diff options
Diffstat (limited to 'clang/lib/Sema/SemaExpr.cpp')
| -rw-r--r-- | clang/lib/Sema/SemaExpr.cpp | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/clang/lib/Sema/SemaExpr.cpp b/clang/lib/Sema/SemaExpr.cpp index f8537d3692b..008a2fc4c45 100644 --- a/clang/lib/Sema/SemaExpr.cpp +++ b/clang/lib/Sema/SemaExpr.cpp @@ -11715,9 +11715,8 @@ ExprResult Sema::ActOnBlockStmtExpr(SourceLocation CaretLoc, return Result; } -ExprResult Sema::ActOnVAArg(SourceLocation BuiltinLoc, - Expr *E, ParsedType Ty, - SourceLocation RPLoc) { +ExprResult Sema::ActOnVAArg(SourceLocation BuiltinLoc, Expr *E, ParsedType Ty, + SourceLocation RPLoc) { TypeSourceInfo *TInfo; GetTypeFromParser(Ty, &TInfo); return BuildVAArgExpr(BuiltinLoc, E, TInfo, RPLoc); @@ -11729,6 +11728,15 @@ ExprResult Sema::BuildVAArgExpr(SourceLocation BuiltinLoc, Expr *OrigExpr = E; bool IsMS = false; + // CUDA device code does not support varargs. + if (getLangOpts().CUDA && getLangOpts().CUDAIsDevice) { + if (const FunctionDecl *F = dyn_cast<FunctionDecl>(CurContext)) { + CUDAFunctionTarget T = IdentifyCUDATarget(F); + if (T == CFT_Global || T == CFT_Device || T == CFT_HostDevice) + return ExprError(Diag(E->getLocStart(), diag::err_va_arg_in_device)); + } + } + // It might be a __builtin_ms_va_list. (But don't ever mark a va_arg() // as Microsoft ABI on an actual Microsoft platform, where // __builtin_ms_va_list and __builtin_va_list are the same.) |
