From 3532fdd1db8ff6f353f2a5b215cebe3e0e2ff3c2 Mon Sep 17 00:00:00 2001 From: Argyrios Kyrtzidis Date: Wed, 17 Nov 2010 23:11:54 +0000 Subject: Introduce option -Wargument-larger-than[=N] which warns about function definitions if they take by-value or return by-value any POD that is larger than some threshold (default is 64 bytes). Implements rdar://8548050. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119583 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Frontend/CompilerInvocation.cpp | 2 ++ 1 file changed, 2 insertions(+) (limited to 'lib/Frontend/CompilerInvocation.cpp') diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp index b20520bbee..466dfbd9af 100644 --- a/lib/Frontend/CompilerInvocation.cpp +++ b/lib/Frontend/CompilerInvocation.cpp @@ -1373,6 +1373,8 @@ static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, Opts.MathErrno = Args.hasArg(OPT_fmath_errno); Opts.InstantiationDepth = Args.getLastArgIntValue(OPT_ftemplate_depth, 1024, Diags); + Opts.ArgumentLargerThan = Args.getLastArgIntValue(OPT_Wargument_larger_than, + 0, Diags); Opts.NeXTRuntime = !Args.hasArg(OPT_fgnu_runtime); Opts.ObjCConstantStringClass = Args.getLastArgValue(OPT_fconstant_string_class); -- cgit v1.2.3-18-g5258