1 files changed, 14 insertions, 3 deletions
diff --git a/lib/Target/ARM/ARMSubtarget.h b/lib/Target/ARM/ARMSubtarget.h
index 5e884e0..3d9c03d 100644
--- a/lib/Target/ARM/ARMSubtarget.h
+++ b/lib/Target/ARM/ARMSubtarget.h
@@ -1,4 +1,4 @@
-//=====---- ARMSubtarget.h - Define Subtarget for the ARM -----*- C++ -*--====//
+//===-- ARMSubtarget.h - Define Subtarget for the ARM ----------*- C++ -*--===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -45,11 +45,13 @@ protected:
   bool HasV6T2Ops;
   bool HasV7Ops;
 
-  /// HasVFPv2, HasVFPv3, HasNEON - Specify what floating point ISAs are
-  /// supported.
+  /// HasVFPv2, HasVFPv3, HasVFPv4, HasNEON, HasNEONVFPv4 - Specify what
+  /// floating point ISAs are supported.
   bool HasVFPv2;
   bool HasVFPv3;
+  bool HasVFPv4;
   bool HasNEON;
+  bool HasNEON2;
 
   /// UseNEONForSinglePrecisionFP - if the NEONFP attribute has been
   /// specified. Use the method useNEONForSinglePrecisionFP() to
@@ -123,6 +125,10 @@ protected:
   /// CPSR setting instruction.
   bool AvoidCPSRPartialUpdate;
 
+  /// HasRAS - Some processors perform return stack prediction. CodeGen should
+  /// avoid issue "normal" call instructions to callees which do not return.
+  bool HasRAS;
+
   /// HasMPExtension - True if the subtarget supports Multiprocessing
   /// extension (ARMv7 only).
   bool HasMPExtension;
@@ -191,12 +197,15 @@ protected:
 
   bool isCortexA8() const { return ARMProcFamily == CortexA8; }
   bool isCortexA9() const { return ARMProcFamily == CortexA9; }
+  bool isCortexM3() const { return CPUString == "cortex-m3"; }
 
   bool hasARMOps() const { return !NoARM; }
 
   bool hasVFP2() const { return HasVFPv2; }
   bool hasVFP3() const { return HasVFPv3; }
+  bool hasVFP4() const { return HasVFPv4; }
   bool hasNEON() const { return HasNEON;  }
+  bool hasNEON2() const { return HasNEON2 || (HasNEON && HasVFPv4);  }
   bool useNEONForSinglePrecisionFP() const {
     return hasNEON() && UseNEONForSinglePrecisionFP; }
 
@@ -209,6 +218,7 @@ protected:
   bool isFPOnlySP() const { return FPOnlySP; }
   bool prefers32BitThumb() const { return Pref32BitThumb; }
   bool avoidCPSRPartialUpdate() const { return AvoidCPSRPartialUpdate; }
+  bool hasRAS() const { return HasRAS; }
   bool hasMPExtension() const { return HasMPExtension; }
   bool hasThumb2DSP() const { return Thumb2DSP; }
 
@@ -217,6 +227,7 @@ protected:
 
   const Triple &getTargetTriple() const { return TargetTriple; }
 
+  bool isTargetIOS() const { return TargetTriple.getOS() == Triple::IOS; }
   bool isTargetDarwin() const { return TargetTriple.isOSDarwin(); }
   bool isTargetNaCl() const {
     return TargetTriple.getOS() == Triple::NativeClient;