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Philip Pfaffe 4fe21814d1 Handle Top-Level-Regions in polly::isHoistableLoad 
Summary:
This can be seen as a follow-up on my previous differential [D33411](https://reviews.llvm.org/D33411).
We received a bug report where this error was triggered. I have tried my best to recreate the issue in a minimal lit testcase which is also part of this differential.

I only handle return instructions as predecessors to a virtual TLR-exit right now. From inspecting the codebase, it seems `unreachable` instructions may also be of interest here. If requested, I can extend my patches to consider them as well. I would also apply this on `ScopHelper.cpp::isErrorBlock` (see D33411), of course.

Reviewers: philip.pfaffe, bollu

Reviewed By: bollu

Subscribers: Meinersbur, pollydev, llvm-commits

Tags: #polly

Differential Revision: https://reviews.llvm.org/D40492

llvm-svn: 319431
 		2017-11-30 13:06:10 +00:00
clang Revert [ARM] disable FPU features when using soft floating point. 2017-11-30 12:05:18 +00:00
clang-tools-extra [Documentation] Sort Clang-tidy changes next way: new modules, new checks, renamed checks, extended checks, new check aliases. 2017-11-29 22:17:39 +00:00
compiler-rt Linux needs to include sys/uio.h for readv, preadv 2017-11-30 09:22:12 +00:00
debuginfo-tests Re-revert "Refactor debuginfo-tests." 2017-11-21 01:20:28 +00:00
libclc configure.py: Add gfx900 (Vega, Raven) 2017-11-27 11:14:06 +00:00
libcxx Fix problems with r'890 when building on machines where sizeof(size_t) != sizeof(unsigned long long) and C++03 2017-11-27 22:27:22 +00:00
libcxxabi Insert padding before the __cxa_exception header to ensure the thrown 2017-11-28 00:36:29 +00:00
libunwind Support building libunwind as a DLL 2017-11-29 08:21:12 +00:00
lld Don't crash on invalid. 2017-11-30 06:18:31 +00:00
lldb Fix assertion in ClangASTContext 2017-11-30 10:16:54 +00:00
llgo irgen: Create functions instead of global variables for builtin hash and equal algorithms. 2017-06-04 22:11:28 +00:00
llvm [MC] Function stack size section. 2017-11-30 13:05:14 +00:00
openmp Extension of HWLOC topology discovery with NUMA nodes and tiles 2017-11-30 11:51:47 +00:00
parallel-libs [Axccel] Remove -Wno-missing-braces in build 2016-12-19 21:34:07 +00:00
polly Handle Top-Level-Regions in polly::isHoistableLoad 2017-11-30 13:06:10 +00:00
README.md Add an svn project to contain the files that appear at the root of the 2017-10-19 21:09:49 +00:00

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.