Drop the udis86 wrapper from llvm::sys

[oota-llvm.git] / lib / Support / Triple.cpp

diff --git a/lib/Support/Triple.cpp b/lib/Support/Triple.cpp
index 1dc279a0db4faa8ad1c83ad5217a1ccef2a6b04a..2b8b39782ccdbdfcbb1b5587a0399cb28a2f7a2d 100644 (file)
--- a/lib/Support/Triple.cpp
+++ b/lib/Support/Triple.cpp
@@ -24,6 +24,7 @@ const char *Triple::getArchTypeName(ArchType Kind) {
   case arm:         return "arm";
   case armeb:       return "armeb";
   case arm64:       return "arm64";
+  case arm64_be:    return "arm64_be";
   case hexagon:     return "hexagon";
   case mips:        return "mips";
   case mipsel:      return "mipsel";
@@ -49,6 +50,7 @@ const char *Triple::getArchTypeName(ArchType Kind) {
   case amdil:       return "amdil";
   case spir:        return "spir";
   case spir64:      return "spir64";
+  case kalimba:     return "kalimba";
   }
 
   llvm_unreachable("Invalid ArchType!");
@@ -57,8 +59,10 @@ const char *Triple::getArchTypeName(ArchType Kind) {
 const char *Triple::getArchTypePrefix(ArchType Kind) {
   switch (Kind) {
   default:
-    return 0;
+    return nullptr;
 
+  case arm64:
+  case arm64_be:
   case aarch64:
   case aarch64_be:  return "aarch64";
 
@@ -67,8 +71,6 @@ const char *Triple::getArchTypePrefix(ArchType Kind) {
   case thumb:
   case thumbeb:     return "arm";
 
-  case arm64:       return "arm64";
-
   case ppc64:
   case ppc64le:
   case ppc:         return "ppc";
@@ -99,6 +101,7 @@ const char *Triple::getArchTypePrefix(ArchType Kind) {
   case amdil:       return "amdil";
   case spir:        return "spir";
   case spir64:      return "spir";
+  case kalimba:     return "kalimba";
   }
 }
 
@@ -113,7 +116,9 @@ const char *Triple::getVendorTypeName(VendorType Kind) {
   case BGQ: return "bgq";
   case Freescale: return "fsl";
   case IBM: return "ibm";
+  case ImaginationTechnologies: return "img";
   case NVIDIA: return "nvidia";
+  case CSR: return "csr";
   }
 
   llvm_unreachable("Invalid VendorType!");
@@ -178,6 +183,7 @@ Triple::ArchType Triple::getArchTypeForLLVMName(StringRef Name) {
     .Case("arm", arm)
     .Case("armeb", armeb)
     .Case("arm64", arm64)
+    .Case("arm64_be", arm64_be)
     .Case("mips", mips)
     .Case("mipsel", mipsel)
     .Case("mips64", mips64)
@@ -204,13 +210,14 @@ Triple::ArchType Triple::getArchTypeForLLVMName(StringRef Name) {
     .Case("amdil", amdil)
     .Case("spir", spir)
     .Case("spir64", spir64)
+    .Case("kalimba", kalimba)
     .Default(UnknownArch);
 }
 
 // Returns architecture name that is understood by the target assembler.
 const char *Triple::getArchNameForAssembler() {
   if (!isOSDarwin() && getVendor() != Triple::Apple)
-    return NULL;
+    return nullptr;
 
   return StringSwitch<const char*>(getArchName())
     .Case("i386", "i386")
@@ -225,6 +232,7 @@ const char *Triple::getArchNameForAssembler() {
     .Cases("armv7", "thumbv7", "armv7")
     .Case("armeb", "armeb")
     .Case("arm64", "arm64")
+    .Case("arm64_be", "arm64")
     .Case("r600", "r600")
     .Case("nvptx", "nvptx")
     .Case("nvptx64", "nvptx64")
@@ -232,7 +240,7 @@ const char *Triple::getArchNameForAssembler() {
     .Case("amdil", "amdil")
     .Case("spir", "spir")
     .Case("spir64", "spir64")
-    .Default(NULL);
+    .Default(nullptr);
 }
 
