mirror of
https://github.com/c64scene-ar/llvm-6502.git
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218142 91177308-0d34-0410-b5e6-96231b3b80d8
545 lines
16 KiB
C++
545 lines
16 KiB
C++
//===-- llvm/ADT/Triple.h - Target triple helper class ----------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_ADT_TRIPLE_H
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#define LLVM_ADT_TRIPLE_H
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#include "llvm/ADT/Twine.h"
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// Some system headers or GCC predefined macros conflict with identifiers in
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// this file. Undefine them here.
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#undef NetBSD
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#undef mips
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#undef sparc
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namespace llvm {
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/// Triple - Helper class for working with autoconf configuration names. For
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/// historical reasons, we also call these 'triples' (they used to contain
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/// exactly three fields).
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///
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/// Configuration names are strings in the canonical form:
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/// ARCHITECTURE-VENDOR-OPERATING_SYSTEM
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/// or
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/// ARCHITECTURE-VENDOR-OPERATING_SYSTEM-ENVIRONMENT
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///
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/// This class is used for clients which want to support arbitrary
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/// configuration names, but also want to implement certain special
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/// behavior for particular configurations. This class isolates the mapping
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/// from the components of the configuration name to well known IDs.
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///
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/// At its core the Triple class is designed to be a wrapper for a triple
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/// string; the constructor does not change or normalize the triple string.
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/// Clients that need to handle the non-canonical triples that users often
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/// specify should use the normalize method.
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///
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/// See autoconf/config.guess for a glimpse into what configuration names
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/// look like in practice.
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class Triple {
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public:
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enum ArchType {
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UnknownArch,
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arm, // ARM (little endian): arm, armv.*, xscale
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armeb, // ARM (big endian): armeb
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aarch64, // AArch64 (little endian): aarch64
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aarch64_be, // AArch64 (big endian): aarch64_be
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hexagon, // Hexagon: hexagon
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mips, // MIPS: mips, mipsallegrex
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mipsel, // MIPSEL: mipsel, mipsallegrexel
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mips64, // MIPS64: mips64
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mips64el, // MIPS64EL: mips64el
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msp430, // MSP430: msp430
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ppc, // PPC: powerpc
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ppc64, // PPC64: powerpc64, ppu
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ppc64le, // PPC64LE: powerpc64le
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r600, // R600: AMD GPUs HD2XXX - HD6XXX
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sparc, // Sparc: sparc
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sparcv9, // Sparcv9: Sparcv9
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systemz, // SystemZ: s390x
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tce, // TCE (http://tce.cs.tut.fi/): tce
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thumb, // Thumb (little endian): thumb, thumbv.*
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thumbeb, // Thumb (big endian): thumbeb
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x86, // X86: i[3-9]86
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x86_64, // X86-64: amd64, x86_64
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xcore, // XCore: xcore
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nvptx, // NVPTX: 32-bit
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nvptx64, // NVPTX: 64-bit
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le32, // le32: generic little-endian 32-bit CPU (PNaCl / Emscripten)
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le64, // le64: generic little-endian 64-bit CPU (PNaCl / Emscripten)
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amdil, // AMDIL
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amdil64, // AMDIL with 64-bit pointers
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hsail, // AMD HSAIL
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hsail64, // AMD HSAIL with 64-bit pointers
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spir, // SPIR: standard portable IR for OpenCL 32-bit version
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spir64, // SPIR: standard portable IR for OpenCL 64-bit version
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kalimba // Kalimba: generic kalimba
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};
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enum SubArchType {
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NoSubArch,
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ARMSubArch_v8,
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ARMSubArch_v7,
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ARMSubArch_v7em,
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ARMSubArch_v7m,
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ARMSubArch_v7s,
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ARMSubArch_v6,
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ARMSubArch_v6m,
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ARMSubArch_v6t2,
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ARMSubArch_v5,
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ARMSubArch_v5te,
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ARMSubArch_v4t,
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KalimbaSubArch_v3,
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KalimbaSubArch_v4,
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KalimbaSubArch_v5
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};
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enum VendorType {
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UnknownVendor,
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Apple,
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PC,
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SCEI,
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BGP,
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BGQ,
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Freescale,
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IBM,
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ImaginationTechnologies,
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MipsTechnologies,
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NVIDIA,
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CSR
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};
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enum OSType {
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UnknownOS,
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Darwin,
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DragonFly,
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FreeBSD,
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IOS,
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KFreeBSD,
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Linux,
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Lv2, // PS3
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MacOSX,
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NetBSD,
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OpenBSD,
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Solaris,
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Win32,
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Haiku,
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Minix,
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RTEMS,
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NaCl, // Native Client
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CNK, // BG/P Compute-Node Kernel
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Bitrig,
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AIX,
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CUDA, // NVIDIA CUDA
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NVCL // NVIDIA OpenCL
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};
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enum EnvironmentType {
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UnknownEnvironment,
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GNU,
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GNUEABI,
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GNUEABIHF,
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GNUX32,
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CODE16,
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EABI,
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EABIHF,
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Android,
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MSVC,
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Itanium,
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Cygnus,
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};
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enum ObjectFormatType {
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UnknownObjectFormat,
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COFF,
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ELF,
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MachO,
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};
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private:
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std::string Data;
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/// The parsed arch type.
