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	textually as NativeClient. Also added a link to the native client project for readers unfamiliar with it. A Clang patch will follow shortly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169291 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			776 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			776 lines
		
	
	
		
			24 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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| 
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| #include "llvm/ADT/Triple.h"
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| #include "llvm/ADT/STLExtras.h"
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| #include "llvm/ADT/SmallString.h"
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| #include "llvm/ADT/StringSwitch.h"
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| #include "llvm/Support/ErrorHandling.h"
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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 UnknownArch: return "unknown";
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| 
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|   case arm:     return "arm";
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|   case hexagon: return "hexagon";
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|   case mips:    return "mips";
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|   case mipsel:  return "mipsel";
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|   case mips64:  return "mips64";
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|   case mips64el:return "mips64el";
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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 r600:    return "r600";
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|   case sparc:   return "sparc";
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|   case sparcv9: return "sparcv9";
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|   case tce:     return "tce";
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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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|   case mblaze:  return "mblaze";
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|   case nvptx:   return "nvptx";
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|   case nvptx64: return "nvptx64";
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|   case le32:    return "le32";
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|   case amdil:   return "amdil";
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|   case spir:    return "spir";
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|   case spir64:  return "spir64";
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|   }
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| 
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|   llvm_unreachable("Invalid ArchType!");
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| }
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| 
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| const char *Triple::getArchTypePrefix(ArchType Kind) {
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|   switch (Kind) {
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|   default:
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|     return 0;
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| 
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|   case arm:
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|   case thumb:   return "arm";
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| 
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|   case ppc64:
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|   case ppc:     return "ppc";
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| 
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|   case mblaze:  return "mblaze";
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| 
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|   case mips:
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|   case mipsel:
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|   case mips64:
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|   case mips64el:return "mips";
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| 
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|   case hexagon: return "hexagon";
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| 
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|   case r600:    return "r600";
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| 
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|   case sparcv9:
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|   case sparc:   return "sparc";
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| 
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|   case x86:
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|   case x86_64:  return "x86";
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| 
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|   case xcore:   return "xcore";
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| 
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|   case nvptx:   return "nvptx";
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|   case nvptx64: return "nvptx";
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|   case le32:    return "le32";
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|   case amdil:   return "amdil";
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|   case spir:    return "spir";
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|   case spir64:  return "spir";
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|   }
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| }
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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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| 
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|   case Apple: return "apple";
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|   case PC: return "pc";
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|   case SCEI: return "scei";
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|   case BGP: return "bgp";
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|   case BGQ: return "bgq";
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|   case Freescale: return "fsl";
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|   case IBM: return "ibm";
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|   }
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| 
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|   llvm_unreachable("Invalid VendorType!");
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| }
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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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| 
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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 IOS: return "ios";
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|   case KFreeBSD: return "kfreebsd";
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|   case Linux: return "linux";
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|   case Lv2: return "lv2";
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|   case MacOSX: return "macosx";
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|   case MinGW32: return "mingw32";
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|   case NetBSD: return "netbsd";
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|   case OpenBSD: return "openbsd";
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|   case Solaris: return "solaris";
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|   case Win32: return "win32";
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|   case Haiku: return "haiku";
