X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=blobdiff_plain;f=include%2Fllvm%2FADT%2FTriple.h;h=edbbdc51f69d3a4b1fec71a4c3dbad047955d090;hp=f8e0ec887866a20cbb0bad3ac0003046c76a482f;hb=49683f3c961379fbc088871a5d6304950f1f1cbc;hpb=e1fe09f6826f158def69cff89f3ce4e67e199bb5 diff --git a/include/llvm/ADT/Triple.h b/include/llvm/ADT/Triple.h index f8e0ec88786..edbbdc51f69 100644 --- a/include/llvm/ADT/Triple.h +++ b/include/llvm/ADT/Triple.h @@ -10,8 +10,7 @@ #ifndef LLVM_ADT_TRIPLE_H #define LLVM_ADT_TRIPLE_H -#include "llvm/ADT/StringRef.h" -#include +#include "llvm/ADT/Twine.h" // Some system headers or GCC predefined macros conflict with identifiers in // this file. Undefine them here. @@ -19,8 +18,6 @@ #undef sparc namespace llvm { -class StringRef; -class Twine; /// Triple - Helper class for working with target triples. /// @@ -46,34 +43,40 @@ public: enum ArchType { UnknownArch, - alpha, // Alpha: alpha arm, // ARM; arm, armv.*, xscale - bfin, // Blackfin: bfin cellspu, // CellSPU: spu, cellspu + hexagon, // Hexagon: hexagon mips, // MIPS: mips, mipsallegrex - mipsel, // MIPSEL: mipsel, mipsallegrexel, psp + mipsel, // MIPSEL: mipsel, mipsallegrexel + mips64, // MIPS64: mips64 + mips64el,// MIPS64EL: mips64el msp430, // MSP430: msp430 ppc, // PPC: powerpc ppc64, // PPC64: powerpc64, ppu + r600, // R600: AMD GPUs HD2XXX - HD6XXX sparc, // Sparc: sparc sparcv9, // Sparcv9: Sparcv9 - 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 mblaze, // MBlaze: mblaze - ptx, // PTX: ptx - - InvalidArch + ptx32, // PTX: ptx (32-bit) + ptx64, // PTX: ptx (64-bit) + nvptx, // NVPTX: 32-bit + nvptx64, // NVPTX: 64-bit + le32, // le32: generic little-endian 32-bit CPU (PNaCl / Emscripten) + amdil // amdil: amd IL }; enum VendorType { UnknownVendor, Apple, PC, - SCEI + SCEI, + BGP, + BGQ }; enum OSType { UnknownOS, @@ -84,73 +87,59 @@ public: DragonFly, FreeBSD, IOS, + KFreeBSD, Linux, Lv2, // PS3 + MacOSX, MinGW32, // i*86-pc-mingw32, *-w64-mingw32 NetBSD, - OSX, OpenBSD, - Psp, Solaris, Win32, Haiku, - Minix + Minix, + RTEMS, + NativeClient, + CNK // BG/P Compute-Node Kernel }; enum EnvironmentType { UnknownEnvironment, GNU, GNUEABI, + GNUEABIHF, EABI, - MachO + MachO, + ANDROIDEABI }; private: std::string Data; - /// The parsed arch type (or InvalidArch if uninitialized). - mutable ArchType Arch; + /// The parsed arch type. + ArchType Arch; /// The parsed vendor type. - mutable VendorType Vendor; + VendorType Vendor; /// The parsed OS type. - mutable OSType OS; + OSType OS; /// The parsed Environment type. - mutable EnvironmentType Environment; - - bool isInitialized() const { return Arch != InvalidArch; } - static ArchType ParseArch(StringRef ArchName); - static VendorType ParseVendor(StringRef VendorName); - static OSType ParseOS(StringRef OSName); - static EnvironmentType ParseEnvironment(StringRef EnvironmentName); - void Parse() const; + EnvironmentType Environment; public: /// @name Constructors /// @{ - 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; - Data += '-'; - Data += OSStr; - } + /// \brief Default constructor is the same as an empty string and leaves all + /// triple fields unknown. + Triple() : Data(), Arch(), Vendor(), OS(), Environment() {} - explicit Triple(StringRef ArchStr, StringRef VendorStr, StringRef OSStr, - StringRef EnvironmentStr) - : Data(ArchStr), Arch(InvalidArch) { - Data += '-'; - Data += VendorStr; - Data += '-'; - Data += OSStr; - Data += '-'; - Data += EnvironmentStr; - } + explicit Triple(const Twine &Str); + Triple(const Twine &ArchStr, const Twine &VendorStr, const Twine &OSStr); + Triple(const Twine &ArchStr, const Twine &VendorStr, const Twine &OSStr, + const Twine &EnvironmentStr); /// @} /// @name Normalization @@ -167,22 +156,13 @@ public: /// @{ /// getArch - Get the parsed architecture type of this triple. - ArchType getArch() const { - if (!isInitialized()) Parse(); - return Arch; - } + ArchType getArch() const { return Arch; } /// getVendor - Get the parsed vendor type of this triple. - VendorType getVendor() const { - if (!isInitialized()) Parse(); - return Vendor; - } + VendorType getVendor() const { return Vendor; } /// getOS - Get the parsed operating system type of this triple. - OSType getOS() const { - if (!isInitialized()) Parse(); - return OS; - } + OSType getOS() const { return OS; } /// hasEnvironment - Does this triple have the optional environment /// (fourth) component? @@ -191,11 +171,31 @@ public: } /// getEnvironment - Get the parsed environment type of this triple. - EnvironmentType getEnvironment() const { - if (!isInitialized()) Parse(); - return Environment; + EnvironmentType getEnvironment() const { return Environment; } + + /// getOSVersion - Parse the version number from the OS name component of the + /// triple, if present. + /// + /// For example, "fooos1.2.3" would return (1, 2, 3). + /// + /// If an entry is not defined, it will be returned as 0. + void getOSVersion(unsigned &Major, unsigned &Minor, unsigned &Micro) const; + + /// getOSMajorVersion - Return just the major version number, this is + /// specialized because it is a common query. + unsigned getOSMajorVersion() const { + unsigned Maj, Min, Micro; + getOSVersion(Maj, Min, Micro); + return Maj; } + /// getMacOSXVersion - Parse the version number as with getOSVersion and then + /// translate generic "darwin" versions to the corresponding OS X versions. + /// This may also be called with IOS triples but the OS X version number is + /// just set to a constant 10.4.0 in that case. Returns true if successful. + bool getMacOSXVersion(unsigned &Major, unsigned &Minor, + unsigned &Micro) const; + /// @} /// @name Direct Component Access /// @{ @@ -224,30 +224,28 @@ public: /// if the environment component is present). StringRef getOSAndEnvironmentName() const; - /// getOSNumber - Parse the version number from the OS name component of the - /// triple, if present. + /// @} + /// @name Convenience Predicates + /// @{ + + /// \brief Test whether the architecture is 64-bit /// - /// For example, "fooos1.2.3" would return (1, 2, 3). + /// Note that this tests for 64-bit pointer width, and nothing else. Note + /// that we intentionally expose only three predicates, 64-bit, 32-bit, and + /// 16-bit. The inner details of pointer width for particular architectures + /// is not summed up in the triple, and so only a coarse grained predicate + /// system is provided. + bool isArch64Bit() const; + + /// \brief Test whether the architecture is 32-bit /// - /// If an entry is not defined, it will be returned as 0. - void getOSVersion(unsigned &Major, unsigned &Minor, unsigned &Micro) const; + /// Note that this tests for 32-bit pointer width, and nothing else. + bool isArch32Bit() const; - /// getOSMajorVersion - Return just the major version number, this is - /// specialized because it is a common query. - unsigned getOSMajorVersion() const { - unsigned Maj, Min, Micro; - getDarwinNumber(Maj, Min, Micro); - return Maj; - } - - void getDarwinNumber(unsigned &Major, unsigned &Minor, - unsigned &Micro) const { - return getOSVersion(Major, Minor, Micro); - } - - unsigned getDarwinMajorNumber() const { - return getOSMajorVersion(); - } + /// \brief Test whether the architecture is 16-bit + /// + /// Note that this tests for 16-bit pointer width, and nothing else. + bool isArch16Bit() const; /// isOSVersionLT - Helper function for doing comparisons against version /// numbers included in the target triple. @@ -266,39 +264,59 @@ public: return false; } - /// isOSX - Is this an OS X triple. For legacy reasons, we support both + /// isMacOSXVersionLT - Comparison function for checking OS X version + /// compatibility, which handles supporting skewed version numbering schemes + /// used by the "darwin" triples. + unsigned isMacOSXVersionLT(unsigned Major, unsigned Minor = 0, + unsigned Micro = 0) const { + assert(isMacOSX() && "Not an OS X triple!"); + + // If this is OS X, expect a sane version number. + if (getOS() == Triple::MacOSX) + return isOSVersionLT(Major, Minor, Micro); + + // Otherwise, compare to the "Darwin" number. + assert(Major == 10 && "Unexpected major version"); + return isOSVersionLT(Minor + 4, Micro, 0); + } + + /// isMacOSX - Is this a Mac OS X triple. For legacy reasons, we support both /// "darwin" and "osx" as OS X triples. - bool isOSX() const { - return getOS() == Triple::Darwin || getOS() == Triple::OSX; + bool isMacOSX() const { + return getOS() == Triple::Darwin || getOS() == Triple::MacOSX; } /// isOSDarwin - Is this a "Darwin" OS (OS X or iOS). bool isOSDarwin() const { - return isOSX() ||getOS() == Triple::IOS; + return isMacOSX() || getOS() == Triple::IOS; + } + + /// \brief Tests for either Cygwin or MinGW OS + bool isOSCygMing() const { + return getOS() == Triple::Cygwin || getOS() == Triple::MinGW32; } /// isOSWindows - Is this a "Windows" OS. bool isOSWindows() const { - return getOS() == Triple::Win32 || getOS() == Triple::Cygwin || - getOS() == Triple::MinGW32; + return getOS() == Triple::Win32 || isOSCygMing(); } - /// isOSXVersionLT - Comparison function for checking OS X version - /// compatibility, which handles supporting skewed version numbering schemes - /// used by the "darwin" triples. - unsigned isOSXVersionLT(unsigned Major, unsigned Minor = 0, - unsigned Micro = 0) const { - assert(isOSX() && "Not an OS X triple!"); + /// \brief Tests whether the OS uses the ELF binary format. + bool isOSBinFormatELF() const { + return !isOSDarwin() && !isOSWindows(); + } - // If this is OS X, expect a sane version number. - if (getOS() == Triple::OSX) - return isOSVersionLT(Major, Minor, Micro); + /// \brief Tests whether the OS uses the COFF binary format. + bool isOSBinFormatCOFF() const { + return isOSWindows(); + } - // Otherwise, compare to the "Darwin" number. - assert(Major == 10 && "Unexpected major version"); - return isOSVersionLT(Minor + 4, Micro, 0); + /// \brief Tests whether the environment is MachO. + // FIXME: Should this be an OSBinFormat predicate? + bool isEnvironmentMachO() const { + return getEnvironment() == Triple::MachO || isOSDarwin(); } - + /// @} /// @name Mutators /// @{ @@ -346,6 +364,26 @@ public: /// the target assembler. const char *getArchNameForAssembler(); + /// @} + /// @name Helpers to build variants of a particular triple. + /// @{ + + /// \brief Form a triple with a 32-bit variant of the current architecture. + /// + /// This can be used to move across "families" of architectures where useful. + /// + /// \returns A new triple with a 32-bit architecture or an unknown + /// architecture if no such variant can be found. + llvm::Triple get32BitArchVariant() const; + + /// \brief Form a triple with a 64-bit variant of the current architecture. + /// + /// This can be used to move across "families" of architectures where useful. + /// + /// \returns A new triple with a 64-bit architecture or an unknown + /// architecture if no such variant can be found. + llvm::Triple get64BitArchVariant() const; + /// @} /// @name Static helpers for IDs. /// @{