 static Triple::ArchType parseArch(StringRef ArchName) {
@@ -257,6 +265,7 @@ static Triple::ArchType parseArch(StringRef ArchName) {
     .Case("thumbeb", Triple::thumbeb)
     .StartsWith("thumbebv", Triple::thumbeb)
     .Case("arm64", Triple::arm64)
+    .Case("arm64_be", Triple::arm64_be)
     .Case("msp430", Triple::msp430)
     .Cases("mips", "mipseb", "mipsallegrex", Triple::mips)
     .Cases("mipsel", "mipsallegrexel", Triple::mipsel)
@@ -275,6 +284,7 @@ static Triple::ArchType parseArch(StringRef ArchName) {
     .Case("amdil", Triple::amdil)
     .Case("spir", Triple::spir)
     .Case("spir64", Triple::spir64)
+    .Case("kalimba", Triple::kalimba)
     .Default(Triple::UnknownArch);
 }
 
@@ -287,7 +297,9 @@ static Triple::VendorType parseVendor(StringRef VendorName) {
     .Case("bgq", Triple::BGQ)
     .Case("fsl", Triple::Freescale)
     .Case("ibm", Triple::IBM)
+    .Case("img", Triple::ImaginationTechnologies)
     .Case("nvidia", Triple::NVIDIA)
+    .Case("csr", Triple::CSR)
     .Default(Triple::UnknownVendor);
 }
 
@@ -547,24 +559,27 @@ std::string Triple::normalize(StringRef Str) {
     Components.resize(4);
     Components[2] = "windows";
     if (Environment == UnknownEnvironment) {
-      if (ObjectFormat == UnknownObjectFormat)
+      if (ObjectFormat == UnknownObjectFormat || ObjectFormat == Triple::COFF)
         Components[3] = "msvc";
       else
         Components[3] = getObjectFormatTypeName(ObjectFormat);
-    } else if (ObjectFormat != UnknownObjectFormat &&
-               ObjectFormat != Triple::COFF) {
-      Components.resize(5);
-      Components[4] = getObjectFormatTypeName(ObjectFormat);
     }
   } else if (OS == Triple::MinGW32) {
     Components.resize(4);
     Components[2] = "windows";
-    Components[3] = (ObjectFormat == Triple::ELF) ? "gnuelf" : "gnu";
+    Components[3] = "gnu";
   } else if (OS == Triple::Cygwin) {
     Components.resize(4);
     Components[2] = "windows";
     Components[3] = "cygnus";
   }
+  if (OS == Triple::MinGW32 || OS == Triple::Cygwin ||
+      (OS == Triple::Win32 && Environment != UnknownEnvironment)) {
+    if (ObjectFormat != UnknownObjectFormat && ObjectFormat != Triple::COFF) {
+      Components.resize(5);
+      Components[4] = getObjectFormatTypeName(ObjectFormat);
+    }
+  }
 
   // Stick the corrected components back together to form the normalized string.
   std::string Normalized;
@@ -726,7 +741,11 @@ void Triple::setEnvironment(EnvironmentType Kind) {
 }
 
 void Triple::setObjectFormat(ObjectFormatType Kind) {
-  setEnvironmentName(getObjectFormatTypeName(Kind));
+  if (Environment == UnknownEnvironment)
+    return setEnvironmentName(getObjectFormatTypeName(Kind));
+
+  setEnvironmentName((getEnvironmentTypeName(Environment) + Twine("-") +
+                      getObjectFormatTypeName(Kind)).str());
 }
 
 void Triple::setArchName(StringRef Str) {
@@ -786,9 +805,11 @@ static unsigned getArchPointerBitWidth(llvm::Triple::ArchType Arch) {
   case llvm::Triple::x86:
   case llvm::Triple::xcore:
   case llvm::Triple::spir:
+  case llvm::Triple::kalimba:
     return 32;
 
