1 files changed, 65 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeon/AMDGPUConvertToISA.cpp b/src/gallium/drivers/radeon/AMDGPUConvertToISA.cpp
new file mode 100644
index 00000000000..ce947f8ff78
--- /dev/null
+++ b/src/gallium/drivers/radeon/AMDGPUConvertToISA.cpp
@@ -0,0 +1,65 @@
+//===-- 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"
+
+using namespace llvm;
+
+namespace {
+  class AMDGPUConvertToISAPass : public MachineFunctionPass {
+
+  private:
+    static char ID;
+    TargetMachine &TM;
+
+    void lowerFLT(MachineInstr &MI);
+
+  public:
+    AMDGPUConvertToISAPass(TargetMachine &tm) :
+      MachineFunctionPass(ID), TM(tm) { }
+
+    virtual bool runOnMachineFunction(MachineFunction &MF);
+
+  };
+} /* 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(), Next = llvm::next(I);
+         I != MBB.end(); I = Next, Next = llvm::next(I) ) {
+      MachineInstr &MI = *I;
+      MachineInstr * newInstr = TII->convertToISA(MI, MF, MBB.findDebugLoc(I));
+      if (!newInstr) {
+        continue;
+      }
+      MBB.insert(I, newInstr);
+      MI.eraseFromParent();
+    }
+  }
+  return false;
+}