mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 20:29:48 +00:00
b48c8c49d5
SGPRs are written by instructions that sometimes will ignore control flow,
which means if you have code like:
if (VGPR0) {
SGPR0 = S_MOV_B32 0
} else {
SGPR0 = S_MOV_B32 1
}
The value of SGPR0 will 1 no matter what the condition is.
In order to deal with this situation correctly, we need to view the
program as if it were a single basic block when we calculate the
live ranges for the SGPRs. They way we actually update the live
range is by iterating over all of the segments in each LiveRange
object and setting the end of each segment equal to the start of
the next segment. So a live range like:
[3888r,9312r:0)[10032B,10384B:0) 0@3888r
will become:
[3888r,10032B:0)[10032B,10384B:0) 0@3888r
This change will allow us to use SALU instructions within branches.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212215 91177308-0d34-0410-b5e6-96231b3b80d8
57 lines
1.6 KiB
CMake
57 lines
1.6 KiB
CMake
set(LLVM_TARGET_DEFINITIONS AMDGPU.td)
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tablegen(LLVM AMDGPUGenRegisterInfo.inc -gen-register-info)
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tablegen(LLVM AMDGPUGenInstrInfo.inc -gen-instr-info)
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tablegen(LLVM AMDGPUGenDAGISel.inc -gen-dag-isel)
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tablegen(LLVM AMDGPUGenCallingConv.inc -gen-callingconv)
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tablegen(LLVM AMDGPUGenSubtargetInfo.inc -gen-subtarget)
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tablegen(LLVM AMDGPUGenIntrinsics.inc -gen-tgt-intrinsic)
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tablegen(LLVM AMDGPUGenMCCodeEmitter.inc -gen-emitter -mc-emitter)
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tablegen(LLVM AMDGPUGenDFAPacketizer.inc -gen-dfa-packetizer)
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tablegen(LLVM AMDGPUGenAsmWriter.inc -gen-asm-writer)
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add_public_tablegen_target(AMDGPUCommonTableGen)
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add_llvm_target(R600CodeGen
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AMDILCFGStructurizer.cpp
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AMDGPUAsmPrinter.cpp
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AMDGPUFrameLowering.cpp
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AMDGPUIntrinsicInfo.cpp
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AMDGPUISelDAGToDAG.cpp
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AMDGPUMCInstLower.cpp
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AMDGPUMachineFunction.cpp
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AMDGPUSubtarget.cpp
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AMDGPUTargetMachine.cpp
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AMDGPUTargetTransformInfo.cpp
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AMDGPUISelLowering.cpp
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AMDGPUInstrInfo.cpp
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AMDGPUPromoteAlloca.cpp
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AMDGPURegisterInfo.cpp
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R600ClauseMergePass.cpp
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R600ControlFlowFinalizer.cpp
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R600EmitClauseMarkers.cpp
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R600ExpandSpecialInstrs.cpp
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R600InstrInfo.cpp
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R600ISelLowering.cpp
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R600MachineFunctionInfo.cpp
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R600MachineScheduler.cpp
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R600OptimizeVectorRegisters.cpp
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R600Packetizer.cpp
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R600RegisterInfo.cpp
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R600TextureIntrinsicsReplacer.cpp
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SIAnnotateControlFlow.cpp
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SIFixSGPRCopies.cpp
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SIFixSGPRLiveRanges.cpp
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SIInsertWaits.cpp
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SIInstrInfo.cpp
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SIISelLowering.cpp
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SILowerControlFlow.cpp
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SILowerI1Copies.cpp
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SIMachineFunctionInfo.cpp
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SIRegisterInfo.cpp
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SITypeRewriter.cpp
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)
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add_subdirectory(InstPrinter)
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add_subdirectory(TargetInfo)
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add_subdirectory(MCTargetDesc)
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