X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FSupport%2FTriple.cpp;h=c7ad7b7611178654f9c3fb1f494ece852ddff2e7;hb=a75ce9f5d2236d93c117e861e60e6f3f748c9555;hp=840fb98fe9f97883329a8d934a942b3369ac7604;hpb=51cdac02c4125b8545728eb30ab5f54e437d6377;p=oota-llvm.git diff --git a/lib/Support/Triple.cpp b/lib/Support/Triple.cpp index 840fb98fe9f..c7ad7b76111 100644 --- a/lib/Support/Triple.cpp +++ b/lib/Support/Triple.cpp @@ -10,6 +10,7 @@ #include "llvm/ADT/Triple.h" #include "llvm/ADT/SmallString.h" +#include "llvm/ADT/STLExtras.h" #include "llvm/ADT/Twine.h" #include #include @@ -21,7 +22,7 @@ const char *Triple::getArchTypeName(ArchType Kind) { switch (Kind) { case InvalidArch: return ""; case UnknownArch: return "unknown"; - + case alpha: return "alpha"; case arm: return "arm"; case bfin: return "bfin"; @@ -29,16 +30,18 @@ const char *Triple::getArchTypeName(ArchType Kind) { case mips: return "mips"; case mipsel: return "mipsel"; case msp430: return "msp430"; - case pic16: return "pic16"; case ppc64: return "powerpc64"; case ppc: return "powerpc"; case sparc: return "sparc"; + case sparcv9: return "sparcv9"; case systemz: return "s390x"; case tce: return "tce"; case thumb: return "thumb"; case x86: return "i386"; case x86_64: return "x86_64"; case xcore: return "xcore"; + case mblaze: return "mblaze"; + case ptx: return "ptx"; } return ""; @@ -61,11 +64,17 @@ const char *Triple::getArchTypePrefix(ArchType Kind) { case ppc64: case ppc: return "ppc"; + case mblaze: return "mblaze"; + + case sparcv9: case sparc: return "sparc"; case x86: case x86_64: return "x86"; + case xcore: return "xcore"; + + case ptx: return "ptx"; } } @@ -90,6 +99,7 @@ const char *Triple::getOSTypeName(OSType Kind) { case DragonFly: return "dragonfly"; case FreeBSD: return "freebsd"; case Linux: return "linux"; + case Lv2: return "lv2"; case MinGW32: return "mingw32"; case MinGW64: return "mingw64"; case NetBSD: return "netbsd"; @@ -98,6 +108,15 @@ const char *Triple::getOSTypeName(OSType Kind) { case Solaris: return "solaris"; case Win32: return "win32"; case Haiku: return "haiku"; + case Minix: return "minix"; + } + + return ""; +} + +const char *Triple::getEnvironmentTypeName(EnvironmentType Kind) { + switch (Kind) { + case UnknownEnvironment: return "unknown"; } return ""; @@ -118,14 +137,16 @@ Triple::ArchType Triple::getArchTypeForLLVMName(StringRef Name) { return mipsel; if (Name == "msp430") return msp430; - if (Name == "pic16") - return pic16; if (Name == "ppc64") return ppc64; if (Name == "ppc") return ppc; + if (Name == "mblaze") + return mblaze; if (Name == "sparc") return sparc; + if (Name == "sparcv9") + return sparcv9; if (Name == "systemz") return systemz; if (Name == "tce") @@ -138,6 +159,8 @@ Triple::ArchType Triple::getArchTypeForLLVMName(StringRef Name) { return x86_64; if (Name == "xcore") return xcore; + if (Name == "ptx") + return ptx; return UnknownArch; } @@ -176,10 +199,13 @@ Triple::ArchType Triple::getArchTypeForDarwinArchName(StringRef Str) { Str == "armv6" || Str == "armv7") return Triple::arm; + if (Str == "ptx") + return Triple::ptx; + return Triple::UnknownArch; } -// Returns architecture name that is unsderstood by the target assembler. +// Returns architecture name that is understood by the target assembler. const char *Triple::getArchNameForAssembler() { if (getOS() != Triple::Darwin && getVendor() != Triple::Apple) return NULL; @@ -193,128 +219,271 @@ const char *Triple::getArchNameForAssembler() { return "ppc"; if (Str == "powerpc64") return "ppc64"; + if (Str == "mblaze" || Str == "microblaze") + return "mblaze"; if (Str == "arm") return "arm"; if (Str == "armv4t" || Str == "thumbv4t") return "armv4t"; - if (Str == "armv5" || Str == "armv5e" || Str == "thumbv5" || Str == "thumbv5e") + if (Str == "armv5" || Str == "armv5e" || Str == "thumbv5" + || Str == "thumbv5e") return "armv5"; if (Str == "armv6" || Str == "thumbv6") return "armv6"; if (Str == "armv7" || Str == "thumbv7") return "armv7"; + if (Str == "ptx") + return "ptx"; return NULL; } // -void Triple::Parse() const { - assert(!isInitialized() && "Invalid parse call."); - - StringRef ArchName = getArchName(); - StringRef VendorName = getVendorName(); - StringRef OSName = getOSName(); - - if (ArchName.size() == 4 && ArchName[0] == 'i' && - ArchName[2] == '8' && ArchName[3] == '6' && +Triple::ArchType Triple::ParseArch(StringRef ArchName) { + if (ArchName.size() == 4 && ArchName[0] == 'i' && + ArchName[2] == '8' && ArchName[3] == '6' && ArchName[1] - '3' < 6) // i[3-9]86 - Arch = x86; + return x86; else if (ArchName == "amd64" || ArchName == "x86_64") - Arch = x86_64; + return x86_64; else if (ArchName == "bfin") - Arch = bfin; - else if (ArchName == "pic16") - Arch = pic16; + return bfin; else if (ArchName == "powerpc") - Arch = ppc; - else if (ArchName == "powerpc64") - Arch = ppc64; + return ppc; + else if ((ArchName == "powerpc64") || (ArchName == "ppu")) + return ppc64; + else if (ArchName == "mblaze") + return mblaze; else if (ArchName == "arm" || ArchName.startswith("armv") || ArchName == "xscale") - Arch = arm; + return arm; else if (ArchName == "thumb" || ArchName.startswith("thumbv")) - Arch = thumb; + return thumb; else if (ArchName.startswith("alpha")) - Arch = alpha; + return alpha; else if (ArchName == "spu" || ArchName == "cellspu") - Arch = cellspu; + return cellspu; else if (ArchName == "msp430") - Arch = msp430; + return msp430; else if (ArchName == "mips" || ArchName == "mipsallegrex") - Arch = mips; + return mips; else if (ArchName == "mipsel" || ArchName == "mipsallegrexel" || ArchName == "psp") - Arch = mipsel; + return mipsel; else if (ArchName == "sparc") - Arch = sparc; + return sparc; + else if (ArchName == "sparcv9") + return sparcv9; else if (ArchName == "s390x") - Arch = systemz; + return systemz; else if (ArchName == "tce") - Arch = tce; + return tce; else if (ArchName == "xcore") - Arch = xcore; + return xcore; + else if (ArchName == "ptx") + return ptx; else - Arch = UnknownArch; - - - // Handle some exceptional cases where the OS / environment components are - // stuck into the vendor field. - if (StringRef(getTriple()).count('-') == 1) { - StringRef VendorName = getVendorName(); - - if (VendorName.startswith("mingw32")) { // 'i386-mingw32', etc. - Vendor = PC; - OS = MinGW32; - return; - } - - // arm-elf is another example, but we don't currently parse anything about - // the environment. - } + return UnknownArch; +} +Triple::VendorType Triple::ParseVendor(StringRef VendorName) { if (VendorName == "apple") - Vendor = Apple; + return Apple; else if (VendorName == "pc") - Vendor = PC; + return PC; else - Vendor = UnknownVendor; + return UnknownVendor; +} +Triple::OSType Triple::ParseOS(StringRef OSName) { if (OSName.startswith("auroraux")) - OS = AuroraUX; + return AuroraUX; else if (OSName.startswith("cygwin")) - OS = Cygwin; + return Cygwin; else if (OSName.startswith("darwin")) - OS = Darwin; + return Darwin; else if (OSName.startswith("dragonfly")) - OS = DragonFly; + return DragonFly; else if (OSName.startswith("freebsd")) - OS = FreeBSD; + return FreeBSD; else if (OSName.startswith("linux")) - OS = Linux; + return Linux; + else if (OSName.startswith("lv2")) + return Lv2; else if (OSName.startswith("mingw32")) - OS = MinGW32; + return MinGW32; else if (OSName.startswith("mingw64")) - OS = MinGW64; + return MinGW64; else if (OSName.startswith("netbsd")) - OS = NetBSD; + return NetBSD; else if (OSName.startswith("openbsd")) - OS = OpenBSD; + return OpenBSD; else if (OSName.startswith("psp")) - OS = Psp; + return Psp; else if (OSName.startswith("solaris")) - OS = Solaris; + return Solaris; else if (OSName.startswith("win32")) - OS = Win32; + return Win32; else if (OSName.startswith("haiku")) - OS = Haiku; + return Haiku; + else if (OSName.startswith("minix")) + return Minix; else - OS = UnknownOS; + return UnknownOS; +} + +Triple::EnvironmentType Triple::ParseEnvironment(StringRef EnvironmentName) { + return UnknownEnvironment; +} + +void Triple::Parse() const { + assert(!isInitialized() && "Invalid parse call."); + + Arch = ParseArch(getArchName()); + Vendor = ParseVendor(getVendorName()); + OS = ParseOS(getOSName()); + Environment = ParseEnvironment(getEnvironmentName()); assert(isInitialized() && "Failed to initialize!"); } +std::string Triple::normalize(StringRef Str) { + // Parse into components. + SmallVector Components; + for (size_t First = 0, Last = 0; Last != StringRef::npos; First = Last + 1) { + Last = Str.find('-', First); + Components.push_back(Str.slice(First, Last)); + } + + // If the first component corresponds to a known architecture, preferentially + // use it for the architecture. If the second component corresponds to a + // known vendor, preferentially use it for the vendor, etc. This avoids silly + // component movement when a component parses as (eg) both a valid arch and a + // valid os. + ArchType Arch = UnknownArch; + if (Components.size() > 0) + Arch = ParseArch(Components[0]); + VendorType Vendor = UnknownVendor; + if (Components.size() > 1) + Vendor = ParseVendor(Components[1]); + OSType OS = UnknownOS; + if (Components.size() > 2) + OS = ParseOS(Components[2]); + EnvironmentType Environment = UnknownEnvironment; + if (Components.size() > 3) + Environment = ParseEnvironment(Components[3]); + + // Note which components are already in their final position. These will not + // be moved. + bool Found[4]; + Found[0] = Arch != UnknownArch; + Found[1] = Vendor != UnknownVendor; + Found[2] = OS != UnknownOS; + Found[3] = Environment != UnknownEnvironment; + + // If they are not there already, permute the components into their canonical + // positions by seeing if they parse as a valid architecture, and if so moving + // the component to the architecture position etc. + for (unsigned Pos = 0; Pos != array_lengthof(Found); ++Pos) { + if (Found[Pos]) + continue; // Already in the canonical position. + + for (unsigned Idx = 0; Idx != Components.size(); ++Idx) { + // Do not reparse any components that already matched. + if (Idx < array_lengthof(Found) && Found[Idx]) + continue; + + // Does this component parse as valid for the target position? + bool Valid = false; + StringRef Comp = Components[Idx]; + switch (Pos) { + default: + assert(false && "unexpected component type!"); + case 0: + Arch = ParseArch(Comp); + Valid = Arch != UnknownArch; + break; + case 1: + Vendor = ParseVendor(Comp); + Valid = Vendor != UnknownVendor; + break; + case 2: + OS = ParseOS(Comp); + Valid = OS != UnknownOS; + break; + case 3: + Environment = ParseEnvironment(Comp); + Valid = Environment != UnknownEnvironment; + break; + } + if (!Valid) + continue; // Nope, try the next component. + + // Move the component to the target position, pushing any non-fixed + // components that are in the way to the right. This tends to give + // good results in the common cases of a forgotten vendor component + // or a wrongly positioned environment. + if (Pos < Idx) { + // Insert left, pushing the existing components to the right. For + // example, a-b-i386 -> i386-a-b when moving i386 to the front. + StringRef CurrentComponent(""); // The empty component. + // Replace the component