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|   case Minix: return "minix";
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|   case RTEMS: return "rtems";
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|   case NaCl: return "nacl";
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|   case CNK: return "cnk";
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|   case Bitrig: return "bitrig";
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|   case AIX: return "aix";
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|   }
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| 
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|   llvm_unreachable("Invalid OSType");
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| }
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| 
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| const char *Triple::getEnvironmentTypeName(EnvironmentType Kind) {
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|   switch (Kind) {
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|   case UnknownEnvironment: return "unknown";
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|   case GNU: return "gnu";
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|   case GNUEABIHF: return "gnueabihf";
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|   case GNUEABI: return "gnueabi";
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|   case EABI: return "eabi";
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|   case MachO: return "macho";
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|   case Android: return "android";
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|   case ELF: return "elf";
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|   }
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| 
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|   llvm_unreachable("Invalid EnvironmentType!");
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| }
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| 
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| Triple::ArchType Triple::getArchTypeForLLVMName(StringRef Name) {
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|   return StringSwitch<Triple::ArchType>(Name)
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|     .Case("arm", arm)
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|     .Case("mips", mips)
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|     .Case("mipsel", mipsel)
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|     .Case("mips64", mips64)
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|     .Case("mips64el", mips64el)
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|     .Case("msp430", msp430)
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|     .Case("ppc64", ppc64)
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|     .Case("ppc32", ppc)
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|     .Case("ppc", ppc)
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|     .Case("mblaze", mblaze)
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|     .Case("r600", r600)
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|     .Case("hexagon", hexagon)
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|     .Case("sparc", sparc)
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|     .Case("sparcv9", sparcv9)
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|     .Case("tce", tce)
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|     .Case("thumb", thumb)
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|     .Case("x86", x86)
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|     .Case("x86-64", x86_64)
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|     .Case("xcore", xcore)
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|     .Case("nvptx", nvptx)
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|     .Case("nvptx64", nvptx64)
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|     .Case("le32", le32)
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|     .Case("amdil", amdil)
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|     .Case("spir", spir)
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|     .Case("spir64", spir64)
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|     .Default(UnknownArch);
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| }
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| 
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| // Returns architecture name that is understood by the target assembler.
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| const char *Triple::getArchNameForAssembler() {
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|   if (!isOSDarwin() && getVendor() != Triple::Apple)
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|     return NULL;
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| 
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|   return StringSwitch<const char*>(getArchName())
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|     .Case("i386", "i386")
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|     .Case("x86_64", "x86_64")
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|     .Case("powerpc", "ppc")
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|     .Case("powerpc64", "ppc64")
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|     .Cases("mblaze", "microblaze", "mblaze")
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|     .Case("arm", "arm")
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|     .Cases("armv4t", "thumbv4t", "armv4t")
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|     .Cases("armv5", "armv5e", "thumbv5", "thumbv5e", "armv5")
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|     .Cases("armv6", "thumbv6", "armv6")
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|     .Cases("armv7", "thumbv7", "armv7")
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|     .Case("r600", "r600")
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|     .Case("nvptx", "nvptx")
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|     .Case("nvptx64", "nvptx64")
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|     .Case("le32", "le32")
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|     .Case("amdil", "amdil")
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|     .Case("spir", "spir")
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|     .Case("spir64", "spir64")
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|     .Default(NULL);
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| }
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| 
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| static Triple::ArchType parseArch(StringRef ArchName) {
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|   return StringSwitch<Triple::ArchType>(ArchName)
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|     .Cases("i386", "i486", "i586", "i686", Triple::x86)
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|     // FIXME: Do we need to support these?
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|     .Cases("i786", "i886", "i986", Triple::x86)
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|     .Cases("amd64", "x86_64", Triple::x86_64)
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|     .Case("powerpc", Triple::ppc)
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|     .Cases("powerpc64", "ppu", Triple::ppc64)
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|     .Case("mblaze", Triple::mblaze)
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|     .Cases("arm", "xscale", Triple::arm)
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|     // FIXME: It would be good to replace these with explicit names for all the
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|     // various suffixes supported.
