diff options
Diffstat (limited to 'lib/Support/Debug.cpp')
-rw-r--r-- | lib/Support/Debug.cpp | 56 |
1 files changed, 21 insertions, 35 deletions
diff --git a/lib/Support/Debug.cpp b/lib/Support/Debug.cpp index a09cddf..71ff411 100644 --- a/lib/Support/Debug.cpp +++ b/lib/Support/Debug.cpp @@ -27,51 +27,37 @@ #include "llvm/Support/Debug.h" using namespace llvm; +// All Debug.h functionality is a no-op in NDEBUG mode. +#ifndef NDEBUG bool llvm::DebugFlag; // DebugFlag - Exported boolean set by the -debug option -namespace { -#ifndef NDEBUG - // -debug - Command line option to enable the DEBUG statements in the passes. - // This flag may only be enabled in debug builds. - static cl::opt<bool, true> - Debug("debug", cl::desc("Enable debug output"), cl::Hidden, - cl::location(DebugFlag)); +// -debug - Command line option to enable the DEBUG statements in the passes. +// This flag may only be enabled in debug builds. +static cl::opt<bool, true> +Debug("debug", cl::desc("Enable debug output"), cl::Hidden, + cl::location(DebugFlag)); - static std::string CurrentDebugType; - static struct DebugOnlyOpt { - void operator=(const std::string &Val) const { - DebugFlag |= !Val.empty(); - CurrentDebugType = Val; - } - } DebugOnlyOptLoc; +static std::string CurrentDebugType; +static struct DebugOnlyOpt { + void operator=(const std::string &Val) const { + DebugFlag |= !Val.empty(); + CurrentDebugType = Val; + } +} DebugOnlyOptLoc; - static cl::opt<DebugOnlyOpt, true, cl::parser<std::string> > - DebugOnly("debug-only", cl::desc("Enable a specific type of debug output"), - cl::Hidden, cl::value_desc("debug string"), - cl::location(DebugOnlyOptLoc), cl::ValueRequired); -#endif -} +static cl::opt<DebugOnlyOpt, true, cl::parser<std::string> > +DebugOnly("debug-only", cl::desc("Enable a specific type of debug output"), + cl::Hidden, cl::value_desc("debug string"), + cl::location(DebugOnlyOptLoc), cl::ValueRequired); // isCurrentDebugType - Return true if the specified string is the debug type // specified on the command line, or if none was specified on the command line // with the -debug-only=X option. // bool llvm::isCurrentDebugType(const char *DebugType) { -#ifndef NDEBUG return CurrentDebugType.empty() || DebugType == CurrentDebugType; +} #else - return false; +// Avoid "has no symbols" warning. +int Debug_dummy = 0; #endif -} - -// getErrorOutputStream - Returns the error output stream (std::cerr). This -// places the std::c* I/O streams into one .cpp file and relieves the whole -// program from having to have hundreds of static c'tor/d'tors for them. -// -OStream &llvm::getErrorOutputStream(const char *DebugType) { - static OStream cnoout(0); - if (DebugFlag && isCurrentDebugType(DebugType)) - return cerr; - else - return cnoout; -} |