[llvm] [llubi] Add support for constant expressions (PR #203746)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-aarch64-linux-bootstrap-msan` running on `sanitizer-buildbot9` while building `llvm` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/94/builds/18382

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 2 (annotate) failure: 'python ../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py' (failure)
...
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/wasm-ld
-- Testing: 99374 tests, 72 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
FAIL: lld :: ELF/gnu-ifunc-nosym.s (97577 of 99374)
******************** TEST 'lld :: ELF/gnu-ifunc-nosym.s' FAILED ********************
Exit Code: -6

Command Output (stdout):
--
# RUN: at line 2
/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/llvm-mc -filetype=obj -triple=x86_64-pc-linux /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/lld/test/ELF/gnu-ifunc-nosym.s -o /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/lld/test/ELF/Output/gnu-ifunc-nosym.s.tmp.o
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/llvm-mc -filetype=obj -triple=x86_64-pc-linux /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/lld/test/ELF/gnu-ifunc-nosym.s -o /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/lld/test/ELF/Output/gnu-ifunc-nosym.s.tmp.o
# note: command had no output on stdout or stderr
# RUN: at line 3
/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld.lld -static /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/lld/test/ELF/Output/gnu-ifunc-nosym.s.tmp.o -o /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/lld/test/ELF/Output/gnu-ifunc-nosym.s.tmpout
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld.lld -static /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/lld/test/ELF/Output/gnu-ifunc-nosym.s.tmp.o -o /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/lld/test/ELF/Output/gnu-ifunc-nosym.s.tmpout
# .---command stderr------------
# | PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace and instructions to reproduce the bug.
# |  #0 0x0000ae6d278516e8 ___interceptor_backtrace /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/../sanitizer_common/sanitizer_common_interceptors.inc:4559:13
# |  #1 0x0000ae6d27a67804 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/Unix/Signals.inc:885:7
# |  #2 0x0000ae6d27a60720 llvm::sys::RunSignalHandlers() /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/Signals.cpp:109:18
# |  #3 0x0000ae6d27a6951c SignalHandler(int, siginfo_t*, void*) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/Unix/Signals.inc:448:38
# |  #4 0x0000ae6d27882a38 IsInInterceptorScope /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_interceptors.cpp:78:10
# |  #5 0x0000ae6d27882a38 SignalAction(int, void*, void*) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_interceptors.cpp:1167:3
# |  #6 0x0000f0000fa2aa20 (linux-vdso.so.1+0xa20)
# |  #7 0x0000f0000f4ca500 (/usr/lib/aarch64-linux-gnu/libc.so.6+0xaa500)
# |  #8 0x0000ae6d2789011c __msan::SetShadow(void const*, unsigned long, unsigned char) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_poisoning.cpp:217:12
# |  #9 0x0000ae6d2788f38c __msan::MsanThread::ClearShadowForThreadStackAndTLS() /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_thread.cpp:31:7
# | #10 0x0000ae6d2788f4d8 malloc_storage /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_thread.h:45:59
# | #11 0x0000ae6d2788f4d8 __msan::MsanThread::Init() /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_thread.cpp:45:3
# | #12 0x0000ae6d27836bc0 MsanThreadStartFunc(void*) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_interceptors.cpp:1186:22
# | #13 0x0000f0000f4ac288 (/usr/lib/aarch64-linux-gnu/libc.so.6+0x8c288)
# | #14 0x0000f0000f516b1c (/usr/lib/aarch64-linux-gnu/libc.so.6+0xf6b1c)
# | MemorySanitizer:DEADLYSIGNAL
# | /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build0/bin/llvm-symbolizer: error: 'linux-vdso.so.1': No such file or directory
# `-----------------------------
# error: command failed with exit status: -6

--

********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.. 
Step 11 (stage2/msan check) failure: stage2/msan check (failure)
...
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/wasm-ld
-- Testing: 99374 tests, 72 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
FAIL: lld :: ELF/gnu-ifunc-nosym.s (97577 of 99374)
******************** TEST 'lld :: ELF/gnu-ifunc-nosym.s' FAILED ********************
Exit Code: -6

Command Output (stdout):
--
# RUN: at line 2
/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/llvm-mc -filetype=obj -triple=x86_64-pc-linux /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/lld/test/ELF/gnu-ifunc-nosym.s -o /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/lld/test/ELF/Output/gnu-ifunc-nosym.s.tmp.o
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/llvm-mc -filetype=obj -triple=x86_64-pc-linux /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/lld/test/ELF/gnu-ifunc-nosym.s -o /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/lld/test/ELF/Output/gnu-ifunc-nosym.s.tmp.o
# note: command had no output on stdout or stderr
# RUN: at line 3
/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld.lld -static /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/lld/test/ELF/Output/gnu-ifunc-nosym.s.tmp.o -o /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/lld/test/ELF/Output/gnu-ifunc-nosym.s.tmpout
# executed command: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld.lld -static /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/lld/test/ELF/Output/gnu-ifunc-nosym.s.tmp.o -o /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/tools/lld/test/ELF/Output/gnu-ifunc-nosym.s.tmpout
# .---command stderr------------
# | PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace and instructions to reproduce the bug.
# |  #0 0x0000ae6d278516e8 ___interceptor_backtrace /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/../sanitizer_common/sanitizer_common_interceptors.inc:4559:13
# |  #1 0x0000ae6d27a67804 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/Unix/Signals.inc:885:7
# |  #2 0x0000ae6d27a60720 llvm::sys::RunSignalHandlers() /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/Signals.cpp:109:18
# |  #3 0x0000ae6d27a6951c SignalHandler(int, siginfo_t*, void*) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/Unix/Signals.inc:448:38
# |  #4 0x0000ae6d27882a38 IsInInterceptorScope /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_interceptors.cpp:78:10
# |  #5 0x0000ae6d27882a38 SignalAction(int, void*, void*) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_interceptors.cpp:1167:3
# |  #6 0x0000f0000fa2aa20 (linux-vdso.so.1+0xa20)
# |  #7 0x0000f0000f4ca500 (/usr/lib/aarch64-linux-gnu/libc.so.6+0xaa500)
# |  #8 0x0000ae6d2789011c __msan::SetShadow(void const*, unsigned long, unsigned char) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_poisoning.cpp:217:12
# |  #9 0x0000ae6d2788f38c __msan::MsanThread::ClearShadowForThreadStackAndTLS() /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_thread.cpp:31:7
# | #10 0x0000ae6d2788f4d8 malloc_storage /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_thread.h:45:59
# | #11 0x0000ae6d2788f4d8 __msan::MsanThread::Init() /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_thread.cpp:45:3
# | #12 0x0000ae6d27836bc0 MsanThreadStartFunc(void*) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_interceptors.cpp:1186:22
# | #13 0x0000f0000f4ac288 (/usr/lib/aarch64-linux-gnu/libc.so.6+0x8c288)
# | #14 0x0000f0000f516b1c (/usr/lib/aarch64-linux-gnu/libc.so.6+0xf6b1c)
# | MemorySanitizer:DEADLYSIGNAL
# | /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build0/bin/llvm-symbolizer: error: 'linux-vdso.so.1': No such file or directory
# `-----------------------------
# error: command failed with exit status: -6

--

********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.. 

```

</details>

https://github.com/llvm/llvm-project/pull/203746