[clang] [llvm] [LFI] Add MCLFIRewriter infrastructure (PR #172906)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-ppc64le-linux` running on `ppc64le-sanitizer` while building `llvm` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/72/builds/17315

<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)
...
PASS: LeakSanitizer-Standalone-powerpc64le :: TestCases/leak_check_at_exit.cpp (1652 of 5316)
PASS: LeakSanitizer-Standalone-powerpc64le :: TestCases/large_allocation_leak.cpp (1653 of 5316)
PASS: MemorySanitizer-POWERPC64LE :: cxa_atexit.cpp (1654 of 5316)
PASS: LeakSanitizer-Standalone-powerpc64le :: TestCases/default_options.cpp (1655 of 5316)
PASS: LeakSanitizer-Standalone-powerpc64le :: TestCases/suppressions_file.cpp (1656 of 5316)
PASS: AddressSanitizer-powerpc64le-linux-dynamic :: TestCases/small_memcpy_test.cpp (1657 of 5316)
UNSUPPORTED: MemorySanitizer-POWERPC64LE :: fork.cpp (1658 of 5316)
PASS: LeakSanitizer-AddressSanitizer-powerpc64le :: TestCases/use_globals_initialized.cpp (1659 of 5316)
PASS: MemorySanitizer-POWERPC64LE :: Linux/reexec_unlimited_stack.cpp (1660 of 5316)
PASS: LeakSanitizer-Standalone-powerpc64le :: TestCases/ignore_object.c (1661 of 5316)
FAIL: LeakSanitizer-Standalone-powerpc64le :: TestCases/create_thread_leak.cpp (1662 of 5316)
******************** TEST 'LeakSanitizer-Standalone-powerpc64le :: TestCases/create_thread_leak.cpp' FAILED ********************
Exit Code: 2

Command Output (stdout):
--
# RUN: at line 3
/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/./bin/clang  --driver-mode=g++ -O0  -m64 -fno-function-sections  -gline-tables-only -fsanitize=leak -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/test/lsan/../ -pthread /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/test/lsan/TestCases/create_thread_leak.cpp -o /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/runtimes-bins/compiler-rt/test/lsan/POWERPC64LELsanConfig/TestCases/Output/create_thread_leak.cpp.tmp
# executed command: /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/./bin/clang --driver-mode=g++ -O0 -m64 -fno-function-sections -gline-tables-only -fsanitize=leak -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/test/lsan/../ -pthread /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/test/lsan/TestCases/create_thread_leak.cpp -o /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/runtimes-bins/compiler-rt/test/lsan/POWERPC64LELsanConfig/TestCases/Output/create_thread_leak.cpp.tmp
# RUN: at line 4
not  /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/runtimes-bins/compiler-rt/test/lsan/POWERPC64LELsanConfig/TestCases/Output/create_thread_leak.cpp.tmp 10 1 0 0 2>&1 | FileCheck /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/test/lsan/TestCases/create_thread_leak.cpp --check-prefixes=LEAK,LEAK123
# executed command: not /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/runtimes-bins/compiler-rt/test/lsan/POWERPC64LELsanConfig/TestCases/Output/create_thread_leak.cpp.tmp 10 1 0 0
# executed command: FileCheck /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/test/lsan/TestCases/create_thread_leak.cpp --check-prefixes=LEAK,LEAK123
# RUN: at line 5
not  /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/runtimes-bins/compiler-rt/test/lsan/POWERPC64LELsanConfig/TestCases/Output/create_thread_leak.cpp.tmp 10 0 1 0 2>&1 | FileCheck /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/test/lsan/TestCases/create_thread_leak.cpp --check-prefixes=LEAK,LEAK234
# executed command: not /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/runtimes-bins/compiler-rt/test/lsan/POWERPC64LELsanConfig/TestCases/Output/create_thread_leak.cpp.tmp 10 0 1 0
# executed command: FileCheck /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/test/lsan/TestCases/create_thread_leak.cpp --check-prefixes=LEAK,LEAK234
# RUN: at line 6
not  /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/runtimes-bins/compiler-rt/test/lsan/POWERPC64LELsanConfig/TestCases/Output/create_thread_leak.cpp.tmp 10 0 0 1 2>&1 | FileCheck /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/test/lsan/TestCases/create_thread_leak.cpp --check-prefixes=LEAK,LEAK234
# executed command: not /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/runtimes-bins/compiler-rt/test/lsan/POWERPC64LELsanConfig/TestCases/Output/create_thread_leak.cpp.tmp 10 0 0 1
# note: command had no output on stdout or stderr
# error: command failed with exit status: 1
# executed command: FileCheck /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/test/lsan/TestCases/create_thread_leak.cpp --check-prefixes=LEAK,LEAK234
# .---command stderr------------
# | FileCheck error: '<stdin>' is empty.
# | FileCheck command line:  FileCheck /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/test/lsan/TestCases/create_thread_leak.cpp --check-prefixes=LEAK,LEAK234
# `-----------------------------
# error: command failed with exit status: 2

