Target/X86: Eliminate uses of getDarwinVers().

[oota-llvm.git] / lib / Target / X86 / X86Subtarget.h

diff --git a/lib/Target/X86/X86Subtarget.h b/lib/Target/X86/X86Subtarget.h
index dc990189045a2607c5f28e714377382c78e9c4d4..7dcfe546a58ff69d80ea71baef08188482301b8d 100644 (file)
--- a/lib/Target/X86/X86Subtarget.h
+++ b/lib/Target/X86/X86Subtarget.h
@@ -14,7 +14,9 @@
 #ifndef X86SUBTARGET_H
 #define X86SUBTARGET_H
 
+#include "llvm/ADT/Triple.h"
 #include "llvm/Target/TargetSubtarget.h"
+#include "llvm/CallingConv.h"
 #include <string>
 
 namespace llvm {
@@ -63,6 +65,9 @@ protected:
   ///
   bool HasX86_64;
 
+  /// HasPOPCNT - True if the processor supports POPCNT.
+  bool HasPOPCNT;
+
   /// HasSSE4A - True if the processor supports SSE4A instructions.
   bool HasSSE4A;
 
@@ -72,6 +77,9 @@ protected:
   /// HasAES - Target has AES instructions
   bool HasAES;
 
+  /// HasCLMUL - Target has carry-less multiplication
+  bool HasCLMUL;
+
   /// HasFMA3 - Target has 3-operand fused multiply-add
   bool HasFMA3;
 
@@ -88,14 +96,6 @@ protected:
   /// operands. This may require setting a feature bit in the processor.
   bool HasVectorUAMem;
 
-  /// Promote16Bit - True if codegen should promote 16-bit operations to 32-bit.
-  /// This is a temporary option.
-  bool Promote16Bit;
-
-  /// DarwinVers - Nonzero if this is a darwin platform: the numeric
-  /// version of the platform, e.g. 8 = 10.4 (Tiger), 9 = 10.5 (Leopard), etc.
-  unsigned char DarwinVers; // Is any darwin-x86 platform.
-
   /// stackAlignment - The minimum alignment known to hold of the stack frame on
   /// entry to the function and which must be maintained by every function.
   unsigned stackAlignment;
@@ -104,15 +104,15 @@ protected:
   ///
   unsigned MaxInlineSizeThreshold;
 
+  /// TargetTriple - What processor and OS we're targeting.
+  Triple TargetTriple;
+
 private:
   /// Is64Bit - True if the processor supports 64-bit instructions and
   /// pointer size is 64 bit.
   bool Is64Bit;
 
 public:
-  enum {
-    isELF, isCygwin, isDarwin, isWindows, isMingw
-  } TargetType;
 
   /// This constructor initializes the data members to match that
   /// of the specified triple.
@@ -153,47 +153,53 @@ public:
   bool hasSSE4A() const { return HasSSE4A; }
   bool has3DNow() const { return X863DNowLevel >= ThreeDNow; }
   bool has3DNowA() const { return X863DNowLevel >= ThreeDNowA; }
+  bool hasPOPCNT() const { return HasPOPCNT; }
   bool hasAVX() const { return HasAVX; }
+  bool hasXMM() const { return hasSSE1() || hasAVX(); }
+  bool hasXMMInt() const { return hasSSE2() || hasAVX(); }
   bool hasAES() const { return HasAES; }
+  bool hasCLMUL() const { return HasCLMUL; }
   bool hasFMA3() const { return HasFMA3; }
   bool hasFMA4() const { return HasFMA4; }
   bool isBTMemSlow() const { return IsBTMemSlow; }
   bool isUnalignedMemAccessFast() const { return IsUAMemFast; }
   bool hasVectorUAMem() const { return HasVectorUAMem; }
-  bool shouldPromote16Bit() const { return Promote16Bit; }
 
