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llvm-project/llvm/lib/Target/AMDGPU
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Daniel Sanders f76f315436 [globalisel][tablegen] Generate rule coverage and use it to identify untested rules 
Summary:
This patch adds a LLVM_ENABLE_GISEL_COV which, like LLVM_ENABLE_DAGISEL_COV,
causes TableGen to instrument the generated table to collect rule coverage
information. However, LLVM_ENABLE_GISEL_COV goes a bit further than
LLVM_ENABLE_DAGISEL_COV. The information is written to files
(${CMAKE_BINARY_DIR}/gisel-coverage-* by default). These files can then be
concatenated into ${LLVM_GISEL_COV_PREFIX}-all after which TableGen will
read this information and use it to emit warnings about untested rules.

This technique could also be used by SelectionDAG and can be further
extended to detect hot rules and give them priority over colder rules.

Usage:
* Enable LLVM_ENABLE_GISEL_COV in CMake
* Build the compiler and run some tests
* cat gisel-coverage-[0-9]* > gisel-coverage-all
* Delete lib/Target/*/*GenGlobalISel.inc*
* Build the compiler

Known issues:
* ${LLVM_GISEL_COV_PREFIX}-all must be generated as a manual
  step due to a lack of a portable 'cat' command. It should be the
  concatenation of all ${LLVM_GISEL_COV_PREFIX}-[0-9]* files.
* There's no mechanism to discard coverage information when the ruleset
  changes

Depends on D39742

Reviewers: ab, qcolombet, t.p.northover, aditya_nandakumar, rovka

Reviewed By: rovka

Subscribers: vsk, arsenm, nhaehnle, mgorny, kristof.beyls, javed.absar, igorb, llvm-commits

Differential Revision: https://reviews.llvm.org/D39747

llvm-svn: 318356
 		2017-11-16 00:46:35 +00:00
..
AsmParser AMDGPU: Improve note directive verification in assembler 2017-10-14 16:15:28 +00:00
Disassembler [AMDGPU] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes (NFC). 2017-08-10 00:46:15 +00:00
InstPrinter AMDGPU: Add R600InstPrinter class 2017-08-17 22:20:04 +00:00
MCTargetDesc [AMDGPU] Emit metadata for hidden arguments for kernel enqueue 2017-10-30 14:30:28 +00:00
TargetInfo Add backend name to Target to enable runtime info to be fed back into TableGen 2017-11-15 23:55:44 +00:00
Utils AMDGPU: Fix set but not used warnings related to AMDGPUAS 2017-11-01 19:12:38 +00:00
AMDGPU.h [AMDGPU] Clean up symbols in the global namespace. 2017-10-31 23:21:30 +00:00
AMDGPU.td AMDGPU: Don't use MUBUF vaddr if address may overflow 2017-11-15 00:45:43 +00:00
AMDGPUAliasAnalysis.cpp [AMDGPU] calling conventions for AMDPAL OS type 2017-09-29 09:51:22 +00:00
AMDGPUAliasAnalysis.h [AMDGPU] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes (NFC). 2017-08-08 23:53:55 +00:00
AMDGPUAlwaysInlinePass.cpp AMDGPU: Add option to stress calls 2017-09-21 07:00:48 +00:00
AMDGPUAnnotateKernelFeatures.cpp [Analysis] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes. Also affected in files (NFC). 2017-08-31 21:56:16 +00:00
AMDGPUAnnotateUniformValues.cpp AMDGPU: Fix converting unanalyzable global loads to SMRD 2017-07-12 23:06:18 +00:00