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|     .StartsWith("armv", Triple::arm)
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|     .Case("thumb", Triple::thumb)
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|     .StartsWith("thumbv", Triple::thumb)
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|     .Case("msp430", Triple::msp430)
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|     .Cases("mips", "mipseb", "mipsallegrex", Triple::mips)
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|     .Cases("mipsel", "mipsallegrexel", Triple::mipsel)
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|     .Cases("mips64", "mips64eb", Triple::mips64)
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|     .Case("mips64el", Triple::mips64el)
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|     .Case("r600", Triple::r600)
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|     .Case("hexagon", Triple::hexagon)
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|     .Case("sparc", Triple::sparc)
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|     .Case("sparcv9", Triple::sparcv9)
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|     .Case("tce", Triple::tce)
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|     .Case("xcore", Triple::xcore)
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|     .Case("nvptx", Triple::nvptx)
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|     .Case("nvptx64", Triple::nvptx64)
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|     .Case("le32", Triple::le32)
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|     .Case("amdil", Triple::amdil)
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|     .Case("spir", Triple::spir)
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|     .Case("spir64", Triple::spir64)
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|     .Default(Triple::UnknownArch);
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| }
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| 
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| static Triple::VendorType parseVendor(StringRef VendorName) {
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|   return StringSwitch<Triple::VendorType>(VendorName)
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|     .Case("apple", Triple::Apple)
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|     .Case("pc", Triple::PC)
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|     .Case("scei", Triple::SCEI)
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|     .Case("bgp", Triple::BGP)
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|     .Case("bgq", Triple::BGQ)
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|     .Case("fsl", Triple::Freescale)
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|     .Case("ibm", Triple::IBM)
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|     .Default(Triple::UnknownVendor);
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| }
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| 
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| static Triple::OSType parseOS(StringRef OSName) {
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|   return StringSwitch<Triple::OSType>(OSName)
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|     .StartsWith("auroraux", Triple::AuroraUX)
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|     .StartsWith("cygwin", Triple::Cygwin)
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|     .StartsWith("darwin", Triple::Darwin)
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|     .StartsWith("dragonfly", Triple::DragonFly)
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|     .StartsWith("freebsd", Triple::FreeBSD)
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|     .StartsWith("ios", Triple::IOS)
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|     .StartsWith("kfreebsd", Triple::KFreeBSD)
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|     .StartsWith("linux", Triple::Linux)
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|     .StartsWith("lv2", Triple::Lv2)
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|     .StartsWith("macosx", Triple::MacOSX)
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|     .StartsWith("mingw32", Triple::MinGW32)
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|     .StartsWith("netbsd", Triple::NetBSD)
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|     .StartsWith("openbsd", Triple::OpenBSD)
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|     .StartsWith("solaris", Triple::Solaris)
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|     .StartsWith("win32", Triple::Win32)
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|     .StartsWith("haiku", Triple::Haiku)
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|     .StartsWith("minix", Triple::Minix)
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|     .StartsWith("rtems", Triple::RTEMS)
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|     .StartsWith("nacl", Triple::NaCl)
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|     .StartsWith("cnk", Triple::CNK)
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|     .StartsWith("bitrig", Triple::Bitrig)
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|     .StartsWith("aix", Triple::AIX)
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|     .Default(Triple::UnknownOS);
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| }
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| 
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| static Triple::EnvironmentType parseEnvironment(StringRef EnvironmentName) {
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|   return StringSwitch<Triple::EnvironmentType>(EnvironmentName)
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|     .StartsWith("eabi", Triple::EABI)
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|     .StartsWith("gnueabihf", Triple::GNUEABIHF)
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|     .StartsWith("gnueabi", Triple::GNUEABI)
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|     .StartsWith("gnu", Triple::GNU)
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|     .StartsWith("macho", Triple::MachO)
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|     .StartsWith("android", Triple::Android)
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|     .StartsWith("elf", Triple::ELF)
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|     .Default(Triple::UnknownEnvironment);
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| }
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| 
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| /// \brief Construct a triple from the string representation provided.
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| ///
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| /// This stores the string representation and parses the various pieces into
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| /// enum members.
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| Triple::Triple(const Twine &Str)
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|     : Data(Str.str()),
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|       Arch(parseArch(getArchName())),
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|       Vendor(parseVendor(getVendorName())),
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|       OS(parseOS(getOSName())),
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|       Environment(parseEnvironment(getEnvironmentName())) {
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| }
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| 
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| /// \brief Construct a triple from string representations of the architecture,
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| /// vendor, and OS.
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| ///
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| /// This joins each argument into a canonical string representation and parses
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| /// them into enum members. It leaves the environment unknown and omits it from
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| /// the string representation.