   case llvm::Triple::arm64:
+  case llvm::Triple::arm64_be:
   case llvm::Triple::aarch64:
   case llvm::Triple::aarch64_be:
   case llvm::Triple::mips64:
@@ -824,6 +845,7 @@ Triple Triple::get32BitArchVariant() const {
   case Triple::aarch64:
   case Triple::aarch64_be:
   case Triple::arm64:
+  case Triple::arm64_be:
   case Triple::msp430:
   case Triple::systemz:
   case Triple::ppc64le:
@@ -835,6 +857,7 @@ Triple Triple::get32BitArchVariant() const {
   case Triple::arm:
   case Triple::armeb:
   case Triple::hexagon:
+  case Triple::kalimba:
   case Triple::le32:
   case Triple::mips:
   case Triple::mipsel:
@@ -869,6 +892,7 @@ Triple Triple::get64BitArchVariant() const {
   case Triple::arm:
   case Triple::armeb:
   case Triple::hexagon:
+  case Triple::kalimba:
   case Triple::le32:
   case Triple::msp430:
   case Triple::r600:
@@ -891,6 +915,7 @@ Triple Triple::get64BitArchVariant() const {
   case Triple::systemz:
   case Triple::x86_64:
   case Triple::arm64:
+  case Triple::arm64_be:
     // Already 64-bit.
     break;
 
@@ -904,3 +929,85 @@ Triple Triple::get64BitArchVariant() const {
   }
   return T;
 }
+
+// FIXME: tblgen this.
+const char *Triple::getARMCPUForArch(StringRef MArch) const {
+  if (MArch.empty())
+    MArch = getArchName();
+
+  switch (getOS()) {
+  case llvm::Triple::NetBSD:
+    if (MArch == "armv6")
+      return "arm1176jzf-s";
+    break;
+  case llvm::Triple::Win32:
+    // FIXME: this is invalid for WindowsCE
+    return "cortex-a9";
+  default:
+    break;
+  }
+
+  const char *result = nullptr;
+  size_t offset = StringRef::npos;
+  if (MArch.startswith("arm"))
+    offset = 3;
+  if (MArch.startswith("thumb"))
+    offset = 5;
+  if (offset != StringRef::npos && MArch.substr(offset, 2) == "eb")
+    offset += 2;
+  if (offset != StringRef::npos)
+    result = llvm::StringSwitch<const char *>(MArch.substr(offset))
+      .Cases("v2", "v2a", "arm2")
+      .Case("v3", "arm6")
+      .Case("v3m", "arm7m")
+      .Case("v4", "strongarm")
+      .Case("v4t", "arm7tdmi")
+      .Cases("v5", "v5t", "arm10tdmi")
+      .Cases("v5e", "v5te", "arm1022e")
+      .Case("v5tej", "arm926ej-s")
+      .Cases("v6", "v6k", "arm1136jf-s")
+      .Case("v6j", "arm1136j-s")
+      .Cases("v6z", "v6zk", "arm1176jzf-s")
+      .Case("v6t2", "arm1156t2-s")
+      .Cases("v6m", "v6-m", "cortex-m0")
+      .Cases("v7", "v7a", "v7-a", "v7l", "v7-l", "cortex-a8")
+      .Cases("v7s", "v7-s", "swift")
+      .Cases("v7r", "v7-r", "cortex-r4")
+      .Cases("v7m", "v7-m", "cortex-m3")
+      .Cases("v7em", "v7e-m", "cortex-m4")
+      .Cases("v8", "v8a", "v8-a", "cortex-a53")
+      .Default(nullptr);
+  else
+    result = llvm::StringSwitch<const char *>(MArch)
+      .Case("ep9312", "ep9312")
+      .Case("iwmmxt", "iwmmxt")
+      .Case("xscale", "xscale")
+      .Default(nullptr);
+
+  if (result)
+    return result;
+
+  // If all else failed, return the most base CPU with thumb interworking
+  // supported by LLVM.
+  // FIXME: Should warn once that we're falling back.
+  switch (getOS()) {
+  case llvm::Triple::NetBSD:
+    switch (getEnvironment()) {
+    case llvm::Triple::GNUEABIHF:
+    case llvm::Triple::GNUEABI:
+    case llvm::Triple::EABIHF:
+    case llvm::Triple::EABI:
+      return "arm926ej-s";
+    default:
+      return "strongarm";
+    }
+  default:
+    switch (getEnvironment()) {
+    case llvm::Triple::EABIHF:
+    case llvm::Triple::GNUEABIHF:
+      return "arm1176jzf-s";
+    default:
+      return "arm7tdmi";
+    }
+  }
+}