--

********************
PASS: MemorySanitizer-POWERPC64LE :: Linux/strerror_r.cpp (1663 of 5316)
PASS: LeakSanitizer-Standalone-powerpc64le :: TestCases/many_threads_detach.cpp (1664 of 5316)
PASS: MemorySanitizer-POWERPC64LE :: backtrace.cpp (1665 of 5316)
PASS: AddressSanitizer-powerpc64le-linux-dynamic :: TestCases/log-path_test.cpp (1666 of 5316)
PASS: LeakSanitizer-Standalone-powerpc64le :: TestCases/Linux/log-path_test.cpp (1667 of 5316)
PASS: MemorySanitizer-POWERPC64LE :: Linux/glob_nomatch.cpp (1668 of 5316)
PASS: MemorySanitizer-POWERPC64LE :: Linux/sigandorset.cpp (1669 of 5316)
Step 12 (test compiler-rt default) failure: test compiler-rt default (failure)
...
PASS: LeakSanitizer-Standalone-powerpc64le :: TestCases/leak_check_at_exit.cpp (1652 of 5316)
PASS: LeakSanitizer-Standalone-powerpc64le :: TestCases/large_allocation_leak.cpp (1653 of 5316)
PASS: MemorySanitizer-POWERPC64LE :: cxa_atexit.cpp (1654 of 5316)
PASS: LeakSanitizer-Standalone-powerpc64le :: TestCases/default_options.cpp (1655 of 5316)
PASS: LeakSanitizer-Standalone-powerpc64le :: TestCases/suppressions_file.cpp (1656 of 5316)
PASS: AddressSanitizer-powerpc64le-linux-dynamic :: TestCases/small_memcpy_test.cpp (1657 of 5316)
UNSUPPORTED: MemorySanitizer-POWERPC64LE :: fork.cpp (1658 of 5316)
PASS: LeakSanitizer-AddressSanitizer-powerpc64le :: TestCases/use_globals_initialized.cpp (1659 of 5316)
PASS: MemorySanitizer-POWERPC64LE :: Linux/reexec_unlimited_stack.cpp (1660 of 5316)
PASS: LeakSanitizer-Standalone-powerpc64le :: TestCases/ignore_object.c (1661 of 5316)
FAIL: LeakSanitizer-Standalone-powerpc64le :: TestCases/create_thread_leak.cpp (1662 of 5316)
******************** TEST 'LeakSanitizer-Standalone-powerpc64le :: TestCases/create_thread_leak.cpp' FAILED ********************
Exit Code: 2

