[llvm] [AA] Move Target Specific AA before BasicAA (PR #125965)

Wed May 7 15:56:54 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-clang-aarch64-darwin` running on `doug-worker-4` while building `llvm` at step 6 "test-build-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/190/builds/19629

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

```
Step 6 (test-build-unified-tree-check-all) failure: test (failure)
******************** TEST 'LLVM :: Analysis/NVPTXAA/NVPTXAA_before_BasicAA.ll' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
/Users/buildbot/buildbot-root/aarch64-darwin/build/bin/opt -aa-pipeline=default -passes='require<aa>' -debug-pass-manager -disable-output -S < /Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/llvm/test/Analysis/NVPTXAA/NVPTXAA_before_BasicAA.ll 2>&1 | /Users/buildbot/buildbot-root/aarch64-darwin/build/bin/FileCheck /Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/llvm/test/Analysis/NVPTXAA/NVPTXAA_before_BasicAA.ll # RUN: at line 2
+ /Users/buildbot/buildbot-root/aarch64-darwin/build/bin/opt -aa-pipeline=default '-passes=require<aa>' -debug-pass-manager -disable-output -S
+ /Users/buildbot/buildbot-root/aarch64-darwin/build/bin/FileCheck /Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/llvm/test/Analysis/NVPTXAA/NVPTXAA_before_BasicAA.ll
[1m/Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/llvm/test/Analysis/NVPTXAA/NVPTXAA_before_BasicAA.ll:8:10: [0m[0;1;31merror: [0m[1mCHECK: expected string not found in input
[0m; CHECK: Running analysis: NVPTXAA on foo
[0;1;32m         ^
[0m[1m<stdin>:1:1: [0m[0;1;30mnote: [0m[1mscanning from here
[0m/Users/buildbot/buildbot-root/aarch64-darwin/build/bin/opt: warning: failed to infer data layout: unable to get target for 'nvptx64-nvidia-cuda', see --version and --triple.
[0;1;32m^
[0m[1m<stdin>:7:1: [0m[0;1;30mnote: [0m[1mpossible intended match here
[0mRunning analysis: BasicAA on foo
[0;1;32m^
[0m
Input file: <stdin>
Check file: /Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/llvm/test/Analysis/NVPTXAA/NVPTXAA_before_BasicAA.ll

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

Input was:
<<<<<<
[1m[0m[0;1;30m           1: [0m[1m[0;1;46m/Users/buildbot/buildbot-root/aarch64-darwin/build/bin/opt: warning: failed to infer data layout: unable to get target for 'nvptx64-nvidia-cuda', see --version and --triple. [0m
[0;1;31mcheck:8'0     X~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: no match found
[0m[0;1;30m           2: [0m[1m[0;1;46m/Users/buildbot/buildbot-root/aarch64-darwin/build/bin/opt: WARNING: failed to create target machine for 'nvptx64-nvidia-cuda': unable to get target for 'nvptx64-nvidia-cuda', see --version and --triple. [0m
[0;1;31mcheck:8'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[0m[0;1;30m           3: [0m[1m[0;1;46mRunning analysis: InnerAnalysisManagerProxy<FunctionAnalysisManager, Module> on [module] [0m
[0;1;31mcheck:8'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[0m[0;1;30m           4: [0m[1m[0;1;46mRunning pass: RequireAnalysisPass<llvm::AAManager, llvm::Function, llvm::AnalysisManager<Function>> on foo (1 instruction) [0m
[0;1;31mcheck:8'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[0m[0;1;30m           5: [0m[1m[0;1;46mRunning analysis: AAManager on foo [0m
[0;1;31mcheck:8'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[0m[0;1;30m           6: [0m[1m[0;1;46mRunning analysis: TargetLibraryAnalysis on foo [0m
[0;1;31mcheck:8'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[0m[0;1;30m           7: [0m[1m[0;1;46mRunning analysis: BasicAA on foo [0m
[0;1;31mcheck:8'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[0m[0;1;35mcheck:8'1     ?                                 possible intended match
[0m[0;1;30m           8: [0m[1m[0;1;46mRunning analysis: AssumptionAnalysis on foo [0m
[0;1;31mcheck:8'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[0m[0;1;30m           9: [0m[1m[0;1;46mRunning analysis: TargetIRAnalysis on foo [0m
[0;1;31mcheck:8'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[0m[0;1;30m          10: [0m[1m[0;1;46mRunning analysis: DominatorTreeAnalysis on foo [0m
[0;1;31mcheck:8'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[0m[0;1;30m          11: [0m[1m[0;1;46mRunning analysis: ScopedNoAliasAA on foo [0m
[0;1;31mcheck:8'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[0m[0;1;30m          12: [0m[1m[0;1;46mRunning analysis: TypeBasedAA on foo [0m
[0;1;31mcheck:8'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
...

```

</details>

https://github.com/llvm/llvm-project/pull/125965