[llvm] [VPlan] Update final IV exit value via VPlan. (PR #112147)

Sat Jan 18 05:35:18 PST 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `fuchsia-x86_64-linux` running on `fuchsia-debian-64-us-central1-a-1` while building `llvm` at step 4 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/11/builds/11248

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

```
Step 4 (annotate) failure: 'python ../llvm-zorg/zorg/buildbot/builders/annotated/fuchsia-linux.py ...' (failure)
...
-- Looking for __atomic_fetch_add_8 in atomic
-- Looking for __atomic_fetch_add_8 in atomic - found
-- Performing Test CXX_SUPPORTS_FALIGNED_ALLOCATION_FLAG
-- Performing Test CXX_SUPPORTS_FALIGNED_ALLOCATION_FLAG - Success
-- Performing Test CXX_SUPPORTS_FVISIBILITY_INLINES_HIDDEN_FLAG
-- Performing Test CXX_SUPPORTS_FVISIBILITY_INLINES_HIDDEN_FLAG - Success
-- Configuring done (3.7s)
-- Generating done (0.2s)
-- Build files have been written to: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-xx_1uqoz/runtimes/runtimes-aarch64-unknown-fuchsia-bins/compiler-rt/lib/fuzzer/libcxx_fuzzer_aarch64/build
[2786/2843] Building CXX object libcxxabi/src/CMakeFiles/cxxabi_shared_objects.dir/cxa_demangle.cpp.obj
FAILED: libcxxabi/src/CMakeFiles/cxxabi_shared_objects.dir/cxa_demangle.cpp.obj 
/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-xx_1uqoz/bin/clang++ --target=aarch64-unknown-fuchsia --sysroot=/usr/local/fuchsia/sdk/arch/arm64/sysroot -DHAVE___CXA_THREAD_ATEXIT_IMPL -DLIBCXX_BUILDING_LIBCXXABI -D_LIBCPP_BUILDING_LIBRARY -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -D_LIBCXXABI_BUILDING_LIBRARY -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libunwind/include -I/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libcxxabi/../libcxx/src -I/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-xx_1uqoz/include/aarch64-unknown-fuchsia/c++/v1 -I/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-xx_1uqoz/include/c++/v1 -I/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libcxxabi/include --target=aarch64-unknown-fuchsia -I/usr/local/fuchsia/sdk/pkg/sync/include -I/usr/local/fuchsia/sdk/pkg/fdio/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -ffunction-sections -fdata-sections -ffile-prefix-map=/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-xx_1uqoz/runtimes/runtimes-aarch64-unknown-fuchsia-bins=../../../../llvm-project -ffile-prefix-map=/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/= -no-canonical-prefixes  -O2 -g -DNDEBUG -std=c++23 -fPIC -nostdinc++ -fstrict-aliasing -funwind-tables -D_DEBUG -Wall -Wextra -Wnewline-eof -Wshadow -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Werror=return-type -Wextra-semi -Wundef -Wunused-template -Wformat-nonliteral -Wzero-length-array -Wdeprecated-redundant-constexpr-static-def -Wno-user-defined-literals -Wno-covered-switch-default -Wno-suggest-override -Wno-error -fsized-deallocation -MD -MT libcxxabi/src/CMakeFiles/cxxabi_shared_objects.dir/cxa_demangle.cpp.obj -MF libcxxabi/src/CMakeFiles/cxxabi_shared_objects.dir/cxa_demangle.cpp.obj.d -o libcxxabi/src/CMakeFiles/cxxabi_shared_objects.dir/cxa_demangle.cpp.obj -c /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libcxxabi/src/cxa_demangle.cpp
clang++: error: clang frontend command failed with exit code 139 (use -v to see invocation)
Fuchsia clang version 20.0.0git (https://github.com/llvm/llvm-project.git c2d15ac4d4432788557e77c15ce572ac655a8fec)
Target: aarch64-unknown-fuchsia
Thread model: posix
InstalledDir: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-xx_1uqoz/bin
clang++: note: diagnostic msg: 
********************

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang++: note: diagnostic msg: /tmp/cxa_demangle-36048d.cpp
clang++: note: diagnostic msg: /tmp/cxa_demangle-36048d.sh
clang++: note: diagnostic msg: 

********************
[2788/2843] Building CXX object libcxxabi/src/CMakeFiles/cxxabi_static_objects.dir/cxa_demangle.cpp.obj
FAILED: libcxxabi/src/CMakeFiles/cxxabi_static_objects.dir/cxa_demangle.cpp.obj 
