AMDGPUReserveWWMRegs.cpp File Reference

This pass should be invoked at the end of wwm-regalloc pipeline. More...

#include "AMDGPU.h"
#include "MCTargetDesc/AMDGPUMCTargetDesc.h"
#include "SIMachineFunctionInfo.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/VirtRegMap.h"
#include "llvm/InitializePasses.h"

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Macros
#define	DEBUG_TYPE   "amdgpu-reserve-wwm-regs"

Detailed Description

This pass should be invoked at the end of wwm-regalloc pipeline.

It identifies the WWM regs allocated during this pipeline and add them to the list of reserved registers so that they won't be available for per-thread VGPR allocation in the subsequent regalloc pipeline.

Definition in file AMDGPUReserveWWMRegs.cpp.

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "amdgpu-reserve-wwm-regs"

Definition at line 26 of file AMDGPUReserveWWMRegs.cpp.