[llvm] [GlobalIsel] Add combine for select with constants (PR #121088)

Tue Dec 31 22:04:20 PST 2024

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `fuchsia-x86_64-linux` running on `fuchsia-debian-64-us-central1-a-1` while building `llvm` at step 4 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/11/builds/10362

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

```
Step 4 (annotate) failure: 'python ../llvm-zorg/zorg/buildbot/builders/annotated/fuchsia-linux.py ...' (failure)
...
[1361/1364] Building CXX object unittests/Transforms/Scalar/CMakeFiles/ScalarTests.dir/LoopPassManagerTest.cpp.o
clang++: warning: optimization flag '-ffat-lto-objects' is not supported [-Wignored-optimization-argument]
[1362/1364] Linking CXX executable unittests/Transforms/Scalar/ScalarTests
[1363/1364] Running the LLVM regression tests
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld.lld: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/bin/ld.lld
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/bin/lld-link
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/bin/ld64.lld
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/bin/wasm-ld
-- Testing: 57469 tests, 60 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50
FAIL: LLVM :: ExecutionEngine/JITLink/AArch64/ELF_relocations.s (30057 of 57469)
******************** TEST 'LLVM :: ExecutionEngine/JITLink/AArch64/ELF_relocations.s' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 1: rm -rf /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/test/ExecutionEngine/JITLink/AArch64/Output/ELF_relocations.s.tmp && mkdir -p /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/test/ExecutionEngine/JITLink/AArch64/Output/ELF_relocations.s.tmp
+ rm -rf /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/test/ExecutionEngine/JITLink/AArch64/Output/ELF_relocations.s.tmp
+ mkdir -p /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/test/ExecutionEngine/JITLink/AArch64/Output/ELF_relocations.s.tmp
RUN: at line 2: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/bin/llvm-mc -triple=aarch64-unknown-linux-gnu -x86-relax-relocations=false    -position-independent -filetype=obj -o /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/test/ExecutionEngine/JITLink/AArch64/Output/ELF_relocations.s.tmp/elf_reloc.o /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/test/ExecutionEngine/JITLink/AArch64/ELF_relocations.s
+ /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/bin/llvm-mc -triple=aarch64-unknown-linux-gnu -x86-relax-relocations=false -position-independent -filetype=obj -o /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/test/ExecutionEngine/JITLink/AArch64/Output/ELF_relocations.s.tmp/elf_reloc.o /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/test/ExecutionEngine/JITLink/AArch64/ELF_relocations.s
RUN: at line 4: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/bin/llvm-jitlink -noexec               -abs external_data=0xdeadbeef               -abs external_func=0xcafef00d               -check /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/test/ExecutionEngine/JITLink/AArch64/ELF_relocations.s /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/test/ExecutionEngine/JITLink/AArch64/Output/ELF_relocations.s.tmp/elf_reloc.o
+ /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/bin/llvm-jitlink -noexec -abs external_data=0xdeadbeef -abs external_func=0xcafef00d -check /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/test/ExecutionEngine/JITLink/AArch64/ELF_relocations.s /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/test/ExecutionEngine/JITLink/AArch64/Output/ELF_relocations.s.tmp/elf_reloc.o
Expression 'decode_operand(test_adr_gotpage_external, 1) =      (got_addr(elf_reloc.o, external_data)[32:12] -         test_adr_gotpage_external[32:12])' is false: 0x108 != 0xffffffffffe00108
/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/bin/llvm-jitlink: Some checks in /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/test/ExecutionEngine/JITLink/AArch64/ELF_relocations.s failed

--

********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.. 
********************
Failed Tests (1):
  LLVM :: ExecutionEngine/JITLink/AArch64/ELF_relocations.s

Testing Time: 74.91s

Total Discovered Tests: 63375
  Skipped          :    35 (0.06%)
  Unsupported      : 17362 (27.40%)
  Passed           : 45911 (72.44%)
  Expectedly Failed:    66 (0.10%)
  Failed           :     1 (0.00%)
FAILED: test/CMakeFiles/check-llvm /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/test/CMakeFiles/check-llvm 
cd /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/test && /usr/bin/python3.10 /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/./bin/llvm-lit -sv /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/test
ninja: build stopped: subcommand failed.