we are moving with an empty component. + std::swap(CurrentComponent, Components[Idx]); + // Insert the component being moved at Pos, displacing any existing + // components to the right. + for (unsigned i = Pos; !CurrentComponent.empty(); ++i) { + // Skip over any fixed components. + while (i < array_lengthof(Found) && Found[i]) ++i; + // Place the component at the new position, getting the component + // that was at this position - it will be moved right. + std::swap(CurrentComponent, Components[i]); + } + } else if (Pos > Idx) { + // Push right by inserting empty components until the component at Idx + // reaches the target position Pos. For example, pc-a -> -pc-a when + // moving pc to the second position. + do { + // Insert one empty component at Idx. + StringRef CurrentComponent(""); // The empty component. + for (unsigned i = Idx; i < Components.size(); ++i) { + // Skip over any fixed components. + while (i < array_lengthof(Found) && Found[i]) ++i; + // Place the component at the new position, getting the component + // that was at this position - it will be moved right. + std::swap(CurrentComponent, Components[i]); + // If it was placed on top of an empty component then we are done. + if (CurrentComponent.empty()) + break; + } + // The last component was pushed off the end - append it. + if (!CurrentComponent.empty()) + Components.push_back(CurrentComponent); + + // Advance Idx to the component's new position. + while (++Idx < array_lengthof(Found) && Found[Idx]) {} + } while (Idx < Pos); // Add more until the final position is reached. + } + assert(Pos < Components.size() && Components[Pos] == Comp && + "Component moved wrong!"); + Found[Pos] = true; + break; + } + } + + // Special case logic goes here. At this point Arch, Vendor and OS have the + // correct values for the computed components. + + // Stick the corrected components back together to form the normalized string. + std::string Normalized; + for (unsigned i = 0, e = Components.size(); i != e; ++i) { + if (i) Normalized += '-'; + Normalized += Components[i]; + } + return Normalized; +} + StringRef Triple::getArchName() const { return StringRef(Data).split('-').first; // Isolate first component } @@ -344,17 +513,17 @@ StringRef Triple::getOSAndEnvironmentName() const { static unsigned EatNumber(StringRef &Str) { assert(!Str.empty() && Str[0] >= '0' && Str[0] <= '9' && "Not a number"); unsigned Result = Str[0]-'0'; - + // Eat the digit. Str = Str.substr(1); - + // Handle "darwin11". if (Result == 1 && !Str.empty() && Str[0] >= '0' && Str[0] <= '9') { Result = Result*10 + (Str[0] - '0'); // Eat the digit. Str = Str.substr(1); } - + return Result; } @@ -367,10 +536,10 @@ void Triple::getDarwinNumber(unsigned &Maj, unsigned &Min, assert(getOS() == Darwin && "Not a darwin target triple!"); StringRef OSName = getOSName(); assert(OSName.startswith("darwin") && "Unknown darwin target triple!"); - + // Strip off "darwin". OSName = OSName.substr(6); - + Maj = Min = Revision = 0; if (OSName.empty() || OSName[0] < '0' || OSName[0] > '9') @@ -379,27 +548,27 @@ void Triple::getDarwinNumber(unsigned &Maj, unsigned &Min, // The major version is the first digit. Maj = EatNumber(OSName); if (OSName.empty()) return; - + // Handle minor version: 10.4.9 -> darwin8.9. if (OSName[0] != '.') return; - + // Eat the '.'. OSName = OSName.substr(1); if (OSName.empty() || OSName[0] < '0' || OSName[0] > '9') return; - + Min = EatNumber(OSName); if (OSName.empty()) return; // Handle revision darwin8.9.1 if (OSName[0] != '.') return; - + // Eat the '.'. OSName = OSName.substr(1); - + if (OSName.empty() || OSName[0] < '0' || OSName[0] > '9') return; @@ -423,6 +592,10 @@ 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;