AMDGPUArgumentUsageInfo.cpp AMDGPU: Fix implicitarg.ptr handling special inputs 2017-08-03 23:12:44 +00:00
AMDGPUArgumentUsageInfo.h [AMDGPU] Fixed MSVC build break 2017-08-04 10:53:07 +00:00
AMDGPUAsmPrinter.cpp AMDGPU: Error on stack size overflow 2017-11-14 20:33:14 +00:00
AMDGPUAsmPrinter.h AMDGPU: Error on stack size overflow 2017-11-14 20:33:14 +00:00
AMDGPUCallLowering.cpp AMDGPU: Pass special input registers to functions 2017-08-03 23:00:29 +00:00
AMDGPUCallLowering.h AMDGPU: Start defining a calling convention 2017-05-17 21:56:25 +00:00
AMDGPUCallingConv.td AMDGPU: Initial implementation of calls 2017-08-01 19:54:18 +00:00
AMDGPUCodeGenPrepare.cpp [IR] redefine 'UnsafeAlgebra' / 'reassoc' fast-math-flags and add 'trans' fast-math-flag 2017-11-06 16:27:15 +00:00
AMDGPUFrameLowering.cpp [AMDGPU] Split R600/SI getFrameIndexReference and emit stack object offsets for SI 2017-03-10 19:39:07 +00:00
AMDGPUFrameLowering.h Move TargetFrameLowering.h to CodeGen where it's implemented 2017-11-03 22:32:11 +00:00
AMDGPUGenRegisterBankInfo.def [GlobalISel] Make GlobalISel a non-optional library. 2017-08-03 21:52:25 +00:00
AMDGPUISelDAGToDAG.cpp AMDGPU: Replace i64 add/sub lowering 2017-11-15 21:51:43 +00:00
AMDGPUISelLowering.cpp AMDGPU: Implement computeKnownBitsForTargetNode for mbcnt 2017-11-13 22:55:05 +00:00
AMDGPUISelLowering.h AMDGPU: Lower buffer store and atomic intrinsics manually 2017-11-09 01:52:48 +00:00
AMDGPUInline.cpp [AMDGPU] Port of HSAIL inliner 2017-09-20 04:25:58 +00:00
AMDGPUInstrInfo.cpp [AMDGPU][MC][GFX9] Added 16-bit renamed and "_legacy" VALU opcodes 2017-08-09 17:10:47 +00:00
AMDGPUInstrInfo.h Target/TargetInstrInfo.h -> CodeGen/TargetInstrInfo.h to match layering 2017-11-08 01:01:31 +00:00
AMDGPUInstrInfo.td Implement custom lowering for ISD::CTTZ_ZERO_UNDEF and ISD::CTTZ. 2017-10-12 19:37:14 +00:00
AMDGPUInstructionSelector.cpp [globalisel][tablegen] Generate rule coverage and use it to identify untested rules 2017-11-16 00:46:35 +00:00
AMDGPUInstructionSelector.h [globalisel][tablegen] Generate rule coverage and use it to identify untested rules 2017-11-16 00:46:35 +00:00
AMDGPUInstructions.td AMDGPU: Select d16 loads into low component of register 2017-11-13 00:22:09 +00:00
AMDGPUIntrinsicInfo.cpp Rename AttributeSet to AttributeList 2017-03-21 16:57:19 +00:00
AMDGPUIntrinsicInfo.h
…
AMDGPUIntrinsics.td AMDGPU: Remove legacy bfe intrinsics 2017-04-03 18:08:08 +00:00
AMDGPULegalizerInfo.cpp AMDGPU/GlobalISel: Mark 32-bit G_FADD as legal 2017-10-27 23:57:41 +00:00
AMDGPULegalizerInfo.h Re-commit AMDGPU/GlobalISel: Add support for simple shaders 2017-01-30 21:56:46 +00:00
AMDGPULibCalls.cpp [IR] redefine 'UnsafeAlgebra' / 'reassoc' fast-math-flags and add 'trans' fast-math-flag 2017-11-06 16:27:15 +00:00
AMDGPULibFunc.cpp [AMDGPU] Remove hardcoded address space value from AMDGPULibFunc 2017-11-04 17:37:43 +00:00
AMDGPULibFunc.h [AMDGPU] Remove hardcoded address space value from AMDGPULibFunc 2017-11-04 17:37:43 +00:00
