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Eli Friedman 9b234b388d [Polly] Don't crash on invalid delinearization result. 
In certain cases, it's possible for delinearization to decide one of the
array dimensions should be some function of an induction variable inside
the scop.  Make sure if this happens, we refuse to use those dimensions
for delinearization.

Usually, we end up rejecting the scop before it actually crashes, but it
looks like it's possible to slip past other checks in certain cases
involving smax expressions.

Fixes a crash that started showing up this week on the polly AOSP
builder.  As far as I can tell, this is a longstanding issue, though;
it was just exposed by better SCEV analysis of smin expressions.

Differential Revision: https://reviews.llvm.org/D61807

llvm-svn: 360708
 		2019-05-14 21:32:54 +00:00
clang [NewPM] Port HWASan and Kernel HWASan 2019-05-14 21:17:21 +00:00
clang-tools-extra [clang-tidy] Fix invalid fixit for readability-static-accessed-through-instance (bug 40544) 2019-05-14 18:23:10 +00:00
compiler-rt [compiler-rt] Fix crtbegin.c compilation 2019-05-11 02:33:33 +00:00
debuginfo-tests Set config.lit_tools_dir, which is needed by lit.llvm.initialize. 2018-11-06 21:54:27 +00:00
libclc travis: Add LLVM-8 build 2019-03-27 21:28:31 +00:00
libcxx [libc++] [test] Use std::nextafter() instead of std::nexttoward() 2019-05-14 13:56:20 +00:00
libcxxabi minor cmake formatting style fix 2019-05-07 13:14:14 +00:00
libunwind Add a new LIBUNWIND_WEAK_PTHREAD Cmake option to force 2019-05-13 18:45:03 +00:00
lld [LLD][ELF] Add the -z ifunc-noplt option 2019-05-14 15:25:21 +00:00
lldb build: use the correct variable 2019-05-14 17:24:45 +00:00
llgo IR: Support parsing numeric block ids, and emit them in textual output. 2019-03-22 18:27:13 +00:00
llvm [NewPM] Port HWASan and Kernel HWASan 2019-05-14 21:17:21 +00:00
openmp fixed typo made by commit r360595 2019-05-13 17:04:32 +00:00
parallel-libs Fix typos throughout the license files that somehow I and my reviewers 2019-01-21 09:52:34 +00:00
polly [Polly] Don't crash on invalid delinearization result. 2019-05-14 21:32:54 +00:00
pstl [pstl] Make the default backend be the serial backend and always provide parallel policies 2019-04-24 20:12:36 +00:00
.arcconfig Update monorepo .arcconfig with new project callsign. 2019-01-31 14:34:59 +00:00
.clang-format Add .clang-tidy and .clang-format files to the toplevel of the 2019-01-29 16:43:16 +00:00
.clang-tidy Disable tidy checks with too many hits 2019-02-01 11:20:13 +00:00
.gitignore Add a reduced copy of the llvm .gitignore 2019-04-09 00:52:49 +00:00
README.md
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README.md

The LLVM Compiler Infrastructure

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