[clang] [Clang][SME2] Fix PSEL builtin predicates (PR #77097)

[Sander de Smalen via cfe-commits]

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@@ -1979,6 +1975,11 @@ let TargetGuard = "sve2p1|sme2" in {
 def SVPEXT_SINGLE : SInst<"svpext_lane_{d}", "P}i", "QcQsQiQl", MergeNone, "aarch64_sve_pext", [IsStreamingOrSVE2p1], [ImmCheck<1, ImmCheck0_3>]>;
 def SVPEXT_X2     : SInst<"svpext_lane_{d}_x2", "2.P}i", "QcQsQiQl", MergeNone, "aarch64_sve_pext_x2", [IsStreamingOrSVE2p1], [ImmCheck<1, ImmCheck0_1>]>;
 
+def SVPSEL_COUNT_ALIAS_B : SInst<"svpsel_lane_c8",  "}}Pm", "Pc", MergeNone, "", [IsStreamingCompatible], []>;
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sdesmalen-arm wrote:

Should this be:
```suggestion
def SVPSEL_COUNT_ALIAS_B : SInst<"svpsel_lane_c8",  "}}Pm", "Pc", MergeNone, "", [SVE2p1OrStreaming], []>;
```
?

https://github.com/llvm/llvm-project/pull/77097