[llvm] [LoopInterchange] Add simplifyLCSSAPhis: remove phi from non-exit bb (PR #160889)

LLVM Continuous Integration via llvm-commits llvm-commits at lists.llvm.org
Mon Oct 20 02:47:51 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/29348

<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 'Clang :: Driver/debug-options.c' FAILED ********************
Exit Code: 127

Command Output (stdout):
--
# RUN: at line 4
/Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/clang -### -c -g /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c -target x86_64-linux-gnu 2>&1              | /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/FileCheck -check-prefix=G_LIMITED -check-prefix=G_GDB /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c
# executed command: /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/clang '-###' -c -g /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c -target x86_64-linux-gnu
# note: command had no output on stdout or stderr
# executed command: /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/FileCheck -check-prefix=G_LIMITED -check-prefix=G_GDB /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c
# note: command had no output on stdout or stderr
# RUN: at line 6
/Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/clang -### -c -g2 /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c -target x86_64-linux-gnu 2>&1              | /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/FileCheck -check-prefix=G_LIMITED -check-prefix=G_GDB /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c
# executed command: /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/clang '-###' -c -g2 /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c -target x86_64-linux-gnu
# note: command had no output on stdout or stderr
# executed command: /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/FileCheck -check-prefix=G_LIMITED -check-prefix=G_GDB /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c
# note: command had no output on stdout or stderr
# RUN: at line 8
/Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/clang -### -c -g3 /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c -target x86_64-linux-gnu 2>&1              | /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/FileCheck -check-prefix=G_LIMITED -check-prefix=G_GDB /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c
# executed command: /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/clang '-###' -c -g3 /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c -target x86_64-linux-gnu
# note: command had no output on stdout or stderr
# executed command: /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/FileCheck -check-prefix=G_LIMITED -check-prefix=G_GDB /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c
# note: command had no output on stdout or stderr
# RUN: at line 10
/Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/clang -### -c -ggdb /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c -target x86_64-linux-gnu 2>&1              | /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/FileCheck -check-prefix=G_LIMITED -check-prefix=G_GDB /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c
# executed command: /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/clang '-###' -c -ggdb /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c -target x86_64-linux-gnu
# note: command had no output on stdout or stderr
# executed command: /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/FileCheck -check-prefix=G_LIMITED -check-prefix=G_GDB /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c
# note: command had no output on stdout or stderr
# RUN: at line 12
/Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/clang -### -c -ggdb1 /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c -target x86_64-linux-gnu 2>&1              | /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/FileCheck -check-prefix=GLTO_ONLY -check-prefix=G_GDB /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c
# executed command: /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/clang '-###' -c -ggdb1 /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c -target x86_64-linux-gnu
# note: command had no output on stdout or stderr
# executed command: /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/FileCheck -check-prefix=GLTO_ONLY -check-prefix=G_GDB /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c
# note: command had no output on stdout or stderr
# RUN: at line 14
/Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/clang -### -c -ggdb3 /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c -target x86_64-linux-gnu 2>&1              | /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/FileCheck -check-prefix=G_LIMITED -check-prefix=G_GDB /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c
# executed command: /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/clang '-###' -c -ggdb3 /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c -target x86_64-linux-gnu
# note: command had no output on stdout or stderr
# executed command: /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/FileCheck -check-prefix=G_LIMITED -check-prefix=G_GDB /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c
# note: command had no output on stdout or stderr
# RUN: at line 16
/Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/clang -### -c -glldb /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c -target x86_64-linux-gnu 2>&1              | /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/FileCheck -check-prefix=G_STANDALONE -check-prefix=G_LLDB /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c
# executed command: /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/clang '-###' -c -glldb /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c -target x86_64-linux-gnu
# note: command had no output on stdout or stderr
# executed command: /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/FileCheck -check-prefix=G_STANDALONE -check-prefix=G_LLDB /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c
# note: command had no output on stdout or stderr
# RUN: at line 18
/Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/clang -### -c -gsce /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c -target x86_64-linux-gnu 2>&1              | /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/FileCheck -check-prefix=G_LIMITED -check-prefix=G_SCE /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c
# executed command: /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/bin/clang '-###' -c -gsce /Users/buildbot/buildbot-root/llvm-project/clang/test/Driver/debug-options.c -target x86_64-linux-gnu
...

```

</details>

https://github.com/llvm/llvm-project/pull/160889

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