[llvm] [LoongArch] Custom lower vecreduce. (PR #155196)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-aarch64-linux-bootstrap-msan` running on `sanitizer-buildbot10` while building `llvm` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/94/builds/10423

<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-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:527: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:527: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:527: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:527: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:527: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:527: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:527: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/main.py:74: 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: 86960 tests, 72 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80..
FAIL: LLVM :: tools/llvm-exegesis/AArch64/error-resolution.s (77057 of 86960)
******************** TEST 'LLVM :: tools/llvm-exegesis/AArch64/error-resolution.s' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/llvm-exegesis --mtriple=aarch64 --mcpu=neoverse-v2 --mode=latency  --benchmark-phase=prepare-and-assemble-snippet --opcode-name=MOVIv4s_msl 2>&1 | /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s --check-prefix=MOVIv4s_msl_latency # RUN: at line 8
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s --check-prefix=MOVIv4s_msl_latency
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/llvm-exegesis --mtriple=aarch64 --mcpu=neoverse-v2 --mode=latency --benchmark-phase=prepare-and-assemble-snippet --opcode-name=MOVIv4s_msl
/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/llvm-exegesis --mtriple=aarch64 --mcpu=neoverse-v2 --mode=inverse_throughput --benchmark-phase=prepare-and-assemble-snippet --opcode-name=MOVIv4s_msl 2>&1 | /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s --check-prefix=MOVIv4s_msl_throughput # RUN: at line 9
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s --check-prefix=MOVIv4s_msl_throughput
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/llvm-exegesis --mtriple=aarch64 --mcpu=neoverse-v2 --mode=inverse_throughput --benchmark-phase=prepare-and-assemble-snippet --opcode-name=MOVIv4s_msl
/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/llvm-exegesis --mtriple=aarch64 --mcpu=neoverse-v2 --mode=latency  --benchmark-phase=prepare-and-assemble-snippet --opcode-name=MOVIv2s_msl 2>&1 | /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s --check-prefix=MOVIv2s_msl_latency # RUN: at line 24
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s --check-prefix=MOVIv2s_msl_latency
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/llvm-exegesis --mtriple=aarch64 --mcpu=neoverse-v2 --mode=latency --benchmark-phase=prepare-and-assemble-snippet --opcode-name=MOVIv2s_msl
/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/llvm-exegesis --mtriple=aarch64 --mcpu=neoverse-v2 --mode=inverse_throughput --benchmark-phase=prepare-and-assemble-snippet --opcode-name=MOVIv2s_msl 2>&1 | /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s --check-prefix=MOVIv2s_msl_throughput # RUN: at line 25
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/llvm-exegesis --mtriple=aarch64 --mcpu=neoverse-v2 --mode=inverse_throughput --benchmark-phase=prepare-and-assemble-snippet --opcode-name=MOVIv2s_msl
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s --check-prefix=MOVIv2s_msl_throughput
/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/llvm-exegesis --mtriple=aarch64 --mcpu=neoverse-v2 --mode=latency  --benchmark-phase=prepare-and-assemble-snippet --opcode-name=LDRDl 2>&1 | /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s --check-prefix=LDRDl_latency # RUN: at line 43
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/llvm-exegesis --mtriple=aarch64 --mcpu=neoverse-v2 --mode=latency --benchmark-phase=prepare-and-assemble-snippet --opcode-name=LDRDl
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s --check-prefix=LDRDl_latency
/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/llvm-exegesis --mtriple=aarch64 --mcpu=neoverse-v2 --mode=inverse_throughput --benchmark-phase=prepare-and-assemble-snippet --opcode-name=LDRDl 2>&1 | /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s --check-prefix=LDRDl_throughput # RUN: at line 44
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/llvm-exegesis --mtriple=aarch64 --mcpu=neoverse-v2 --mode=inverse_throughput --benchmark-phase=prepare-and-assemble-snippet --opcode-name=LDRDl
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s --check-prefix=LDRDl_throughput
/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/llvm-exegesis --mtriple=aarch64 --mcpu=neoverse-v2 --mode=latency --benchmark-phase=prepare-and-assemble-snippet --opcode-name=UMOVvi16_idx0 2>&1 | /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s --check-prefix=UMOVvi16_idx0_latency # RUN: at line 61
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/llvm-exegesis --mtriple=aarch64 --mcpu=neoverse-v2 --mode=latency --benchmark-phase=prepare-and-assemble-snippet --opcode-name=UMOVvi16_idx0
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s --check-prefix=UMOVvi16_idx0_latency
/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s:65:26: error: UMOVvi16_idx0_latency: expected string not found in input
# UMOVvi16_idx0_latency: ---
                         ^
<stdin>:1:1: note: scanning from here
UMOVvi16_idx0: Not all operands were initialized by the snippet generator for LD3i8_POST opcode.
^

Input file: <stdin>
Check file: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s