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| Triple::Triple(const Twine &ArchStr, const Twine &VendorStr, const Twine &OSStr)
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|     : Data((ArchStr + Twine('-') + VendorStr + Twine('-') + OSStr).str()),
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|       Arch(parseArch(ArchStr.str())),
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|       Vendor(parseVendor(VendorStr.str())),
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|       OS(parseOS(OSStr.str())),
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|       Environment() {
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| }
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| 
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| /// \brief Construct a triple from string representations of the architecture,
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| /// vendor, OS, and environment.
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| ///
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| /// This joins each argument into a canonical string representation and parses
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| /// them into enum members.
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| Triple::Triple(const Twine &ArchStr, const Twine &VendorStr, const Twine &OSStr,
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|                const Twine &EnvironmentStr)
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|     : Data((ArchStr + Twine('-') + VendorStr + Twine('-') + OSStr + Twine('-') +
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|             EnvironmentStr).str()),
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|       Arch(parseArch(ArchStr.str())),
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|       Vendor(parseVendor(VendorStr.str())),
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|       OS(parseOS(OSStr.str())),
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|       Environment(parseEnvironment(EnvironmentStr.str())) {
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| }
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| 
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| std::string Triple::normalize(StringRef Str) {
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|   // Parse into components.
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|   SmallVector<StringRef, 4> Components;
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|   Str.split(Components, "-");
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| 
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|   // If the first component corresponds to a known architecture, preferentially
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|   // use it for the architecture.  If the second component corresponds to a
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|   // known vendor, preferentially use it for the vendor, etc.  This avoids silly
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|   // component movement when a component parses as (eg) both a valid arch and a
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|   // valid os.
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|   ArchType Arch = UnknownArch;
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|   if (Components.size() > 0)
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|     Arch = parseArch(Components[0]);
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|   VendorType Vendor = UnknownVendor;
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|   if (Components.size() > 1)
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|     Vendor = parseVendor(Components[1]);
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|   OSType OS = UnknownOS;
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|   if (Components.size() > 2)
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|     OS = parseOS(Components[2]);
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|   EnvironmentType Environment = UnknownEnvironment;
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|   if (Components.size() > 3)
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|     Environment = parseEnvironment(Components[3]);
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| 
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|   // Note which components are already in their final position.  These will not
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|   // be moved.
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|   bool Found[4];
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|   Found[0] = Arch != UnknownArch;
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|   Found[1] = Vendor != UnknownVendor;
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|   Found[2] = OS != UnknownOS;
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|   Found[3] = Environment != UnknownEnvironment;
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| 
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|   // If they are not there already, permute the components into their canonical
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|   // positions by seeing if they parse as a valid architecture, and if so moving
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|   // the component to the architecture position etc.
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|   for (unsigned Pos = 0; Pos != array_lengthof(Found); ++Pos) {
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|     if (Found[Pos])
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|       continue; // Already in the canonical position.
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| 
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|     for (unsigned Idx = 0; Idx != Components.size(); ++Idx) {
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|       // Do not reparse any components that already matched.
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|       if (Idx < array_lengthof(Found) && Found[Idx])
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|         continue;
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| 
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|       // Does this component parse as valid for the target position?
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|       bool Valid = false;
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|       StringRef Comp = Components[Idx];
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|       switch (Pos) {
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|       default: llvm_unreachable("unexpected component type!");
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|       case 0:
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|         Arch = parseArch(Comp);
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|         Valid = Arch != UnknownArch;
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|         break;
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|       case 1:
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|         Vendor = parseVendor(Comp);
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|         Valid = Vendor != UnknownVendor;
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|         break;
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|       case 2:
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|         OS = parseOS(Comp);
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|         Valid = OS != UnknownOS;
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|         break;
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|       case 3:
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|         Environment = parseEnvironment(Comp);
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|         Valid = Environment != UnknownEnvironment;
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|         break;
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|       }
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|       if (!Valid)
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|         continue; // Nope, try the next component.
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| 
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|       // Move the component to the target position, pushing any non-fixed
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|       // components that are in the way to the right.  This tends to give
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|       // good results in the common cases of a forgotten vendor component
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|       // or a wrongly positioned environment.
