diff options
| author | Chris Lattner <sabre@nondot.org> | 2002-05-22 17:06:20 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2002-05-22 17:06:20 +0000 |
| commit | 4435ac009708d78c8894cc9b30185aa6511cd8a6 (patch) | |
| tree | 7b4f46e5fd54a0a0834f04ff06139fe651eaa83e /include/llvm/ADT | |
| parent | 71fb71628ab3f5280a7f4602f52ba365bca31f29 (diff) | |
| download | external_llvm-4435ac009708d78c8894cc9b30185aa6511cd8a6.zip external_llvm-4435ac009708d78c8894cc9b30185aa6511cd8a6.tar.gz external_llvm-4435ac009708d78c8894cc9b30185aa6511cd8a6.tar.bz2 | |
Implement a new command line option, -debug, which is meant to unify all of
the random debugging macros scattered throughout llvm.
The new DEBUG(x) macro should be used instead of special purpose debug macros.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2709 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/ADT')
| -rw-r--r-- | include/llvm/ADT/Statistic.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/llvm/ADT/Statistic.h b/include/llvm/ADT/Statistic.h index 5c46486..453af34 100644 --- a/include/llvm/ADT/Statistic.h +++ b/include/llvm/ADT/Statistic.h @@ -19,6 +19,27 @@ #include <iosfwd> +// DebugFlag - This boolean is set to true if the '-debug' command line option +// is specified. This should probably not be referenced directly, instead, use +// the DEBUG macro below. +// +extern bool DebugFlag; + +// DEBUG macro - This macro should be used by passes to emit debug information. +// In the '-debug' option is specified on the commandline, and if this is a +// debug build, then the code specified as the option to the macro will be +// executed. Otherwise it will not be. Example: +// +// DEBUG(cerr << "Bitset contains: " << Bitset << "\n"); +// +#ifdef NDEBUG +#define DEBUG(X) +#else +#define DEBUG(X) \ + do { if (DebugFlag) { X; } } while (0) +#endif + + // StatisticBase - Nontemplated base class for Statistic<> class... class StatisticBase { const char *Name; |