Improve ext/trunc patterns on PPC64.

[oota-llvm.git] / lib / Target / PowerPC / PPCSubtarget.h

diff --git a/lib/Target/PowerPC/PPCSubtarget.h b/lib/Target/PowerPC/PPCSubtarget.h
index c89f922a5b653247d7c2551a65c84554288d3e50..a275029d3e5d366fbfda8c22387f68a3d52e94e4 100644 (file)
--- a/lib/Target/PowerPC/PPCSubtarget.h
+++ b/lib/Target/PowerPC/PPCSubtarget.h
@@ -1,4 +1,4 @@
-//=====-- PPCSubtarget.h - Define Subtarget for the PPC -------*- C++ -*--====//
+//===-- PPCSubtarget.h - Define Subtarget for the PPC ----------*- C++ -*--===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -26,18 +26,21 @@
 #undef PPC
 
 namespace llvm {
+class StringRef;
 
 namespace PPC {
   // -m directive values.
   enum {
     DIR_NONE,
     DIR_32,
+    DIR_440, 
     DIR_601, 
     DIR_602, 
     DIR_603, 
     DIR_7400,
     DIR_750, 
     DIR_970, 
+    DIR_A2,
     DIR_64  
   };
 }
@@ -65,6 +68,7 @@ protected:
   bool HasAltivec;
   bool HasFSQRT;
   bool HasSTFIWX;
+  bool IsBookE;
   bool HasLazyResolverStubs;
   bool IsJITCodeModel;
   
@@ -80,8 +84,7 @@ public:
   
   /// 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);
   
   /// SetJITMode - This is called to inform the subtarget info that we are
   /// producing code for the JIT.
@@ -136,15 +139,22 @@ public:
   bool hasSTFIWX() const { return HasSTFIWX; }
   bool hasAltivec() const { return HasAltivec; }
   bool isGigaProcessor() const { return IsGigaProcessor; }
+  bool isBookE() const { return IsBookE; }
 
   const Triple &getTargetTriple() const { return TargetTriple; }
 
   /// isDarwin - True if this is any darwin platform.
   bool isDarwin() const { return TargetTriple.isMacOSX(); }
+  /// isBGP - True if this is a BG/P platform.
+  bool isBGP() const { return TargetTriple.getVendor() == Triple::BGP; }
 
   bool isDarwinABI() const { return isDarwin(); }
   bool isSVR4ABI() const { return !isDarwin(); }
 
+  /// enablePostRAScheduler - True at 'More' optimization.
+  bool enablePostRAScheduler(CodeGenOpt::Level OptLevel,
+                             TargetSubtargetInfo::AntiDepBreakMode& Mode,
+                             RegClassVector& CriticalPathRCs) const;
 };
 } // End llvm namespace