[PATCH] D31124: AMDGPU/SI: Add lane tracking to SI Scheduler

Valery Pykhtin via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Apr 6 09:41:12 PDT 2017 

vpykhtin added a comment.

The following tests assert with this (and predecessors) patches:

  FAIL: LLVM :: CodeGen/AMDGPU/coalescer-subrange-crash.ll (4169 of 20226)
  ******************** TEST 'LLVM :: CodeGen/AMDGPU/coalescer-subrange-crash.ll' FAILED ********************
  Script:
  --
  /srv/vpykhtin/git/debug.llvm/./bin/llc -march=amdgcn -verify-machineinstrs < /srv/vpykhtin/git/llvm/test/CodeGen/AMDGPU/coalescer-subrange-crash.ll | /srv/vpykhtin/git/debug.llvm/./bin/FileCheck /srv/vpykhtin/git/llvm/test/CodeGen/AMDGPU
  /coalescer-subrange-crash.ll
  --
  Exit Code: 2
  
  Command Output (stderr):
  --
  llc: malloc.c:2372: sysmalloc: Assertion `(old_top == (((mbinptr) (((char *) &((av)->bins[((1) - 1) * 2])) - __builtin_offsetof (struct malloc_chunk, fd)))) && old_size == 0) || ((unsigned long) (old_size) >= (unsigned long)((((__builtin_offsetof (struct malloc_chunk, fd_nextsize))+((2 *(sizeof(size_t))) - 1)) & ~((2 *(sizeof(size_t))) - 1))) && ((old_top)->size & 0x1) && ((unsigned long) old_end & pagemask) == 0)' failed.
  
  FileCheck error: '-' is empty.
  FileCheck command line:  /srv/vpykhtin/git/debug.llvm/./bin/FileCheck /srv/vpykhtin/git/llvm/test/CodeGen/AMDGPU/coalescer-subrange-crash.ll
  
  
  FAIL: LLVM :: CodeGen/AMDGPU/undefined-subreg-liverange.ll (5010 of 20226)
  ******************** TEST 'LLVM :: CodeGen/AMDGPU/undefined-subreg-liverange.ll' FAILED ********************
  Script:
  --
  /srv/vpykhtin/git/debug.llvm/./bin/llc -march=amdgcn -verify-machineinstrs < /srv/vpykhtin/git/llvm/test/CodeGen/AMDGPU/undefined-subreg-liverange.ll | /srv/vpykhtin/git/debug.llvm/./bin/FileCheck /srv/vpykhtin/git/llvm/test/CodeGen/AMDG
  PU/undefined-subreg-liverange.ll
  --
  Exit Code: 1
  
