AMDGPU: Add core backend files for R600/SI codegen v6

llvm-svn: 160270

1 files changed, 63 insertions, 0 deletions

diff --git a/llvm/lib/Target/AMDGPU/AMDGPUConvertToISA.cpp b/llvm/lib/Target/AMDGPU/AMDGPUConvertToISA.cpp
new file mode 100644
index 00000000000..5e8fe9ae216
--- /dev/null
+++ b/llvm/lib/Target/AMDGPU/AMDGPUConvertToISA.cpp
@@ -0,0 +1,63 @@
+//===-- AMDGPUConvertToISA.cpp - Lower AMDIL to HW ISA --------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This pass lowers AMDIL machine instructions to the appropriate hardware
+// instructions. 
+//
+//===----------------------------------------------------------------------===//
+
+#include "AMDGPU.h"
+#include "AMDGPUInstrInfo.h"
+#include "llvm/CodeGen/MachineFunctionPass.h"
+
+#include <stdio.h>
+using namespace llvm;
+
+namespace {
+
+class AMDGPUConvertToISAPass : public MachineFunctionPass {
+
+private:
+  static char ID;
+  TargetMachine &TM;
+
+public:
+  AMDGPUConvertToISAPass(TargetMachine &tm) :
+    MachineFunctionPass(ID), TM(tm) { }
+
+  virtual bool runOnMachineFunction(MachineFunction &MF);
+
+  virtual const char *getPassName() const {return "AMDGPU Convert to ISA";}
+
+};
+
+} // End anonymous namespace
+
+char AMDGPUConvertToISAPass::ID = 0;
+
+FunctionPass *llvm::createAMDGPUConvertToISAPass(TargetMachine &tm) {
+  return new AMDGPUConvertToISAPass(tm);
+}
+
+bool AMDGPUConvertToISAPass::runOnMachineFunction(MachineFunction &MF)
+{
+  const AMDGPUInstrInfo * TII =
+                      static_cast<const AMDGPUInstrInfo*>(TM.getInstrInfo());
+
+  for (MachineFunction::iterator BB = MF.begin(), BB_E = MF.end();
+                                                  BB != BB_E; ++BB) {
+    MachineBasicBlock &MBB = *BB;
+    for (MachineBasicBlock::iterator I = MBB.begin(), E = MBB.end();
+                                                      I != E; ++I) {
+      MachineInstr &MI = *I;
+      TII->convertToISA(MI, MF, MBB.findDebugLoc(I));
+    }
+  }
+  return false;
+}