1 //===-- AMDGPUConvertToISA.cpp - Lower AMDIL to HW ISA --------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This pass lowers AMDIL machine instructions to the appropriate hardware
13 //===----------------------------------------------------------------------===//
16 #include "AMDGPUInstrInfo.h"
17 #include "llvm/CodeGen/MachineFunctionPass.h"
22 class AMDGPUConvertToISAPass : public MachineFunctionPass {
28 void lowerFLT(MachineInstr &MI);
31 AMDGPUConvertToISAPass(TargetMachine &tm) :
32 MachineFunctionPass(ID), TM(tm) { }
34 virtual bool runOnMachineFunction(MachineFunction &MF);
37 } /* End anonymous namespace */
39 char AMDGPUConvertToISAPass::ID = 0;
41 FunctionPass *llvm::createAMDGPUConvertToISAPass(TargetMachine &tm) {
42 return new AMDGPUConvertToISAPass(tm);
45 bool AMDGPUConvertToISAPass::runOnMachineFunction(MachineFunction &MF)
47 const AMDGPUInstrInfo * TII =
48 static_cast<const AMDGPUInstrInfo*>(TM.getInstrInfo());
50 for (MachineFunction::iterator BB = MF.begin(), BB_E = MF.end();
52 MachineBasicBlock &MBB = *BB;
53 for (MachineBasicBlock::iterator I = MBB.begin(), Next = llvm::next(I);
54 I != MBB.end(); I = Next, Next = llvm::next(I) ) {
55 MachineInstr &MI = *I;
56 MachineInstr * newInstr = TII->convertToISA(MI, MF, MBB.findDebugLoc(I));
60 MBB.insert(I, newInstr);