X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FADT%2FTriple.h;h=314ee4e3589bd593b77a6d0daf960560d0833f27;hb=d13b9da1b6575329cebcaadb31fcf8f200cbd2c6;hp=0b80bb5a33af1725769eb119eace1e3d65840cbf;hpb=f7a3c50183726c5bbb02bb08d97e65f1066a249f;p=oota-llvm.git diff --git a/include/llvm/ADT/Triple.h b/include/llvm/ADT/Triple.h index 0b80bb5a33a..314ee4e3589 100644 --- a/include/llvm/ADT/Triple.h +++ b/include/llvm/ADT/Triple.h @@ -10,52 +10,54 @@ #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 NetBSD #undef mips #undef sparc namespace llvm { -class StringRef; -class Twine; -/// Triple - Helper class for working with target triples. +/// Triple - Helper class for working with autoconf configuration names. For +/// historical reasons, we also call these 'triples' (they used to contain +/// exactly three fields). /// -/// Target triples are strings in the canonical form: +/// Configuration names are strings in the canonical form: /// ARCHITECTURE-VENDOR-OPERATING_SYSTEM /// or /// ARCHITECTURE-VENDOR-OPERATING_SYSTEM-ENVIRONMENT /// /// This class is used for clients which want to support arbitrary -/// target triples, but also want to implement certain special -/// behavior for particular targets. This class isolates the mapping -/// from the components of the target triple to well known IDs. +/// configuration names, but also want to implement certain special +/// behavior for particular configurations. This class isolates the mapping +/// from the components of the configuration name to well known IDs. /// /// 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. +/// See autoconf/config.guess for a glimpse into what configuration names +/// look like in practice. class Triple { public: enum ArchType { UnknownArch, - - alpha, // Alpha: alpha - arm, // ARM; arm, armv.*, xscale - bfin, // Blackfin: bfin - cellspu, // CellSPU: spu, cellspu + + arm, // ARM: arm, armv.*, xscale + aarch64, // AArch64: aarch64 + 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 - pic16, // PIC16: pic16 ppc, // PPC: powerpc ppc64, // PPC64: powerpc64, ppu + ppc64le, // PPC64LE: powerpc64le + r600, // R600: AMD GPUs HD2XXX - HD6XXX sparc, // Sparc: sparc sparcv9, // Sparcv9: Sparcv9 systemz, // SystemZ: s390x @@ -64,16 +66,24 @@ public: x86, // X86: i[3-9]86 x86_64, // X86-64: amd64, x86_64 xcore, // XCore: xcore - mblaze, // MBlaze: mblaze - ptx, // PTX: ptx - - InvalidArch + nvptx, // NVPTX: 32-bit + nvptx64, // NVPTX: 64-bit + le32, // le32: generic little-endian 32-bit CPU (PNaCl / Emscripten) + amdil, // amdil: amd IL + spir, // SPIR: standard portable IR for OpenCL 32-bit version + spir64 // SPIR: standard portable IR for OpenCL 64-bit version }; enum VendorType { UnknownVendor, - Apple, - PC + Apple, + PC, + SCEI, + BGP, + BGQ, + Freescale, + IBM, + NVIDIA }; enum OSType { UnknownOS, @@ -83,50 +93,67 @@ public: Darwin, DragonFly, FreeBSD, + IOS, + KFreeBSD, Linux, Lv2, // PS3 - MinGW32, - MinGW64, + MacOSX, + MinGW32, // i*86-pc-mingw32, *-w64-mingw32 NetBSD, OpenBSD, - Psp, Solaris, Win32, Haiku, - Minix + Minix, + RTEMS, + NaCl, // Native Client + CNK, // BG/P Compute-Node Kernel + Bitrig, + AIX, + CUDA, // NVIDIA CUDA + NVCL // NVIDIA OpenCL + }; + enum EnvironmentType { + UnknownEnvironment, + + GNU, + GNUEABI, + GNUEABIHF, + GNUX32, + EABI, + EABIHF, + MachO, + Android, + ELF }; - + 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; } - static ArchType ParseArch(StringRef ArchName); - static VendorType ParseVendor(StringRef VendorName); - static OSType ParseOS(StringRef OSName); - void Parse() const; + /// The parsed Environment type. + 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(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 @@ -141,24 +168,15 @@ public: /// @} /// @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? @@ -166,6 +184,37 @@ 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; + + /// getiOSVersion - Parse the version number as with getOSVersion. This should + /// only be called with IOS triples. + void getiOSVersion(unsigned &Major, unsigned &Minor, + unsigned &Micro) const; + /// @} /// @name Direct Component Access /// @{ @@ -194,21 +243,119 @@ public: /// if the environment component is present). 