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llvm-mirror/lib/Target/AMDGPU
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Nicolai Haehnle 1212f85a97 AMDGPU: Stay in WQM for non-intrinsic stores 
Summary:
Two types of stores are possible in pixel shaders: stores to memory that are
explicitly requested at the API level, and stores that are an implementation
detail of register spilling or lowering of arrays.

For the first kind of store, we must ensure that helper pixels have no effect
and hence WQM must be disabled. The second kind of store must always be
executed, because the written value may be loaded again in a way that is
relevant for helper pixels as well -- and there are no externally visible
effects anyway.

This is a candidate for the 3.9 release branch.

Reviewers: arsenm, tstellarAMD, mareko

Subscribers: arsenm, kzhuravl, llvm-commits

Differential Revision: https://reviews.llvm.org/D22675

llvm-svn: 277504
2016-08-02 19:31:14 +00:00
..
AsmParser [AMDGPU] Assembler: fix row_bcast parsing 2016-07-14 14:50:35 +00:00
Disassembler AMDGPU: Expand register indexing pseudos in custom inserter 2016-07-19 00:35:03 +00:00
InstPrinter AMDGPU: Remove unnecessary string usage in AsmPrinter 2016-07-05 22:06:56 +00:00
MCTargetDesc MC] Provide an MCTargetOptions to implementors of MCAsmBackendCtorTy, NFC 2016-07-25 17:18:28 +00:00
TargetInfo
Utils [AMDGPU] Enable absolute expression initializer for amd_kernel_code_t fields. 2016-06-23 14:13:06 +00:00
AMDGPU.h AMDGPU: Change fdiv lowering based on !fpmath metadata 2016-07-19 23:16:53 +00:00
AMDGPU.td AMDGPU: Add feature for unaligned access 2016-07-01 23:03:44 +00:00
AMDGPUAlwaysInlinePass.cpp
AMDGPUAnnotateKernelFeatures.cpp AMDGPU: Add HSA dispatch id intrinsic 2016-07-22 17:01:30 +00:00
AMDGPUAnnotateUniformValues.cpp
AMDGPUAsmPrinter.cpp MachineFunction: Return reference for getFrameInfo(); NFC 2016-07-28 18:40:00 +00:00
AMDGPUAsmPrinter.h AMDGPU: Delete more dead code 2016-07-22 17:01:25 +00:00
AMDGPUCallingConv.td AMDGPU: Fix kernel argument alignment impacting stack size 2016-06-18 05:15:53 +00:00
AMDGPUCallLowering.cpp
AMDGPUCallLowering.h
AMDGPUCodeGenPrepare.cpp AMDGPU: Use rcp for fdiv 1, x with fpmath metadata 2016-07-26 23:25:44 +00:00
AMDGPUFrameLowering.cpp MachineFunction: Return reference for getFrameInfo(); NFC 2016-07-28 18:40:00 +00:00
AMDGPUFrameLowering.h AMDGPU: Move R600 only pieces into R600 classes 2016-07-09 18:11:15 +00:00
AMDGPUInstrInfo.cpp AMDGPU: Move R600 only pieces into R600 classes 2016-07-09 18:11:15 +00:00
AMDGPUInstrInfo.h AMDGPU: Move R600 only pieces into R600 classes 2016-07-09 18:11:15 +00:00
AMDGPUInstrInfo.td AMDGPU : Add intrinsics for compare with the full wavefront result 2016-07-28 16:42:13 +00:00
AMDGPUInstructions.td AMDGPU: Fix i1 fp_to_int 2016-07-22 17:01:21 +00:00
AMDGPUIntrinsicInfo.cpp AMDGPU: Change fdiv lowering based on !fpmath metadata 2016-07-19 23:16:53 +00:00
AMDGPUIntrinsicInfo.h AMDGPU: Change fdiv lowering based on !fpmath metadata 2016-07-19 23:16:53 +00:00
AMDGPUIntrinsics.td AMDGPU: Remove read_workdim intrinsic 2016-07-25 20:17:02 +00:00
AMDGPUISelDAGToDAG.cpp MachineFunction: Return reference for getFrameInfo(); NFC 2016-07-28 18:40:00 +00:00
AMDGPUISelLowering.cpp AMDGPU : Add intrinsics for compare with the full wavefront result 2016-07-28 16:42:13 +00:00
AMDGPUISelLowering.h AMDGPU : Add intrinsics for compare with the full wavefront result 2016-07-28 16:42:13 +00:00
AMDGPUMachineFunction.cpp AMDGPU: Make AMDGPUMachineFunction fields private 2016-07-26 16:45:58 +00:00
AMDGPUMachineFunction.h AMDGPU: Make AMDGPUMachineFunction fields private 2016-07-26 16:45:58 +00:00
