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f13abceda7
llvm-mirror/lib/Target/AMDGPU
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Tom Stellard f13abceda7 AMDGPU: Implement expansion of f16 = FP_TO_FP16 f64 
I wanted to implement this as a target independent expansion, however when
targets say they want to expand FP_TO_FP16 what they actually want is
the unsafe math expansion when possible and expansion to a libcall in all
other cases.

The only way to make this work as a target independent would be to add logic
to target's TargetLowering construction to mark theses nodes as Expand when
LegalizeDAG can use the unsafe expansion and mark them as LibCall when it
cannot.  I think this would be possible, but I think it would be too fragile
and complex as it would require targets to keep their expansion logic up
to date with the code in LegalizeDAG.

Reviewers: bogner, ab, t.p.northover, arsenm

Subscribers: wdng, llvm-commits, nhaehnle

Differential Revision: https://reviews.llvm.org/D25999

llvm-svn: 285704
2016-11-01 16:31:48 +00:00
..
AsmParser AMDGPU: Whitespace fixes 2016-11-01 00:55:14 +00:00
Disassembler AMDGPU: Whitespace fixes 2016-11-01 00:55:14 +00:00
InstPrinter [AMDGPU][MC][gfx8] Support 20-bit immediate offset in SMEM instructions. 2016-10-31 16:07:39 +00:00
MCTargetDesc AMDGPU: Use 1/2pi inline imm on VI 2016-10-29 04:05:06 +00:00
TargetInfo Move the global variables representing each Target behind accessor function 2016-10-09 23:00:34 +00:00
Utils AMDGPU/SI: Handle hazard with > 8 byte VMEM stores 2016-10-27 23:05:31 +00:00
AMDGPU.h Move the global variables representing each Target behind accessor function 2016-10-09 23:00:34 +00:00
AMDGPU.td AMDGPU: Whitespace fixes 2016-11-01 00:55:14 +00:00
AMDGPUAlwaysInlinePass.cpp Use StringRef in Pass/PassManager APIs (NFC) 2016-10-01 02:56:57 +00:00
AMDGPUAnnotateKernelFeatures.cpp Use StringRef in Pass/PassManager APIs (NFC) 2016-10-01 02:56:57 +00:00
AMDGPUAnnotateUniformValues.cpp Use StringRef in Pass/PassManager APIs (NFC) 2016-10-01 02:56:57 +00:00
AMDGPUAsmPrinter.cpp AMDGPU: Diagnose using too many SGPRs 2016-10-28 20:31:47 +00:00
AMDGPUAsmPrinter.h Reapply "AMDGPU: Support using tablegened MC pseudo expansions" 2016-10-06 17:19:11 +00:00
AMDGPUCallingConv.td AMDGPU: Fix kernel argument alignment impacting stack size 2016-06-18 05:15:53 +00:00
AMDGPUCallLowering.cpp GlobalISel: pass Function to lowerFormalArguments directly (NFC). 2016-09-21 12:57:35 +00:00
AMDGPUCallLowering.h GlobalISel: pass Function to lowerFormalArguments directly (NFC). 2016-09-21 12:57:35 +00:00
AMDGPUCodeGenPrepare.cpp [AMDGPU] AMDGPUCodeGenPrepare: remove extra ';' 2016-10-07 14:39:53 +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] Assembler: support v_mac_f32 DPP and SDWA. Move getNamedOperandIdx to AMDGPUBaseInfo.h 2016-10-07 14:46:06 +00:00
AMDGPUInstrInfo.h [AMDGPU] Assembler: support v_mac_f32 DPP and SDWA. Move getNamedOperandIdx to AMDGPUBaseInfo.h 2016-10-07 14:46:06 +00:00
