R600/SI: Spill VGPRs to scratch space for compute shaders

[oota-llvm.git] / lib / Target / R600 / SIRegisterInfo.h

diff --git a/lib/Target/R600/SIRegisterInfo.h b/lib/Target/R600/SIRegisterInfo.h
index 28de31b8c027230b7dc162afeded38893398a5df..d14212c2b10455b960032da32b1d80541e262916 100644 (file)
--- a/lib/Target/R600/SIRegisterInfo.h
+++ b/lib/Target/R600/SIRegisterInfo.h
@@ -105,7 +105,14 @@ struct SIRegisterInfo : public AMDGPURegisterInfo {
   unsigned getPreloadedValue(const MachineFunction &MF,
                              enum PreloadedValue Value) const;
 
-  unsigned findUnusedVGPR(const MachineRegisterInfo &MRI) const;
+  unsigned findUnusedRegister(const MachineRegisterInfo &MRI,
+                              const TargetRegisterClass *RC) const;
+
+private:
+  void buildScratchLoadStore(MachineBasicBlock::iterator MI,
+                             unsigned LoadStoreOp, unsigned Value,
+                             unsigned ScratchPtr, unsigned ScratchOffset,
+                             int64_t Offset, RegScavenger *RS) const;
 };
 
 } // End namespace llvm