Files
clang-p2996/llvm/lib/Target/AMDGPU/AMDGPU.h
Stanislav Mekhanoshin 555d8f4ef5 [AMDGPU] Bundle loads before post-RA scheduler
We are relying on atrificial DAG edges inserted by the
MemOpClusterMutation to keep loads and stores together in the
post-RA scheduler. This does not work all the time since it
allows to schedule a completely independent instruction in the
middle of the cluster.

Removed the DAG mutation and added pass to bundle already
clustered instructions. These bundles are unpacked before the
memory legalizer because it does not work with bundles but also
because it allows to insert waitcounts in the middle of a store
cluster.

Removing artificial edges also allows a more relaxed scheduling.

Differential Revision: https://reviews.llvm.org/D72737
2020-01-24 11:33:38 -08:00

328 lines
11 KiB
C++

//===-- AMDGPU.h - MachineFunction passes hw codegen --------------*- C++ -*-=//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
/// \file
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_AMDGPU_AMDGPU_H
#define LLVM_LIB_TARGET_AMDGPU_AMDGPU_H
#include "llvm/Target/TargetMachine.h"
#include "llvm/IR/IntrinsicsR600.h" // TODO: Sink this.
#include "llvm/IR/IntrinsicsAMDGPU.h" // TODO: Sink this.
namespace llvm {
class AMDGPUTargetMachine;
class FunctionPass;
class GCNTargetMachine;
class ModulePass;
class Pass;
class Target;
class TargetMachine;
class TargetOptions;
class PassRegistry;
class Module;
// GlobalISel passes
void initializeAMDGPUPreLegalizerCombinerPass(PassRegistry &);
FunctionPass *createAMDGPUPreLegalizeCombiner(bool IsOptNone);
// R600 Passes
FunctionPass *createR600VectorRegMerger();
FunctionPass *createR600ExpandSpecialInstrsPass();
FunctionPass *createR600EmitClauseMarkers();
FunctionPass *createR600ClauseMergePass();
FunctionPass *createR600Packetizer();
FunctionPass *createR600ControlFlowFinalizer();
FunctionPass *createAMDGPUCFGStructurizerPass();
FunctionPass *createR600ISelDag(TargetMachine *TM, CodeGenOpt::Level OptLevel);
// SI Passes
FunctionPass *createGCNDPPCombinePass();
FunctionPass *createSIAnnotateControlFlowPass();
FunctionPass *createSIFoldOperandsPass();
FunctionPass *createSIPeepholeSDWAPass();
FunctionPass *createSILowerI1CopiesPass();
FunctionPass *createSIFixupVectorISelPass();
FunctionPass *createSIAddIMGInitPass();
FunctionPass *createSIShrinkInstructionsPass();
FunctionPass *createSILoadStoreOptimizerPass();
FunctionPass *createSIWholeQuadModePass();
FunctionPass *createSIFixControlFlowLiveIntervalsPass();
FunctionPass *createSIOptimizeExecMaskingPreRAPass();
FunctionPass *createSIFixSGPRCopiesPass();
FunctionPass *createSIMemoryLegalizerPass();
FunctionPass *createSIInsertWaitcntsPass();
FunctionPass *createSIPreAllocateWWMRegsPass();
FunctionPass *createSIFormMemoryClausesPass();
FunctionPass *createSIPostRABundlerPass();
FunctionPass *createAMDGPUSimplifyLibCallsPass(const TargetOptions &,
const TargetMachine *);
FunctionPass *createAMDGPUUseNativeCallsPass();
FunctionPass *createAMDGPUCodeGenPreparePass();
FunctionPass *createAMDGPUMachineCFGStructurizerPass();
FunctionPass *createAMDGPUPropagateAttributesEarlyPass(const TargetMachine *);
ModulePass *createAMDGPUPropagateAttributesLatePass(const TargetMachine *);
FunctionPass *createAMDGPURewriteOutArgumentsPass();
FunctionPass *createSIModeRegisterPass();
void initializeAMDGPUDAGToDAGISelPass(PassRegistry&);
void initializeAMDGPUMachineCFGStructurizerPass(PassRegistry&);
extern char &AMDGPUMachineCFGStructurizerID;
void initializeAMDGPUAlwaysInlinePass(PassRegistry&);
Pass *createAMDGPUAnnotateKernelFeaturesPass();
void initializeAMDGPUAnnotateKernelFeaturesPass(PassRegistry &);
extern char &AMDGPUAnnotateKernelFeaturesID;
FunctionPass *createAMDGPUAtomicOptimizerPass();
void initializeAMDGPUAtomicOptimizerPass(PassRegistry &);
extern char &AMDGPUAtomicOptimizerID;
