[llvm] [AArch64] Reduce the cost of repeated sub-shuffle (PR #139331)
LLVM Continuous Integration via llvm-commits
llvm-commits at lists.llvm.org
Fri May 16 13:37:46 PDT 2025
llvm-ci wrote:
LLVM Buildbot has detected a new failure on builder `sanitizer-x86_64-linux-bootstrap-msan` running on `sanitizer-buildbot6` while building `llvm` at step 2 "annotate".
Full details are available at: https://lab.llvm.org/buildbot/#/builders/164/builds/10022
<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: 89658 tests, 88 workers --
Testing: 0.. 10.. 20.
FAIL: LLVM :: Analysis/CostModel/AArch64/div.ll (23575 of 89658)
******************** TEST 'LLVM :: Analysis/CostModel/AArch64/div.ll' FAILED ********************
Exit Code: 1
Command Output (stderr):
--
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/opt < /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/test/Analysis/CostModel/AArch64/div.ll -mtriple=aarch64-unknown-linux-gnu -passes="print<cost-model>" -cost-kind=all 2>&1 -disable-output | /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/Analysis/CostModel/AArch64/div.ll # RUN: at line 2
+ /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/opt -mtriple=aarch64-unknown-linux-gnu '-passes=print<cost-model>' -cost-kind=all -disable-output
+ /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/Analysis/CostModel/AArch64/div.ll
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/test/Analysis/CostModel/AArch64/div.ll:206:16: error: CHECK-LABEL: expected string not found in input
; CHECK-LABEL: 'udiv_uniform'
^
<stdin>:51:68: note: scanning from here
Printing analysis 'Cost Model Analysis' for function 'sdiv_uniform':
^
<stdin>:58:49: note: possible intended match here
2. Running pass "print<cost-model>" on function "sdiv_uniform"
^
Input file: <stdin>
Check file: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/test/Analysis/CostModel/AArch64/div.ll
-dump-input=help explains the following input dump.
Input was:
<<<<<<
.
.
.
46: Cost Model: Found costs of RThru:88 CodeSize:4 Lat:4 SizeLat:4 for: %V8i8 = udiv <8 x i8> undef, undef
47: Cost Model: Found costs of RThru:168 CodeSize:4 Lat:4 SizeLat:4 for: %V16i8 = udiv <16 x i8> undef, undef
48: Cost Model: Found costs of RThru:328 CodeSize:4 Lat:4 SizeLat:4 for: %V32i8 = udiv <32 x i8> undef, undef
49: Cost Model: Found costs of RThru:648 CodeSize:4 Lat:4 SizeLat:4 for: %V64i8 = udiv <64 x i8> undef, undef
50: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret void
51: Printing analysis 'Cost Model Analysis' for function 'sdiv_uniform':
label:206'0 X~ error: no match found
52: Cost Model: Found costs of 1 for: %V2i64_s = shufflevector <2 x i64> poison, <2 x i64> poison, <2 x i32> zeroinitializer
label:206'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
53: Cost Model: Found costs of RThru:28 CodeSize:4 Lat:4 SizeLat:4 for: %V2i64 = sdiv <2 x i64> undef, %V2i64_s
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: 89658 tests, 88 workers --
Testing: 0.. 10.. 20.
FAIL: LLVM :: Analysis/CostModel/AArch64/div.ll (23575 of 89658)
******************** TEST 'LLVM :: Analysis/CostModel/AArch64/div.ll' FAILED ********************
Exit Code: 1
Command Output (stderr):
--
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/opt < /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/test/Analysis/CostModel/AArch64/div.ll -mtriple=aarch64-unknown-linux-gnu -passes="print<cost-model>" -cost-kind=all 2>&1 -disable-output | /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/Analysis/CostModel/AArch64/div.ll # RUN: at line 2
+ /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/opt -mtriple=aarch64-unknown-linux-gnu '-passes=print<cost-model>' -cost-kind=all -disable-output
+ /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/Analysis/CostModel/AArch64/div.ll
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/test/Analysis/CostModel/AArch64/div.ll:206:16: error: CHECK-LABEL: expected string not found in input
; CHECK-LABEL: 'udiv_uniform'
^
<stdin>:51:68: note: scanning from here
Printing analysis 'Cost Model Analysis' for function 'sdiv_uniform':
^
<stdin>:58:49: note: possible intended match here
2. Running pass "print<cost-model>" on function "sdiv_uniform"
^
Input file: <stdin>
Check file: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/test/Analysis/CostModel/AArch64/div.ll
-dump-input=help explains the following input dump.
