================
@@ -105,11 +105,67 @@ bool SemaPPC::CheckPPCBuiltinFunctionCall(const
TargetInfo &TI,
switch (BuiltinID) {
default:
return false;
- case PPC::BI__builtin_ppc_bcdsetsign:
case PPC::BI__builtin_ppc_national2packed:
case PPC::BI__builtin_ppc_packed2zoned:
case PPC::BI__builtin_ppc_zoned2packed:
return SemaRef.BuiltinConstantArgRange(TheCall, 1, 0, 1);
+ case PPC::BI__builtin_ppc_bcdsetsign: {
+
+ ASTContext &Context = SemaRef.Context;
+ QualType Arg0Type = TheCall->getArg(0)->getType();
+ QualType Arg1Type = TheCall->getArg(1)->getType();
+
+ QualType VecType = Context.getVectorType(Context.UnsignedCharTy, 16,
+ VectorKind::AltiVecVector);
+
+ // Arg0 must be <16 x unsigned char>
+ if (!Context.hasSameType(Arg0Type, VecType))
+ return SemaRef.Diag(TheCall->getArg(0)->getBeginLoc(),
+ diag::err_ppc_bcd_invalid_vector_type)
+ << 0 << VecType << Arg0Type;
+
+ // Arg1 must be integer type
+ if (!Arg1Type->isIntegerType())
+ return SemaRef.Diag(TheCall->getArg(1)->getBeginLoc(),
+ diag::err_ppc_bcd_invalid_integer_type)
+ << 1 << "integer type" << Arg1Type;
+
+ // Restrict Arg1 constant range (0–1)
+ return SemaRef.BuiltinConstantArgRange(TheCall, 1, 0, 1);
----------------
lei137 wrote:
consider using existing function: `SemaRef.BuiltinConstantArgRange()`
https://github.com/llvm/llvm-project/pull/154715
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