AMDGPULowerIntrinsics.cpp Extend memcpy expansion in Transform/Utils to handle wider operand types. 2017-07-07 02:00:06 +00:00
AMDGPUMCInstLower.cpp Fix AMDGPU build issue 2017-10-11 23:53:36 +00:00
AMDGPUMCInstLower.h
…
AMDGPUMachineCFGStructurizer.cpp Reverting r315590; it did not include changes for llvm-tblgen, which is causing link errors for several people. 2017-10-15 14:32:27 +00:00
AMDGPUMachineFunction.cpp AMDGPU: Start defining a calling convention 2017-05-17 21:56:25 +00:00
AMDGPUMachineFunction.h Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
AMDGPUMachineModuleInfo.cpp AMDGPU: Implement memory model 2017-07-21 21:19:23 +00:00
AMDGPUMachineModuleInfo.h AMDGPU: Handle more than one memory operand in SIMemoryLegalizer 2017-09-07 16:14:21 +00:00
AMDGPUMacroFusion.cpp AMDGPU: Add macro fusion schedule DAG mutation 2017-07-06 20:57:05 +00:00
AMDGPUMacroFusion.h AMDGPU: Add macro fusion schedule DAG mutation 2017-07-06 20:57:05 +00:00
AMDGPUOpenCLEnqueuedBlockLowering.cpp AMDGPU: Fix set but not used warnings related to AMDGPUAS 2017-11-01 19:12:38 +00:00
AMDGPUOpenCLImageTypeLoweringPass.cpp [AMDGPU] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes (NFC). 2017-08-08 23:53:55 +00:00
AMDGPUPTNote.h AMDGPU/NFC: Move AMDGPU specific note types to ELF.h 2017-10-12 18:59:54 +00:00
AMDGPUPromoteAlloca.cpp AMDGPU: Fix assert on alloca of array of struct 2017-09-14 18:02:29 +00:00
AMDGPURegAsmNames.inc.cpp AMDGPU: Work around build special casing .inc files 2017-06-08 19:25:21 +00:00
AMDGPURegisterBankInfo.cpp [GlobalISel] Make GlobalISel a non-optional library. 2017-08-03 21:52:25 +00:00
AMDGPURegisterBankInfo.h Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
AMDGPURegisterBanks.td Re-commit AMDGPU/GlobalISel: Add support for simple shaders 2017-01-30 21:56:46 +00:00
AMDGPURegisterInfo.cpp AMDGPU: Make frame register caller preserved 2017-09-14 17:14:57 +00:00
AMDGPURegisterInfo.h AMDGPU: Start defining a calling convention 2017-05-17 21:56:25 +00:00
AMDGPURegisterInfo.td AMDGPU: Move INDIRECT_BASE_ADDR definition out of common files 2017-07-29 03:44:07 +00:00
AMDGPURewriteOutArguments.cpp [AMDGPU] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes (NFC). 2017-08-08 23:53:55 +00:00
AMDGPUSubtarget.cpp AMDGPU: Don't use MUBUF vaddr if address may overflow 2017-11-15 00:45:43 +00:00
AMDGPUSubtarget.h AMDGPU: Don't use MUBUF vaddr if address may overflow 2017-11-15 00:45:43 +00:00
AMDGPUTargetMachine.cpp [AMDGPU] Change alloca addr space of r600 to 5 for amdgiz environment 2017-11-06 14:32:33 +00:00
AMDGPUTargetMachine.h Revert "TargetMachine: Merge TargetMachine and LLVMTargetMachine" 2017-10-12 22:57:28 +00:00
AMDGPUTargetObjectFile.cpp AMDGPU: Fix set but not used warnings related to AMDGPUAS 2017-11-01 19:12:38 +00:00
AMDGPUTargetObjectFile.h [AMDGPU] Get address space mapping by target triple environment 2017-03-27 14:04:01 +00:00
AMDGPUTargetTransformInfo.cpp [AMDGPU] calling conventions for AMDPAL OS type 2017-09-29 09:51:22 +00:00
AMDGPUTargetTransformInfo.h [AMDGPU] Port of HSAIL inliner 2017-09-20 04:25:58 +00:00
