diff options
Diffstat (limited to 'include/llvm/IR/Metadata.h')
| -rw-r--r-- | include/llvm/IR/Metadata.h | 42 |
1 files changed, 37 insertions, 5 deletions
diff --git a/include/llvm/IR/Metadata.h b/include/llvm/IR/Metadata.h index ff8f837..a31bdbf 100644 --- a/include/llvm/IR/Metadata.h +++ b/include/llvm/IR/Metadata.h @@ -32,9 +32,8 @@ class Module; template<typename ValueSubClass, typename ItemParentClass> class SymbolTableListTraits; - enum LLVMConstants : uint32_t { - DEBUG_METADATA_VERSION = 2 // Current debug info version number. + DEBUG_METADATA_VERSION = 3 // Current debug info version number. }; /// \brief Root of the metadata hierarchy. @@ -104,15 +103,48 @@ public: unsigned getMetadataID() const { return SubclassID; } /// \brief User-friendly dump. + /// + /// If \c M is provided, metadata nodes will be numbered canonically; + /// otherwise, pointer addresses are substituted. + /// + /// Note: this uses an explicit overload instead of default arguments so that + /// the nullptr version is easy to call from a debugger. + /// + /// @{ void dump() const; - void print(raw_ostream &OS) const; - void printAsOperand(raw_ostream &OS, bool PrintType = true, - const Module *M = nullptr) const; + void dump(const Module *M) const; + /// @} + + /// \brief Print. + /// + /// Prints definition of \c this. + /// + /// If \c M is provided, metadata nodes will be numbered canonically; + /// otherwise, pointer addresses are substituted. + void print(raw_ostream &OS, const Module *M = nullptr) const; + + /// \brief Print as operand. + /// + /// Prints reference of \c this. + /// + /// If \c M is provided, metadata nodes will be numbered canonically; + /// otherwise, pointer addresses are substituted. + void printAsOperand(raw_ostream &OS, const Module *M = nullptr) const; }; #define HANDLE_METADATA(CLASS) class CLASS; #include "llvm/IR/Metadata.def" +// Provide specializations of isa so that we don't need definitions of +// subclasses to see if the metadata is a subclass. +#define HANDLE_METADATA_LEAF(CLASS) \ + template <> struct isa_impl<CLASS, Metadata> { \ + static inline bool doit(const Metadata &MD) { \ + return MD.getMetadataID() == Metadata::CLASS##Kind; \ + } \ + }; +#include "llvm/IR/Metadata.def" + inline raw_ostream &operator<<(raw_ostream &OS, const Metadata &MD) { MD.print(OS); return OS; |