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ArchType Arch;
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/// The parsed subarchitecture type.
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SubArchType SubArch;
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/// The parsed vendor type.
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VendorType Vendor;
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/// The parsed OS type.
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OSType OS;
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/// The parsed Environment type.
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EnvironmentType Environment;
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/// The object format type.
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ObjectFormatType ObjectFormat;
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public:
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/// @name Constructors
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/// @{
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/// \brief Default constructor is the same as an empty string and leaves all
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/// triple fields unknown.
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Triple() : Data(), Arch(), Vendor(), OS(), Environment(), ObjectFormat() {}
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explicit Triple(const Twine &Str);
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Triple(const Twine &ArchStr, const Twine &VendorStr, const Twine &OSStr);
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Triple(const Twine &ArchStr, const Twine &VendorStr, const Twine &OSStr,
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const Twine &EnvironmentStr);
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/// @}
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/// @name Normalization
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/// @{
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/// normalize - Turn an arbitrary machine specification into the canonical
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/// triple form (or something sensible that the Triple class understands if
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/// nothing better can reasonably be done). In particular, it handles the
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/// common case in which otherwise valid components are in the wrong order.
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static std::string normalize(StringRef Str);
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/// @}
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/// @name Typed Component Access
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/// @{
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/// getArch - Get the parsed architecture type of this triple.
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ArchType getArch() const { return Arch; }
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/// getSubArch - get the parsed subarchitecture type for this triple.
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SubArchType getSubArch() const { return SubArch; }
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/// getVendor - Get the parsed vendor type of this triple.
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VendorType getVendor() const { return Vendor; }
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/// getOS - Get the parsed operating system type of this triple.
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OSType getOS() const { return OS; }
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/// hasEnvironment - Does this triple have the optional environment
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/// (fourth) component?
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bool hasEnvironment() const {
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return getEnvironmentName() != "";
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}
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/// getEnvironment - Get the parsed environment type of this triple.
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EnvironmentType getEnvironment() const { return Environment; }
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/// getFormat - Get the object format for this triple.
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ObjectFormatType getObjectFormat() const { return ObjectFormat; }
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/// getOSVersion - Parse the version number from the OS name component of the
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/// triple, if present.
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///
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/// For example, "fooos1.2.3" would return (1, 2, 3).
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///
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/// If an entry is not defined, it will be returned as 0.
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void getOSVersion(unsigned &Major, unsigned &Minor, unsigned &Micro) const;
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/// getOSMajorVersion - Return just the major version number, this is
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/// specialized because it is a common query.
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unsigned getOSMajorVersion() const {
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unsigned Maj, Min, Micro;
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getOSVersion(Maj, Min, Micro);
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return Maj;
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}
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/// getMacOSXVersion - Parse the version number as with getOSVersion and then
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/// translate generic "darwin" versions to the corresponding OS X versions.
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/// This may also be called with IOS triples but the OS X version number is
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/// just set to a constant 10.4.0 in that case. Returns true if successful.
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bool getMacOSXVersion(unsigned &Major, unsigned &Minor,
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unsigned &Micro) const;
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/// getiOSVersion - Parse the version number as with getOSVersion. This should
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/// only be called with IOS triples.
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void getiOSVersion(unsigned &Major, unsigned &Minor,
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unsigned &Micro) const;
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/// @}
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/// @name Direct Component Access
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/// @{
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const std::string &str() const { return Data; }
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const std::string &getTriple() const { return Data; }
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/// getArchName - Get the architecture (first) component of the
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/// triple.
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StringRef getArchName() const;
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/// getVendorName - Get the vendor (second) component of the triple.
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StringRef getVendorName() const;
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/// getOSName - Get the operating system (third) component of the
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/// triple.
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StringRef getOSName() const;
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/// getEnvironmentName - Get the optional environment (fourth)
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/// component of the triple, or "" if empty.
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StringRef getEnvironmentName() const;
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/// getOSAndEnvironmentName - Get the operating system and optional
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/// environment components as a single string (separated by a '-'
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/// if the environment component is present).
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StringRef getOSAndEnvironmentName() const;
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/// @}
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/// @name Convenience Predicates
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/// @{
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/// \brief Test whether the architecture is 64-bit
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///
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/// Note that this tests for 64-bit pointer width, and nothing else. Note
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/// that we intentionally expose only three predicates, 64-bit, 32-bit, and
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/// 16-bit. The inner details of pointer width for particular architectures
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/// is not summed up in the triple, and so only a coarse grained predicate
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/// system is provided.
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bool isArch64Bit() const;
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/// \brief Test whether the architecture is 32-bit
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///
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/// Note that this tests for 32-bit pointer width, and nothing else.
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bool isArch32Bit() const;
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/// \brief Test whether the architecture is 16-bit
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///
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/// Note that this tests for 16-bit pointer width, and nothing else.
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bool isArch16Bit() const;
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/// isOSVersionLT - Helper function for doing comparisons against version
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/// numbers included in the target triple.
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bool isOSVersionLT(unsigned Major, unsigned Minor = 0,
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unsigned Micro = 0) const {
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unsigned LHS[3];
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getOSVersion(LHS[0], LHS[1], LHS[2]);
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if (LHS[0] != Major)
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return LHS[0] < Major;
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if (LHS[1] != Minor)
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return LHS[1] < Minor;
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if (LHS[2] != Micro)
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return LHS[1] < Micro;
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return false;
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}
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/// isMacOSXVersionLT - Comparison function for checking OS X version
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/// compatibility, which handles supporting skewed version numbering schemes
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/// used by the "darwin" triples.
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unsigned isMacOSXVersionLT(unsigned Major, unsigned Minor = 0,
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unsigned Micro = 0) const {
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assert(isMacOSX() && "Not an OS X triple!");
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// If this is OS X, expect a sane version number.
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if (getOS() == Triple::MacOSX)
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return isOSVersionLT(Major, Minor, Micro);
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// Otherwise, compare to the "Darwin" number.
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assert(Major == 10 && "Unexpected major version");
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return isOSVersionLT(Minor + 4, Micro, 0);
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}
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/// isMacOSX - Is this a Mac OS X triple. For legacy reasons, we support both
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/// "darwin" and "osx" as OS X triples.
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bool isMacOSX() const {
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return getOS() == Triple::Darwin || getOS() == Triple::MacOSX;
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}
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/// Is this an iOS triple.
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bool isiOS() const {
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return getOS() == Triple::IOS;
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}
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/// isOSDarwin - Is this a "Darwin" OS (OS X or iOS).
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bool isOSDarwin() const {
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return isMacOSX() || isiOS();
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}
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bool isOSFreeBSD() const {
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return getOS() == Triple::FreeBSD;
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}
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bool isWindowsMSVCEnvironment() const {
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return getOS() == Triple::Win32 &&
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(getEnvironment() == Triple::UnknownEnvironment ||
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getEnvironment() == Triple::MSVC);
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}
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bool isKnownWindowsMSVCEnvironment() const {
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return getOS() == Triple::Win32 && getEnvironment() == Triple::MSVC;
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}
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bool isWindowsItaniumEnvironment() const {
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return getOS() == Triple::Win32 && getEnvironment() == Triple::Itanium;
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}
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bool isWindowsCygwinEnvironment() const {
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return getOS() == Triple::Win32 && getEnvironment() == Triple::Cygnus;
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}
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bool isWindowsGNUEnvironment() const {
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return getOS() == Triple::Win32 && getEnvironment() == Triple::GNU;
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}
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/// \brief Tests for either Cygwin or MinGW OS
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bool isOSCygMing() const {
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return isWindowsCygwinEnvironment() || isWindowsGNUEnvironment();
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}
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/// \brief Is this a "Windows" OS targeting a "MSVCRT.dll" environment.
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bool isOSMSVCRT() const {
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return isWindowsMSVCEnvironment() || isWindowsGNUEnvironment();
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}
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/// \brief Tests whether the OS is Windows.
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bool isOSWindows() const {
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return getOS() == Triple::Win32 || isOSCygMing();
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}
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/// \brief Tests whether the OS is NaCl (Native Client)
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bool isOSNaCl() const {
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return getOS() == Triple::NaCl;
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}
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/// \brief Tests whether the OS is Linux.
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bool isOSLinux() const {
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return getOS() == Triple::Linux;
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}
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/// \brief Tests whether the OS uses the ELF binary format.
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bool isOSBinFormatELF() const {
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return getObjectFormat() == Triple::ELF;
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}
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/// \brief Tests whether the OS uses the COFF binary format.
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bool isOSBinFormatCOFF() const {
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return getObjectFormat() == Triple::COFF;
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}
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/// \brief Tests whether the environment is MachO.
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bool isOSBinFormatMachO() const {
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return getObjectFormat() == Triple::MachO;
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}
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/// @}
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/// @name Mutators
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/// @{
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/// setArch - Set the architecture (first) component of the triple
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/// to a known type.
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void setArch(ArchType Kind);
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/// setVendor - Set the vendor (second) component of the triple to a
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/// known type.
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void setVendor(VendorType Kind);
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/// setOS - Set the operating system (third) component of the triple
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/// to a known type.
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void setOS(OSType Kind);
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/// setEnvironment - Set the environment (fourth) component of the triple
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/// to a known type.
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void setEnvironment(EnvironmentType Kind);
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/// setObjectFormat - Set the object file format
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void setObjectFormat(ObjectFormatType Kind);
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/// setTriple - Set all components to the new triple \p Str.
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void setTriple(const Twine &Str);
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/// setArchName - Set the architecture (first) component of the
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/// triple by name.
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void setArchName(StringRef Str);
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/// setVendorName - Set the vendor (second) component of the triple
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/// by name.
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void setVendorName(StringRef Str);
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/// setOSName - Set the operating system (third) component of the
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/// triple by name.
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void setOSName(StringRef Str);
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/// setEnvironmentName - Set the optional environment (fourth)
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/// component of the triple by name.
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void setEnvironmentName(StringRef Str);
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/// setOSAndEnvironmentName - Set the operating system and optional
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/// environment components with a single string.
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void setOSAndEnvironmentName(StringRef Str);
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/// @}
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/// @name Helpers to build variants of a particular triple.
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/// @{
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/// \brief Form a triple with a 32-bit variant of the current architecture.
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///
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/// This can be used to move across "families" of architectures where useful.
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///
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/// \returns A new triple with a 32-bit architecture or an unknown
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/// architecture if no such variant can be found.
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llvm::Triple get32BitArchVariant() const;
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/// \brief Form a triple with a 64-bit variant of the current architecture.
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///
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/// This can be used to move across "families" of architectures where useful.
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///
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/// \returns A new triple with a 64-bit architecture or an unknown
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/// architecture if no such variant can be found.
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llvm::Triple get64BitArchVariant() const;
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/// Get the (LLVM) name of the minimum ARM CPU for the arch we are targeting.
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///
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/// \param Arch the architecture name (e.g., "armv7s"). If it is an empty
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/// string then the triple's arch name is used.
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const char* getARMCPUForArch(StringRef Arch = StringRef()) const;
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/// @}
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/// @name Static helpers for IDs.
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/// @{
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/// getArchTypeName - Get the canonical name for the \p Kind architecture.
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static const char *getArchTypeName(ArchType Kind);
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/// getArchTypePrefix - Get the "prefix" canonical name for the \p Kind
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/// architecture. This is the prefix used by the architecture specific
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/// builtins, and is suitable for passing to \see
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/// Intrinsic::getIntrinsicForGCCBuiltin().
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///
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/// \return - The architecture prefix, or 0 if none is defined.
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static const char *getArchTypePrefix(ArchType Kind);
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/// getVendorTypeName - Get the canonical name for the \p Kind vendor.
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static const char *getVendorTypeName(VendorType Kind);
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/// getOSTypeName - Get the canonical name for the \p Kind operating system.
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static const char *getOSTypeName(OSType Kind);
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/// getEnvironmentTypeName - Get the canonical name for the \p Kind
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/// environment.
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static const char *getEnvironmentTypeName(EnvironmentType Kind);
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/// @}
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/// @name Static helpers for converting alternate architecture names.
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/// @{
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/// getArchTypeForLLVMName - The canonical type for the given LLVM
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/// architecture name (e.g., "x86").
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static ArchType getArchTypeForLLVMName(StringRef Str);
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/// @}
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};
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} // End llvm namespace
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#endif
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