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[FreeBSD/releng/10.2.git] / contrib / llvm / lib / Target / R600 / AMDGPUMachineFunction.cpp
1 #include "AMDGPUMachineFunction.h"
2 #include "AMDGPU.h"
3 #include "llvm/IR/Attributes.h"
4 #include "llvm/IR/Function.h"
5 using namespace llvm;
6
7 static const char *const ShaderTypeAttribute = "ShaderType";
8
9 // Pin the vtable to this file.
10 void AMDGPUMachineFunction::anchor() {}
11
12 AMDGPUMachineFunction::AMDGPUMachineFunction(const MachineFunction &MF) :
13     MachineFunctionInfo() {
14   ShaderType = ShaderType::COMPUTE;
15   LDSSize = 0;
16   AttributeSet Set = MF.getFunction()->getAttributes();
17   Attribute A = Set.getAttribute(AttributeSet::FunctionIndex,
18                                  ShaderTypeAttribute);
19
20   if (A.isStringAttribute()) {
21     StringRef Str = A.getValueAsString();
22     if (Str.getAsInteger(0, ShaderType))
23       llvm_unreachable("Can't parse shader type!");
24   }
25 }