llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder 
`sanitizer-x86_64-linux-bootstrap-msan` running on `sanitizer-buildbot6` while 
building `clang` at step 2 "annotate".

Full details are available at: 
https://lab.llvm.org/buildbot/#/builders/164/builds/9589

<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-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520:
 note: using lld-link: 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/lld-link
llvm-lit: 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520:
 note: using ld64.lld: 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld64.lld
llvm-lit: 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520:
 note: using wasm-ld: 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/wasm-ld
llvm-lit: 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520:
 note: using ld.lld: 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld.lld
llvm-lit: 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520:
 note: using lld-link: 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/lld-link
llvm-lit: 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520:
 note: using ld64.lld: 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld64.lld
llvm-lit: 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520:
 note: using wasm-ld: 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/wasm-ld
llvm-lit: 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/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: 89375 tests, 88 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80
FAIL: LLVM :: tools/llvm-exegesis/RISCV/rvv/filter.test (75798 of 89375)
******************** TEST 'LLVM :: tools/llvm-exegesis/RISCV/rvv/filter.test' 
FAILED ********************
Exit Code: 2

Command Output (stderr):
--
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/llvm-exegesis
 -mtriple=riscv64 -mcpu=sifive-x280 -benchmark-phase=assemble-measured-code 
--mode=inverse_throughput --opcode-name=PseudoVNCLIPU_WX_M1_MASK     
--riscv-filter-config='vtype = {VXRM: rod, AVL: VLMAX, SEW: e(8|16), Policy: 
ta/mu}' --max-configs-per-opcode=1000 --min-instructions=10 | 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/FileCheck
 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/RISCV/rvv/filter.test
 # RUN: at line 1
+ 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/FileCheck
 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/RISCV/rvv/filter.test
+ 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/llvm-exegesis
 -mtriple=riscv64 -mcpu=sifive-x280 -benchmark-phase=assemble-measured-code 
--mode=inverse_throughput --opcode-name=PseudoVNCLIPU_WX_M1_MASK 
'--riscv-filter-config=vtype = {VXRM: rod, AVL: VLMAX, SEW: e(8|16), Policy: 
ta/mu}' --max-configs-per-opcode=1000 --min-instructions=10
PseudoVNCLIPU_WX_M1_MASK: Failed to produce any snippet via: instruction has 
tied variables, avoiding Read-After-Write issue, picking random def and use 
registers not aliasing each other, for uses, one unique register for each 
position
FileCheck error: '<stdin>' is empty.
FileCheck command line:  
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/FileCheck
 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/RISCV/rvv/filter.test

--

********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.. 
Slowest Tests:
--------------------------------------------------------------------------
89.63s: LLVM :: CodeGen/AMDGPU/sched-group-barrier-pipeline-solver.mir
83.68s: LLVM :: CodeGen/AMDGPU/memintrinsic-unroll.ll
71.96s: Clang :: CodeGen/AArch64/sve-intrinsics/acle_sve_reinterpret.c
54.63s: Clang :: CodeGen/AArch64/sve-intrinsics/acle_sve_reinterpret-bfloat.c
53.73s: Clang :: Analysis/runtime-regression.c
50.23s: LLVM :: CodeGen/AMDGPU/amdgcn.bitcast.1024bit.ll
46.93s: LLVM :: MC/Mips/mips-jump-pc-region.s
39.28s: Clang :: Driver/fsanitize.c
36.67s: Clang :: Preprocessor/riscv-target-features.c
33.96s: Clang :: CodeGen/X86/avx-builtins.c
30.57s: Clang :: CodeGen/X86/sse2-builtins.c
30.41s: Clang :: CodeGen/X86/rot-intrinsics.c
29.46s: LLVM :: CodeGen/X86/vector-interleaved-load-i8-stride-8.ll
27.65s: Clang :: OpenMP/target_update_codegen.cpp
27.33s: Clang :: OpenMP/target_defaultmap_codegen_01.cpp
26.64s: LLVM :: CodeGen/RISCV/rvv/expandload.ll
26.49s: Clang :: Analysis/PR24184.cpp
25.31s: Clang :: CodeGen/X86/avx2-builtins.c
25.24s: LLVM :: MC/Mips/micromips-jump-pc-region.s
24.58s: Clang :: Driver/arm-cortex-cpus-2.c
Step 11 (stage2/msan check) failure: stage2/msan check (failure)
...
llvm-lit: 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520:
 note: using lld-link: 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/lld-link
llvm-lit: 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520:
 note: using ld64.lld: 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld64.lld
llvm-lit: 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520:
 note: using wasm-ld: 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/wasm-ld
llvm-lit: 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520:
 note: using ld.lld: 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld.lld
llvm-lit: 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520:
 note: using lld-link: 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/lld-link
llvm-lit: 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520:
 note: using ld64.lld: 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld64.lld
llvm-lit: 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:520:
 note: using wasm-ld: 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/wasm-ld
llvm-lit: 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/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: 89375 tests, 88 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80
FAIL: LLVM :: tools/llvm-exegesis/RISCV/rvv/filter.test (75798 of 89375)
******************** TEST 'LLVM :: tools/llvm-exegesis/RISCV/rvv/filter.test' 
FAILED ********************
Exit Code: 2