AMDGPUUnifyDivergentExitNodes.cpp [Transforms] Fix some Clang-tidy modernize and Include What You Use warnings; other minor fixes (NFC). 2017-10-17 21:27:42 +00:00
AMDGPUUnifyMetadata.cpp [AMDGPU] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes (NFC). 2017-08-10 00:46:15 +00:00
AMDILCFGStructurizer.cpp [AMDGPU] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes (NFC). 2017-08-08 23:53:55 +00:00
AMDKernelCodeT.h [AMDGPU] Revert r310429 changes in AMDKernelCodeT.h which broke some build bots. 2017-08-09 00:06:29 +00:00
BUFInstructions.td AMDGPU: Select d16 loads into low component of register 2017-11-13 00:22:09 +00:00
CMakeLists.txt [AMDGPU] Lower enqueued blocks and generate runtime metadata 2017-10-10 19:39:48 +00:00
CaymanInstructions.td AMDGPU: Remove global isGCN predicates 2017-10-03 00:06:41 +00:00
DSInstructions.td AMDGPU: Add separate definitions for DS insts without m0 use 2017-11-15 01:34:06 +00:00
EvergreenInstructions.td AMDGPU: Cleanup local atomic node names 2017-10-23 17:16:43 +00:00
FLATInstructions.td AMDGPU: Select d16 loads into low component of register 2017-11-13 00:22:09 +00:00
GCNHazardRecognizer.cpp AMDGPU: Handle s_buffer_load_dword hazard on SI 2017-10-26 14:43:02 +00:00
GCNHazardRecognizer.h AMDGPU: Fix broken condition in hazard recognizer 2017-03-17 21:36:28 +00:00
GCNIterativeScheduler.cpp Reverting r315590; it did not include changes for llvm-tblgen, which is causing link errors for several people. 2017-10-15 14:32:27 +00:00
GCNIterativeScheduler.h [AMDGPU] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes (NFC). 2017-08-10 00:46:15 +00:00
GCNMinRegStrategy.cpp [AMDGPU] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes (NFC). 2017-08-08 23:53:55 +00:00
GCNProcessors.td AMDGPU/NFC: Split Processors.td into GCNProcessors.td and R600Processors.td 2017-11-10 20:01:58 +00:00
GCNRegPressure.cpp Reverting r315590; it did not include changes for llvm-tblgen, which is causing link errors for several people. 2017-10-15 14:32:27 +00:00
GCNRegPressure.h [AMDGPU] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes (NFC). 2017-08-10 00:46:15 +00:00
GCNSchedStrategy.cpp [CodeGen] Rename DEBUG_TYPE to match passnames 2017-07-11 22:08:28 +00:00
GCNSchedStrategy.h fix typos in comments and error messges; NFC 2017-07-13 06:48:39 +00:00
LLVMBuild.txt AMDGPU: Add GlobalISel to required_libraries. 2017-01-28 18:13:08 +00:00
MIMGInstructions.td AMDGPU: Remove global isGCN predicates 2017-10-03 00:06:41 +00:00
Processors.td AMDGPU/NFC: Split Processors.td into GCNProcessors.td and R600Processors.td 2017-11-10 20:01:58 +00:00
R600ClauseMergePass.cpp AMDGPU/R600: Initialize more passes 2017-08-02 22:19:45 +00:00
R600ControlFlowFinalizer.cpp [AMDGPU] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes (NFC). 2017-08-10 00:46:15 +00:00
R600Defines.h
…
R600EmitClauseMarkers.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
R600ExpandSpecialInstrs.cpp [AMDGPU] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes (NFC). 2017-08-10 00:46:15 +00:00
