1 files changed, 113 insertions, 0 deletions
diff --git a/lib/Target/AMDGPU/AMDGPUAsmPrinter.h b/lib/Target/AMDGPU/AMDGPUAsmPrinter.h
new file mode 100644
index 00000000000..1acff3a3222
--- /dev/null
+++ b/lib/Target/AMDGPU/AMDGPUAsmPrinter.h
@@ -0,0 +1,113 @@
+//===-- AMDGPUAsmPrinter.h - Print AMDGPU assembly code ---------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+/// \file
+/// \brief AMDGPU Assembly printer class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIB_TARGET_R600_AMDGPUASMPRINTER_H
+#define LLVM_LIB_TARGET_R600_AMDGPUASMPRINTER_H
+
+#include "llvm/CodeGen/AsmPrinter.h"
+#include <vector>
+
+namespace llvm {
+
+class AMDGPUAsmPrinter : public AsmPrinter {
+private:
+  struct SIProgramInfo {
+    SIProgramInfo() :
+      VGPRBlocks(0),
+      SGPRBlocks(0),
+      Priority(0),
+      FloatMode(0),
+      Priv(0),
+      DX10Clamp(0),
+      DebugMode(0),
+      IEEEMode(0),
+      ScratchSize(0),
+      ComputePGMRSrc1(0),
+      LDSBlocks(0),
+      ScratchBlocks(0),
+      ComputePGMRSrc2(0),
+      NumVGPR(0),
+      NumSGPR(0),
+      FlatUsed(false),
+      VCCUsed(false),
+      CodeLen(0) {}
+
+    // Fields set in PGM_RSRC1 pm4 packet.
+    uint32_t VGPRBlocks;
+    uint32_t SGPRBlocks;
+    uint32_t Priority;
+    uint32_t FloatMode;
+    uint32_t Priv;
+    uint32_t DX10Clamp;
+    uint32_t DebugMode;
+    uint32_t IEEEMode;
+    uint32_t ScratchSize;
+
+    uint64_t ComputePGMRSrc1;
+
+    // Fields set in PGM_RSRC2 pm4 packet.
+    uint32_t LDSBlocks;
+    uint32_t ScratchBlocks;
+
+    uint64_t ComputePGMRSrc2;
+
+    uint32_t NumVGPR;
+    uint32_t NumSGPR;
+    uint32_t LDSSize;
+    bool FlatUsed;
+
+    // Bonus information for debugging.
+    bool VCCUsed;
+    uint64_t CodeLen;
+  };
+
+  void getSIProgramInfo(SIProgramInfo &Out, const MachineFunction &MF) const;
+  void findNumUsedRegistersSI(const MachineFunction &MF,
+                              unsigned &NumSGPR,
+                              unsigned &NumVGPR) const;
+
+  /// \brief Emit register usage information so that the GPU driver
+  /// can correctly setup the GPU state.
+  void EmitProgramInfoR600(const MachineFunction &MF);
+  void EmitProgramInfoSI(const MachineFunction &MF, const SIProgramInfo &KernelInfo);
+  void EmitAmdKernelCodeT(const MachineFunction &MF,
+                          const SIProgramInfo &KernelInfo) const;
+
+public:
+  explicit AMDGPUAsmPrinter(TargetMachine &TM,
+                            std::unique_ptr<MCStreamer> Streamer);
+
+  bool runOnMachineFunction(MachineFunction &MF) override;
+
+  const char *getPassName() const override {
+    return "AMDGPU Assembly Printer";
+  }
+
+  /// Implemented in AMDGPUMCInstLower.cpp
+  void EmitInstruction(const MachineInstr *MI) override;
+
+  void EmitEndOfAsmFile(Module &M) override;
+
+  bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
+                       unsigned AsmVariant, const char *ExtraCode,
+                       raw_ostream &O) override;
+
+protected:
+  std::vector<std::string> DisasmLines, HexLines;
+  size_t DisasmLineMaxLen;
+};
+
+} // End anonymous llvm
+
+#endif