diff options
Diffstat (limited to 'include/llvm/ADT/Triple.h')
| -rw-r--r-- | include/llvm/ADT/Triple.h | 122 |
1 files changed, 98 insertions, 24 deletions
diff --git a/include/llvm/ADT/Triple.h b/include/llvm/ADT/Triple.h index 96c035795849..89736bcc4565 100644 --- a/include/llvm/ADT/Triple.h +++ b/include/llvm/ADT/Triple.h @@ -10,9 +10,17 @@ #ifndef LLVM_ADT_TRIPLE_H #define LLVM_ADT_TRIPLE_H +#include "llvm/ADT/StringRef.h" #include <string> +// Some system headers or GCC predefined macros conflict with identifiers in +// this file. Undefine them here. +#undef mips +#undef sparc + namespace llvm { +class StringRef; +class Twine; /// Triple - Helper class for working with target triples. /// @@ -26,17 +34,44 @@ namespace llvm { /// behavior for particular targets. This class isolates the mapping /// from the components of the target triple to well known IDs. /// -/// See autoconf/config.guess for a glimpse into what they look like -/// in practice. +/// At its core the Triple class is designed to be a wrapper for a triple +/// string; it does not normally change or normalize the triple string, instead +/// it provides additional APIs to parse normalized parts out of the triple. +/// +/// One curiosity this implies is that for some odd triples the results of, +/// e.g., getOSName() can be very different from the result of getOS(). For +/// example, for 'i386-mingw32', getOS() will return MinGW32, but since +/// getOSName() is purely based on the string structure that will return the +/// empty string. +/// +/// Clients should generally avoid using getOSName() and related APIs unless +/// they are familiar with the triple format (this is particularly true when +/// rewriting a triple). +/// +/// See autoconf/config.guess for a glimpse into what they look like in +/// practice. class Triple { public: enum ArchType { UnknownArch, - x86, // i?86 - ppc, // powerpc - ppc64, // powerpc64 - x86_64, // amd64, x86_64 + alpha, // Alpha: alpha + arm, // ARM; arm, armv.*, xscale + bfin, // Blackfin: bfin + cellspu, // CellSPU: spu, cellspu + mips, // MIPS: mips, mipsallegrex + mipsel, // MIPSEL: mipsel, mipsallegrexel, psp + msp430, // MSP430: msp430 + pic16, // PIC16: pic16 + ppc, // PPC: powerpc + ppc64, // PPC64: powerpc64 + sparc, // Sparc: sparc + systemz, // SystemZ: s390x + tce, // TCE (http://tce.cs.tut.fi/): tce + thumb, // Thumb: thumb, thumbv.* + x86, // X86: i[3-9]86 + x86_64, // X86-64: amd64, x86_64 + xcore, // XCore: xcore InvalidArch }; @@ -50,11 +85,17 @@ public: UnknownOS, AuroraUX, + Cygwin, Darwin, DragonFly, FreeBSD, Linux, - OpenBSD + MinGW32, + MinGW64, + NetBSD, + OpenBSD, + Solaris, + Win32 }; private: @@ -76,9 +117,9 @@ public: /// @name Constructors /// @{ - Triple() : Data(""), Arch(InvalidArch) {} - explicit Triple(const char *Str) : Data(Str), Arch(InvalidArch) {} - explicit Triple(const char *ArchStr, const char *VendorStr, const char *OSStr) + Triple() : Data(), Arch(InvalidArch) {} + explicit Triple(StringRef Str) : Data(Str), Arch(InvalidArch) {} + explicit Triple(StringRef ArchStr, StringRef VendorStr, StringRef OSStr) : Data(ArchStr), Arch(InvalidArch) { Data += '-'; Data += VendorStr; @@ -120,29 +161,41 @@ public: const std::string &getTriple() const { return Data; } - // FIXME: Invent a lightweight string representation for these to - // use. - /// getArchName - Get the architecture (first) component of the /// triple. - std::string getArchName() const; + StringRef getArchName() const; /// getVendorName - Get the vendor (second) component of the triple. - std::string getVendorName() const; + StringRef getVendorName() const; /// getOSName - Get the operating system (third) component of the /// triple. - std::string getOSName() const; + StringRef getOSName() const; /// getEnvironmentName - Get the optional environment (fourth) /// component of the triple, or "" if empty. - std::string getEnvironmentName() const; + StringRef getEnvironmentName() const; /// getOSAndEnvironmentName - Get the operating system and optional /// environment components as a single string (separated by a '-' /// if the environment component is present). - std::string getOSAndEnvironmentName() const; + StringRef getOSAndEnvironmentName() const; + + /// getDarwinNumber - Parse the 'darwin number' out of the specific target + /// triple. For example, if we have darwin8.5 return 8,5,0. If any entry is + /// not defined, return 0's. This requires that the triple have an OSType of + /// darwin before it is called. + void getDarwinNumber(unsigned &Maj, unsigned &Min, unsigned &Revision) const; + + /// getDarwinMajorNumber - Return just the major version number, this is + /// specialized because it is a common query. + unsigned getDarwinMajorNumber() const { + unsigned Maj, Min, Rev; + getDarwinNumber(Maj, Min, Rev); + return Maj; + } + /// @} /// @name Mutators /// @{ @@ -160,27 +213,27 @@ public: void setOS(OSType Kind); /// setTriple - Set all components to the new triple \arg Str. - void setTriple(const std::string &Str); + void setTriple(const Twine &Str); /// setArchName - Set the architecture (first) component of the /// triple by name. - void setArchName(const std::string &Str); + void setArchName(const StringRef &Str); /// setVendorName - Set the vendor (second) component of the triple /// by name. - void setVendorName(const std::string &Str); + void setVendorName(const StringRef &Str); /// setOSName - Set the operating system (third) component of the /// triple by name. - void setOSName(const std::string &Str); + void setOSName(const StringRef &Str); /// setEnvironmentName - Set the optional environment (fourth) /// component of the triple by name. - void setEnvironmentName(const std::string &Str); + void setEnvironmentName(const StringRef &Str); /// setOSAndEnvironmentName - Set the operating system and optional /// environment components with a single string. - void setOSAndEnvironmentName(const std::string &Str); + void setOSAndEnvironmentName(const StringRef &Str); /// @} /// @name Static helpers for IDs. @@ -190,6 +243,14 @@ public: /// architecture. static const char *getArchTypeName(ArchType Kind); + /// getArchTypePrefix - Get the "prefix" canonical name for the \arg Kind + /// architecture. This is the prefix used by the architecture specific + /// builtins, and is suitable for passing to \see + /// Intrinsic::getIntrinsicForGCCBuiltin(). + /// + /// \return - The architecture prefix, or 0 if none is defined. + static const char *getArchTypePrefix(ArchType Kind); + /// getVendorTypeName - Get the canonical name for the \arg Kind /// vendor. static const char *getVendorTypeName(VendorType Kind); @@ -198,6 +259,19 @@ public: static const char *getOSTypeName(OSType Kind); /// @} + /// @name Static helpers for converting alternate architecture names. + /// @{ + + /// getArchTypeForLLVMName - The canonical type for the given LLVM + /// architecture name (e.g., "x86"). + static ArchType getArchTypeForLLVMName(const StringRef &Str); + + /// getArchTypeForDarwinArchName - Get the architecture type for a "Darwin" + /// architecture name, for example as accepted by "gcc -arch" (see also + /// arch(3)). + static ArchType getArchTypeForDarwinArchName(const StringRef &Str); + + /// @} }; } // End llvm namespace |