R600FrameLowering.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
R600FrameLowering.h AMDGPU: Initial implementation of calls 2017-08-01 19:54:18 +00:00
R600ISelLowering.cpp [AMDGPU] Fix pointer info for lowering load/store for r600 for amdgiz environment 2017-11-10 02:03:28 +00:00
R600ISelLowering.h Add DAG argument to canMergeStoresTo NFC. 2017-07-10 20:25:54 +00:00
R600InstrFormats.td AMDGPU: Remove global isGCN predicates 2017-10-03 00:06:41 +00:00
R600InstrInfo.cpp [AMDGPU] Fix pointer info for pseudo source for r600 2017-11-10 01:53:24 +00:00
R600InstrInfo.h [AMDGPU] Fix pointer info for pseudo source for r600 2017-11-10 01:53:24 +00:00
R600Instructions.td AMDGPU: Remove global isGCN predicates 2017-10-03 00:06:41 +00:00
R600Intrinsics.td AMDGPU: Make intrinsics speculatable 2017-05-02 16:57:44 +00:00
R600MachineFunctionInfo.cpp
…
R600MachineFunctionInfo.h
…
R600MachineScheduler.cpp [CodeGen] Rename DEBUG_TYPE to match passnames 2017-07-11 22:08:28 +00:00
R600MachineScheduler.h
…
R600OptimizeVectorRegisters.cpp [AMDGPU] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes (NFC). 2017-08-10 00:46:15 +00:00
R600Packetizer.cpp AMDGPU/R600: Initialize more passes 2017-08-02 22:19:45 +00:00
R600Processors.td AMDGPU/NFC: Split Processors.td into GCNProcessors.td and R600Processors.td 2017-11-10 20:01:58 +00:00
R600RegisterInfo.cpp AMDGPU: Start defining a calling convention 2017-05-17 21:56:25 +00:00
R600RegisterInfo.h AMDGPU: Start defining a calling convention 2017-05-17 21:56:25 +00:00
R600RegisterInfo.td AMDGPU: Move INDIRECT_BASE_ADDR definition out of common files 2017-07-29 03:44:07 +00:00
R600Schedule.td
…
R700Instructions.td
…
SIAnnotateControlFlow.cpp [AMDGPU] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes (NFC). 2017-08-08 00:47:13 +00:00
SIDebuggerInsertNops.cpp Sort the remaining #include lines in include/... and lib/.... 2017-06-06 11:49:48 +00:00
SIDefines.h [AMDGPU] calling conventions for AMDPAL OS type 2017-09-29 09:51:22 +00:00
SIFixSGPRCopies.cpp [AMDGPU] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes (NFC). 2017-08-08 00:47:13 +00:00
SIFixVGPRCopies.cpp [AMDGPU] Add VGPR copies post regalloc fix pass 2017-01-24 17:46:17 +00:00
SIFixWWMLiveness.cpp [AMDGPU] Add support for Whole Wavefront Mode 2017-08-04 18:36:52 +00:00
SIFoldOperands.cpp Remove unused variables 2017-10-15 05:35:02 +00:00
SIFrameLowering.cpp AMDGPU: Fix set but not used warnings related to AMDGPUAS 2017-11-01 19:12:38 +00:00
SIFrameLowering.h [AMDGPU] AMDPAL scratch buffer support 2017-09-29 09:49:35 +00:00
SIISelLowering.cpp AMDGPU: Replace i64 add/sub lowering 2017-11-15 21:51:43 +00:00
SIISelLowering.h AMDGPU: Don't use MUBUF vaddr if address may overflow 2017-11-15 00:45:43 +00:00
SIInsertSkips.cpp AMDGPU: Add new intrinsic llvm.amdgcn.kill(i1) 2017-10-24 10:27:13 +00:00
SIInsertWaitcnts.cpp Fix warnings discovered by rL317076. [-Wunused-private-field] 2017-11-01 13:47:55 +00:00
SIInsertWaits.cpp [AMDGPU] Fix some Clang-tidy modernize-use-using and Include What You Use warnings; other minor fixes (NFC). 2017-08-08 00:47:13 +00:00