AMDGPUInstrInfo.td AMDGPU: Select mulhi 24-bit instructions 2016-08-27 01:32:27 +00:00
AMDGPUInstructions.td [AMDGPU] add fcopysign(f64, f32) pattern 2016-10-20 16:17:54 +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 AMDGPU: Select 64-bit {ADD,SUB}{C,E} nodes 2016-10-14 10:30:00 +00:00
AMDGPUISelLowering.cpp AMDGPU: Implement expansion of f16 = FP_TO_FP16 f64 2016-11-01 16:31:48 +00:00
AMDGPUISelLowering.h AMDGPU: Implement expansion of f16 = FP_TO_FP16 f64 2016-11-01 16:31:48 +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] Emit 32-bit lo/hi got and pc relative variant kinds for external and global address space variables 2016-10-14 04:37:34 +00:00
AMDGPUMCInstLower.h Reapply "AMDGPU: Support using tablegened MC pseudo expansions" 2016-10-06 17:19:11 +00:00
AMDGPUOpenCLImageTypeLoweringPass.cpp Use StringRef in Pass/PassManager APIs (NFC) 2016-10-01 02:56:57 +00:00
AMDGPUPromoteAlloca.cpp Use StringRef in Pass/PassManager APIs (NFC) 2016-10-01 02:56:57 +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 AMDGPU: Add hidden kernel arguments to runtime metadata 2016-09-07 17:44:00 +00:00
AMDGPUSubtarget.cpp AMDGPU: Use 1/2pi inline imm on VI 2016-10-29 04:05:06 +00:00
AMDGPUSubtarget.h AMDGPU: Use 1/2pi inline imm on VI 2016-10-29 04:05:06 +00:00
AMDGPUTargetMachine.cpp Move the global variables representing each Target behind accessor function 2016-10-09 23:00:34 +00:00
AMDGPUTargetMachine.h AMDGPU: Delete more dead code 2016-07-22 17:01:25 +00:00
AMDGPUTargetObjectFile.cpp Target: Change various section classifiers in TargetLoweringObjectFile to take a GlobalObject. 2016-10-24 19:23:39 +00:00
AMDGPUTargetObjectFile.h Target: Change various section classifiers in TargetLoweringObjectFile to take a GlobalObject. 2016-10-24 19:23:39 +00:00
AMDGPUTargetTransformInfo.cpp Add new target hooks for LoadStoreVectorizer 2016-10-03 10:31:34 +00:00
AMDGPUTargetTransformInfo.h Do a sweep over move ctors and remove those that are identical to the default. 2016-10-20 12:20:28 +00:00
AMDILCFGStructurizer.cpp Use StringRef in Pass/PassManager APIs (NFC) 2016-10-01 02:56:57 +00:00
AMDKernelCodeT.h [AMDGPU] fix amd_kernel_code_t bit field position as per spec (added missing reserved fields) 2016-02-24 10:54:25 +00:00
BUFInstructions.td AMDGPU: Whitespace fixes 2016-11-01 00:55:14 +00:00
CaymanInstructions.td AMDGPU: Select mulhi 24-bit instructions 2016-08-27 01:32:27 +00:00
CIInstructions.td [AMDGPU] Refactor VOP1 and VOP2 instruction TD definitions 2016-09-23 09:08:07 +00:00
CMakeLists.txt Reapply "AMDGPU: Support using tablegened MC pseudo expansions" 2016-10-06 17:19:11 +00:00
DSInstructions.td AMDGPU: Whitespace fixes 2016-11-01 00:55:14 +00:00
EvergreenInstructions.td AMDGPU: Select mulhi 24-bit instructions 2016-08-27 01:32:27 +00:00
FLATInstructions.td AMDGPU: Rename glc operand type 2016-10-28 21:55:08 +00:00
GCNHazardRecognizer.cpp AMDGPU/SI: Handle hazard with s_rfe_b64 2016-10-27 23:50:21 +00:00
GCNHazardRecognizer.h AMDGPU/SI: Handle hazard with s_rfe_b64 2016-10-27 23:50:21 +00:00
