This pass optimizes atomic operations by using a single lane of a wavefront to perform the atomic operation, thus reducing contention on that memory location. More...
#include "AMDGPU.h"#include "AMDGPUSubtarget.h"#include "llvm/Analysis/LegacyDivergenceAnalysis.h"#include "llvm/CodeGen/TargetPassConfig.h"#include "llvm/IR/IRBuilder.h"#include "llvm/IR/InstVisitor.h"#include "llvm/Transforms/Utils/BasicBlockUtils.h"
Include dependency graph for AMDGPUAtomicOptimizer.cpp:
Go to the source code of this file.
Macros | |
| #define | DEBUG_TYPE "amdgpu-atomic-optimizer" |
Enumerations | |
| enum | DPP_CTRL |
Functions | |
| INITIALIZE_PASS_BEGIN (AMDGPUAtomicOptimizer, DEBUG_TYPE, "AMDGPU atomic optimizations", false, false) INITIALIZE_PASS_END(AMDGPUAtomicOptimizer | |
Variables | |
| DEBUG_TYPE | |
| AMDGPU atomic | optimizations |
| AMDGPU atomic | false |
Detailed Description
This pass optimizes atomic operations by using a single lane of a wavefront to perform the atomic operation, thus reducing contention on that memory location.
Definition in file AMDGPUAtomicOptimizer.cpp.
Macro Definition Documentation
◆ DEBUG_TYPE
| #define DEBUG_TYPE "amdgpu-atomic-optimizer" |
Definition at line 25 of file AMDGPUAtomicOptimizer.cpp.
Enumeration Type Documentation
◆ DPP_CTRL
| enum DPP_CTRL |
Definition at line 31 of file AMDGPUAtomicOptimizer.cpp.
Function Documentation
◆ INITIALIZE_PASS_BEGIN()
| INITIALIZE_PASS_BEGIN | ( | AMDGPUAtomicOptimizer | , |
| DEBUG_TYPE | , | ||
| "AMDGPU atomic optimizations" | , | ||
| false | , | ||
| false | |||
| ) |
Variable Documentation
◆ DEBUG_TYPE
| DEBUG_TYPE |
Definition at line 453 of file AMDGPUAtomicOptimizer.cpp.
◆ false
| AMDGPU atomic false |
Definition at line 453 of file AMDGPUAtomicOptimizer.cpp.
◆ optimizations
| AMDGPU atomic optimizations |
Definition at line 453 of file AMDGPUAtomicOptimizer.cpp.