SIInstrFormats.td AMDGPU: Remove global isGCN predicates 2017-10-03 00:06:41 +00:00
SIInstrInfo.cpp AMDGPU: Replace i64 add/sub lowering 2017-11-15 21:51:43 +00:00
SIInstrInfo.h AMDGPU: Replace i64 add/sub lowering 2017-11-15 21:51:43 +00:00
SIInstrInfo.td AMDGPU: Select d16 loads into low component of register 2017-11-13 00:22:09 +00:00
SIInstructions.td AMDGPU: Replace i64 add/sub lowering 2017-11-15 21:51:43 +00:00
SIIntrinsics.td AMDGPU: Remove legacy export intrinsic 2017-04-04 16:34:39 +00:00
SILoadStoreOptimizer.cpp Fix "default label in switch which covers all enumeration values" warning 2017-11-09 07:46:13 +00:00
SILowerControlFlow.cpp AMDGPU: Add new intrinsic llvm.amdgcn.kill(i1) 2017-10-24 10:27:13 +00:00
SILowerI1Copies.cpp AMDGPU: VALU carry-in and v_cndmask condition cannot be EXEC 2017-09-29 15:37:31 +00:00
SIMachineFunctionInfo.cpp [AMDGPU] AMDPAL scratch buffer support 2017-09-29 09:49:35 +00:00
SIMachineFunctionInfo.h Target/TargetInstrInfo.h -> CodeGen/TargetInstrInfo.h to match layering 2017-11-08 01:01:31 +00:00
SIMachineScheduler.cpp AMDGPU/SI: Fix Depth and Height computation for SI scheduler 2017-07-25 20:37:03 +00:00
SIMachineScheduler.h AMDGPU/SI: Force exports at the end for SI scheduler 2017-07-25 20:36:58 +00:00
SIMemoryLegalizer.cpp AMDGPU: Handle non-temporal loads and stores 2017-09-07 17:14:54 +00:00
SIOptimizeExecMasking.cpp AMDGPU: Fix producing saveexec when the copy is spilled 2017-11-14 02:16:54 +00:00
SIOptimizeExecMaskingPreRA.cpp AMDGPU: Recompute scc liveness 2017-09-08 18:51:26 +00:00
SIPeepholeSDWA.cpp AMDGPU: Fix missing skipFunction calls 2017-10-10 20:48:36 +00:00
SIRegisterInfo.cpp AMDGPU: Fix not converting d16 load/stores to offset 2017-11-13 23:24:26 +00:00
SIRegisterInfo.h [SystemZ] implement shouldCoalesce() 2017-09-29 14:31:39 +00:00
SIRegisterInfo.td AMDGPU: VALU carry-in and v_cndmask condition cannot be EXEC 2017-09-29 15:37:31 +00:00
SISchedule.td AMDGPU: Implement early ifcvt target hooks. 2017-01-25 04:25:02 +00:00
SIShrinkInstructions.cpp AMDGPU: Allow SIShrinkInstructions to fold FrameIndexes 2017-07-10 20:04:35 +00:00
SIWholeQuadMode.cpp [AMDGPU] Implement llvm.amdgcn.set.inactive intrinsic 2017-08-04 18:36:54 +00:00
SMInstructions.td AMDGPU: Select s_buffer_load_dword with a non-constant SGPR offset 2017-10-31 21:06:42 +00:00
SOPInstructions.td AMDGPU: Add llvm.amdgcn.wqm.vote intrinsic 2017-10-24 10:26:59 +00:00
VIInstrFormats.td
…
VIInstructions.td
…
VOP1Instructions.td AMDGPU: Remove global isGCN predicates 2017-10-03 00:06:41 +00:00
VOP2Instructions.td AMDGPU: Remove global isGCN predicates 2017-10-03 00:06:41 +00:00
VOP3Instructions.td AMDGPU: Set correct sched model on v_mad_u64_u32 2017-11-08 00:48:25 +00:00
VOP3PInstructions.td AMDGPU: Add max-mix-insts subtarget feature 2017-10-25 07:00:51 +00:00
VOPCInstructions.td AMDGPU: Remove global isGCN predicates 2017-10-03 00:06:41 +00:00
VOPInstructions.td AMDGPU: Fold clamp modifier for packed instructions 2017-08-31 23:53:50 +00:00