AMDGPUMCInstLower.cpp AMDGPU/SI: Add support for R_AMDGPU_GOTPCREL 2016-07-13 14:23:33 +00:00
AMDGPUMCInstLower.h
AMDGPUOpenCLImageTypeLoweringPass.cpp
AMDGPUPromoteAlloca.cpp AMDGPU: Remove pointless dyn_cast_or_null 2016-07-18 19:00:07 +00:00
AMDGPURegisterInfo.cpp AMDGPU: Move R600 only pieces into R600 classes 2016-07-09 18:11:15 +00:00
AMDGPURegisterInfo.h AMDGPU: Move R600 only pieces into R600 classes 2016-07-09 18:11:15 +00:00
AMDGPURegisterInfo.td
AMDGPURuntimeMetadata.h Re-commit [AMDGPU] Add metadata for runtime 2016-07-16 05:09:21 +00:00
AMDGPUSubtarget.cpp AMDGPU: Delete dead code 2016-07-25 19:06:25 +00:00
AMDGPUSubtarget.h AMDGPU: Delete dead code 2016-07-25 19:06:25 +00:00
AMDGPUTargetMachine.cpp [GlobalISel] Introduce an instruction selector. 2016-07-27 14:31:55 +00:00
AMDGPUTargetMachine.h AMDGPU: Delete more dead code 2016-07-22 17:01:25 +00:00
AMDGPUTargetObjectFile.cpp Revert "[AMDGPU] Emit read-only data to .rodata for hsa" 2016-07-22 23:46:40 +00:00
AMDGPUTargetObjectFile.h
AMDGPUTargetTransformInfo.cpp AMDGPU: Implement getLoadStoreVecRegBitWidth 2016-07-01 00:56:27 +00:00
AMDGPUTargetTransformInfo.h [TTI] The cost model should not assume vector casts get completely scalarized 2016-07-06 17:30:56 +00:00
AMDILCFGStructurizer.cpp AMDGPU: Remove implicit iterator conversions, NFC 2016-07-08 19:16:05 +00:00
AMDKernelCodeT.h
CaymanInstructions.td AMDGPU/R600: Add PatFrags for selecting the correct vtx id for loads 2016-07-05 00:12:51 +00:00
CIInstructions.td [AMDGPU] refactor DS instruction definitions. NFC. 2016-08-01 14:21:30 +00:00
CMakeLists.txt AMDGPU/R600: Delete/rename intrinsics no longer used by mesa 2016-07-14 05:47:17 +00:00
DSInstructions.td [AMDGPU] refactor DS instruction definitions. NFC. 2016-08-01 14:21:30 +00:00
EvergreenInstructions.td AMDGPU/R600: Replace barrier intrinsics 2016-07-18 18:34:59 +00:00
GCNHazardRecognizer.cpp AMDGPU: Cleanup subtarget handling. 2016-06-24 06:30:11 +00:00
GCNHazardRecognizer.h AMDGPU: Cleanup subtarget handling. 2016-06-24 06:30:11 +00:00
LLVMBuild.txt AMDGPU: Prune AMDGPUAsmParser in libdeps. 2016-07-09 07:54:27 +00:00
Processors.td AMDGPU: Fix crashes on unknown processor name 2016-06-02 18:37:16 +00:00
R600ClauseMergePass.cpp AMDGPU: Remove implicit iterator conversions, NFC 2016-07-08 19:16:05 +00:00
R600ControlFlowFinalizer.cpp AMDGPU: Delete more dead code 2016-07-22 17:01:25 +00:00
R600Defines.h
R600EmitClauseMarkers.cpp AMDGPU: Remove implicit iterator conversions, NFC 2016-07-08 19:16:05 +00:00
R600ExpandSpecialInstrs.cpp AMDGPU: Delete more dead code 2016-07-22 17:01:25 +00:00
R600FrameLowering.cpp AMDGPU: Cleanup subtarget handling. 2016-06-24 06:30:11 +00:00
R600FrameLowering.h AMDGPU: Cleanup subtarget handling. 2016-06-24 06:30:11 +00:00
R600InstrFormats.td
R600InstrInfo.cpp [AMDGPU] Fix lifetime of SmallVector temporaries. 2016-07-30 11:31:16 +00:00
R600InstrInfo.h AMDGPU/R600: Delete dead code. 2016-07-15 21:26:46 +00:00
R600Instructions.td AMDGPU: Fix TargetPrefix for remaining r600 intrinsics 2016-07-15 21:27:08 +00:00
R600Intrinsics.td AMDGPU: Fix TargetPrefix for remaining r600 intrinsics 2016-07-15 21:27:08 +00:00
R600ISelLowering.cpp AMDGPU/R600: Remove dead custom inserters 2016-07-26 21:03:38 +00:00
R600ISelLowering.h AMDGPU: Fix i1 fp_to_int 2016-07-22 17:01:21 +00:00
R600MachineFunctionInfo.cpp AMDGPU: Delete more dead code 2016-07-22 17:01:25 +00:00
R600MachineFunctionInfo.h AMDGPU: Delete more dead code 2016-07-22 17:01:25 +00:00
R600MachineScheduler.cpp CodeGen: Use MachineInstr& in TargetInstrInfo, NFC 2016-06-30 00:01:54 +00:00