Input was:
<<<<<<
.
.
.
46: Cost Model: Found costs of RThru:88 CodeSize:4 Lat:4 SizeLat:4 for: %V8i8 = udiv <8 x i8> undef, undef
47: Cost Model: Found costs of RThru:168 CodeSize:4 Lat:4 SizeLat:4 for: %V16i8 = udiv <16 x i8> undef, undef
48: Cost Model: Found costs of RThru:328 CodeSize:4 Lat:4 SizeLat:4 for: %V32i8 = udiv <32 x i8> undef, undef
49: Cost Model: Found costs of RThru:648 CodeSize:4 Lat:4 SizeLat:4 for: %V64i8 = udiv <64 x i8> undef, undef
50: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret void
51: Printing analysis 'Cost Model Analysis' for function 'sdiv_uniform':
label:206'0 X~ error: no match found
52: Cost Model: Found costs of 1 for: %V2i64_s = shufflevector <2 x i64> poison, <2 x i64> poison, <2 x i32> zeroinitializer
label:206'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
53: Cost Model: Found costs of RThru:28 CodeSize:4 Lat:4 SizeLat:4 for: %V2i64 = sdiv <2 x i64> undef, %V2i64_s
Step 16 (stage2/msan_track_origins check) failure: stage2/msan_track_origins 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_track_origins/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_track_origins/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_track_origins/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_track_origins/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_track_origins/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_track_origins/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_track_origins/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: 89658 tests, 88 workers --
Testing: 0.. 10.. 20.
FAIL: LLVM :: Analysis/CostModel/AArch64/div.ll (23385 of 89658)
******************** TEST 'LLVM :: Analysis/CostModel/AArch64/div.ll' FAILED ********************
Exit Code: 1
Command Output (stderr):
--
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/opt < /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/test/Analysis/CostModel/AArch64/div.ll -mtriple=aarch64-unknown-linux-gnu -passes="print<cost-model>" -cost-kind=all 2>&1 -disable-output | /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/FileCheck /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/test/Analysis/CostModel/AArch64/div.ll # RUN: at line 2
+ /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/opt -mtriple=aarch64-unknown-linux-gnu '-passes=print<cost-model>' -cost-kind=all -disable-output
+ /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/FileCheck /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/test/Analysis/CostModel/AArch64/div.ll
/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/test/Analysis/CostModel/AArch64/div.ll:206:16: error: CHECK-LABEL: expected string not found in input
; CHECK-LABEL: 'udiv_uniform'
^
<stdin>:51:68: note: scanning from here
Printing analysis 'Cost Model Analysis' for function 'sdiv_uniform':
^
<stdin>:58:49: note: possible intended match here
2. Running pass "print<cost-model>" on function "sdiv_uniform"
^
Input file: <stdin>
Check file: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/test/Analysis/CostModel/AArch64/div.ll
-dump-input=help explains the following input dump.
Input was:
<<<<<<
.
.
.
46: Cost Model: Found costs of RThru:88 CodeSize:4 Lat:4 SizeLat:4 for: %V8i8 = udiv <8 x i8> undef, undef
47: Cost Model: Found costs of RThru:168 CodeSize:4 Lat:4 SizeLat:4 for: %V16i8 = udiv <16 x i8> undef, undef
48: Cost Model: Found costs of RThru:328 CodeSize:4 Lat:4 SizeLat:4 for: %V32i8 = udiv <32 x i8> undef, undef
49: Cost Model: Found costs of RThru:648 CodeSize:4 Lat:4 SizeLat:4 for: %V64i8 = udiv <64 x i8> undef, undef
50: Cost Model: Found costs of RThru:0 CodeSize:1 Lat:1 SizeLat:1 for: ret void
51: Printing analysis 'Cost Model Analysis' for function 'sdiv_uniform':
label:206'0 X~ error: no match found
52: Cost Model: Found costs of 1 for: %V2i64_s = shufflevector <2 x i64> poison, <2 x i64> poison, <2 x i32> zeroinitializer
label:206'0 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
53: Cost Model: Found costs of RThru:28 CodeSize:4 Lat:4 SizeLat:4 for: %V2i64 = sdiv <2 x i64> undef, %V2i64_s
```
</details>
https://github.com/llvm/llvm-project/pull/139331
More information about the llvm-commits
mailing list