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|       if (Pos < Idx) {
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|         // Insert left, pushing the existing components to the right.  For
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|         // example, a-b-i386 -> i386-a-b when moving i386 to the front.
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|         StringRef CurrentComponent(""); // The empty component.
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|         // Replace the component we are moving with an empty component.
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|         std::swap(CurrentComponent, Components[Idx]);
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|         // Insert the component being moved at Pos, displacing any existing
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|         // components to the right.
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|         for (unsigned i = Pos; !CurrentComponent.empty(); ++i) {
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|           // Skip over any fixed components.
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|           while (i < array_lengthof(Found) && Found[i])
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|             ++i;
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|           // Place the component at the new position, getting the component
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|           // that was at this position - it will be moved right.
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|           std::swap(CurrentComponent, Components[i]);
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|         }
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|       } else if (Pos > Idx) {
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|         // Push right by inserting empty components until the component at Idx
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|         // reaches the target position Pos.  For example, pc-a -> -pc-a when
 | |
|         // moving pc to the second position.
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|         do {
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|           // Insert one empty component at Idx.
 | |
|           StringRef CurrentComponent(""); // The empty component.
 | |
|           for (unsigned i = Idx; i < Components.size();) {
 | |
|             // Place the component at the new position, getting the component
 | |
|             // that was at this position - it will be moved right.
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|             std::swap(CurrentComponent, Components[i]);
 | |
|             // If it was placed on top of an empty component then we are done.
 | |
|             if (CurrentComponent.empty())
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|               break;
 | |
|             // Advance to the next component, skipping any fixed components.
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|             while (++i < array_lengthof(Found) && Found[i])
 | |
|               ;
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|           }
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|           // The last component was pushed off the end - append it.
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|           if (!CurrentComponent.empty())
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|             Components.push_back(CurrentComponent);
 | |
| 
 | |
|           // Advance Idx to the component's new position.
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|           while (++Idx < array_lengthof(Found) && Found[Idx])
 | |
|             ;
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|         } while (Idx < Pos); // Add more until the final position is reached.
 | |
|       }
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|       assert(Pos < Components.size() && Components[Pos] == Comp &&
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|              "Component moved wrong!");
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|       Found[Pos] = true;
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|       break;
 | |
|     }
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|   }
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| 
 | |
|   // Special case logic goes here.  At this point Arch, Vendor and OS have the
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|   // correct values for the computed components.
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| 
 | |
|   // Stick the corrected components back together to form the normalized string.
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|   std::string Normalized;
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|   for (unsigned i = 0, e = Components.size(); i != e; ++i) {
 | |
|     if (i) Normalized += '-';
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|     Normalized += Components[i];
 | |
|   }
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|   return Normalized;
 | |
| }
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| 
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| StringRef Triple::getArchName() const {
 | |
|   return StringRef(Data).split('-').first;           // Isolate first component
 | |
| }
 | |
| 
 | |
| StringRef Triple::getVendorName() const {
 | |
|   StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
 | |
|   return Tmp.split('-').first;                       // Isolate second component
 | |
| }
 | |
| 
 | |
| StringRef Triple::getOSName() const {
 | |
|   StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
 | |
|   Tmp = Tmp.split('-').second;                       // Strip second component
 | |
|   return Tmp.split('-').first;                       // Isolate third component
 | |
| }
 | |
| 
 | |
| StringRef Triple::getEnvironmentName() const {
 | |
|   StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
 | |
|   Tmp = Tmp.split('-').second;                       // Strip second component
 | |
|   return Tmp.split('-').second;                      // Strip third component
 | |
| }
 | |
| 
 | |
| StringRef Triple::getOSAndEnvironmentName() const {
 | |
|   StringRef Tmp = StringRef(Data).split('-').second; // Strip first component
 | |
|   return Tmp.split('-').second;                      // Strip second component
 | |
| }
 | |
| 
 | |
| static unsigned EatNumber(StringRef &Str) {
 | |
|   assert(!Str.empty() && Str[0] >= '0' && Str[0] <= '9' && "Not a number");
 | |
|   unsigned Result = 0;
 | |
| 
 | |
|   do {
 | |
|     // Consume the leading digit.
