[llvm] [SimplifyCFG] Handle trunc condition in foldBranchToCommonDest. (PR #135490)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-aarch64-linux-bootstrap-hwasan` running on `sanitizer-buildbot12` while building `llvm` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/55/builds/9813

<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-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/main.py:72: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 900 seconds was requested on the command line. Forcing timeout to be 900 seconds.
-- Testing: 84676 tests, 72 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.
FAIL: LLVM :: tools/llvm-reduce/flaky-interestingness.ll (81743 of 84676)
******************** TEST 'LLVM :: tools/llvm-reduce/flaky-interestingness.ll' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
rm -f /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/test/tools/llvm-reduce/Output/flaky-interestingness.ll.tmp # RUN: at line 2
+ rm -f /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/test/tools/llvm-reduce/Output/flaky-interestingness.ll.tmp
llvm-reduce -j=1 --delta-passes=instructions --test "/usr/bin/python3" --test-arg /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/tools/llvm-reduce/Inputs/flaky-test.py --test-arg /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/test/tools/llvm-reduce/Output/flaky-interestingness.ll.tmp /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/tools/llvm-reduce/flaky-interestingness.ll -o /dev/null 2>&1 | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/tools/llvm-reduce/flaky-interestingness.ll # RUN: at line 3
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/tools/llvm-reduce/flaky-interestingness.ll
+ llvm-reduce -j=1 --delta-passes=instructions --test /usr/bin/python3 --test-arg /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/tools/llvm-reduce/Inputs/flaky-test.py --test-arg /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/test/tools/llvm-reduce/Output/flaky-interestingness.ll.tmp /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/tools/llvm-reduce/flaky-interestingness.ll -o /dev/null
rm -f /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/test/tools/llvm-reduce/Output/flaky-interestingness.ll.tmp # RUN: at line 6
+ rm -f /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/test/tools/llvm-reduce/Output/flaky-interestingness.ll.tmp
llvm-reduce -j=1 -skip-verify-interesting-after-counting-chunks --delta-passes=instructions --test "/usr/bin/python3" --test-arg /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/tools/llvm-reduce/Inputs/flaky-test.py --test-arg /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/test/tools/llvm-reduce/Output/flaky-interestingness.ll.tmp /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/tools/llvm-reduce/flaky-interestingness.ll -o /dev/null 2>&1 | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/FileCheck --allow-empty -check-prefix=QUIET /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/tools/llvm-reduce/flaky-interestingness.ll # RUN: at line 7
+ llvm-reduce -j=1 -skip-verify-interesting-after-counting-chunks --delta-passes=instructions --test /usr/bin/python3 --test-arg /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/tools/llvm-reduce/Inputs/flaky-test.py --test-arg /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/test/tools/llvm-reduce/Output/flaky-interestingness.ll.tmp /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/tools/llvm-reduce/flaky-interestingness.ll -o /dev/null
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/FileCheck --allow-empty -check-prefix=QUIET /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/tools/llvm-reduce/flaky-interestingness.ll
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/tools/llvm-reduce/flaky-interestingness.ll:15:14: error: QUIET-NOT: excluded string found in input
; QUIET-NOT: error
             ^
<stdin>:65:14: note: found here
llvm-reduce: error: running interesting-ness test: Segmentation fault
             ^~~~~

Input file: <stdin>
Check file: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/tools/llvm-reduce/flaky-interestingness.ll

-dump-input=help explains the following input dump.

