================
@@ -320,6 +321,94 @@ bool SemaARM::BuiltinARMSpecialReg(unsigned BuiltinID,
CallExpr *TheCall,
return false;
}
+bool SemaARM::BuiltinARMAtomicStoreHintCall(unsigned BuiltinID,
+ CallExpr *TheCall) {
+ if (SemaRef.checkArgCount(TheCall, 4))
+ return true;
+
+ // Arg 0 should be the pointer type. The pointee type must be a
+ // scalar integral or floating-point type of 8, 16, 32 or 64 bits.
+ ASTContext &Context = getASTContext();
+ Expr *PtrArg = TheCall->getArg(0);
+ auto PtrArgRes = SemaRef.DefaultFunctionArrayLvalueConversion(PtrArg);
+ if (PtrArgRes.isInvalid())
+ return true;
+ auto *PtrTy = PtrArg->getType()->getAs<PointerType>();
+ if (!PtrTy)
+ return Diag(TheCall->getBeginLoc(),
+ diag::err_atomic_builtin_must_be_pointer)
+ << PtrArg->getType() << 0 << PtrArg->getSourceRange();
+ QualType PtrQT = PtrTy->getPointeeType();
+
+ // TODO: Allow MFloat8 types when supported by atomic store
+ if (!PtrQT->isIntegralType(getASTContext()) && !PtrQT->isFloatingType())
+ return Diag(TheCall->getBeginLoc(),
+ diag::err_atomic_op_needs_atomic_int_or_fp)
+ << 0 << PtrQT << PtrArg->getSourceRange();
+
+ unsigned TySize =
+
Context.getTypeSize(Context.getCanonicalType(PtrQT).getUnqualifiedType());
----------------
Lukacma wrote:
I wonder if this is actually necessary. Can we just not query the original type
for size ?
https://github.com/llvm/llvm-project/pull/198316
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