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//===-- SIMachineFunctionInfo.cpp - TODO: Add brief description -------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// TODO: Add full description
//
//===----------------------------------------------------------------------===//
#include "SIMachineFunctionInfo.h"
#include "AMDGPU.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
using namespace llvm;
SIMachineFunctionInfo::SIMachineFunctionInfo()
: AMDILMachineFunctionInfo(),
spi_ps_input_addr(0)
{ }
SIMachineFunctionInfo::SIMachineFunctionInfo(MachineFunction &MF)
: AMDILMachineFunctionInfo(MF),
spi_ps_input_addr(0)
{ }
namespace {
class SIInitMachineFunctionInfoPass : public MachineFunctionPass {
private:
static char ID;
TargetMachine &TM;
public:
SIInitMachineFunctionInfoPass(TargetMachine &tm) :
MachineFunctionPass(ID), TM(tm) { }
virtual bool runOnMachineFunction(MachineFunction &MF);
};
} // End anonymous namespace
char SIInitMachineFunctionInfoPass::ID = 0;
FunctionPass *llvm::createSIInitMachineFunctionInfoPass(TargetMachine &tm) {
return new SIInitMachineFunctionInfoPass(tm);
}
/* A MachineFunction's MachineFunctionInfo is initialized in the first call to
* getInfo(). We need to intialize it as an SIMachineFunctionInfo object
* before any of the AMDIL passes otherwise it will be an
* AMDILMachineFunctionInfo object and we won't be able to use it.
*/
bool SIInitMachineFunctionInfoPass::runOnMachineFunction(MachineFunction &MF)
{
SIMachineFunctionInfo * MFI = MF.getInfo<SIMachineFunctionInfo>();
return false;
}
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