[llvm] [AMDGPU] Prevent folding of FMAC into FMAAK with two literals (PR #217438)

[Jay Foad via llvm-commits]

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@@ -4001,6 +4001,10 @@ bool SIInstrInfo::foldImmediate(MachineInstr &UseMI, MachineInstr &DefMI,
       if (pseudoToMCOpcode(NewOpc) == -1)
         return false;
 
+      if ((Src0->isImm() && !isInlineConstant(*Src0)) ||
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jayfoad wrote:

isOperandLegal in SIInstrInfo

https://github.com/llvm/llvm-project/pull/217438