R600MachineScheduler.h AMDGPU: Cleanup subtarget handling. 2016-06-24 06:30:11 +00:00
R600OptimizeVectorRegisters.cpp AMDGPU: Remove implicit iterator conversions, NFC 2016-07-08 19:16:05 +00:00
R600Packetizer.cpp CodeGen: Use MachineInstr& in TargetInstrInfo, NFC 2016-06-30 00:01:54 +00:00
R600RegisterInfo.cpp AMDGPU: Move R600 only pieces into R600 classes 2016-07-09 18:11:15 +00:00
R600RegisterInfo.h AMDGPU: Move R600 only pieces into R600 classes 2016-07-09 18:11:15 +00:00
R600RegisterInfo.td
R600Schedule.td AMDGPU: Fix trailing whitespace 2016-06-10 02:18:02 +00:00
R700Instructions.td
SIAnnotateControlFlow.cpp AMDGPU/SI: Don't handle a loop if there is no loop at all for a terminator BB. 2016-07-28 23:01:45 +00:00
SIDebuggerInsertNops.cpp AMDGPU: Cleanup subtarget handling. 2016-06-24 06:30:11 +00:00
SIDefines.h AMDGPU: Stay in WQM for non-intrinsic stores 2016-08-02 19:31:14 +00:00
SIFixControlFlowLiveIntervals.cpp Revert "AMDGPU: Remove unused control flow intrinsic" 2016-07-09 17:18:39 +00:00
SIFixSGPRCopies.cpp Revert "AMDGPU: Remove unused control flow intrinsic" 2016-07-09 17:18:39 +00:00
SIFoldOperands.cpp CodeGen: Use MachineInstr& in TargetInstrInfo, NFC 2016-06-30 00:01:54 +00:00
SIFrameLowering.cpp MachineFunction: Return reference for getFrameInfo(); NFC 2016-07-28 18:40:00 +00:00
SIFrameLowering.h [AMDGPU] Emit debugger prologue and emit the rest of the debugger fields in the kernel code header 2016-06-25 03:11:28 +00:00
SIInsertWaits.cpp AMDGPU: Remove implicit iterator conversions, NFC 2016-07-08 19:16:05 +00:00
SIInstrFormats.td AMDGPU: Stay in WQM for non-intrinsic stores 2016-08-02 19:31:14 +00:00
SIInstrInfo.cpp MachineFunction: Return reference for getFrameInfo(); NFC 2016-07-28 18:40:00 +00:00
SIInstrInfo.h AMDGPU: Stay in WQM for non-intrinsic stores 2016-08-02 19:31:14 +00:00
SIInstrInfo.td AMDGPU: Stay in WQM for non-intrinsic stores 2016-08-02 19:31:14 +00:00
SIInstructions.td AMDGPU: Stay in WQM for non-intrinsic stores 2016-08-02 19:31:14 +00:00
SIIntrinsics.td AMDGPU: Change fdiv lowering based on !fpmath metadata 2016-07-19 23:16:53 +00:00
SIISelLowering.cpp AMDGPU: Fix shouldConvertConstantLoadToIntImm behavior 2016-07-30 01:40:36 +00:00
SIISelLowering.h AMDGPU: Remove analyzeImmediate 2016-07-28 00:32:02 +00:00
SILoadStoreOptimizer.cpp AMDGPU: Move subtarget feature checks into passes 2016-06-27 20:32:13 +00:00
SILowerControlFlow.cpp AMDGPU: add execfix flag to SI_ELSE 2016-07-28 11:39:24 +00:00
SILowerI1Copies.cpp AMDGPU: Cleanup subtarget handling. 2016-06-24 06:30:11 +00:00
SIMachineFunctionInfo.cpp MachineFunction: Return reference for getFrameInfo(); NFC 2016-07-28 18:40:00 +00:00
SIMachineFunctionInfo.h AMDGPU: Make AMDGPUMachineFunction fields private 2016-07-26 16:45:58 +00:00
SIMachineScheduler.cpp AMDGPU/SI: Fix SI scheduler refcount issue 2016-07-19 00:35:22 +00:00
SIMachineScheduler.h
SIRegisterInfo.cpp MachineFunction: Return reference for getFrameInfo(); NFC 2016-07-28 18:40:00 +00:00
SIRegisterInfo.h AMDGPU/SI: Don't use reserved VGPRs for SGPR spilling 2016-07-28 14:30:43 +00:00
SIRegisterInfo.td [AMDGPU] Some code cleaning in SIRegisterInfo.td 2016-07-21 13:29:57 +00:00
SISchedule.td AMDGPU: Define a schedule class for COPY. 2016-06-24 23:52:11 +00:00
SIShrinkInstructions.cpp AMDGPU: Expand register indexing pseudos in custom inserter 2016-07-19 00:35:03 +00:00
SITypeRewriter.cpp
SIWholeQuadMode.cpp AMDGPU: Stay in WQM for non-intrinsic stores 2016-08-02 19:31:14 +00:00
VIInstrFormats.td [AMDGPU] refactor DS instruction definitions. NFC. 2016-08-01 14:21:30 +00:00
VIInstructions.td [AMDGPU] refactor DS instruction definitions. NFC. 2016-08-01 14:21:30 +00:00