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

[Simon Pilgrim via llvm-commits]

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@@ -5362,7 +5362,7 @@ static bool getTargetShuffleMask(SDValue N, bool AllowSentinelZero,
     assert(N.getOperand(0).getValueType() == VT && "Unexpected value type");
     assert(N.getOperand(1).getValueType() == VT && "Unexpected value type");
     ImmN = N.getConstantOperandVal(N.getNumOperands() - 1);
-    DecodeINSERTPSMask(ImmN, Mask);
+    DecodeINSERTPSMask(ImmN, Mask, false);
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RKSimon wrote:

`/*SrcIsMem=*/false`

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