Command Output (stdout):
--
# RUN: at line 3
/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/./bin/clang  --driver-mode=g++ -O0  -m64 -fno-function-sections  -gline-tables-only -fsanitize=leak -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/test/lsan/../ -pthread /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/test/lsan/TestCases/create_thread_leak.cpp -o /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/runtimes-bins/compiler-rt/test/lsan/POWERPC64LELsanConfig/TestCases/Output/create_thread_leak.cpp.tmp
# executed command: /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/./bin/clang --driver-mode=g++ -O0 -m64 -fno-function-sections -gline-tables-only -fsanitize=leak -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/test/lsan/../ -pthread /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/test/lsan/TestCases/create_thread_leak.cpp -o /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/runtimes-bins/compiler-rt/test/lsan/POWERPC64LELsanConfig/TestCases/Output/create_thread_leak.cpp.tmp
# RUN: at line 4
not  /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/runtimes-bins/compiler-rt/test/lsan/POWERPC64LELsanConfig/TestCases/Output/create_thread_leak.cpp.tmp 10 1 0 0 2>&1 | FileCheck /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/test/lsan/TestCases/create_thread_leak.cpp --check-prefixes=LEAK,LEAK123
# executed command: not /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/runtimes-bins/compiler-rt/test/lsan/POWERPC64LELsanConfig/TestCases/Output/create_thread_leak.cpp.tmp 10 1 0 0
# executed command: FileCheck /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/test/lsan/TestCases/create_thread_leak.cpp --check-prefixes=LEAK,LEAK123
# RUN: at line 5
not  /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/runtimes-bins/compiler-rt/test/lsan/POWERPC64LELsanConfig/TestCases/Output/create_thread_leak.cpp.tmp 10 0 1 0 2>&1 | FileCheck /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/test/lsan/TestCases/create_thread_leak.cpp --check-prefixes=LEAK,LEAK234
# executed command: not /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/runtimes-bins/compiler-rt/test/lsan/POWERPC64LELsanConfig/TestCases/Output/create_thread_leak.cpp.tmp 10 0 1 0
# executed command: FileCheck /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/test/lsan/TestCases/create_thread_leak.cpp --check-prefixes=LEAK,LEAK234
# RUN: at line 6
not  /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/runtimes-bins/compiler-rt/test/lsan/POWERPC64LELsanConfig/TestCases/Output/create_thread_leak.cpp.tmp 10 0 0 1 2>&1 | FileCheck /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/test/lsan/TestCases/create_thread_leak.cpp --check-prefixes=LEAK,LEAK234
# executed command: not /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/runtimes/runtimes-bins/compiler-rt/test/lsan/POWERPC64LELsanConfig/TestCases/Output/create_thread_leak.cpp.tmp 10 0 0 1
# note: command had no output on stdout or stderr
# error: command failed with exit status: 1
# executed command: FileCheck /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/test/lsan/TestCases/create_thread_leak.cpp --check-prefixes=LEAK,LEAK234
# .---command stderr------------
# | FileCheck error: '<stdin>' is empty.
# | FileCheck command line:  FileCheck /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/compiler-rt/test/lsan/TestCases/create_thread_leak.cpp --check-prefixes=LEAK,LEAK234
# `-----------------------------
# error: command failed with exit status: 2

--

********************
PASS: MemorySanitizer-POWERPC64LE :: Linux/strerror_r.cpp (1663 of 5316)
PASS: LeakSanitizer-Standalone-powerpc64le :: TestCases/many_threads_detach.cpp (1664 of 5316)
PASS: MemorySanitizer-POWERPC64LE :: backtrace.cpp (1665 of 5316)
PASS: AddressSanitizer-powerpc64le-linux-dynamic :: TestCases/log-path_test.cpp (1666 of 5316)
PASS: LeakSanitizer-Standalone-powerpc64le :: TestCases/Linux/log-path_test.cpp (1667 of 5316)
PASS: MemorySanitizer-POWERPC64LE :: Linux/glob_nomatch.cpp (1668 of 5316)
PASS: MemorySanitizer-POWERPC64LE :: Linux/sigandorset.cpp (1669 of 5316)

```

</details>

https://github.com/llvm/llvm-project/pull/172906