[llvm] [X86] Fix decoding for vinsertps immediate operand (PR #117009)

[Simon Pilgrim via llvm-commits]

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@@ -1122,15 +1122,21 @@ bool llvm::EmitAnyX86InstComments(const MCInst *MI, raw_ostream &OS,
   case X86::VINSERTPSrri:
   case X86::VINSERTPSZrri:
     Src2Name = getRegName(MI->getOperand(2).getReg());
-    [[fallthrough]];
+    DestName = getRegName(MI->getOperand(0).getReg());
+    Src1Name = getRegName(MI->getOperand(1).getReg());
+    if (MI->getOperand(NumOperands - 1).isImm())
+      DecodeINSERTPSMask(MI->getOperand(NumOperands - 1).getImm(),
+                         ShuffleMask, false);
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RKSimon wrote:

`/*SrcIsMem=*/false`

https://github.com/llvm/llvm-project/pull/117009