diff options
Diffstat (limited to 'lib/Frontend/CompilerInvocation.cpp')
| -rw-r--r-- | lib/Frontend/CompilerInvocation.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp index 9a4fc774f4..19e26c18bf 100644 --- a/lib/Frontend/CompilerInvocation.cpp +++ b/lib/Frontend/CompilerInvocation.cpp @@ -546,6 +546,9 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK, OPT_fuse_register_sized_bitfield_access); Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing); Opts.StructPathTBAA = !Args.hasArg(OPT_no_struct_path_tbaa); + Opts.FineGrainedBitfieldAccesses = + Args.hasFlag(OPT_ffine_grained_bitfield_accesses, + OPT_fno_fine_grained_bitfield_accesses, false); Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags); Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants); Opts.NoCommon = Args.hasArg(OPT_fno_common); @@ -2763,6 +2766,13 @@ bool CompilerInvocation::CreateFromArgs(CompilerInvocation &Res, if (Arch == llvm::Triple::spir || Arch == llvm::Triple::spir64) { Res.getDiagnosticOpts().Warnings.push_back("spir-compat"); } + + // If sanitizer is enabled, disable OPT_ffine_grained_bitfield_accesses. + if (Res.getCodeGenOpts().FineGrainedBitfieldAccesses && + !Res.getLangOpts()->Sanitize.empty()) { + Res.getCodeGenOpts().FineGrainedBitfieldAccesses = false; + Diags.Report(diag::warn_drv_fine_grained_bitfield_accesses_ignored); + } return Success; } |