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Sam McCall 57743883f1 Revert "[LSV] Refactoring + supporting bitcasts to a type of different size" 
This reverts commit r337489.
It causes asserts to fire in some TensorFlow tests, e.g.
tensorflow/compiler/tests/gather_test.py on GPU.

Example stack trace:
Start test case: GatherTest.testHigherRank
assertion failed at third_party/llvm/llvm/lib/Support/APInt.cpp:819 in llvm::APInt llvm::APInt::trunc(unsigned int) const: width && "Can't truncate to 0 bits"
    @     0x5559446ebe10  __assert_fail
    @     0x55593ef32f5e  llvm::APInt::trunc()
    @     0x55593d78f86e  (anonymous namespace)::Vectorizer::lookThroughComplexAddresses()
    @     0x55593d78f2bc  (anonymous namespace)::Vectorizer::areConsecutivePointers()
    @     0x55593d78d128  (anonymous namespace)::Vectorizer::isConsecutiveAccess()
    @     0x55593d78c926  (anonymous namespace)::Vectorizer::vectorizeInstructions()
    @     0x55593d78c221  (anonymous namespace)::Vectorizer::vectorizeChains()
    @     0x55593d78b948  (anonymous namespace)::Vectorizer::run()
    @     0x55593d78b725  (anonymous namespace)::LoadStoreVectorizer::runOnFunction()
    @     0x55593edf4b17  llvm::FPPassManager::runOnFunction()
    @     0x55593edf4e55  llvm::FPPassManager::runOnModule()
    @     0x55593edf563c  (anonymous namespace)::MPPassManager::runOnModule()
    @     0x55593edf5137  llvm::legacy::PassManagerImpl::run()
    @     0x55593edf5b71  llvm::legacy::PassManager::run()
    @     0x55593ced250d  xla::gpu::IrDumpingPassManager::run()
    @     0x55593ced5033  xla::gpu::(anonymous namespace)::EmitModuleToPTX()
    @     0x55593ced40ba  xla::gpu::(anonymous namespace)::CompileModuleToPtx()
    @     0x55593ced33d0  xla::gpu::CompileToPtx()
    @     0x55593b26b2a2  xla::gpu::NVPTXCompiler::RunBackend()
    @     0x55593b21f973  xla::Service::BuildExecutable()
    @     0x555938f44e64  xla::LocalService::CompileExecutable()
    @     0x555938f30a85  xla::LocalClient::Compile()
    @     0x555938de3c29  tensorflow::XlaCompilationCache::BuildExecutable()
    @     0x555938de4e9e  tensorflow::XlaCompilationCache::CompileImpl()
    @     0x555938de3da5  tensorflow::XlaCompilationCache::Compile()
    @     0x555938c5d962  tensorflow::XlaLocalLaunchBase::Compute()
    @     0x555938c68151  tensorflow::XlaDevice::Compute()
    @     0x55593f389e1f  tensorflow::(anonymous namespace)::ExecutorState::Process()
    @     0x55593f38a625  tensorflow::(anonymous namespace)::ExecutorState::ScheduleReady()::$_1::operator()()
*** SIGABRT received by PID 7798 (TID 7837) from PID 7798; ***

llvm-svn: 337541
 		2018-07-20 12:03:00 +00:00
clang Sema: Fix explicit address space cast in C++ 2018-07-20 11:32:51 +00:00
clang-tools-extra [clangd] FuzzyMatch exposes an API for its word segmentation. NFC 2018-07-20 08:01:37 +00:00
compiler-rt [Xray] fix c99 warning build about flexible array semantics 2018-07-20 09:22:22 +00:00
debuginfo-tests Revert "[CMake] Sort dependency list and add safestack to it" 2018-07-18 20:10:43 +00:00
libclc atom: Use volatile pointers for cl_khr_{global,local}_int32_{base,extended}_atomics 2018-06-21 19:27:39 +00:00
libcxx adjust incorrect comment 2018-07-20 08:36:45 +00:00
libcxxabi [CMake] Set per-runtime library directory suffix in runtimes build 2018-07-10 19:13:33 +00:00
libunwind The semantics of DW_CFA_GNU_args_size have changed subtile over the 2018-07-17 19:00:51 +00:00
lld [ELF] - Fix mistypes in test cases. 2018-07-20 08:07:33 +00:00
lldb Defend LoadImageUsingPaths against a path list 2018-07-20 01:20:18 +00:00
llgo Update copyright year to 2018. 2018-06-18 12:22:17 +00:00
llvm Revert "[LSV] Refactoring + supporting bitcasts to a type of different size" 2018-07-20 12:03:00 +00:00
openmp Block library shutdown until unreaped threads finish spin-waiting 2018-07-19 19:17:00 +00:00
parallel-libs Update copyright year to 2018. 2018-06-18 12:22:17 +00:00
polly [DependenceInfo] Use isl++ to replace foreach_set with for loop 2018-07-17 07:08:06 +00:00
README.md
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README.md

Low Level Virtual Machine (LLVM)

This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments.