mirror of
https://github.com/c64scene-ar/llvm-6502.git
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56ce0f415c
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79016 91177308-0d34-0410-b5e6-96231b3b80d8
321 lines
8.4 KiB
C++
321 lines
8.4 KiB
C++
//===--- Triple.cpp - Target triple helper class --------------------------===//
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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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#include "llvm/ADT/Triple.h"
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#include "llvm/ADT/Twine.h"
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#include <cassert>
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#include <cstring>
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using namespace llvm;
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//
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const char *Triple::getArchTypeName(ArchType Kind) {
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switch (Kind) {
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case InvalidArch: return "<invalid>";
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case UnknownArch: return "unknown";
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case alpha: return "alpha";
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case arm: return "arm";
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case bfin: return "bfin";
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case cellspu: return "cellspu";
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case mips: return "mips";
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case mipsel: return "mipsel";
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case msp430: return "msp430";
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case ppc64: return "powerpc64";
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case ppc: return "powerpc";
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case sparc: return "sparc";
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case systemz: return "s390x";
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case thumb: return "thumb";
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case x86: return "i386";
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case x86_64: return "x86_64";
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case xcore: return "xcore";
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}
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return "<invalid>";
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}
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const char *Triple::getVendorTypeName(VendorType Kind) {
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switch (Kind) {
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case UnknownVendor: return "unknown";
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case Apple: return "apple";
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case PC: return "pc";
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}
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return "<invalid>";
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}
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const char *Triple::getOSTypeName(OSType Kind) {
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switch (Kind) {
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case UnknownOS: return "unknown";
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case AuroraUX: return "auroraux";
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case Cygwin: return "cygwin";
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case Darwin: return "darwin";
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case DragonFly: return "dragonfly";
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case FreeBSD: return "freebsd";
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case Linux: return "linux";
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case MinGW32: return "mingw32";
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case MinGW64: return "mingw64";
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case NetBSD: return "netbsd";
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case OpenBSD: return "openbsd";
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case Win32: return "win32";
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}
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return "<invalid>";
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}
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Triple::ArchType Triple::getArchTypeForLLVMName(const StringRef &Name) {
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if (Name == "alpha")
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return alpha;
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if (Name == "arm")
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return arm;
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if (Name == "bfin")
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return bfin;
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if (Name == "cellspu")
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return cellspu;
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if (Name == "mips")
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return mips;
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if (Name == "mipsel")
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return mipsel;
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if (Name == "msp430")
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return msp430;
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if (Name == "ppc64")
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return ppc64;
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if (Name == "ppc")
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return ppc;
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if (Name == "sparc")
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return sparc;
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if (Name == "systemz")
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return systemz;
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if (Name == "thumb")
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return thumb;
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if (Name == "x86")
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return x86;
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if (Name == "x86-64")
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return x86_64;
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if (Name == "xcore")
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return xcore;
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return UnknownArch;
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}
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//
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void Triple::Parse() const {
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assert(!isInitialized() && "Invalid parse call.");
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StringRef ArchName = getArchName();
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if (ArchName.size() == 4 && ArchName[0] == 'i' &&
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ArchName[2] == '8' && ArchName[3] == '6' &&
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ArchName[1] - '3' < 6) // i[3-9]86
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Arch = x86;
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else if (ArchName == "amd64" || ArchName == "x86_64")
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Arch = x86_64;
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else if (ArchName == "powerpc")
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Arch = ppc;
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else if (ArchName == "powerpc64")
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Arch = ppc64;
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else if (ArchName == "arm" ||
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ArchName.startswith("armv"))
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Arch = arm;
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else if (ArchName == "thumb" ||
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ArchName.startswith("thumbv"))
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Arch = thumb;
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else if (ArchName.startswith("alpha"))
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Arch = alpha;
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else if (ArchName == "spu" || ArchName == "cellspu")
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Arch = cellspu;
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else if (ArchName == "msp430")
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Arch = msp430;
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else if (ArchName == "mips" || ArchName == "mipsallegrex")
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Arch = mips;
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else if (ArchName == "mipsel" || ArchName == "mipsallegrexel" ||
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ArchName == "psp")
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Arch = mipsel;
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else if (ArchName == "sparc")
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Arch = sparc;
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else if (ArchName == "s390x")
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Arch = systemz;
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else if (ArchName == "bfin")
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Arch = bfin;
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else
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Arch = UnknownArch;
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StringRef VendorName = getVendorName();
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if (VendorName == "apple")
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Vendor = Apple;
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else if (VendorName == "pc")
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Vendor = PC;
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else
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Vendor = UnknownVendor;
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StringRef OSName = getOSName();
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if (OSName.startswith("auroraux"))