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 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; + } + + /// Is this an iOS triple. + bool isiOS() const { + return getOS() == Triple::IOS; + } + + /// isOSDarwin - Is this a "Darwin" OS (OS X or iOS). + bool isOSDarwin() const { + return isMacOSX() || isiOS(); + } + + /// \brief Tests for either Cygwin or MinGW OS + bool isOSCygMing() const { + return getOS() == Triple::Cygwin || getOS() == Triple::MinGW32; + } + + /// \brief Is this a "Windows" OS targeting a "MSVCRT.dll" environment. + bool isOSMSVCRT() const { + return getOS() == Triple::Win32 || getOS() == Triple::MinGW32; + } + + /// \brief Tests whether the OS is Windows. + bool isOSWindows() const { + return getOS() == Triple::Win32 || isOSCygMing(); + } + + /// \brief Tests whether the OS is NaCl (Native Client) + bool isOSNaCl() const { + return getOS() == Triple::NaCl; + } + + /// \brief Tests whether the OS is Linux. + bool isOSLinux() const { + return getOS() == Triple::Linux; + } + + /// \brief Tests whether the OS uses the ELF binary format. + bool isOSBinFormatELF() const { + return !isOSBinFormatMachO() && !isOSBinFormatCOFF(); + } + + /// \brief Tests whether the OS uses the COFF binary format. + bool isOSBinFormatCOFF() const { + return getEnvironment() != Triple::ELF && + getEnvironment() != Triple::MachO && isOSWindows(); + } + + /// \brief Tests whether the environment is MachO. + bool isOSBinFormatMachO() const { + return getEnvironment() == Triple::MachO || isOSDarwin(); + } + /// @} /// @name Mutators /// @{ @@ -225,7 +372,11 @@ public: /// to a known type. void setOS(OSType Kind); - /// setTriple - Set all components to the new triple \arg Str. + /// 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 \p Str. void setTriple(const Twine &Str); /// setArchName - Set the architecture (first) component of the @@ -252,15 +403,34 @@ 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. /// @{ - /// getArchTypeName - Get the canonical name for the \arg Kind - /// architecture. + /// getArchTypeName - Get the canonical name for the \p Kind architecture. static const char *getArchTypeName(ArchType Kind); - /// getArchTypePrefix - Get the "prefix" canonical name for the \arg Kind + /// getArchTypePrefix - Get the "prefix" canonical name for the \p Kind /// architecture. This is the prefix used by the architecture specific /// builtins, and is suitable for passing to \see /// Intrinsic::getIntrinsicForGCCBuiltin(). @@ -268,13 +438,16 @@ public: /// \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. + /// getVendorTypeName - Get the canonical name for the \p 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 \p Kind operating system. static const char *getOSTypeName(OSType Kind); + /// getEnvironmentTypeName - Get the canonical name for the \p Kind + /// environment. + static const char *getEnvironmentTypeName(EnvironmentType Kind); + /// @} /// @name Static helpers for converting alternate architecture names. /// @{ @@ -283,11 +456,6 @@ public: /// architecture name (e.g., "x86"). 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); - /// @} };