[llvm] [RISCV][NFCI] Introduce Base for Pseudo Expansion Passes (PR #218170)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `lldb-aarch64-windows` running on `linaro-armv8-windows-msvc-05` while building `llvm` at step 6 "test".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/141/builds/22102

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

```
Step 6 (test) failure: build (failure)
...
SKIPPED: lldb-api :: functionalities/breakpoint/delayed_breakpoints/TestDelayedBreakpoint.py (370 of 2674)
PASS: lldb-api :: functionalities/breakpoint/consecutive_breakpoints/TestConsecutiveBreakpoints.py (371 of 2674)
XFAIL: lldb-api :: functionalities/breakpoint/cpp/TestCPPBreakpointLocations.py (372 of 2674)
PASS: lldb-api :: functionalities/breakpoint/dummy_target_breakpoints/TestBreakpointsWithNoTargets.py (373 of 2674)
PASS: lldb-api :: functionalities/breakpoint/global_constructor/TestBreakpointInGlobalConstructor.py (374 of 2674)
SKIPPED: lldb-api :: functionalities/breakpoint/hardware_breakpoints/simple_hw_breakpoints/TestSimpleHWBreakpoints.py (375 of 2674)
SKIPPED: lldb-api :: functionalities/breakpoint/hardware_breakpoints/write_memory_with_hw_breakpoint/TestWriteMemoryWithHWBreakpoint.py (376 of 2674)
PASS: lldb-api :: functionalities/breakpoint/inlined_breakpoints/TestInlinedBreakpoints.py (377 of 2674)
SKIPPED: lldb-api :: functionalities/breakpoint/jit_loader_rtdyld_elf/TestJitBreakPoint.py (378 of 2674)
SKIPPED: lldb-api :: functionalities/breakpoint/hardware_breakpoints/hardware_breakpoint_on_multiple_threads/TestHWBreakMultiThread.py (379 of 2674)
FAIL: lldb-api :: functionalities/breakpoint/hardware_breakpoints/require_hw_breakpoints/TestRequireHWBreakpoints.py (380 of 2674)
******************** TEST 'lldb-api :: functionalities/breakpoint/hardware_breakpoints/require_hw_breakpoints/TestRequireHWBreakpoints.py' FAILED ********************
Script:
--
C:/Users/tcwg/scoop/apps/python/current/python.exe C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/llvm-project/lldb\test\API\dotest.py -u CXXFLAGS -u CFLAGS --env LLVM_LIBS_DIR=C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/./lib --env LLVM_INCLUDE_DIR=C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/include --env LLVM_TOOLS_DIR=C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/./bin --triple aarch64-pc-windows-msvc --build-dir C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/lldb-test-build --lldb-module-cache-dir C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/lldb-test-build/module-cache-lldb\lldb-api --clang-module-cache-dir C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/lldb-test-build/module-cache-clang\lldb-api --executable C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/./bin/lldb.exe --lldb-python-dir C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\Lib\site-packages --compiler C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/./bin/clang.exe --dsymutil C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/./bin/dsymutil.exe --make C:/Users/tcwg/scoop/shims/make.exe --llvm-tools-dir C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/./bin --lldb-obj-root C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/tools/lldb --lldb-libs-dir C:/Users/tcwg/llvm-worker/lldb-aarch64-windows/build/./lib --cmake-build-type Release --skip-category=watchpoint --env LLDB_LAUNCH_FLAG_USE_PIPES=1 C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\llvm-project\lldb\test\API\functionalities\breakpoint\hardware_breakpoints\require_hw_breakpoints -p TestRequireHWBreakpoints.py --timeout 600
--
Exit Code: 1

Command Output (stdout):
--
Skipping the following test categories: watchpoint, libc++, libstdcxx, dwo, dsym, gmodules, debugserver, objc, fork, pexpect


--
Command Output (stderr):
--
PASS: LLDB (C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\clang.exe-aarch64) :: test_breakpoint (TestRequireHWBreakpoints.BreakpointLocationsTestCase.test_breakpoint)

warning: failed to set breakpoint site at 0x7ff649911030 for breakpoint 1.1: Hardware breakpoints are not supported.
warning: failed to set breakpoint site at 0x7ff649911030 for breakpoint 1.1: Hardware breakpoints are not supported.
warning: failed to set breakpoint site at 0x7ff649911034 for breakpoint -1.1: Hardware breakpoints are not supported.
warning: failed to set breakpoint site at 0x7ff649911034 for breakpoint -2.1: Hardware breakpoints are not supported.
PASS: LLDB (C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\clang.exe-aarch64) :: test_step_out (TestRequireHWBreakpoints.BreakpointLocationsTestCase.test_step_out)

warning: failed to set breakpoint site at 0x7ff6b7bf1030 for breakpoint 1.1: Hardware breakpoints are not supported.
warning: failed to set breakpoint site at 0x7ff6b7bf1030 for breakpoint 1.1: Hardware breakpoints are not supported.
warning: failed to set breakpoint site at 0x7ff6b7bf103c for breakpoint -1.1: Hardware breakpoints are not supported.
PASS: LLDB (C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\clang.exe-aarch64) :: test_step_over (TestRequireHWBreakpoints.BreakpointLocationsTestCase.test_step_over)

warning: failed to set breakpoint site at 0x7ff6b7bf1030 for breakpoint 1.1: Hardware breakpoints are not supported.
warning: failed to set breakpoint site at 0x7ff6b7bf1030 for breakpoint 1.1: Hardware breakpoints are not supported.
FAIL: LLDB (C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\bin\clang.exe-aarch64) :: test_step_range (TestRequireHWBreakpoints.BreakpointLocationsTestCase.test_step_range)

Log Files:

 - C:\Users\tcwg\llvm-worker\lldb-aarch64-windows\build\lldb-test-build\functionalities\breakpoint\hardware_breakpoints\require_hw_breakpoints\TestRequireHWBreakpoints\Failure_test_step_range.log

warning: failed to set breakpoint site at 0x7ff6b7bf1030 for breakpoint 1.1: Hardware breakpoints are not supported.
warning: failed to set breakpoint site at 0x7ff6b7bf1030 for breakpoint 1.1: Hardware breakpoints are not supported.

```

</details>

https://github.com/llvm/llvm-project/pull/218170