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

Step 14 (stage3/msan check) failure: stage3/msan check (failure)
...
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:527: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:527: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:527: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:527: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:527: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:527: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:527: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/main.py:74: 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: 86960 tests, 72 workers --
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80..
FAIL: LLVM :: tools/llvm-exegesis/AArch64/error-resolution.s (77057 of 86960)
******************** TEST 'LLVM :: tools/llvm-exegesis/AArch64/error-resolution.s' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/llvm-exegesis --mtriple=aarch64 --mcpu=neoverse-v2 --mode=latency  --benchmark-phase=prepare-and-assemble-snippet --opcode-name=MOVIv4s_msl 2>&1 | /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s --check-prefix=MOVIv4s_msl_latency # RUN: at line 8
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s --check-prefix=MOVIv4s_msl_latency
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/llvm-exegesis --mtriple=aarch64 --mcpu=neoverse-v2 --mode=latency --benchmark-phase=prepare-and-assemble-snippet --opcode-name=MOVIv4s_msl
/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/llvm-exegesis --mtriple=aarch64 --mcpu=neoverse-v2 --mode=inverse_throughput --benchmark-phase=prepare-and-assemble-snippet --opcode-name=MOVIv4s_msl 2>&1 | /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s --check-prefix=MOVIv4s_msl_throughput # RUN: at line 9
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s --check-prefix=MOVIv4s_msl_throughput
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/llvm-exegesis --mtriple=aarch64 --mcpu=neoverse-v2 --mode=inverse_throughput --benchmark-phase=prepare-and-assemble-snippet --opcode-name=MOVIv4s_msl
/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/llvm-exegesis --mtriple=aarch64 --mcpu=neoverse-v2 --mode=latency  --benchmark-phase=prepare-and-assemble-snippet --opcode-name=MOVIv2s_msl 2>&1 | /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s --check-prefix=MOVIv2s_msl_latency # RUN: at line 24
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s --check-prefix=MOVIv2s_msl_latency
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/llvm-exegesis --mtriple=aarch64 --mcpu=neoverse-v2 --mode=latency --benchmark-phase=prepare-and-assemble-snippet --opcode-name=MOVIv2s_msl
/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/llvm-exegesis --mtriple=aarch64 --mcpu=neoverse-v2 --mode=inverse_throughput --benchmark-phase=prepare-and-assemble-snippet --opcode-name=MOVIv2s_msl 2>&1 | /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s --check-prefix=MOVIv2s_msl_throughput # RUN: at line 25
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/llvm-exegesis --mtriple=aarch64 --mcpu=neoverse-v2 --mode=inverse_throughput --benchmark-phase=prepare-and-assemble-snippet --opcode-name=MOVIv2s_msl
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s --check-prefix=MOVIv2s_msl_throughput
/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/llvm-exegesis --mtriple=aarch64 --mcpu=neoverse-v2 --mode=latency  --benchmark-phase=prepare-and-assemble-snippet --opcode-name=LDRDl 2>&1 | /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s --check-prefix=LDRDl_latency # RUN: at line 43
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/llvm-exegesis --mtriple=aarch64 --mcpu=neoverse-v2 --mode=latency --benchmark-phase=prepare-and-assemble-snippet --opcode-name=LDRDl
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s --check-prefix=LDRDl_latency
/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/llvm-exegesis --mtriple=aarch64 --mcpu=neoverse-v2 --mode=inverse_throughput --benchmark-phase=prepare-and-assemble-snippet --opcode-name=LDRDl 2>&1 | /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s --check-prefix=LDRDl_throughput # RUN: at line 44
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/llvm-exegesis --mtriple=aarch64 --mcpu=neoverse-v2 --mode=inverse_throughput --benchmark-phase=prepare-and-assemble-snippet --opcode-name=LDRDl
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s --check-prefix=LDRDl_throughput
/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/llvm-exegesis --mtriple=aarch64 --mcpu=neoverse-v2 --mode=latency --benchmark-phase=prepare-and-assemble-snippet --opcode-name=UMOVvi16_idx0 2>&1 | /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s --check-prefix=UMOVvi16_idx0_latency # RUN: at line 61
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/llvm-exegesis --mtriple=aarch64 --mcpu=neoverse-v2 --mode=latency --benchmark-phase=prepare-and-assemble-snippet --opcode-name=UMOVvi16_idx0
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s --check-prefix=UMOVvi16_idx0_latency
/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s:65:26: error: UMOVvi16_idx0_latency: expected string not found in input
# UMOVvi16_idx0_latency: ---
                         ^
<stdin>:1:1: note: scanning from here
UMOVvi16_idx0: Not all operands were initialized by the snippet generator for LD3i8_POST opcode.
^

Input file: <stdin>
Check file: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/tools/llvm-exegesis/AArch64/error-resolution.s

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


```

</details>

https://github.com/llvm/llvm-project/pull/155196