================
@@ -2245,6 +2245,36 @@ bool SemaHLSL::CheckBuiltinFunctionCall(unsigned
BuiltinID, CallExpr *TheCall) {
break;
}
+ case Builtin::BI__builtin_hlsl_and: {
+ if (SemaRef.checkArgCount(TheCall, 2))
+ return true;
+ if (CheckVectorElementCallArgs(&SemaRef, TheCall))
+ return true;
+
+ // CheckVectorElementCallArgs(...) guarantees both args are the same type.
+ assert(TheCall->getArg(0)->getType() == TheCall->getArg(1)->getType() &&
+ "Both args must be of the same type");
+
+ // check that the arguments are bools or, if vectors,
+ // vectors of bools
+ QualType ArgTy = TheCall->getArg(0)->getType();
+ if (const auto *VecTy = ArgTy->getAs<VectorType>()) {
+ ArgTy = VecTy->getElementType();
+ }
+ if (!getASTContext().hasSameUnqualifiedType(ArgTy,
----------------
llvm-beanz wrote:
Why is "doing what `select` does" an ad-hoc fix?
My suggestion to @Icohedron
[here](https://github.com/llvm/llvm-project/pull/127098#discussion_r1957372179),
is literally to just do what we do to validate the first argument to
`__builtin_hlsl_select`, which has the exact same requirement, and produces a
meaningful and accurate diagnostic.
https://github.com/llvm/llvm-project/pull/127098
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