ModulePass *createAMDGPULowerIntrinsicsPass();
void initializeAMDGPULowerIntrinsicsPass(PassRegistry &);
extern char &AMDGPULowerIntrinsicsID;
ModulePass *createAMDGPUFixFunctionBitcastsPass();
void initializeAMDGPUFixFunctionBitcastsPass(PassRegistry &);
extern char &AMDGPUFixFunctionBitcastsID;
FunctionPass *createAMDGPULowerKernelArgumentsPass();
void initializeAMDGPULowerKernelArgumentsPass(PassRegistry &);
extern char &AMDGPULowerKernelArgumentsID;
ModulePass *createAMDGPULowerKernelAttributesPass();
void initializeAMDGPULowerKernelAttributesPass(PassRegistry &);
extern char &AMDGPULowerKernelAttributesID;
void initializeAMDGPUPropagateAttributesEarlyPass(PassRegistry &);
extern char &AMDGPUPropagateAttributesEarlyID;
void initializeAMDGPUPropagateAttributesLatePass(PassRegistry &);
extern char &AMDGPUPropagateAttributesLateID;
void initializeAMDGPURewriteOutArgumentsPass(PassRegistry &);
extern char &AMDGPURewriteOutArgumentsID;
void initializeGCNDPPCombinePass(PassRegistry &);
extern char &GCNDPPCombineID;
void initializeR600ClauseMergePassPass(PassRegistry &);
extern char &R600ClauseMergePassID;
void initializeR600ControlFlowFinalizerPass(PassRegistry &);
extern char &R600ControlFlowFinalizerID;
void initializeR600ExpandSpecialInstrsPassPass(PassRegistry &);
extern char &R600ExpandSpecialInstrsPassID;
void initializeR600VectorRegMergerPass(PassRegistry &);
extern char &R600VectorRegMergerID;
void initializeR600PacketizerPass(PassRegistry &);
extern char &R600PacketizerID;
void initializeSIFoldOperandsPass(PassRegistry &);
extern char &SIFoldOperandsID;
void initializeSIPeepholeSDWAPass(PassRegistry &);
extern char &SIPeepholeSDWAID;
void initializeSIShrinkInstructionsPass(PassRegistry&);
extern char &SIShrinkInstructionsID;
void initializeSIFixSGPRCopiesPass(PassRegistry &);
extern char &SIFixSGPRCopiesID;
void initializeSIFixVGPRCopiesPass(PassRegistry &);
extern char &SIFixVGPRCopiesID;
void initializeSIFixupVectorISelPass(PassRegistry &);
extern char &SIFixupVectorISelID;
void initializeSILowerI1CopiesPass(PassRegistry &);
extern char &SILowerI1CopiesID;
void initializeSILowerSGPRSpillsPass(PassRegistry &);
extern char &SILowerSGPRSpillsID;
void initializeSILoadStoreOptimizerPass(PassRegistry &);
extern char &SILoadStoreOptimizerID;
void initializeSIWholeQuadModePass(PassRegistry &);
extern char &SIWholeQuadModeID;
void initializeSILowerControlFlowPass(PassRegistry &);
extern char &SILowerControlFlowID;
void initializeSIRemoveShortExecBranchesPass(PassRegistry &);
extern char &SIRemoveShortExecBranchesID;
void initializeSIInsertSkipsPass(PassRegistry &);
extern char &SIInsertSkipsPassID;
void initializeSIOptimizeExecMaskingPass(PassRegistry &);
extern char &SIOptimizeExecMaskingID;
void initializeSIPreAllocateWWMRegsPass(PassRegistry &);
extern char &SIPreAllocateWWMRegsID;
void initializeAMDGPUSimplifyLibCallsPass(PassRegistry &);
extern char &AMDGPUSimplifyLibCallsID;
void initializeAMDGPUUseNativeCallsPass(PassRegistry &);
extern char &AMDGPUUseNativeCallsID;
void initializeSIAddIMGInitPass(PassRegistry &);
extern char &SIAddIMGInitID;
void initializeAMDGPUPerfHintAnalysisPass(PassRegistry &);
extern char &AMDGPUPerfHintAnalysisID;
// Passes common to R600 and SI
FunctionPass *createAMDGPUPromoteAlloca();
void initializeAMDGPUPromoteAllocaPass(PassRegistry&);
extern char &AMDGPUPromoteAllocaID;
Pass *createAMDGPUStructurizeCFGPass();
FunctionPass *createAMDGPUISelDag(
TargetMachine *TM = nullptr,
CodeGenOpt::Level OptLevel = CodeGenOpt::Default);
ModulePass *createAMDGPUAlwaysInlinePass(bool GlobalOpt = true);
ModulePass *createR600OpenCLImageTypeLoweringPass();
FunctionPass *createAMDGPUAnnotateUniformValues();
ModulePass *createAMDGPUPrintfRuntimeBinding();
void initializeAMDGPUPrintfRuntimeBindingPass(PassRegistry&);
extern char &AMDGPUPrintfRuntimeBindingID;