/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-xx_1uqoz/bin/clang++ --target=aarch64-unknown-fuchsia --sysroot=/usr/local/fuchsia/sdk/arch/arm64/sysroot -DHAVE___CXA_THREAD_ATEXIT_IMPL -DLIBCXX_BUILDING_LIBCXXABI -D_LIBCPP_BUILDING_LIBRARY -D_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS="" -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -D_LIBCXXABI_BUILDING_LIBRARY -D_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libunwind/include -I/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libcxxabi/../libcxx/src -I/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-xx_1uqoz/include/aarch64-unknown-fuchsia/c++/v1 -I/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-xx_1uqoz/include/c++/v1 -I/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libcxxabi/include --target=aarch64-unknown-fuchsia -I/usr/local/fuchsia/sdk/pkg/sync/include -I/usr/local/fuchsia/sdk/pkg/fdio/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -ffunction-sections -fdata-sections -ffile-prefix-map=/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-xx_1uqoz/runtimes/runtimes-aarch64-unknown-fuchsia-bins=../../../../llvm-project -ffile-prefix-map=/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/= -no-canonical-prefixes  -O2 -g -DNDEBUG -std=c++23 -nostdinc++ -fstrict-aliasing -funwind-tables -D_DEBUG -Wall -Wextra -Wnewline-eof -Wshadow -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Werror=return-type -Wextra-semi -Wundef -Wunused-template -Wformat-nonliteral -Wzero-length-array -Wdeprecated-redundant-constexpr-static-def -Wno-user-defined-literals -Wno-covered-switch-default -Wno-suggest-override -Wno-error -fsized-deallocation -fvisibility=hidden -fvisibility-global-new-delete=force-hidden -MD -MT libcxxabi/src/CMakeFiles/cxxabi_static_objects.dir/cxa_demangle.cpp.obj -MF libcxxabi/src/CMakeFiles/cxxabi_static_objects.dir/cxa_demangle.cpp.obj.d -o libcxxabi/src/CMakeFiles/cxxabi_static_objects.dir/cxa_demangle.cpp.obj -c /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libcxxabi/src/cxa_demangle.cpp
clang++: error: clang frontend command failed with exit code 139 (use -v to see invocation)
Fuchsia clang version 20.0.0git (https://github.com/llvm/llvm-project.git c2d15ac4d4432788557e77c15ce572ac655a8fec)
Target: aarch64-unknown-fuchsia
Thread model: posix
InstalledDir: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-xx_1uqoz/bin
clang++: note: diagnostic msg: 
********************

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang++: note: diagnostic msg: /tmp/cxa_demangle-7bd675.cpp
clang++: note: diagnostic msg: /tmp/cxa_demangle-7bd675.sh
clang++: note: diagnostic msg: 

********************
[2796/2843] Building CXX object libcxx/src/CMakeFiles/cxx_static.dir/algorithm.cpp.obj
[2798/2843] Building CXX object libcxx/src/CMakeFiles/cxx_shared.dir/locale.cpp.obj
[2799/2843] Building CXX object libcxx/src/CMakeFiles/cxx_static.dir/locale.cpp.obj
ninja: build stopped: subcommand failed.
Step 6 (build) failure: build (failure)
...
-- Looking for __atomic_fetch_add_8 in atomic
-- Looking for __atomic_fetch_add_8 in atomic - found
-- Performing Test CXX_SUPPORTS_FALIGNED_ALLOCATION_FLAG
-- Performing Test CXX_SUPPORTS_FALIGNED_ALLOCATION_FLAG - Success
-- Performing Test CXX_SUPPORTS_FVISIBILITY_INLINES_HIDDEN_FLAG
-- Performing Test CXX_SUPPORTS_FVISIBILITY_INLINES_HIDDEN_FLAG - Success
-- Configuring done (3.7s)
-- Generating done (0.2s)
-- Build files have been written to: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-xx_1uqoz/runtimes/runtimes-aarch64-unknown-fuchsia-bins/compiler-rt/lib/fuzzer/libcxx_fuzzer_aarch64/build
[2786/2843] Building CXX object libcxxabi/src/CMakeFiles/cxxabi_shared_objects.dir/cxa_demangle.cpp.obj
FAILED: libcxxabi/src/CMakeFiles/cxxabi_shared_objects.dir/cxa_demangle.cpp.obj 
/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-xx_1uqoz/bin/clang++ --target=aarch64-unknown-fuchsia --sysroot=/usr/local/fuchsia/sdk/arch/arm64/sysroot -DHAVE___CXA_THREAD_ATEXIT_IMPL -DLIBCXX_BUILDING_LIBCXXABI -D_LIBCPP_BUILDING_LIBRARY -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -D_LIBCXXABI_BUILDING_LIBRARY -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libunwind/include -I/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libcxxabi/../libcxx/src -I/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-xx_1uqoz/include/aarch64-unknown-fuchsia/c++/v1 -I/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-xx_1uqoz/include/c++/v1 -I/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libcxxabi/include --target=aarch64-unknown-fuchsia -I/usr/local/fuchsia/sdk/pkg/sync/include -I/usr/local/fuchsia/sdk/pkg/fdio/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -ffunction-sections -fdata-sections -ffile-prefix-map=/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-xx_1uqoz/runtimes/runtimes-aarch64-unknown-fuchsia-bins=../../../../llvm-project -ffile-prefix-map=/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/= -no-canonical-prefixes  -O2 -g -DNDEBUG -std=c++23 -fPIC -nostdinc++ -fstrict-aliasing -funwind-tables -D_DEBUG -Wall -Wextra -Wnewline-eof -Wshadow -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Werror=return-type -Wextra-semi -Wundef -Wunused-template -Wformat-nonliteral -Wzero-length-array -Wdeprecated-redundant-constexpr-static-def -Wno-user-defined-literals -Wno-covered-switch-default -Wno-suggest-override -Wno-error -fsized-deallocation -MD -MT libcxxabi/src/CMakeFiles/cxxabi_shared_objects.dir/cxa_demangle.cpp.obj -MF libcxxabi/src/CMakeFiles/cxxabi_shared_objects.dir/cxa_demangle.cpp.obj.d -o libcxxabi/src/CMakeFiles/cxxabi_shared_objects.dir/cxa_demangle.cpp.obj -c /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libcxxabi/src/cxa_demangle.cpp
