm-project/pull/68002