-  bool isTargetDarwin() const { return TargetType == isDarwin; }
-  bool isTargetELF() const { return TargetType == isELF; }
+  const Triple &getTargetTriple() const { return TargetTriple; }
+
+  bool isTargetDarwin() const { return TargetTriple.getOS() == Triple::Darwin; }
+  bool isTargetFreeBSD() const { return TargetTriple.getOS() == Triple::FreeBSD; }
+  bool isTargetSolaris() const { return TargetTriple.getOS() == Triple::Solaris; }
 
-  bool isTargetWindows() const { return TargetType == isWindows; }
-  bool isTargetMingw() const { return TargetType == isMingw; }
-  bool isTargetCygwin() const { return TargetType == isCygwin; }
+  // ELF is a reasonably sane default and the only other X86 targets we
+  // support are Darwin and Windows. Just use "not those".
+  bool isTargetELF() const {
+    return !isTargetDarwin() && !isTargetWindows() && !isTargetCygMing();
+  }
+  bool isTargetLinux() const { return TargetTriple.getOS() == Triple::Linux; }
+
+  bool isTargetWindows() const { return TargetTriple.getOS() == Triple::Win32; }
+  bool isTargetMingw() const { return TargetTriple.getOS() == Triple::MinGW32; }
+  bool isTargetCygwin() const { return TargetTriple.getOS() == Triple::Cygwin; }
   bool isTargetCygMing() const {
-    return TargetType == isMingw || TargetType == isCygwin;
+    return isTargetMingw() || isTargetCygwin();
   }
 
   /// isTargetCOFF - Return true if this is any COFF/Windows target variant.
   bool isTargetCOFF() const {
-    return TargetType == isMingw || TargetType == isCygwin ||
-           TargetType == isWindows;
+    return isTargetMingw() || isTargetCygwin() || isTargetWindows();
   }
 
   bool isTargetWin64() const {
-    return Is64Bit && (TargetType == isMingw || TargetType == isWindows);
+    return Is64Bit && (isTargetMingw() || isTargetWindows());
+  }
+
+  bool isTargetEnvMacho() const {
+    return isTargetDarwin() || (TargetTriple.getEnvironment() == Triple::MachO);
   }
 
-  std::string getDataLayout() const {
-    const char *p;
-    if (is64Bit())
-      p = "e-p:64:64-s:64-f64:64:64-i64:64:64-f80:128:128-n8:16:32:64";
-    else if (isTargetDarwin())
-      p = "e-p:32:32-f64:32:64-i64:32:64-f80:128:128-n8:16:32";
-    else if (isTargetMingw() || isTargetWindows())
-      p = "e-p:32:32-f64:64:64-i64:64:64-f80:32:32-n8:16:32";
-    else
-      p = "e-p:32:32-f64:32:64-i64:32:64-f80:32:32-n8:16:32";
-
-    return std::string(p);
+  bool isTargetWin32() const {
+    return !Is64Bit && (isTargetMingw() || isTargetWindows());
   }
 
   bool isPICStyleSet() const { return PICStyle != PICStyles::None; }
@@ -211,10 +217,6 @@ public:
     return PICStyle == PICStyles::StubDynamicNoPIC ||
            PICStyle == PICStyles::StubPIC; }
 
-  /// getDarwinVers - Return the darwin version number, 8 = Tiger, 9 = Leopard,
-  /// 10 = Snow Leopard, etc.
-  unsigned getDarwinVers() const { return DarwinVers; }
-
   /// ClassifyGlobalReference - Classify a global variable reference for the
   /// current subtarget according to how we should reference it in a non-pcrel
   /// context.
@@ -242,6 +244,9 @@ public:
   /// indicating the number of scheduling cycles of backscheduling that
   /// should be attempted.
   unsigned getSpecialAddressLatency() const;
+
+  /// IsCalleePop - Test whether a function should pop its own arguments.
+  bool IsCalleePop(bool isVarArg, CallingConv::ID CallConv) const;
 };
 
 } // End llvm namespace