GCNSchedStrategy.cpp AMDGPU: Whitespace fixes 2016-11-01 00:55:14 +00:00
GCNSchedStrategy.h AMDGPU/SI: Implement a custom MachineSchedStrategy 2016-08-29 19:42:52 +00:00
LLVMBuild.txt AMDGPU: Prune AMDGPUAsmParser in libdeps. 2016-07-09 07:54:27 +00:00
MIMGInstructions.td AMDGPU: Rename glc operand type 2016-10-28 21:55:08 +00:00
Processors.td AMDGPU: Refactor processor definition to use ISA version features 2016-10-26 16:37:56 +00:00
R600ClauseMergePass.cpp Use StringRef in Pass/PassManager APIs (NFC) 2016-10-01 02:56:57 +00:00
R600ControlFlowFinalizer.cpp Use StringRef in Pass/PassManager APIs (NFC) 2016-10-01 02:56:57 +00:00
R600Defines.h AMDGPU: R600 code splitting cleanup 2016-03-11 08:00:27 +00:00
R600EmitClauseMarkers.cpp Use StringRef in Pass/PassManager APIs (NFC) 2016-10-01 02:56:57 +00:00
R600ExpandSpecialInstrs.cpp Use StringRef in Pass/PassManager APIs (NFC) 2016-10-01 02:56:57 +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 AMDGPU/R600: Convert buffer id to VTX_READ input 2016-08-15 21:38:30 +00:00
R600InstrInfo.cpp Finish renaming remaining analyzeBranch functions 2016-09-14 20:43:16 +00:00
R600InstrInfo.h Finish renaming remaining analyzeBranch functions 2016-09-14 20:43:16 +00:00
R600Instructions.td Target: Remove unused patterns and transforms. NFC. 2016-10-07 00:30:49 +00:00
R600Intrinsics.td AMDGPU: Fix TargetPrefix for remaining r600 intrinsics 2016-07-15 21:27:08 +00:00
R600ISelLowering.cpp AMDGPU: Refactor kernel argument lowering 2016-09-16 21:53:00 +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 Use StringRef in Pass/PassManager APIs (NFC) 2016-10-01 02:56:57 +00:00
R600Packetizer.cpp Use StringRef in Pass/PassManager APIs (NFC) 2016-10-01 02:56:57 +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 Use StringRef in Pass/PassManager APIs (NFC) 2016-10-01 02:56:57 +00:00
SIDebuggerInsertNops.cpp Use StringRef in Pass/PassManager APIs (NFC) 2016-10-01 02:56:57 +00:00
SIDefines.h AMDGPU: Add definitions for scalar store instructions 2016-10-28 21:55:15 +00:00
SIFixControlFlowLiveIntervals.cpp Use StringRef in Pass/PassManager APIs (NFC) 2016-10-01 02:56:57 +00:00
SIFixSGPRCopies.cpp Use StringRef in Pass/PassManager APIs (NFC) 2016-10-01 02:56:57 +00:00
SIFoldOperands.cpp AMDGPU: Don't fold undef uses or copies with implicit uses 2016-10-06 18:12:13 +00:00
SIFrameLowering.cpp AMDGPU: Fix using incorrect private resource with no allocation 2016-10-28 19:43:31 +00:00
SIFrameLowering.h AMDGPU: Refactor frame lowering 2016-08-31 21:52:21 +00:00
SIInsertSkips.cpp Use StringRef in Pass/PassManager APIs (NFC) 2016-10-01 02:56:57 +00:00
SIInsertWaits.cpp AMDGPU/SI: Don't use non-0 waitcnt values when waiting on Flat instructions 2016-10-28 23:53:48 +00:00
SIInstrFormats.td AMDGPU: Add definitions for scalar store instructions 2016-10-28 21:55:15 +00:00
SIInstrInfo.cpp AMDGPU: Use 1/2pi inline imm on VI 2016-10-29 04:05:06 +00:00
SIInstrInfo.h AMDGPU/SI: Don't use non-0 waitcnt values when waiting on Flat instructions 2016-10-28 23:53:48 +00:00
