[PATCH] D19501: Add LoadStoreVectorizer pass

[Justin Lebar via llvm-commits]

jlebar added a comment.

OK, I got a somewhat minimized testcase.

  $ curl https://gist.githubusercontent.com/anonymous/c3d28b883b97b476b9a2ecb4d5dac807/raw/cd830af846bd8738544783305eb7618449d06eba/- | llc
  
  llc: ../src/lib/IR/Instructions.cpp:2582: static llvm::CastInst *llvm::CastInst::Create(Instruction::CastOps, llvm::Value *, llvm::Type *, const llvm::Twine &, llvm::Instruction *): Assertion `castIsValid(op, S, Ty) && "Invalid cast!"' failed.
  #0 0x0000000001927c08 llvm::sys::PrintStackTrace(llvm::raw_ostream&) (/usr/local/google/home/jlebar/code/llvm/release/bin/llc+0x1927c08)
  #1 0x0000000001926296 llvm::sys::RunSignalHandlers() (/usr/local/google/home/jlebar/code/llvm/release/bin/llc+0x1926296)
  #2 0x000000000192880a SignalHandler(int) (/usr/local/google/home/jlebar/code/llvm/release/bin/llc+0x192880a)
  #3 0x00007fe0a84d5340 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x10340)
  #4 0x00007fe0a76fdcc9 gsignal /build/eglibc-3GlaMS/eglibc-2.19/signal/../nptl/sysdeps/unix/sysv/linux/raise.c:56:0
  #5 0x00007fe0a77010d8 abort /build/eglibc-3GlaMS/eglibc-2.19/stdlib/abort.c:91:0
  #6 0x00007fe0a76f6b86 __assert_fail_base /build/eglibc-3GlaMS/eglibc-2.19/assert/assert.c:92:0
  #7 0x00007fe0a76f6c32 (/lib/x86_64-linux-gnu/libc.so.6+0x2fc32)
  #8 0x00000000014dd7b9 llvm::CastInst::Create(llvm::Instruction::CastOps, llvm::Value*, llvm::Type*, llvm::Twine const&, llvm::Instruction*) (/usr/local/google/home/jlebar/code/llvm/release/bin/llc+0x14dd7b9)
  #9 0x000000000079d58b llvm::IRBuilder<llvm::ConstantFolder, llvm::IRBuilderDefaultInserter>::CreateCast(llvm::Instruction::CastOps, llvm::Value*, llvm::Type*, llvm::Twine const&) (/usr/local/google/home/jlebar/code/llvm/release/bin/llc+0x79d58b)
  #10 0x00000000019d84fd (anonymous namespace)::Vectorizer::vectorizeLoadChain(llvm::ArrayRef<llvm::Value*>) (/usr/local/google/home/jlebar/code/llvm/release/bin/llc+0x19d84fd)
  #11 0x00000000019d7f57 (anonymous namespace)::Vectorizer::vectorizeLoadChain(llvm::ArrayRef<llvm::Value*>) (/usr/local/google/home/jlebar/code/llvm/release/bin/llc+0x19d7f57)
  #12 0x00000000019d7809 (anonymous namespace)::Vectorizer::vectorizeChains(llvm::MapVector<llvm::Value*, llvm::SmallVector<llvm::Value*, 8u>, llvm::DenseMap<llvm::Value*, unsigned int, llvm::DenseMapInfo<llvm::Value*>, llvm::detail::DenseMapPair<llvm::Value*, unsigned int> >, std::vector<std::pair<llvm::Value*, llvm::SmallVector<llvm::Value*, 8u> >, std::allocator<std::pair<llvm::Value*, llvm::SmallVector<llvm::Value*, 8u> > > > >&) (/usr/local/google/home/jlebar/code/llvm/release/bin/llc+0x19d7809)
  #13 0x00000000019d5cd8 (anonymous namespace)::LoadStoreVectorizer::runOnFunction(llvm::Function&) (/usr/local/google/home/jlebar/code/llvm/release/bin/llc+0x19d5cd8)
  #14 0x00000000014f84d4 llvm::FPPassManager::runOnFunction(llvm::Function&) (/usr/local/google/home/jlebar/code/llvm/release/bin/llc+0x14f84d4)
  #15 0x00000000014f871b llvm::FPPassManager::runOnModule(llvm::Module&) (/usr/local/google/home/jlebar/code/llvm/release/bin/llc+0x14f871b)
  #16 0x00000000014f8bf7 llvm::legacy::PassManagerImpl::run(llvm::Module&) (/usr/local/google/home/jlebar/code/llvm/release/bin/llc+0x14f8bf7)
  #17 0x00000000005fc419 compileModule(char**, llvm::LLVMContext&) (/usr/local/google/home/jlebar/code/llvm/release/bin/llc+0x5fc419)
  #18 0x00000000005f9a4b main (/usr/local/google/home/jlebar/code/llvm/release/bin/llc+0x5f9a4b)
  #19 0x00007fe0a76e8ec5 __libc_start_main /build/eglibc-3GlaMS/eglibc-2.19/csu/libc-start.c:321:0
  #20 0x00000000005f5f22 _start (/usr/local/google/home/jlebar/code/llvm/release/bin/llc+0x5f5f22)
  Stack dump:
  0.	Program arguments: /usr/local/google/home/jlebar/code/llvm/release/bin/llc 
  1.	Running pass 'Function Pass Manager' on module '<stdin>'.
  2.	Running pass 'GPU Load and Store Vectorizer' on function '@_ZN5Eigen8internal15EigenMetaKernelINS_15TensorEvaluatorIKNS_14TensorAssignOpINS_9TensorMapINS_6TensorIxLi0ELi1ElEELi1EEEKNS_18TensorConversionOpIxKNS_20TensorTupleReducerOpINS0_18ArgMaxTupleReducerINS_5TupleIlNS_4halfEEEEEKNS_5arrayIlLm1EEEKNS4_INS5_IKSC_Li1ELi1ElEELi1EEEEEEEEENS_9GpuDeviceEEElEEvT_T0_'
  Aborted (core dumped)


http://reviews.llvm.org/D19501