[llvm] [IR] Remove deprecated Instruction*-based insertBefore/moveBefore overloads (PR #218234)

Sun Aug 23 11:28:01 PDT 2026

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-s390x-linux-lnt` running on `systemz-1` while building `llvm` at step 7 "ninja check 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/136/builds/8749

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

```
Step 7 (ninja check 1) failure: stage 1 checked (failure)
******************** TEST 'libFuzzer-s390x-default-Linux :: fuzzer-timeout.test' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 1
/home/buildbot/sandbox/buildbot/clang-s390x-linux-lnt/stage1/./bin/clang    -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta   --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/buildbot/sandbox/buildbot/clang-s390x-linux-lnt/llvm/compiler-rt/lib/fuzzer  /home/buildbot/sandbox/buildbot/clang-s390x-linux-lnt/llvm/compiler-rt/test/fuzzer/TimeoutTest.cpp -o /home/buildbot/sandbox/buildbot/clang-s390x-linux-lnt/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutTest
# executed command: /home/buildbot/sandbox/buildbot/clang-s390x-linux-lnt/stage1/./bin/clang -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/buildbot/sandbox/buildbot/clang-s390x-linux-lnt/llvm/compiler-rt/lib/fuzzer /home/buildbot/sandbox/buildbot/clang-s390x-linux-lnt/llvm/compiler-rt/test/fuzzer/TimeoutTest.cpp -o /home/buildbot/sandbox/buildbot/clang-s390x-linux-lnt/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutTest
# RUN: at line 2
/home/buildbot/sandbox/buildbot/clang-s390x-linux-lnt/stage1/./bin/clang    -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta   --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/buildbot/sandbox/buildbot/clang-s390x-linux-lnt/llvm/compiler-rt/lib/fuzzer  /home/buildbot/sandbox/buildbot/clang-s390x-linux-lnt/llvm/compiler-rt/test/fuzzer/TimeoutEmptyTest.cpp -o /home/buildbot/sandbox/buildbot/clang-s390x-linux-lnt/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutEmptyTest
# executed command: /home/buildbot/sandbox/buildbot/clang-s390x-linux-lnt/stage1/./bin/clang -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta --driver-mode=g++ -O2 -gline-tables-only -fsanitize=address,fuzzer -I/home/buildbot/sandbox/buildbot/clang-s390x-linux-lnt/llvm/compiler-rt/lib/fuzzer /home/buildbot/sandbox/buildbot/clang-s390x-linux-lnt/llvm/compiler-rt/test/fuzzer/TimeoutEmptyTest.cpp -o /home/buildbot/sandbox/buildbot/clang-s390x-linux-lnt/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutEmptyTest
# RUN: at line 3
not  /home/buildbot/sandbox/buildbot/clang-s390x-linux-lnt/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutTest -timeout=1 2>&1 | FileCheck /home/buildbot/sandbox/buildbot/clang-s390x-linux-lnt/llvm/compiler-rt/test/fuzzer/fuzzer-timeout.test --check-prefix=TimeoutTest
# executed command: not /home/buildbot/sandbox/buildbot/clang-s390x-linux-lnt/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutTest -timeout=1
# executed command: FileCheck /home/buildbot/sandbox/buildbot/clang-s390x-linux-lnt/llvm/compiler-rt/test/fuzzer/fuzzer-timeout.test --check-prefix=TimeoutTest
# RUN: at line 12
not  /home/buildbot/sandbox/buildbot/clang-s390x-linux-lnt/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutTest -timeout=1 /home/buildbot/sandbox/buildbot/clang-s390x-linux-lnt/llvm/compiler-rt/test/fuzzer/hi.txt 2>&1 | FileCheck /home/buildbot/sandbox/buildbot/clang-s390x-linux-lnt/llvm/compiler-rt/test/fuzzer/fuzzer-timeout.test --check-prefix=SingleInputTimeoutTest
