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#include "AMDGPUMachineFunction.h"
#include "AMDGPU.h"
#include "llvm/IR/Attributes.h"
#include "llvm/IR/Function.h"
using namespace llvm;

static const char *const ShaderTypeAttribute = "ShaderType";

// Pin the vtable to this file.
void AMDGPUMachineFunction::anchor() {}

AMDGPUMachineFunction::AMDGPUMachineFunction(const MachineFunction &MF) :
    MachineFunctionInfo() {
  ShaderType = ShaderType::COMPUTE;
  LDSSize = 0;
  AttributeSet Set = MF.getFunction()->getAttributes();
  Attribute A = Set.getAttribute(AttributeSet::FunctionIndex,
                                 ShaderTypeAttribute);

  if (A.isStringAttribute()) {
    StringRef Str = A.getValueAsString();
    if (Str.getAsInteger(0, ShaderType))
      llvm_unreachable("Can't parse shader type!");
  }
}