[llvm] [InstCombine] Don't check uses of constant exprs (PR #113684)

Mon Oct 28 02:02:30 PDT 2024

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-x86_64-linux-bootstrap-asan` running on `sanitizer-buildbot1` while building `llvm` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/52/builds/3270

<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-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld.lld: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/ld.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/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: 86550 of 86551 tests, 88 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.
FAIL: lld :: COFF/duplicate-absolute-same.s (83623 of 86550)
******************** TEST 'lld :: COFF/duplicate-absolute-same.s' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 2: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/llvm-mc -triple x86_64-windows-msvc -filetype obj -o /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/tools/lld/test/COFF/Output/duplicate-absolute-same.s.tmp.obj /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/lld/test/COFF/duplicate-absolute-same.s
+ /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/llvm-mc -triple x86_64-windows-msvc -filetype obj -o /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/tools/lld/test/COFF/Output/duplicate-absolute-same.s.tmp.obj /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/lld/test/COFF/duplicate-absolute-same.s
RUN: at line 3: echo -e ".globl myabsolute\nmyabsolute = 0" > /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/tools/lld/test/COFF/Output/duplicate-absolute-same.s.tmp.dupl.s
+ echo -e '.globl myabsolute\nmyabsolute = 0'
RUN: at line 4: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/llvm-mc -triple x86_64-windows-msvc -filetype obj -o /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/tools/lld/test/COFF/Output/duplicate-absolute-same.s.tmp.dupl.obj /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/tools/lld/test/COFF/Output/duplicate-absolute-same.s.tmp.dupl.s
+ /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/llvm-mc -triple x86_64-windows-msvc -filetype obj -o /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/tools/lld/test/COFF/Output/duplicate-absolute-same.s.tmp.dupl.obj /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/tools/lld/test/COFF/Output/duplicate-absolute-same.s.tmp.dupl.s
RUN: at line 5: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/lld-link /out:/home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/tools/lld/test/COFF/Output/duplicate-absolute-same.s.tmp.exe /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/tools/lld/test/COFF/Output/duplicate-absolute-same.s.tmp.obj /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/tools/lld/test/COFF/Output/duplicate-absolute-same.s.tmp.dupl.obj -subsystem:console -entry:entry 2>&1 | /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/count 0
+ /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/count 0
+ /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/lld-link /out:/home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/tools/lld/test/COFF/Output/duplicate-absolute-same.s.tmp.exe /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/tools/lld/test/COFF/Output/duplicate-absolute-same.s.tmp.obj /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/tools/lld/test/COFF/Output/duplicate-absolute-same.s.tmp.dupl.obj -subsystem:console -entry:entry
Expected 0 lines, got 1.

--

********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.. 
Slowest Tests:
--------------------------------------------------------------------------
240.70s: LLVM :: CodeGen/AMDGPU/sched-group-barrier-pipeline-solver.mir
125.70s: Clang :: Driver/fsanitize.c
122.82s: Clang :: Preprocessor/riscv-target-features.c
105.11s: Clang :: OpenMP/target_defaultmap_codegen_01.cpp
101.22s: Clang :: OpenMP/target_update_codegen.cpp
98.86s: Clang :: Driver/arm-cortex-cpus-2.c
97.00s: Clang :: Driver/arm-cortex-cpus-1.c
80.11s: Clang :: Preprocessor/aarch64-target-features.c
79.89s: Clang :: Preprocessor/arm-target-features.c
71.75s: Clang :: Preprocessor/predefined-arch-macros.c
70.52s: Clang :: Driver/clang_f_opts.c
69.22s: Clang :: Driver/linux-ld.c
68.63s: LLVM :: CodeGen/RISCV/attributes.ll
66.61s: Clang :: Analysis/a_flaky_crash.cpp
63.01s: Clang :: Driver/cl-options.c
58.27s: Clang :: Driver/x86-target-features.c
Step 10 (stage2/asan check) failure: stage2/asan check (failure)
...
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld.lld: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/ld.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-asan/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: 86550 of 86551 tests, 88 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.
FAIL: lld :: COFF/duplicate-absolute-same.s (83623 of 86550)
******************** TEST 'lld :: COFF/duplicate-absolute-same.s' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 2: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/llvm-mc -triple x86_64-windows-msvc -filetype obj -o /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/tools/lld/test/COFF/Output/duplicate-absolute-same.s.tmp.obj /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/lld/test/COFF/duplicate-absolute-same.s
+ /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/llvm-mc -triple x86_64-windows-msvc -filetype obj -o /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/tools/lld/test/COFF/Output/duplicate-absolute-same.s.tmp.obj /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm-project/lld/test/COFF/duplicate-absolute-same.s
RUN: at line 3: echo -e ".globl myabsolute\nmyabsolute = 0" > /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/tools/lld/test/COFF/Output/duplicate-absolute-same.s.tmp.dupl.s
+ echo -e '.globl myabsolute\nmyabsolute = 0'
RUN: at line 4: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/llvm-mc -triple x86_64-windows-msvc -filetype obj -o /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/tools/lld/test/COFF/Output/duplicate-absolute-same.s.tmp.dupl.obj /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/tools/lld/test/COFF/Output/duplicate-absolute-same.s.tmp.dupl.s
+ /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/llvm-mc -triple x86_64-windows-msvc -filetype obj -o /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/tools/lld/test/COFF/Output/duplicate-absolute-same.s.tmp.dupl.obj /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/tools/lld/test/COFF/Output/duplicate-absolute-same.s.tmp.dupl.s
RUN: at line 5: /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/lld-link /out:/home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/tools/lld/test/COFF/Output/duplicate-absolute-same.s.tmp.exe /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/tools/lld/test/COFF/Output/duplicate-absolute-same.s.tmp.obj /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/tools/lld/test/COFF/Output/duplicate-absolute-same.s.tmp.dupl.obj -subsystem:console -entry:entry 2>&1 | /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/count 0
+ /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/count 0
+ /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/bin/lld-link /out:/home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/tools/lld/test/COFF/Output/duplicate-absolute-same.s.tmp.exe /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/tools/lld/test/COFF/Output/duplicate-absolute-same.s.tmp.obj /home/b/sanitizer-x86_64-linux-bootstrap-asan/build/llvm_build_asan/tools/lld/test/COFF/Output/duplicate-absolute-same.s.tmp.dupl.obj -subsystem:console -entry:entry
Expected 0 lines, got 1.

--

********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.. 
Slowest Tests:
--------------------------------------------------------------------------
240.70s: LLVM :: CodeGen/AMDGPU/sched-group-barrier-pipeline-solver.mir
125.70s: Clang :: Driver/fsanitize.c
122.82s: Clang :: Preprocessor/riscv-target-features.c
105.11s: Clang :: OpenMP/target_defaultmap_codegen_01.cpp
101.22s: Clang :: OpenMP/target_update_codegen.cpp
98.86s: Clang :: Driver/arm-cortex-cpus-2.c
97.00s: Clang :: Driver/arm-cortex-cpus-1.c
80.11s: Clang :: Preprocessor/aarch64-target-features.c
79.89s: Clang :: Preprocessor/arm-target-features.c
71.75s: Clang :: Preprocessor/predefined-arch-macros.c
70.52s: Clang :: Driver/clang_f_opts.c
69.22s: Clang :: Driver/linux-ld.c
68.63s: LLVM :: CodeGen/RISCV/attributes.ll
66.61s: Clang :: Analysis/a_flaky_crash.cpp
63.01s: Clang :: Driver/cl-options.c
58.27s: Clang :: Driver/x86-target-features.c

```

</details>

https://github.com/llvm/llvm-project/pull/113684