diff options
Diffstat (limited to 'clang/lib/Driver/Tools.cpp')
| -rw-r--r-- | clang/lib/Driver/Tools.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp index 543d95804f6..dfd4ce73cdd 100644 --- a/clang/lib/Driver/Tools.cpp +++ b/clang/lib/Driver/Tools.cpp @@ -5821,6 +5821,24 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, options::OPT_fno_sized_deallocation, false)) CmdArgs.push_back("-fsized-deallocation"); + // -faligned-allocation is on by default in C++17 onwards and otherwise off + // by default. + if (Arg *A = Args.getLastArg(options::OPT_faligned_allocation, + options::OPT_fno_aligned_allocation, + options::OPT_faligned_new_EQ)) { + if (A->getOption().matches(options::OPT_fno_aligned_allocation)) + CmdArgs.push_back("-fno-aligned-allocation"); + else + CmdArgs.push_back("-faligned-allocation"); + } + + // The default new alignment can be specified using a dedicated option or via + // a GCC-compatible option that also turns on aligned allocation. + if (Arg *A = Args.getLastArg(options::OPT_fnew_alignment_EQ, + options::OPT_faligned_new_EQ)) + CmdArgs.push_back( + Args.MakeArgString(Twine("-fnew-alignment=") + A->getValue())); + // -fconstant-cfstrings is default, and may be subject to argument translation // on Darwin. if (!Args.hasFlag(options::OPT_fconstant_cfstrings, |
