X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FADT%2FTriple.h;h=edbbdc51f69d3a4b1fec71a4c3dbad047955d090;hb=49683f3c961379fbc088871a5d6304950f1f1cbc;hp=5c8244c638b28be0963ca84c8a1371643402ff4c;hpb=3c2d4bf97fa96fe171883cd80e4ea93fc43563e6;p=oota-llvm.git diff --git a/include/llvm/ADT/Triple.h b/include/llvm/ADT/Triple.h index 5c8244c638b..edbbdc51f69 100644 --- a/include/llvm/ADT/Triple.h +++ b/include/llvm/ADT/Triple.h @@ -10,16 +10,18 @@ #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. +#undef mips +#undef sparc namespace llvm { -class StringRef; -class Twine; /// Triple - Helper class for working with target triples. /// -/// Target triples are strings in the format of: +/// Target triples are strings in the canonical form: /// ARCHITECTURE-VENDOR-OPERATING_SYSTEM /// or /// ARCHITECTURE-VENDOR-OPERATING_SYSTEM-ENVIRONMENT @@ -29,36 +31,52 @@ class Twine; /// 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; the constructor does not change or normalize the triple string. +/// Clients that need to handle the non-canonical triples that users often +/// specify should use the normalize method. +/// +/// See autoconf/config.guess for a glimpse into what triples look like in +/// practice. class Triple { public: enum ArchType { UnknownArch, - - alpha, // Alpha: alpha - arm, // ARM; arm, armv.* - bfin, // Blackfin: bfin + + arm, // ARM; arm, armv.*, xscale cellspu, // CellSPU: spu, cellspu + hexagon, // Hexagon: hexagon mips, // MIPS: mips, mipsallegrex - mipsel, // MIPSEL: mipsel, mipsallegrexel, psp - msp430, // MPS430: msp430 + mipsel, // MIPSEL: mipsel, mipsallegrexel + mips64, // MIPS64: mips64 + mips64el,// MIPS64EL: mips64el + msp430, // MSP430: msp430 ppc, // PPC: powerpc - ppc64, // PPC64: powerpc64 + ppc64, // PPC64: powerpc64, ppu + r600, // R600: AMD GPUs HD2XXX - HD6XXX sparc, // Sparc: sparc - systemz, // SystemZ: s390x + sparcv9, // Sparcv9: Sparcv9 + 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 + mblaze, // MBlaze: mblaze + 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 + Apple, + PC, + SCEI, + BGP, + BGQ }; enum OSType { UnknownOS, @@ -68,63 +86,83 @@ public: Darwin, DragonFly, FreeBSD, + IOS, + KFreeBSD, Linux, - MinGW32, + Lv2, // PS3 + MacOSX, + MinGW32, // i*86-pc-mingw32, *-w64-mingw32 NetBSD, OpenBSD, - Win32 + Solaris, + Win32, + Haiku, + Minix, + RTEMS, + NativeClient, + CNK // BG/P Compute-Node Kernel }; - + enum EnvironmentType { + UnknownEnvironment, + + GNU, + GNUEABI, + GNUEABIHF, + EABI, + 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; - bool isInitialized() const { return Arch != InvalidArch; } - void Parse() const; + /// The parsed Environment type. + EnvironmentType Environment; public: /// @name Constructors /// @{ - - Triple() : Data(""), Arch(InvalidArch) {} - explicit Triple(const StringRef &Str) : Data(Str), Arch(InvalidArch) {} - explicit Triple(const char *ArchStr, const char *VendorStr, const char *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(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 + /// @{ + + /// normalize - Turn an arbitrary machine specification into the canonical + /// triple form (or something sensible that the Triple class understands if + /// nothing better can reasonably be done). In particular, it handles the + /// common case in which otherwise valid components are in the wrong order. + static std::string normalize(StringRef Str); /// @} /// @name Typed Component Access /// @{ - + /// 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? @@ -132,10 +170,38 @@ public: return getEnvironmentName() != ""; } + /// getEnvironment - Get the parsed environment type of this triple. + 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 /// @{ + const std::string &str() const { return Data; } + const std::string &getTriple() const { return Data; } /// getArchName - Get the architecture (first) component of the @@ -158,6 +224,99 @@ public: /// if the environment component is present). StringRef getOSAndEnvironmentName() const; + /// @} + /// @name Convenience Predicates + /// @{ + + /// \brief Test whether the architecture is 64-bit + /// + /// 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 + /// + /// Note that this tests for 32-bit pointer width, and nothing else. + bool isArch32Bit() const; + + /// \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. + bool isOSVersionLT(unsigned Major, unsigned Minor = 0, + unsigned Micro = 0) const { + unsigned LHS[3]; + getOSVersion(LHS[0], LHS[1], LHS[2]); + + if (LHS[0] != Major) + return LHS[0] < Major; + if (LHS[1] != Minor) + return LHS[1] < Minor; + if (LHS[2] != Micro) + return LHS[1] < Micro; + + return false; + } + + /// 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 isMacOSX() const { + return getOS() == Triple::Darwin || getOS() == Triple::MacOSX; + } + + /// isOSDarwin - Is this a "Darwin" OS (OS X or iOS). + bool isOSDarwin() const { + 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 || isOSCygMing(); + } + + /// \brief Tests whether the OS uses the ELF binary format. + bool isOSBinFormatELF() const { + return !isOSDarwin() && !isOSWindows(); + } + + /// \brief Tests whether the OS uses the COFF binary format. + bool isOSBinFormatCOFF() const { + return isOSWindows(); + } + + /// \brief Tests whether the environment is MachO. + // FIXME: Should this be an OSBinFormat predicate? + bool isEnvironmentMachO() const { + return getEnvironment() == Triple::MachO || isOSDarwin(); + } + /// @} /// @name Mutators /// @{ @@ -174,28 +333,56 @@ public: /// to a known type. void setOS(OSType Kind); + /// setEnvironment - Set the environment (fourth) component of the triple + /// to a known type. + void setEnvironment(EnvironmentType Kind); + /// setTriple - Set all components to the new triple \arg Str. void setTriple(const Twine &Str); /// setArchName - Set the architecture (first) component of the /// triple by name. - void setArchName(const StringRef &Str); + void setArchName(StringRef Str); /// setVendorName - Set the vendor (second) component of the triple /// by name. - void setVendorName(const StringRef &Str); + void setVendorName(StringRef Str); /// setOSName - Set the operating system (third) component of the /// triple by name. - void setOSName(const StringRef &Str); + void setOSName(StringRef Str); /// setEnvironmentName - Set the optional environment (fourth) /// component of the triple by name. - void setEnvironmentName(const StringRef &Str); + void setEnvironmentName(StringRef Str); /// setOSAndEnvironmentName - Set the operating system and optional /// environment components with a single string. - void setOSAndEnvironmentName(const StringRef &Str); + void setOSAndEnvironmentName(StringRef Str); + + /// getArchNameForAssembler - Get an architecture name that is understood by + /// 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. @@ -205,16 +392,38 @@ 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); - /// getOSTypeName - Get the canonical name for the \arg Kind vendor. + /// getOSTypeName - Get the canonical name for the \arg Kind operating + /// system. static const char *getOSTypeName(OSType Kind); + /// getEnvironmentTypeName - Get the canonical name for the \arg Kind + /// environment. + static const char *getEnvironmentTypeName(EnvironmentType 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); + static ArchType getArchTypeForLLVMName(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(StringRef Str); /// @} };