 | |
|     Result = Result*10 + (Str[0] - '0');
 | |
| 
 | |
|     // Eat the digit.
 | |
|     Str = Str.substr(1);
 | |
|   } while (!Str.empty() && Str[0] >= '0' && Str[0] <= '9');
 | |
| 
 | |
|   return Result;
 | |
| }
 | |
| 
 | |
| void Triple::getOSVersion(unsigned &Major, unsigned &Minor,
 | |
|                           unsigned &Micro) const {
 | |
|   StringRef OSName = getOSName();
 | |
| 
 | |
|   // Assume that the OS portion of the triple starts with the canonical name.
 | |
|   StringRef OSTypeName = getOSTypeName(getOS());
 | |
|   if (OSName.startswith(OSTypeName))
 | |
|     OSName = OSName.substr(OSTypeName.size());
 | |
| 
 | |
|   // Any unset version defaults to 0.
 | |
|   Major = Minor = Micro = 0;
 | |
| 
 | |
|   // Parse up to three components.
 | |
|   unsigned *Components[3] = { &Major, &Minor, &Micro };
 | |
|   for (unsigned i = 0; i != 3; ++i) {
 | |
|     if (OSName.empty() || OSName[0] < '0' || OSName[0] > '9')
 | |
|       break;
 | |
| 
 | |
|     // Consume the leading number.
 | |
|     *Components[i] = EatNumber(OSName);
 | |
| 
 | |
|     // Consume the separator, if present.
 | |
|     if (OSName.startswith("."))
 | |
|       OSName = OSName.substr(1);
 | |
|   }
 | |
| }
 | |
| 
 | |
| bool Triple::getMacOSXVersion(unsigned &Major, unsigned &Minor,
 | |
|                               unsigned &Micro) const {
 | |
|   getOSVersion(Major, Minor, Micro);
 | |
| 
 | |
|   switch (getOS()) {
 | |
|   default: llvm_unreachable("unexpected OS for Darwin triple");
 | |
|   case Darwin:
 | |
|     // Default to darwin8, i.e., MacOSX 10.4.
 | |
|     if (Major == 0)
 | |
|       Major = 8;
 | |
|     // Darwin version numbers are skewed from OS X versions.
 | |
|     if (Major < 4)
 | |
|       return false;
 | |
|     Micro = 0;
 | |
|     Minor = Major - 4;
 | |
|     Major = 10;
 | |
|     break;
 | |
|   case MacOSX:
 | |
|     // Default to 10.4.
 | |
|     if (Major == 0) {
 | |
|       Major = 10;
 | |
|       Minor = 4;
 | |
|     }
 | |
|     if (Major != 10)
 | |
|       return false;
 | |
|     break;
 | |
|   case IOS:
 | |
|     // Ignore the version from the triple.  This is only handled because the
 | |
|     // the clang driver combines OS X and IOS support into a common Darwin
 | |
|     // toolchain that wants to know the OS X version number even when targeting
 | |
|     // IOS.
 | |
|     Major = 10;
 | |
|     Minor = 4;
 | |
|     Micro = 0;
 | |
|     break;
 | |
|   }
 | |
|   return true;
 | |
| }
 | |
| 
 | |
| void Triple::getiOSVersion(unsigned &Major, unsigned &Minor,
 | |
|                            unsigned &Micro) const {
 | |
|   switch (getOS()) {
 | |
|   default: llvm_unreachable("unexpected OS for Darwin triple");
 | |
|   case Darwin:
 | |
|   case MacOSX:
 | |
|     // Ignore the version from the triple.  This is only handled because the
 | |
|     // the clang driver combines OS X and IOS support into a common Darwin
 | |
|     // toolchain that wants to know the iOS version number even when targeting
 | |
|     // OS X.
 | |
|     Major = 3;
 | |
|     Minor = 0;
 | |
|     Micro = 0;
 | |
|     break;
 | |
|   case IOS:
 | |
|     getOSVersion(Major, Minor, Micro);
 | |
|     // Default to 3.0.