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OS = AuroraUX;
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else if (OSName.startswith("cygwin"))
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OS = Cygwin;
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else if (OSName.startswith("darwin"))
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OS = Darwin;
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else if (OSName.startswith("dragonfly"))
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OS = DragonFly;
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else if (OSName.startswith("freebsd"))
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OS = FreeBSD;
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else if (OSName.startswith("linux"))
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OS = Linux;
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else if (OSName.startswith("mingw32"))
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OS = MinGW32;
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else if (OSName.startswith("mingw64"))
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OS = MinGW64;
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else if (OSName.startswith("netbsd"))
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OS = NetBSD;
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else if (OSName.startswith("openbsd"))
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OS = OpenBSD;
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else if (OSName.startswith("win32"))
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OS = Win32;
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else
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OS = UnknownOS;
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assert(isInitialized() && "Failed to initialize!");
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}
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StringRef Triple::getArchName() const {
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return StringRef(Data).split('-').first; // Isolate first component
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}
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StringRef Triple::getVendorName() const {
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StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
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return Tmp.split('-').first; // Isolate second component
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}
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StringRef Triple::getOSName() const {
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StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
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Tmp = Tmp.split('-').second; // Strip second component
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return Tmp.split('-').first; // Isolate third component
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}
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StringRef Triple::getEnvironmentName() const {
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StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
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Tmp = Tmp.split('-').second; // Strip second component
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return Tmp.split('-').second; // Strip third component
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}
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StringRef Triple::getOSAndEnvironmentName() const {
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StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
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return Tmp.split('-').second; // Strip second component
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}
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static unsigned EatNumber(StringRef &Str) {
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assert(!Str.empty() && Str[0] >= '0' && Str[0] <= '9' && "Not a number");
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unsigned Result = Str[0]-'0';
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// Eat the digit.
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Str = Str.substr(1);
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// Handle "darwin11".
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if (Result == 1 && !Str.empty() && Str[0] >= '0' && Str[0] <= '9') {
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Result = Result*10 + (Str[0] - '0');
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// Eat the digit.
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Str = Str.substr(1);
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}
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return Result;
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}
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/// getDarwinNumber - Parse the 'darwin number' out of the specific target
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/// triple. For example, if we have darwin8.5 return 8,5,0. If any entry is
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/// not defined, return 0's. This requires that the triple have an OSType of
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/// darwin before it is called.
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void Triple::getDarwinNumber(unsigned &Maj, unsigned &Min,
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unsigned &Revision) const {
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assert(getOS() == Darwin && "Not a darwin target triple!");
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StringRef OSName = getOSName();
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assert(OSName.startswith("darwin") && "Unknown darwin target triple!");
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// Strip off "darwin".
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OSName = OSName.substr(6);
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Maj = Min = Revision = 0;
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if (OSName.empty() || OSName[0] < '0' || OSName[0] > '9')
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return;
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// The major version is the first digit.
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Maj = EatNumber(OSName);
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if (OSName.empty()) return;
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// Handle minor version: 10.4.9 -> darwin8.9.
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if (OSName[0] != '.')
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return;
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// Eat the '.'.
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OSName = OSName.substr(1);
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if (OSName.empty() || OSName[0] < '0' || OSName[0] > '9')
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return;
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Min = EatNumber(OSName);
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if (OSName.empty()) return;
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// Handle revision darwin8.9.1
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if (OSName[0] != '.')
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return;
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// Eat the '.'.
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OSName = OSName.substr(1);
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if (OSName.empty() || OSName[0] < '0' || OSName[0] > '9')
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return;
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Revision = EatNumber(OSName);
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}
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void Triple::setTriple(const Twine &Str) {
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Data = Str.str();
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Arch = InvalidArch;
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}
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void Triple::setArch(ArchType Kind) {
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setArchName(getArchTypeName(Kind));
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}
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void Triple::setVendor(VendorType Kind) {
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setVendorName(getVendorTypeName(Kind));
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}
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void Triple::setOS(OSType Kind) {
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setOSName(getOSTypeName(Kind));
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}
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void Triple::setArchName(const StringRef &Str) {
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setTriple(Str + "-" + getVendorName() + "-" + getOSAndEnvironmentName());
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}
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void Triple::setVendorName(const StringRef &Str) {
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setTriple(getArchName() + "-" + Str + "-" + getOSAndEnvironmentName());
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}
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void Triple::setOSName(const StringRef &Str) {
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if (hasEnvironment())
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setTriple(getArchName() + "-" + getVendorName() + "-" + Str +
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"-" + getEnvironmentName());
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else
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setTriple(getArchName() + "-" + getVendorName() + "-" + Str);
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}
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void Triple::setEnvironmentName(const StringRef &Str) {
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setTriple(getArchName() + "-" + getVendorName() + "-" + getOSName() +
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"-" + Str);
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}
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void Triple::setOSAndEnvironmentName(const StringRef &Str) {
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setTriple(getArchName() + "-" + getVendorName() + "-" + Str);
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}
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