  Command Output (stderr):
  --
  llc: /srv/vpykhtin/git/llvm/lib/Target/AMDGPU/SIMachineScheduler.cpp:1793: void llvm::SIScheduleBlockCreator::removeUseFromDef(llvm::SmallVector<llvm::RegisterMaskPair, 8u>&, unsigned int, const llvm::SUnit*): Assertion `UsePos != Uses.end()' failed.
  #0 0x00000000030298dd llvm::sys::PrintStackTrace(llvm::raw_ostream&) /srv/vpykhtin/git/llvm/lib/Support/Unix/Signals.inc:398:0
  #1 0x000000000302996e PrintStackTraceSignalHandler(void*) /srv/vpykhtin/git/llvm/lib/Support/Unix/Signals.inc:462:0
  #2 0x0000000003027dce llvm::sys::RunSignalHandlers() /srv/vpykhtin/git/llvm/lib/Support/Signals.cpp:43:0
  #3 0x0000000003029275 SignalHandler(int) /srv/vpykhtin/git/llvm/lib/Support/Unix/Signals.inc:252:0
  #4 0x00002b433235c330 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x10330)
  #5 0x00002b4333415c37 gsignal /build/eglibc-MjiXCM/eglibc-2.19/signal/../nptl/sysdeps/unix/sysv/linux/raise.c:56:0
  #6 0x00002b4333419028 abort /build/eglibc-MjiXCM/eglibc-2.19/stdlib/abort.c:91:0
  #7 0x00002b433340ebf6 __assert_fail_base /build/eglibc-MjiXCM/eglibc-2.19/assert/assert.c:92:0
  #8 0x00002b433340eca2 (/lib/x86_64-linux-gnu/libc.so.6+0x2fca2)
  #9 0x000000000157376e llvm::SIScheduleBlockCreator::removeUseFromDef(llvm::SmallVector<llvm::RegisterMaskPair, 8u>&, unsigned int, llvm::SUnit const*) /srv/vpykhtin/git/llvm/lib/Target/AMDGPU/SIMachineScheduler.cpp:1795:0
  #10 0x00000000015727e3 llvm::SIScheduleBlockCreator::createBlocksForVariant(llvm::SISchedulerBlockCreatorVariant) /srv/vpykhtin/git/llvm/lib/Target/AMDGPU/SIMachineScheduler.cpp:1613:0
  #11 0x000000000156ef3e llvm::SIScheduleBlockCreator::getBlocks(llvm::SISchedulerBlockCreatorVariant) /srv/vpykhtin/git/llvm/lib/Target/AMDGPU/SIMachineScheduler.cpp:1043:0
  #12 0x0000000001574e69 llvm::SIScheduler::scheduleVariant(llvm::SISchedulerBlockCreatorVariant, llvm::SISchedulerBlockSchedulerVariant) /srv/vpykhtin/git/llvm/lib/Target/AMDGPU/SIMachineScheduler.cpp:2073:0
  #13 0x0000000001575eea llvm::SIScheduleDAGMI::schedule() /srv/vpykhtin/git/llvm/lib/Target/AMDGPU/SIMachineScheduler.cpp:2233:0
  #14 0x0000000002659da5 (anonymous namespace)::MachineSchedulerBase::scheduleRegions(llvm::ScheduleDAGInstrs&, bool) /srv/vpykhtin/git/llvm/lib/CodeGen/MachineScheduler.cpp:524:0
  #15 0x00000000026591ee (anonymous namespace)::MachineScheduler::runOnMachineFunction(llvm::MachineFunction&) /srv/vpykhtin/git/llvm/lib/CodeGen/MachineScheduler.cpp:387:0
  #16 0x00000000025ce4f9 llvm::MachineFunctionPass::runOnFunction(llvm::Function&) /srv/vpykhtin/git/llvm/lib/CodeGen/MachineFunctionPass.cpp:62:0
  #17 0x000000000298e138 llvm::FPPassManager::runOnFunction(llvm::Function&) /srv/vpykhtin/git/llvm/lib/IR/LegacyPassManager.cpp:1513:0
  #18 0x000000000298e2cb llvm::FPPassManager::runOnModule(llvm::Module&) /srv/vpykhtin/git/llvm/lib/IR/LegacyPassManager.cpp:1534:0
  #19 0x000000000298e666 (anonymous namespace)::MPPassManager::runOnModule(llvm::Module&) /srv/vpykhtin/git/llvm/lib/IR/LegacyPassManager.cpp:1590:0
  #20 0x000000000298edb6 llvm::legacy::PassManagerImpl::run(llvm::Module&) /srv/vpykhtin/git/llvm/lib/IR/LegacyPassManager.cpp:1693:0
  #21 0x000000000298eff7 llvm::legacy::PassManager::run(llvm::Module&) /srv/vpykhtin/git/llvm/lib/IR/LegacyPassManager.cpp:1725:0
  #22 0x000000000124c627 compileModule(char**, llvm::LLVMContext&) /srv/vpykhtin/git/llvm/tools/llc/llc.cpp:579:0
  #23 0x000000000124aca8 main /srv/vpykhtin/git/llvm/tools/llc/llc.cpp:331:0
  #24 0x00002b4333400f45 __libc_start_main /build/eglibc-MjiXCM/eglibc-2.19/csu/libc-start.c:321:0
  #25 0x0000000001248cb9 _start (/srv/vpykhtin/git/debug.llvm/./bin/llc+0x1248cb9)
  Stack dump:
  0.      Program arguments: /srv/vpykhtin/git/debug.llvm/./bin/llc -march=amdgcn -verify-machineinstrs
  1.      Running pass 'Function Pass Manager' on module '<stdin>'.
  2.      Running pass 'Machine Instruction Scheduler' on function '@partially_undef_copy'
  
  FAIL: LLVM :: CodeGen/AMDGPU/unigine-liveness-crash.ll (5126 of 20226)
  ******************** TEST 'LLVM :: CodeGen/AMDGPU/unigine-liveness-crash.ll' FAILED ********************
  Script:
  --
  /srv/vpykhtin/git/debug.llvm/./bin/llc -march=amdgcn -verify-machineinstrs < /srv/vpykhtin/git/llvm/test/CodeGen/AMDGPU/unigine-liveness-crash.ll | /srv/vpykhtin/git/debug.llvm/./bin/FileCheck /srv/vpykhtin/git/llvm/test/CodeGen/AMDGPU/unigine-liveness-crash.ll
  --
  Exit Code: 2
  
  Command Output (stderr):
  --
  #0 0x00000000030298dd llvm::sys::PrintStackTrace(llvm::raw_ostream&) /srv/vpykhtin/git/llvm/lib/Support/Unix/Signals.inc:398:0
  #1 0x000000000302996e PrintStackTraceSignalHandler(void*) /srv/vpykhtin/git/llvm/lib/Support/Unix/Signals.inc:462:0
  #2 0x0000000003027dce llvm::sys::RunSignalHandlers() /srv/vpykhtin/git/llvm/lib/Support/Signals.cpp:43:0
  #3 0x0000000003029275 SignalHandler(int) /srv/vpykhtin/git/llvm/lib/Support/Unix/Signals.inc:252:0
  #4 0x00002ac49b609330 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x10330)
  #5 0x000000000156a920 llvm::SISchedulerRPTracker::SISchedulerRPTracker(llvm::SmallVector<llvm::RegisterMaskPair, 8u> const&, llvm::SmallVector<llvm::RegisterMaskPair, 8u> const&, std::vector<llvm::SmallVector<unsigned int, 8u>, std::allocator<llvm::SmallVector<unsigned int, 8u> > > const&, std::vector<llvm::SmallVector<unsigned int, 8u>, std::allocator<llvm::SmallVector<unsigned int, 8u> > > const&, std::vector<llvm::SmallVector<llvm::RegisterMaskPair, 8u>, std::allocator<llvm::SmallVector<llvm::RegisterMaskPair, 8u> > > const&, std::vector<llvm::SmallVector<llvm::RegisterMaskPair, 8u>, std::allocator<llvm::SmallVector<llvm::RegisterMaskPair, 8u> > > const&, llvm::MachineRegisterInfo const*, llvm::TargetRegisterInfo const*, unsigned int, unsigned int, bool) /srv/vpykhtin/git/llvm/lib/Target/AMDGPU/SIMachineScheduler.cpp:198:0
  #6 0x000000000156dace llvm::SIScheduleBlock::schedule() /srv/vpykhtin/git/llvm/lib/Target/AMDGPU/SIMachineScheduler.cpp:835:0
  #7 0x000000000156df10 llvm::SIScheduleBlock::finalize() /srv/vpykhtin/git/llvm/lib/Target/AMDGPU/SIMachineScheduler.cpp:877:0
  #8 0x0000000001572b1d llvm::SIScheduleBlockCreator::createBlocksForVariant(llvm::SISchedulerBlockCreatorVariant) /srv/vpykhtin/git/llvm/lib/Target/AMDGPU/SIMachineScheduler.cpp:1647:0
  #9 0x000000000156ef3e llvm::SIScheduleBlockCreator::getBlocks(llvm::SISchedulerBlockCreatorVariant) /srv/vpykhtin/git/llvm/lib/Target/AMDGPU/SIMachineScheduler.cpp:1043:0
  #10 0x0000000001574e69 llvm::SIScheduler::scheduleVariant(llvm::SISchedulerBlockCreatorVariant, llvm::SISchedulerBlockSchedulerVariant) /srv/vpykhtin/git/llvm/lib/Target/AMDGPU/SIMachineScheduler.cpp:2073:0
  #11 0x0000000001575eea llvm::SIScheduleDAGMI::schedule() /srv/vpykhtin/git/llvm/lib/Target/AMDGPU/SIMachineScheduler.cpp:2233:0
  #12 0x0000000002659da5 (anonymous namespace)::MachineSchedulerBase::scheduleRegions(llvm::ScheduleDAGInstrs&, bool) /srv/vpykhtin/git/llvm/lib/CodeGen/MachineScheduler.cpp:524:0
  #13 0x00000000026591ee (anonymous namespace)::MachineScheduler::runOnMachineFunction(llvm::MachineFunction&) /srv/vpykhtin/git/llvm/lib/CodeGen/MachineScheduler.cpp:387:0
  #14 0x00000000025ce4f9 llvm::MachineFunctionPass::runOnFunction(llvm::Function&) /srv/vpykhtin/git/llvm/lib/CodeGen/MachineFunctionPass.cpp:62:0
  #15 0x000000000298e138 llvm::FPPassManager::runOnFunction(llvm::Function&) /srv/vpykhtin/git/llvm/lib/IR/LegacyPassManager.cpp:1513:0
  #16 0x000000000298e2cb llvm::FPPassManager::runOnModule(llvm::Module&) /srv/vpykhtin/git/llvm/lib/IR/LegacyPassManager.cpp:1534:0
  #17 0x000000000298e666 (anonymous namespace)::MPPassManager::runOnModule(llvm::Module&) /srv/vpykhtin/git/llvm/lib/IR/LegacyPassManager.cpp:1590:0
  #18 0x000000000298edb6 llvm::legacy::PassManagerImpl::run(llvm::Module&) /srv/vpykhtin/git/llvm/lib/IR/LegacyPassManager.cpp:1693:0
  #19 0x000000000298eff7 llvm::legacy::PassManager::run(llvm::Module&) /srv/vpykhtin/git/llvm/lib/IR/LegacyPassManager.cpp:1725:0
  #20 0x000000000124c627 compileModule(char**, llvm::LLVMContext&) /srv/vpykhtin/git/llvm/tools/llc/llc.cpp:579:0
  #21 0x000000000124aca8 main /srv/vpykhtin/git/llvm/tools/llc/llc.cpp:331:0
  #22 0x00002ac49c6adf45 __libc_start_main /build/eglibc-MjiXCM/eglibc-2.19/csu/libc-start.c:321:0
  #23 0x0000000001248cb9 _start (/srv/vpykhtin/git/debug.llvm/./bin/llc+0x1248cb9)
  Stack dump:
  0.      Program arguments: /srv/vpykhtin/git/debug.llvm/./bin/llc -march=amdgcn -verify-machineinstrs
  1.      Running pass 'Function Pass Manager' on module '<stdin>'.
  2.      Running pass 'Machine Instruction Scheduler' on function '@main'




Repository:
  rL LLVM

https://reviews.llvm.org/D31124

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