 | |
|     if (Major == 0)
 | |
|       Major = 3;
 | |
|     break;
 | |
|   }
 | |
| }
 | |
| 
 | |
| void Triple::setTriple(const Twine &Str) {
 | |
|   *this = Triple(Str);
 | |
| }
 | |
| 
 | |
| void Triple::setArch(ArchType Kind) {
 | |
|   setArchName(getArchTypeName(Kind));
 | |
| }
 | |
| 
 | |
| void Triple::setVendor(VendorType Kind) {
 | |
|   setVendorName(getVendorTypeName(Kind));
 | |
| }
 | |
| 
 | |
| void Triple::setOS(OSType Kind) {
 | |
|   setOSName(getOSTypeName(Kind));
 | |
| }
 | |
| 
 | |
| void Triple::setEnvironment(EnvironmentType Kind) {
 | |
|   setEnvironmentName(getEnvironmentTypeName(Kind));
 | |
| }
 | |
| 
 | |
| void Triple::setArchName(StringRef Str) {
 | |
|   // Work around a miscompilation bug for Twines in gcc 4.0.3.
 | |
|   SmallString<64> Triple;
 | |
|   Triple += Str;
 | |
|   Triple += "-";
 | |
|   Triple += getVendorName();
 | |
|   Triple += "-";
 | |
|   Triple += getOSAndEnvironmentName();
 | |
|   setTriple(Triple.str());
 | |
| }
 | |
| 
 | |
| void Triple::setVendorName(StringRef Str) {
 | |
|   setTriple(getArchName() + "-" + Str + "-" + getOSAndEnvironmentName());
 | |
| }
 | |
| 
 | |
| void Triple::setOSName(StringRef Str) {
 | |
|   if (hasEnvironment())
 | |
|     setTriple(getArchName() + "-" + getVendorName() + "-" + Str +
 | |
|               "-" + getEnvironmentName());
 | |
|   else
 | |
|     setTriple(getArchName() + "-" + getVendorName() + "-" + Str);
 | |
| }
 | |
| 
 | |
| void Triple::setEnvironmentName(StringRef Str) {
 | |
|   setTriple(getArchName() + "-" + getVendorName() + "-" + getOSName() +
 | |
|             "-" + Str);
 | |
| }
 | |
| 
 | |
| void Triple::setOSAndEnvironmentName(StringRef Str) {
 | |
|   setTriple(getArchName() + "-" + getVendorName() + "-" + Str);
 | |
| }
 | |
| 
 | |
| static unsigned getArchPointerBitWidth(llvm::Triple::ArchType Arch) {
 | |
|   switch (Arch) {
 | |
|   case llvm::Triple::UnknownArch:
 | |
|     return 0;
 | |
| 
 | |
|   case llvm::Triple::msp430:
 | |
|     return 16;
 | |
| 
 | |
|   case llvm::Triple::amdil:
 | |
|   case llvm::Triple::arm:
 | |
|   case llvm::Triple::hexagon:
 | |
|   case llvm::Triple::le32:
 | |
|   case llvm::Triple::mblaze:
 | |
|   case llvm::Triple::mips:
 | |
|   case llvm::Triple::mipsel:
 | |
|   case llvm::Triple::nvptx:
 | |
|   case llvm::Triple::ppc:
 | |
|   case llvm::Triple::r600:
 | |
|   case llvm::Triple::sparc:
 | |
|   case llvm::Triple::tce:
 | |
|   case llvm::Triple::thumb:
 | |
|   case llvm::Triple::x86:
 | |
|   case llvm::Triple::xcore:
 | |
|   case llvm::Triple::spir:
 | |
|     return 32;
 | |
| 
 | |
|   case llvm::Triple::mips64:
 | |
|   case llvm::Triple::mips64el:
 | |
|   case llvm::Triple::nvptx64:
 | |
|   case llvm::Triple::ppc64:
 | |
|   case llvm::Triple::sparcv9:
 | |
|   case llvm::Triple::x86_64:
 | |
|   case llvm::Triple::spir64:
 | |
|     return 64;
 | |
|   }
 | |
|   llvm_unreachable("Invalid architecture value");