Input was:
<<<<<<
        .
        .
        .
       60:  pathlib.Path(sys.argv[1]).touch(exist_ok=False) 
       61:  File "/usr/lib/python3.12/pathlib.py", line 1305, in touch 
       62:  fd = os.open(self, flags, mode) 
       63:  ^^^^^^^^^^^^^^^^^^^^^^^^^^ 
       64: FileExistsError: [Errno 17] File exists: '/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/test/tools/llvm-reduce/Output/flaky-interestingness.ll.tmp' 
       65: llvm-reduce: error: running interesting-ness test: Segmentation fault 
Step 14 (stage3/hwasan check) failure: stage3/hwasan check (failure)
...
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/utils/lit/lit/main.py:72: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 900 seconds was requested on the command line. Forcing timeout to be 900 seconds.
-- Testing: 84676 tests, 72 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.
FAIL: LLVM :: tools/llvm-reduce/flaky-interestingness.ll (81743 of 84676)
******************** TEST 'LLVM :: tools/llvm-reduce/flaky-interestingness.ll' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
rm -f /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/test/tools/llvm-reduce/Output/flaky-interestingness.ll.tmp # RUN: at line 2
+ rm -f /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/test/tools/llvm-reduce/Output/flaky-interestingness.ll.tmp
llvm-reduce -j=1 --delta-passes=instructions --test "/usr/bin/python3" --test-arg /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/tools/llvm-reduce/Inputs/flaky-test.py --test-arg /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/test/tools/llvm-reduce/Output/flaky-interestingness.ll.tmp /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/tools/llvm-reduce/flaky-interestingness.ll -o /dev/null 2>&1 | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/tools/llvm-reduce/flaky-interestingness.ll # RUN: at line 3
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/tools/llvm-reduce/flaky-interestingness.ll
+ llvm-reduce -j=1 --delta-passes=instructions --test /usr/bin/python3 --test-arg /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/tools/llvm-reduce/Inputs/flaky-test.py --test-arg /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/test/tools/llvm-reduce/Output/flaky-interestingness.ll.tmp /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/tools/llvm-reduce/flaky-interestingness.ll -o /dev/null
rm -f /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/test/tools/llvm-reduce/Output/flaky-interestingness.ll.tmp # RUN: at line 6
+ rm -f /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/test/tools/llvm-reduce/Output/flaky-interestingness.ll.tmp
llvm-reduce -j=1 -skip-verify-interesting-after-counting-chunks --delta-passes=instructions --test "/usr/bin/python3" --test-arg /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/tools/llvm-reduce/Inputs/flaky-test.py --test-arg /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/test/tools/llvm-reduce/Output/flaky-interestingness.ll.tmp /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/tools/llvm-reduce/flaky-interestingness.ll -o /dev/null 2>&1 | /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/FileCheck --allow-empty -check-prefix=QUIET /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/tools/llvm-reduce/flaky-interestingness.ll # RUN: at line 7
+ llvm-reduce -j=1 -skip-verify-interesting-after-counting-chunks --delta-passes=instructions --test /usr/bin/python3 --test-arg /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/tools/llvm-reduce/Inputs/flaky-test.py --test-arg /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/test/tools/llvm-reduce/Output/flaky-interestingness.ll.tmp /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/tools/llvm-reduce/flaky-interestingness.ll -o /dev/null
+ /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/bin/FileCheck --allow-empty -check-prefix=QUIET /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/tools/llvm-reduce/flaky-interestingness.ll
/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/tools/llvm-reduce/flaky-interestingness.ll:15:14: error: QUIET-NOT: excluded string found in input
; QUIET-NOT: error
             ^
<stdin>:65:14: note: found here
llvm-reduce: error: running interesting-ness test: Segmentation fault
             ^~~~~

Input file: <stdin>
Check file: /home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm-project/llvm/test/tools/llvm-reduce/flaky-interestingness.ll

-dump-input=help explains the following input dump.

Input was:
<<<<<<
        .
        .
        .
       60:  pathlib.Path(sys.argv[1]).touch(exist_ok=False) 
       61:  File "/usr/lib/python3.12/pathlib.py", line 1305, in touch 
       62:  fd = os.open(self, flags, mode) 
       63:  ^^^^^^^^^^^^^^^^^^^^^^^^^^ 
       64: FileExistsError: [Errno 17] File exists: '/home/b/sanitizer-aarch64-linux-bootstrap-hwasan/build/llvm_build2_hwasan/test/tools/llvm-reduce/Output/flaky-interestingness.ll.tmp' 
       65: llvm-reduce: error: running interesting-ness test: Segmentation fault 

```

</details>

https://github.com/llvm/llvm-project/pull/135490