['ninja', '-C', '/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46', 'check-llvm', 'check-clang', 'check-lld'] exited with return code 1.
@@@STEP_FAILURE@@@
Step 7 (check) failure: check (failure)
...
[1361/1364] Building CXX object unittests/Transforms/Scalar/CMakeFiles/ScalarTests.dir/LoopPassManagerTest.cpp.o
clang++: warning: optimization flag '-ffat-lto-objects' is not supported [-Wignored-optimization-argument]
[1362/1364] Linking CXX executable unittests/Transforms/Scalar/ScalarTests
[1363/1364] Running the LLVM regression tests
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld.lld: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/bin/ld.lld
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/bin/lld-link
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/bin/ld64.lld
llvm-lit: /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/bin/wasm-ld
-- Testing: 57469 tests, 60 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50
FAIL: LLVM :: ExecutionEngine/JITLink/AArch64/ELF_relocations.s (30057 of 57469)
******************** TEST 'LLVM :: ExecutionEngine/JITLink/AArch64/ELF_relocations.s' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 1: rm -rf /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/test/ExecutionEngine/JITLink/AArch64/Output/ELF_relocations.s.tmp && mkdir -p /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/test/ExecutionEngine/JITLink/AArch64/Output/ELF_relocations.s.tmp
+ rm -rf /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/test/ExecutionEngine/JITLink/AArch64/Output/ELF_relocations.s.tmp
+ mkdir -p /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/test/ExecutionEngine/JITLink/AArch64/Output/ELF_relocations.s.tmp
RUN: at line 2: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/bin/llvm-mc -triple=aarch64-unknown-linux-gnu -x86-relax-relocations=false    -position-independent -filetype=obj -o /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/test/ExecutionEngine/JITLink/AArch64/Output/ELF_relocations.s.tmp/elf_reloc.o /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/test/ExecutionEngine/JITLink/AArch64/ELF_relocations.s
+ /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/bin/llvm-mc -triple=aarch64-unknown-linux-gnu -x86-relax-relocations=false -position-independent -filetype=obj -o /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/test/ExecutionEngine/JITLink/AArch64/Output/ELF_relocations.s.tmp/elf_reloc.o /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/test/ExecutionEngine/JITLink/AArch64/ELF_relocations.s
RUN: at line 4: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/bin/llvm-jitlink -noexec               -abs external_data=0xdeadbeef               -abs external_func=0xcafef00d               -check /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/test/ExecutionEngine/JITLink/AArch64/ELF_relocations.s /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/test/ExecutionEngine/JITLink/AArch64/Output/ELF_relocations.s.tmp/elf_reloc.o
+ /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/bin/llvm-jitlink -noexec -abs external_data=0xdeadbeef -abs external_func=0xcafef00d -check /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/test/ExecutionEngine/JITLink/AArch64/ELF_relocations.s /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/test/ExecutionEngine/JITLink/AArch64/Output/ELF_relocations.s.tmp/elf_reloc.o
Expression 'decode_operand(test_adr_gotpage_external, 1) =      (got_addr(elf_reloc.o, external_data)[32:12] -         test_adr_gotpage_external[32:12])' is false: 0x108 != 0xffffffffffe00108
/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/bin/llvm-jitlink: Some checks in /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/llvm/test/ExecutionEngine/JITLink/AArch64/ELF_relocations.s failed

--

********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.. 
********************
Failed Tests (1):
  LLVM :: ExecutionEngine/JITLink/AArch64/ELF_relocations.s

Testing Time: 74.91s

Total Discovered Tests: 63375
  Skipped          :    35 (0.06%)
  Unsupported      : 17362 (27.40%)
  Passed           : 45911 (72.44%)
  Expectedly Failed:    66 (0.10%)
  Failed           :     1 (0.00%)
FAILED: test/CMakeFiles/check-llvm /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/test/CMakeFiles/check-llvm 
cd /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/test && /usr/bin/python3.10 /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/./bin/llvm-lit -sv /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46/test
ninja: build stopped: subcommand failed.
['ninja', '-C', '/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-p_rd6d46', 'check-llvm', 'check-clang', 'check-lld'] exited with return code 1.
program finished with exit code 0
elapsedTime=1103.472978

```

</details>

https://github.com/llvm/llvm-project/pull/121088