Power8 and later support fusing addis/addi and addis/ld instruction

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

diff --git a/lib/Target/PowerPC/PPCSubtarget.h b/lib/Target/PowerPC/PPCSubtarget.h
index 0616c1f65604252f3827e11c2e07289026d4e72c..105ceae4e361c478582bc6bb918aa0934eacdd69 100644 (file)
--- a/lib/Target/PowerPC/PPCSubtarget.h
+++ b/lib/Target/PowerPC/PPCSubtarget.h
@@ -119,6 +119,7 @@ protected:
   bool HasPartwordAtomics;
   bool HasDirectMove;
   bool HasHTM;
+  bool HasFusion;
 
   /// When targeting QPX running a stock PPC64 Linux kernel where the stack
   /// alignment has not been changed, we need to keep the 16-byte alignment
@@ -254,6 +255,7 @@ public:
     return 16;
   }
   bool hasHTM() const { return HasHTM; }
+  bool hasFusion() const { return HasFusion; }
 
   const Triple &getTargetTriple() const { return TargetTriple; }
 
@@ -285,6 +287,10 @@ public:
   bool useAA() const override;
 
   bool enableSubRegLiveness() const override;
+
+  /// classifyGlobalReference - Classify a global variable reference for the
+  /// current subtarget accourding to how we should reference it.
+  unsigned char classifyGlobalReference(const GlobalValue *GV) const;
 };
 } // End llvm namespace