SIInstrInfo.td AMDGPU: Rename glc operand type 2016-10-28 21:55:08 +00:00
SIInstructions.td AMDGPU: Fix counting si_mask_branch as 4 bytes 2016-10-26 14:53:54 +00:00
SIIntrinsics.td AMDGPU: Allow some control flow intrinsics to be CSEd 2016-09-16 22:11:18 +00:00
SIISelLowering.cpp AMDGPU/SI: Don't emit multi-dword flat memory ops when they might access scratch 2016-10-26 14:38:47 +00:00
SIISelLowering.h [AMDGPU] Emit constant address space data in .rodata section and use relocations instead of fixups (amdhsa only) 2016-10-20 18:12:38 +00:00
SILoadStoreOptimizer.cpp AMDGPU: Fix SILoadStoreOptimizer when writes cannot be merged due register dependencies 2016-10-27 08:15:07 +00:00
SILowerControlFlow.cpp Use StringRef in Pass/PassManager APIs (NFC) 2016-10-01 02:56:57 +00:00
SILowerI1Copies.cpp Use StringRef in Pass/PassManager APIs (NFC) 2016-10-01 02:56:57 +00:00
SIMachineFunctionInfo.cpp AMDGPU/SI: Add support for triples with the mesa3d operating system 2016-09-16 21:34:26 +00:00
SIMachineFunctionInfo.h [AMDGPU] Wave and register controls 2016-09-06 20:22:28 +00:00
SIMachineScheduler.cpp AMDGPU/SI: Use a better method for determining the largest pressure sets 2016-08-26 21:16:37 +00:00
SIMachineScheduler.h AMDGPU: R600 code splitting cleanup 2016-03-11 08:00:27 +00:00
SIOptimizeExecMasking.cpp AMDGPU: Fix use-after-free in SIOptimizeExecMasking 2016-10-07 08:40:14 +00:00
SIRegisterInfo.cpp AMDGPU: Fix using incorrect private resource with no allocation 2016-10-28 19:43:31 +00:00
SIRegisterInfo.h Reapply "AMDGPU: Don't use offen if it is 0" 2016-10-26 15:08:16 +00:00
SIRegisterInfo.td AMDGPU: Whitespace fixes 2016-11-01 00:55:14 +00:00
SISchedule.td AMDGPU/SI: Implement a custom MachineSchedStrategy 2016-08-29 19:42:52 +00:00
SIShrinkInstructions.cpp Use StringRef in Pass/PassManager APIs (NFC) 2016-10-01 02:56:57 +00:00
SITypeRewriter.cpp Use StringRef in Pass/PassManager APIs (NFC) 2016-10-01 02:56:57 +00:00
SIWholeQuadMode.cpp Use StringRef in Pass/PassManager APIs (NFC) 2016-10-01 02:56:57 +00:00
SMInstructions.td [AMDGPU][MC][gfx8] Support 20-bit immediate offset in SMEM instructions. 2016-10-31 16:07:39 +00:00
SOPInstructions.td AMDGPU: Fix instruction flags for s_endpgm 2016-10-28 23:00:38 +00:00
VIInstrFormats.td [AMDGPU] Refactor VOP1 and VOP2 instruction TD definitions 2016-09-23 09:08:07 +00:00
VIInstructions.td [AMDGPU] Refactor VOP1 and VOP2 instruction TD definitions 2016-09-23 09:08:07 +00:00
VOP1Instructions.td AMDGPU: Fix Two Address problems with v_movreld 2016-10-24 14:56:02 +00:00
VOP2Instructions.td [AMDGPU] Assembler: support v_mac_f32 DPP and SDWA. Move getNamedOperandIdx to AMDGPUBaseInfo.h 2016-10-07 14:46:06 +00:00
VOP3Instructions.td [AMDGPU] Refactor VOP1 and VOP2 instruction TD definitions 2016-09-23 09:08:07 +00:00
VOPCInstructions.td AMDGPU: Use unsigned compare for eq/ne 2016-09-30 01:50:20 +00:00
VOPInstructions.td [AMDGPU] Refactor VOP1 and VOP2 instruction TD definitions 2016-09-23 09:08:07 +00:00