Refactor ARM subarchitecture parsing

[oota-llvm.git] / include / llvm / ADT / Triple.h

diff --git a/include/llvm/ADT/Triple.h b/include/llvm/ADT/Triple.h
index 0eb0420f564f1c8ac0fcd9c8789489c4548d1320..3d6f12c80e4730eae5e21100d2dd7e1329eb61e5 100644 (file)
--- a/include/llvm/ADT/Triple.h
+++ b/include/llvm/ADT/Triple.h
@@ -46,7 +46,10 @@ public:
   enum ArchType {
     UnknownArch,
 
-    arm,        // ARM: arm, armv.*, xscale
+    arm,        // ARM (little endian): arm, armv.*, xscale
+    armeb,      // ARM (big endian): armeb
+    arm64,      // ARM64 (little endian): arm64
+    arm64_be,   // ARM64 (big endian): arm64_be
     aarch64,    // AArch64 (little endian): aarch64
     aarch64_be, // AArch64 (big endian): aarch64_be
     hexagon,    // Hexagon: hexagon
@@ -63,7 +66,8 @@ public:
     sparcv9,    // Sparcv9: Sparcv9
     systemz,    // SystemZ: s390x
     tce,        // TCE (http://tce.cs.tut.fi/): tce
-    thumb,      // Thumb: thumb, thumbv.*
+    thumb,      // Thumb (little endian): thumb, thumbv.*
+    thumbeb,    // Thumb (big endian): thumbeb
     x86,        // X86: i[3-9]86
     x86_64,     // X86-64: amd64, x86_64
     xcore,      // XCore: xcore
@@ -72,7 +76,23 @@ public:
     le32,       // le32: generic little-endian 32-bit CPU (PNaCl / Emscripten)
     amdil,      // amdil: amd IL
     spir,       // SPIR: standard portable IR for OpenCL 32-bit version
-    spir64      // SPIR: standard portable IR for OpenCL 64-bit version
+    spir64,     // SPIR: standard portable IR for OpenCL 64-bit version
+    kalimba     // Kalimba: generic kalimba
+  };
+  enum SubArchType {
+    NoSubArch,
+
+    ARMSubArch_v8,
+    ARMSubArch_v7,
+    ARMSubArch_v7em,
+    ARMSubArch_v7m,
+    ARMSubArch_v7s,
+    ARMSubArch_v6,
+    ARMSubArch_v6m,
+    ARMSubArch_v6t2,
+    ARMSubArch_v5,
+    ARMSubArch_v5te,
+    ARMSubArch_v4t
   };
   enum VendorType {
     UnknownVendor,
@@ -84,7 +104,9 @@ public:
     BGQ,
     Freescale,
     IBM,
-    NVIDIA
+    ImaginationTechnologies,
+    NVIDIA,
+    CSR
   };
   enum OSType {
     UnknownOS,
@@ -125,6 +147,10 @@ public:
     EABI,
     EABIHF,
     Android,
+
+    MSVC,
+    Itanium,
+    Cygnus,
   };
   enum ObjectFormatType {
     UnknownObjectFormat,
@@ -140,6 +166,9 @@ private:
   /// The parsed arch type.
   ArchType Arch;
 
+  /// The parsed subarchitecture type.
+  SubArchType SubArch;
+
   /// The parsed vendor type.
   VendorType Vendor;
 
@@ -182,6 +211,9 @@ public:
   /// getArch - Get the parsed architecture type of this triple.
   ArchType getArch() const { return Arch; }
 
+  /// getSubArch - get the parsed subarchitecture type for this triple.
+  SubArchType getSubArch() const { return SubArch; }
+
   /// getVendor - Get the parsed vendor type of this triple.
   VendorType getVendor() const { return Vendor; }
 
@@ -328,14 +360,42 @@ public:
     return isMacOSX() || isiOS();
   }
 
+  bool isOSFreeBSD() const {
+    return getOS() == Triple::FreeBSD;
+  }
+
+  bool isWindowsMSVCEnvironment() const {
+    return getOS() == Triple::Win32 &&
+           (getEnvironment() == Triple::UnknownEnvironment ||
+            getEnvironment() == Triple::MSVC);
+  }
+
+  bool isKnownWindowsMSVCEnvironment() const {
+    return getOS() == Triple::Win32 && getEnvironment() == Triple::MSVC;
+  }
+
+  bool isWindowsItaniumEnvironment() const {
+    return getOS() == Triple::Win32 && getEnvironment() == Triple::Itanium;
+  }
+
+  bool isWindowsCygwinEnvironment() const {
+    return getOS() == Triple::Cygwin ||
+           (getOS() == Triple::Win32 && getEnvironment() == Triple::Cygnus);
+  }
+
+  bool isWindowsGNUEnvironment() const {
+    return getOS() == Triple::MinGW32 ||
+           (getOS() == Triple::Win32 && getEnvironment() == Triple::GNU);
+  }
+
   /// \brief Tests for either Cygwin or MinGW OS
   bool isOSCygMing() const {
-    return getOS() == Triple::Cygwin || getOS() == Triple::MinGW32;
+    return isWindowsCygwinEnvironment() || isWindowsGNUEnvironment();
   }
 
   /// \brief Is this a "Windows" OS targeting a "MSVCRT.dll" environment.
   bool isOSMSVCRT() const {
-    return getOS() == Triple::Win32 || getOS() == Triple::MinGW32;
+    return isWindowsMSVCEnvironment() || isWindowsGNUEnvironment();
   }
 
   /// \brief Tests whether the OS is Windows.
@@ -438,6 +498,12 @@ public:
   ///          architecture if no such variant can be found.
   llvm::Triple get64BitArchVariant() const;
 
+  /// Get the (LLVM) name of the minimum ARM CPU for the arch we are targeting.
+  ///
+  /// \param Arch the architecture name (e.g., "armv7s"). If it is an empty
+  /// string then the triple's arch name is used.
+  const char* getARMCPUForArch(StringRef Arch = StringRef()) const;
+
   /// @}
   /// @name Static helpers for IDs.
   /// @{