# executed command: not /home/buildbot/sandbox/buildbot/clang-s390x-linux-lnt/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutTest -timeout=1 /home/buildbot/sandbox/buildbot/clang-s390x-linux-lnt/llvm/compiler-rt/test/fuzzer/hi.txt
# executed command: FileCheck /home/buildbot/sandbox/buildbot/clang-s390x-linux-lnt/llvm/compiler-rt/test/fuzzer/fuzzer-timeout.test --check-prefix=SingleInputTimeoutTest
# RUN: at line 16
/home/buildbot/sandbox/buildbot/clang-s390x-linux-lnt/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutTest -timeout=1 -timeout_exitcode=0
# executed command: /home/buildbot/sandbox/buildbot/clang-s390x-linux-lnt/stage1/runtimes/runtimes-bins/compiler-rt/test/fuzzer/S390XDefaultLinuxConfig/Output/fuzzer-timeout.test.tmp-TimeoutTest -timeout=1 -timeout_exitcode=0
# .---command stderr------------
# | INFO: Running with entropic power schedule (0xFF, 100).
# | INFO: Seed: 2532655967
# | INFO: Loaded 1 modules   (12 inline 8-bit counters): 12 [0x2aa09b4be88, 0x2aa09b4be94), 
# | INFO: Loaded 1 PC tables (12 PCs): 12 [0x2aa09b4be98,0x2aa09b4bf58), 
# | INFO: -max_len is not provided; libFuzzer will not generate inputs larger than 4096 bytes
# | INFO: A corpus is not provided, starting from an empty corpus
# | #2	INITED cov: 2 ft: 2 corp: 1/1b exec/s: 0 rss: 114Mb
# | #635	NEW    cov: 3 ft: 3 corp: 2/2b lim: 8 exec/s: 0 rss: 114Mb L: 1/1 MS: 3 ShuffleBytes-ChangeBit-ChangeBit-
# | #654	NEW    cov: 4 ft: 4 corp: 3/8b lim: 8 exec/s: 0 rss: 114Mb L: 6/6 MS: 4 CMP-ShuffleBytes-InsertByte-CrossOver- DE: "\377\377\377\377"-
# | #692	REDUCE cov: 4 ft: 4 corp: 3/6b lim: 8 exec/s: 0 rss: 114Mb L: 4/4 MS: 3 CopyPart-CopyPart-EraseBytes-
# | #719	REDUCE cov: 4 ft: 4 corp: 3/4b lim: 8 exec/s: 0 rss: 114Mb L: 2/2 MS: 2 ShuffleBytes-EraseBytes-
# | #1524	NEW    cov: 5 ft: 5 corp: 4/6b lim: 14 exec/s: 0 rss: 114Mb L: 2/2 MS: 5 InsertByte-ChangeBit-ChangeByte-ShuffleBytes-ChangeBit-
# | #1575	NEW    cov: 6 ft: 6 corp: 5/9b lim: 14 exec/s: 0 rss: 114Mb L: 3/3 MS: 1 CrossOver-
# | ALARM: working on the last Unit for 1 seconds
# |        and the timeout value is 1 (use -timeout=N to change)
# | MS: 2 ShuffleBytes-ChangeByte-; base unit: 0c1bc52c50016933679b0980ccff3680e5831162
# | 0x48,0x69,0x21,
# | Hi!
# | artifact_prefix='./'; Test unit written to ./timeout-c0a0ad26a634840c67a210fefdda76577b03a111
# | Base64: SGkh
# | ==1920376== ERROR: libFuzzer: timeout after 1 seconds
# | AddressSanitizer:DEADLYSIGNAL
# | =================================================================
# | AddressSanitizer:DEADLYSIGNAL
# | =================================================================
# | AddressSanitizer: CHECK failed: asan_report.cpp:227 "((current_error_.kind)) == ((kErrorKindInvalid))" (0x1, 0x0) (tid=1920376)
# |     <empty stack>
...

```

</details>

https://github.com/llvm/llvm-project/pull/218234