tobiasgrosser
commented
7 years ago Interesting. This likely should not crash. However, it is a pass order we do not use and consequently should not arise in practice.
Our pass system should become a lot cleaner with the new pass manager.
Extended Description
I'm not sure whether this is a bug of interest, but here it is.
$ clangpolly -v clang version 6.0.0 (http://llvm.org/git/clang.git 48231c128c697271508e83b487d436a071e62f09) (http://llvm.org/git/llvm.git aedd47f9e210dc3ce82a1f885043d7d005b52dd7) Target: x86_64-unknown-linux-gnu Thread model: posix InstalledDir: /home/su/bin Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/4.9 Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/4.9.4 Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/5 Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/5.3.0 Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.4 Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.4.7 Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.6 Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.6.4 Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.7 Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.7.3 Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.8 Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.8.5 Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.9 Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.9.4 Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/5 Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/5.3.0 Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/6 Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/6.2.0 Selected GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.9 Candidate multilib: .;@m64 Candidate multilib: 32;@m32 Candidate multilib: x32;@mx32 Selected multilib: .;@m64 $ $ clangpolly -O3 -mllvm -disable-llvm-optzns -c -emit-llvm -o small.bc small.c $ optpolly -polly-dependences -polly-scops -polly-codegen -polly-ast -o small-opt.bc small.bc optpolly: /home/su/software/tmp/polly/llvm/include/llvm/PassAnalysisSupport.h:236: AnalysisType& llvm::Pass::getAnalysisID(llvm::AnalysisID) const [with AnalysisType = polly::ScopInfoRegionPass; llvm::AnalysisID = const void]: Assertion `ResultPass && "getAnalysis() called on an analysis that was not " "'required' by pass!"' failed.
0 0x00000000038af852 (optpolly+0x38af852)
1 0x00000000038af8e3 (optpolly+0x38af8e3)
2 0x00000000038adcf8 (optpolly+0x38adcf8)
3 0x00000000038af1d5 (optpolly+0x38af1d5)
4 0x00007ff6e8af0330 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x10330)
5 0x00007ff6e78d8c37 gsignal /build/eglibc-SvCtMH/eglibc-2.19/signal/../nptl/sysdeps/unix/sysv/linux/raise.c:56:0
6 0x00007ff6e78dc028 abort /build/eglibc-SvCtMH/eglibc-2.19/stdlib/abort.c:91:0
7 0x00007ff6e78d1bf6 __assert_fail_base /build/eglibc-SvCtMH/eglibc-2.19/assert/assert.c:92:0
8 0x00007ff6e78d1ca2 (/lib/x86_64-linux-gnu/libc.so.6+0x2fca2)
9 0x0000000003c7c92d (optpolly+0x3c7c92d)
10 0x0000000003c7c25e (optpolly+0x3c7c25e)
11 0x0000000003c7b2e8 (optpolly+0x3c7b2e8)
12 0x0000000002ac4c8f (optpolly+0x2ac4c8f)
13 0x0000000003193724 (optpolly+0x3193724)
14 0x00000000031938b7 (optpolly+0x31938b7)
15 0x0000000003193c52 (optpolly+0x3193c52)
16 0x00000000031943a9 (optpolly+0x31943a9)
17 0x00000000031945e9 (optpolly+0x31945e9)
18 0x00000000017fe118 (optpolly+0x17fe118)
19 0x00007ff6e78c3f45 __libc_start_main /build/eglibc-SvCtMH/eglibc-2.19/csu/libc-start.c:321:0
20 0x00000000017d7a29 (optpolly+0x17d7a29)
Stack dump:
int main () { return 0; }