diff options
| author | David Chisnall <csdavec@swan.ac.uk> | 2010-09-17 18:29:54 +0000 |
|---|---|---|
| committer | David Chisnall <csdavec@swan.ac.uk> | 2010-09-17 18:29:54 +0000 |
| commit | 7f18e67e1b577a50402e8b43508ab2311a5c45b5 (patch) | |
| tree | 89096de55711e54f99f7bd2c8c4685f2eaa3f683 /lib/Driver/Tools.cpp | |
| parent | dc24572a44575e07a5d8bb6de52641a69f1bab27 (diff) | |
Add a -ftrapv-handler= option which allows a handler to invoke instead of simply aborting when a signed operation overflows. This mirrors the (GCC-incompatible) behaviour from clang 1.0 and 1.1 when -ftrapv was specified, but allows the handler to be defined for each compilation unit.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114192 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Driver/Tools.cpp')
| -rw-r--r-- | lib/Driver/Tools.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp index 1e1af35478..028db8ca02 100644 --- a/lib/Driver/Tools.cpp +++ b/lib/Driver/Tools.cpp @@ -1178,6 +1178,12 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_parseable_fixits); Args.AddLastArg(CmdArgs, options::OPT_ftime_report); Args.AddLastArg(CmdArgs, options::OPT_ftrapv); + + if (Arg *A = Args.getLastArg(options::OPT_ftrapv_handler_EQ)) { + CmdArgs.push_back("-ftrapv-handler"); + CmdArgs.push_back(A->getValue(Args)); + } + Args.AddLastArg(CmdArgs, options::OPT_fwrapv); Args.AddLastArg(CmdArgs, options::OPT_fwritable_strings); Args.AddLastArg(CmdArgs, options::OPT_funroll_loops); |