[clang] [llvm] [HLSL] Implement WaveActiveAnyTrue intrinsic (PR #115902)

[Finn Plummer via cfe-commits]

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@@ -19120,6 +19120,15 @@ case Builtin::BI__builtin_hlsl_elementwise_isinf: {
         /*ReturnType=*/Op0->getType(), CGM.getHLSLRuntime().getStepIntrinsic(),
         ArrayRef<Value *>{Op0, Op1}, nullptr, "hlsl.step");
   }
+  case Builtin::BI__builtin_hlsl_wave_active_any_true: {
+    Value *Op = EmitScalarExpr(E->getArg(0));
+    llvm::Type *Ty = Op->getType();
+    assert(Ty->isIntegerTy(1) && "wave_active_any_true operand must be a bool");
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inbelic wrote:

```suggestion
    assert(Ty->isIntegerTy(1) && "Intrinsic WaveActiveAnyTrue operand must be a bool");
```

https://github.com/llvm/llvm-project/pull/115902