Revert r194865 and r194874.

[oota-llvm.git] / lib / Target / SystemZ / SystemZSubtarget.h

diff --git a/lib/Target/SystemZ/SystemZSubtarget.h b/lib/Target/SystemZ/SystemZSubtarget.h
index 4efb58d097b156ddaeaedcd2336a0422dde271f0..74d3f90ad74d05919aa10898dd70d45fb8676668 100644 (file)
--- a/lib/Target/SystemZ/SystemZSubtarget.h
+++ b/lib/Target/SystemZ/SystemZSubtarget.h
@@ -30,6 +30,7 @@ protected:
   bool HasDistinctOps;
   bool HasLoadStoreOnCond;
   bool HasHighWord;
+  bool HasFPExtension;
 
 private:
   Triple TargetTriple;
@@ -38,6 +39,9 @@ public:
   SystemZSubtarget(const std::string &TT, const std::string &CPU,
                    const std::string &FS);
 
+  // This is important for reducing register pressure in vector code.
+  virtual bool useAA() const LLVM_OVERRIDE { return true; }
+
   // Automatically generated by tblgen.
   void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
 
@@ -50,6 +54,9 @@ public:
   // Return true if the target has the high-word facility.
   bool hasHighWord() const { return HasHighWord; }
 
+  // Return true if the target has the floating-point extension facility.
+  bool hasFPExtension() const { return HasFPExtension; }
+
   // Return true if GV can be accessed using LARL for reloc model RM
   // and code model CM.
   bool isPC32DBLSymbol(const GlobalValue *GV, Reloc::Model RM,