ModulePass* createAMDGPUUnifyMetadataPass();
void initializeAMDGPUUnifyMetadataPass(PassRegistry&);
extern char &AMDGPUUnifyMetadataID;
void initializeSIOptimizeExecMaskingPreRAPass(PassRegistry&);
extern char &SIOptimizeExecMaskingPreRAID;
void initializeAMDGPUAnnotateUniformValuesPass(PassRegistry&);
extern char &AMDGPUAnnotateUniformValuesPassID;
void initializeAMDGPUCodeGenPreparePass(PassRegistry&);
extern char &AMDGPUCodeGenPrepareID;
void initializeSIAnnotateControlFlowPass(PassRegistry&);
extern char &SIAnnotateControlFlowPassID;
void initializeSIMemoryLegalizerPass(PassRegistry&);
extern char &SIMemoryLegalizerID;
void initializeSIModeRegisterPass(PassRegistry&);
extern char &SIModeRegisterID;
void initializeSIInsertWaitcntsPass(PassRegistry&);
extern char &SIInsertWaitcntsID;
void initializeSIFormMemoryClausesPass(PassRegistry&);
extern char &SIFormMemoryClausesID;
void initializeSIPostRABundlerPass(PassRegistry&);
extern char &SIPostRABundlerID;
void initializeAMDGPUUnifyDivergentExitNodesPass(PassRegistry&);
extern char &AMDGPUUnifyDivergentExitNodesID;
ImmutablePass *createAMDGPUAAWrapperPass();
void initializeAMDGPUAAWrapperPassPass(PassRegistry&);
ImmutablePass *createAMDGPUExternalAAWrapperPass();
void initializeAMDGPUExternalAAWrapperPass(PassRegistry&);
void initializeAMDGPUArgumentUsageInfoPass(PassRegistry &);
Pass *createAMDGPUFunctionInliningPass();
void initializeAMDGPUInlinerPass(PassRegistry&);
ModulePass *createAMDGPUOpenCLEnqueuedBlockLoweringPass();
void initializeAMDGPUOpenCLEnqueuedBlockLoweringPass(PassRegistry &);
extern char &AMDGPUOpenCLEnqueuedBlockLoweringID;
void initializeGCNRegBankReassignPass(PassRegistry &);
extern char &GCNRegBankReassignID;
void initializeGCNNSAReassignPass(PassRegistry &);
extern char &GCNNSAReassignID;
namespace AMDGPU {
enum TargetIndex {
TI_CONSTDATA_START,
TI_SCRATCH_RSRC_DWORD0,
TI_SCRATCH_RSRC_DWORD1,
TI_SCRATCH_RSRC_DWORD2,
TI_SCRATCH_RSRC_DWORD3
};
}
} // End namespace llvm
/// OpenCL uses address spaces to differentiate between
/// various memory regions on the hardware. On the CPU
/// all of the address spaces point to the same memory,
/// however on the GPU, each address space points to
/// a separate piece of memory that is unique from other
/// memory locations.
namespace AMDGPUAS {
enum : unsigned {
// The maximum value for flat, generic, local, private, constant and region.
MAX_AMDGPU_ADDRESS = 7,
FLAT_ADDRESS = 0, ///< Address space for flat memory.
GLOBAL_ADDRESS = 1, ///< Address space for global memory (RAT0, VTX0).
REGION_ADDRESS = 2, ///< Address space for region memory. (GDS)
CONSTANT_ADDRESS = 4, ///< Address space for constant memory (VTX2).
LOCAL_ADDRESS = 3, ///< Address space for local memory.
PRIVATE_ADDRESS = 5, ///< Address space for private memory.
CONSTANT_ADDRESS_32BIT = 6, ///< Address space for 32-bit constant memory.
BUFFER_FAT_POINTER = 7, ///< Address space for 160-bit buffer fat pointers.
/// Address space for direct addressible parameter memory (CONST0).
PARAM_D_ADDRESS = 6,
/// Address space for indirect addressible parameter memory (VTX1).
PARAM_I_ADDRESS = 7,
// Do not re-order the CONSTANT_BUFFER_* enums. Several places depend on
// this order to be able to dynamically index a constant buffer, for
// example:
//
// ConstantBufferAS = CONSTANT_BUFFER_0 + CBIdx
CONSTANT_BUFFER_0 = 8,
CONSTANT_BUFFER_1 = 9,
CONSTANT_BUFFER_2 = 10,
CONSTANT_BUFFER_3 = 11,
CONSTANT_BUFFER_4 = 12,
CONSTANT_BUFFER_5 = 13,
CONSTANT_BUFFER_6 = 14,
CONSTANT_BUFFER_7 = 15,
CONSTANT_BUFFER_8 = 16,
CONSTANT_BUFFER_9 = 17,
CONSTANT_BUFFER_10 = 18,
CONSTANT_BUFFER_11 = 19,
CONSTANT_BUFFER_12 = 20,
CONSTANT_BUFFER_13 = 21,
CONSTANT_BUFFER_14 = 22,
CONSTANT_BUFFER_15 = 23,
// Some places use this if the address space can't be determined.
UNKNOWN_ADDRESS_SPACE = ~0u,
};
}
#endif