Command Output (stderr):
--
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/llvm-exegesis
 -mtriple=riscv64 -mcpu=sifive-x280 -benchmark-phase=assemble-measured-code 
--mode=inverse_throughput --opcode-name=PseudoVNCLIPU_WX_M1_MASK     
--riscv-filter-config='vtype = {VXRM: rod, AVL: VLMAX, SEW: e(8|16), Policy: 
ta/mu}' --max-configs-per-opcode=1000 --min-instructions=10 | 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/FileCheck
 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/RISCV/rvv/filter.test
 # RUN: at line 1
+ 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/FileCheck
 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/RISCV/rvv/filter.test
+ 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/llvm-exegesis
 -mtriple=riscv64 -mcpu=sifive-x280 -benchmark-phase=assemble-measured-code 
--mode=inverse_throughput --opcode-name=PseudoVNCLIPU_WX_M1_MASK 
'--riscv-filter-config=vtype = {VXRM: rod, AVL: VLMAX, SEW: e(8|16), Policy: 
ta/mu}' --max-configs-per-opcode=1000 --min-instructions=10
PseudoVNCLIPU_WX_M1_MASK: Failed to produce any snippet via: instruction has 
tied variables, avoiding Read-After-Write issue, picking random def and use 
registers not aliasing each other, for uses, one unique register for each 
position
FileCheck error: '<stdin>' is empty.
FileCheck command line:  
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/FileCheck
 
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/RISCV/rvv/filter.test

--

********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.. 
Slowest Tests:
--------------------------------------------------------------------------
89.63s: LLVM :: CodeGen/AMDGPU/sched-group-barrier-pipeline-solver.mir
83.68s: LLVM :: CodeGen/AMDGPU/memintrinsic-unroll.ll
71.96s: Clang :: CodeGen/AArch64/sve-intrinsics/acle_sve_reinterpret.c
54.63s: Clang :: CodeGen/AArch64/sve-intrinsics/acle_sve_reinterpret-bfloat.c
53.73s: Clang :: Analysis/runtime-regression.c
50.23s: LLVM :: CodeGen/AMDGPU/amdgcn.bitcast.1024bit.ll
46.93s: LLVM :: MC/Mips/mips-jump-pc-region.s
39.28s: Clang :: Driver/fsanitize.c
36.67s: Clang :: Preprocessor/riscv-target-features.c
33.96s: Clang :: CodeGen/X86/avx-builtins.c
30.57s: Clang :: CodeGen/X86/sse2-builtins.c
30.41s: Clang :: CodeGen/X86/rot-intrinsics.c
29.46s: LLVM :: CodeGen/X86/vector-interleaved-load-i8-stride-8.ll
27.65s: Clang :: OpenMP/target_update_codegen.cpp
27.33s: Clang :: OpenMP/target_defaultmap_codegen_01.cpp
26.64s: LLVM :: CodeGen/RISCV/rvv/expandload.ll
26.49s: Clang :: Analysis/PR24184.cpp
25.31s: Clang :: CodeGen/X86/avx2-builtins.c
25.24s: LLVM :: MC/Mips/micromips-jump-pc-region.s
24.58s: Clang :: Driver/arm-cortex-cpus-2.c

```

</details>

https://github.com/llvm/llvm-project/pull/138222
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