 | |
| }
 | |
| 
 | |
| bool Triple::isArch64Bit() const {
 | |
|   return getArchPointerBitWidth(getArch()) == 64;
 | |
| }
 | |
| 
 | |
| bool Triple::isArch32Bit() const {
 | |
|   return getArchPointerBitWidth(getArch()) == 32;
 | |
| }
 | |
| 
 | |
| bool Triple::isArch16Bit() const {
 | |
|   return getArchPointerBitWidth(getArch()) == 16;
 | |
| }
 | |
| 
 | |
| Triple Triple::get32BitArchVariant() const {
 | |
|   Triple T(*this);
 | |
|   switch (getArch()) {
 | |
|   case Triple::UnknownArch:
 | |
|   case Triple::msp430:
 | |
|     T.setArch(UnknownArch);
 | |
|     break;
 | |
| 
 | |
|   case Triple::amdil:
 | |
|   case Triple::spir:
 | |
|   case Triple::arm:
 | |
|   case Triple::hexagon:
 | |
|   case Triple::le32:
 | |
|   case Triple::mblaze:
 | |
|   case Triple::mips:
 | |
|   case Triple::mipsel:
 | |
|   case Triple::nvptx:
 | |
|   case Triple::ppc:
 | |
|   case Triple::r600:
 | |
|   case Triple::sparc:
 | |
|   case Triple::tce:
 | |
|   case Triple::thumb:
 | |
|   case Triple::x86:
 | |
|   case Triple::xcore:
 | |
|     // Already 32-bit.
 | |
|     break;
 | |
| 
 | |
|   case Triple::mips64:    T.setArch(Triple::mips);    break;
 | |
|   case Triple::mips64el:  T.setArch(Triple::mipsel);  break;
 | |
|   case Triple::nvptx64:   T.setArch(Triple::nvptx);   break;
 | |
|   case Triple::ppc64:     T.setArch(Triple::ppc);   break;
 | |
|   case Triple::sparcv9:   T.setArch(Triple::sparc);   break;
 | |
|   case Triple::x86_64:    T.setArch(Triple::x86);     break;
 | |
|   case Triple::spir64:    T.setArch(Triple::spir);    break;
 | |
|   }
 | |
|   return T;
 | |
| }
 | |
| 
 | |
| Triple Triple::get64BitArchVariant() const {
 | |
|   Triple T(*this);
 | |
|   switch (getArch()) {
 | |
|   case Triple::UnknownArch:
 | |
|   case Triple::amdil:
 | |
|   case Triple::arm:
 | |
|   case Triple::hexagon:
 | |
|   case Triple::le32:
 | |
|   case Triple::mblaze:
 | |
|   case Triple::msp430:
 | |
|   case Triple::r600:
 | |
|   case Triple::tce:
 | |
|   case Triple::thumb:
 | |
|   case Triple::xcore:
 | |
|     T.setArch(UnknownArch);
 | |
|     break;
 | |
| 
 | |
|   case Triple::spir64:
 | |
|   case Triple::mips64:
 | |
|   case Triple::mips64el:
 | |
|   case Triple::nvptx64:
 | |
|   case Triple::ppc64:
 | |
|   case Triple::sparcv9:
 | |
|   case Triple::x86_64:
 | |
|     // Already 64-bit.
 | |
|     break;
 | |
| 
 | |
|   case Triple::mips:    T.setArch(Triple::mips64);    break;
 | |
|   case Triple::mipsel:  T.setArch(Triple::mips64el);  break;
 | |
|   case Triple::nvptx:   T.setArch(Triple::nvptx64);   break;
 | |
|   case Triple::ppc:     T.setArch(Triple::ppc64);     break;
 | |
|   case Triple::sparc:   T.setArch(Triple::sparcv9);   break;
 | |
|   case Triple::x86:     T.setArch(Triple::x86_64);    break;
 | |
|   case Triple::spir:    T.setArch(Triple::spir64);    break;
 | |
|   }
 | |
|   return T;
 | |
| }
 |