PTX: Various stylistic and code readability changes recommended by Jim Grosbach.

[oota-llvm.git] / lib / Target / ARM / ARMSubtarget.h

diff --git a/lib/Target/ARM/ARMSubtarget.h b/lib/Target/ARM/ARMSubtarget.h
index 5fad9a777d6d73f821734d92ef2ea0a38e98584c..47e076a7f11d93f6a29d8de215e53fa5b58a655d 100644 (file)
--- a/lib/Target/ARM/ARMSubtarget.h
+++ b/lib/Target/ARM/ARMSubtarget.h
@@ -25,6 +25,7 @@
 
 namespace llvm {
 class GlobalValue;
+class StringRef;
 
 class ARMSubtarget : public ARMGenSubtargetInfo {
 protected:
@@ -66,12 +67,19 @@ protected:
   /// SlowFPBrcc - True if floating point compare + branch is slow.
   bool SlowFPBrcc;
 
-  /// IsThumb - True if we are in thumb mode, false if in ARM mode.
-  bool IsThumb;
+  /// InThumbMode - True if compiling for Thumb, false for ARM.
+  bool InThumbMode;
+
+  /// InNaClMode - True if targeting Native Client
+  bool InNaClMode;
 
   /// HasThumb2 - True if Thumb2 instructions are supported.
   bool HasThumb2;
 
+  /// IsMClass - True if the subtarget belongs to the 'M' profile of CPUs - 
+  /// v6m, v7m for example.
+  bool IsMClass;
+
   /// NoARM - True if subtarget does not support ARM mode execution.
   bool NoARM;
 
@@ -168,7 +176,7 @@ protected:
   }
   /// ParseSubtargetFeatures - Parses features string setting specified
   /// subtarget options.  Definition of function is auto generated by tblgen.
-  void ParseSubtargetFeatures(const std::string &FS, const std::string &CPU);
+  void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
 
   void computeIssueWidth();
 
@@ -208,15 +216,20 @@ protected:
   const Triple &getTargetTriple() const { return TargetTriple; }
 
   bool isTargetDarwin() const { return TargetTriple.isOSDarwin(); }
+  bool isTargetNaCl() const {
+    return TargetTriple.getOS() == Triple::NativeClient;
+  }
   bool isTargetELF() const { return !isTargetDarwin(); }
 
   bool isAPCS_ABI() const { return TargetABI == ARM_ABI_APCS; }
   bool isAAPCS_ABI() const { return TargetABI == ARM_ABI_AAPCS; }
 
-  bool isThumb() const { return IsThumb; }
-  bool isThumb1Only() const { return IsThumb && !HasThumb2; }
-  bool isThumb2() const { return IsThumb && HasThumb2; }
+  bool isThumb() const { return InThumbMode; }
+  bool isThumb1Only() const { return InThumbMode && !HasThumb2; }
+  bool isThumb2() const { return InThumbMode && HasThumb2; }
   bool hasThumb2() const { return HasThumb2; }
+  bool isMClass() const { return IsMClass; }
+  bool isARClass() const { return !IsMClass; }
 
   bool isR9Reserved() const { return IsR9Reserved; }