clang++: error: clang frontend command failed with exit code 139 (use -v to see invocation)
Fuchsia clang version 20.0.0git (https://github.com/llvm/llvm-project.git c2d15ac4d4432788557e77c15ce572ac655a8fec)
Target: aarch64-unknown-fuchsia
Thread model: posix
InstalledDir: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-xx_1uqoz/bin
clang++: note: diagnostic msg: 
********************

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang++: note: diagnostic msg: /tmp/cxa_demangle-36048d.cpp
clang++: note: diagnostic msg: /tmp/cxa_demangle-36048d.sh
clang++: note: diagnostic msg: 

********************
[2788/2843] Building CXX object libcxxabi/src/CMakeFiles/cxxabi_static_objects.dir/cxa_demangle.cpp.obj
FAILED: libcxxabi/src/CMakeFiles/cxxabi_static_objects.dir/cxa_demangle.cpp.obj 
/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-xx_1uqoz/bin/clang++ --target=aarch64-unknown-fuchsia --sysroot=/usr/local/fuchsia/sdk/arch/arm64/sysroot -DHAVE___CXA_THREAD_ATEXIT_IMPL -DLIBCXX_BUILDING_LIBCXXABI -D_LIBCPP_BUILDING_LIBRARY -D_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS="" -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -D_LIBCXXABI_BUILDING_LIBRARY -D_LIBCXXABI_DISABLE_VISIBILITY_ANNOTATIONS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libunwind/include -I/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libcxxabi/../libcxx/src -I/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-xx_1uqoz/include/aarch64-unknown-fuchsia/c++/v1 -I/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-xx_1uqoz/include/c++/v1 -I/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libcxxabi/include --target=aarch64-unknown-fuchsia -I/usr/local/fuchsia/sdk/pkg/sync/include -I/usr/local/fuchsia/sdk/pkg/fdio/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -ffunction-sections -fdata-sections -ffile-prefix-map=/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-xx_1uqoz/runtimes/runtimes-aarch64-unknown-fuchsia-bins=../../../../llvm-project -ffile-prefix-map=/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/= -no-canonical-prefixes  -O2 -g -DNDEBUG -std=c++23 -nostdinc++ -fstrict-aliasing -funwind-tables -D_DEBUG -Wall -Wextra -Wnewline-eof -Wshadow -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Werror=return-type -Wextra-semi -Wundef -Wunused-template -Wformat-nonliteral -Wzero-length-array -Wdeprecated-redundant-constexpr-static-def -Wno-user-defined-literals -Wno-covered-switch-default -Wno-suggest-override -Wno-error -fsized-deallocation -fvisibility=hidden -fvisibility-global-new-delete=force-hidden -MD -MT libcxxabi/src/CMakeFiles/cxxabi_static_objects.dir/cxa_demangle.cpp.obj -MF libcxxabi/src/CMakeFiles/cxxabi_static_objects.dir/cxa_demangle.cpp.obj.d -o libcxxabi/src/CMakeFiles/cxxabi_static_objects.dir/cxa_demangle.cpp.obj -c /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libcxxabi/src/cxa_demangle.cpp
clang++: error: clang frontend command failed with exit code 139 (use -v to see invocation)
Fuchsia clang version 20.0.0git (https://github.com/llvm/llvm-project.git c2d15ac4d4432788557e77c15ce572ac655a8fec)
Target: aarch64-unknown-fuchsia
Thread model: posix
InstalledDir: /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-xx_1uqoz/bin
clang++: note: diagnostic msg: 
********************

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang++: note: diagnostic msg: /tmp/cxa_demangle-7bd675.cpp
clang++: note: diagnostic msg: /tmp/cxa_demangle-7bd675.sh
clang++: note: diagnostic msg: 

********************
[2796/2843] Building CXX object libcxx/src/CMakeFiles/cxx_static.dir/algorithm.cpp.obj
[2798/2843] Building CXX object libcxx/src/CMakeFiles/cxx_shared.dir/locale.cpp.obj
[2799/2843] Building CXX object libcxx/src/CMakeFiles/cxx_static.dir/locale.cpp.obj
ninja: build stopped: subcommand failed.

```

</details>

https://github.com/llvm/llvm-project/pull/112147