[llvm] [NVPTX, InstCombine] instcombine known pointer AS checks. (PR #114325)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `lldb-arm-ubuntu` running on `linaro-lldb-arm-ubuntu` while building `llvm` at step 6 "test".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/18/builds/6224

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

```
Step 6 (test) failure: build (failure)
...
PASS: lldb-unit :: Process/minidump/./LLDBMinidumpTests/30/33 (2264 of 2823)
PASS: lldb-unit :: Process/minidump/./LLDBMinidumpTests/31/33 (2265 of 2823)
PASS: lldb-unit :: Process/minidump/./LLDBMinidumpTests/32/33 (2266 of 2823)
PASS: lldb-unit :: Process/minidump/./LLDBMinidumpTests/4/33 (2267 of 2823)
PASS: lldb-unit :: Process/minidump/./LLDBMinidumpTests/5/33 (2268 of 2823)
PASS: lldb-unit :: Process/minidump/./LLDBMinidumpTests/6/33 (2269 of 2823)
PASS: lldb-unit :: Process/minidump/./LLDBMinidumpTests/7/33 (2270 of 2823)
PASS: lldb-unit :: Process/minidump/./LLDBMinidumpTests/8/33 (2271 of 2823)
PASS: lldb-unit :: Process/minidump/./LLDBMinidumpTests/9/33 (2272 of 2823)
UNRESOLVED: lldb-api :: tools/lldb-server/TestLldbGdbServer.py (2273 of 2823)
******************** TEST 'lldb-api :: tools/lldb-server/TestLldbGdbServer.py' FAILED ********************
Script:
--
/usr/bin/python3.10 /home/tcwg-buildbot/worker/lldb-arm-ubuntu/llvm-project/lldb/test/API/dotest.py -u CXXFLAGS -u CFLAGS --env LLVM_LIBS_DIR=/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./lib --env LLVM_INCLUDE_DIR=/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/include --env LLVM_TOOLS_DIR=/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./bin --arch armv8l --build-dir /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/lldb-test-build.noindex --lldb-module-cache-dir /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/lldb-test-build.noindex/module-cache-lldb/lldb-api --clang-module-cache-dir /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/lldb-test-build.noindex/module-cache-clang/lldb-api --executable /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./bin/lldb --compiler /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./bin/clang --dsymutil /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./bin/dsymutil --make /usr/bin/make --llvm-tools-dir /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./bin --lldb-obj-root /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/tools/lldb --lldb-libs-dir /home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/./lib /home/tcwg-buildbot/worker/lldb-arm-ubuntu/llvm-project/lldb/test/API/tools/lldb-server -p TestLldbGdbServer.py
--
Exit Code: 1

Command Output (stdout):
--
lldb version 20.0.0git (https://github.com/llvm/llvm-project.git revision 8129b6b53bf5a8f0cc2124764935761e74bbb5c8)
  clang revision 8129b6b53bf5a8f0cc2124764935761e74bbb5c8
  llvm revision 8129b6b53bf5a8f0cc2124764935761e74bbb5c8
Skipping the following test categories: ['libc++', 'dsym', 'gmodules', 'debugserver', 'objc']

--
Command Output (stderr):
--
UNSUPPORTED: LLDB (/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/bin/clang-arm) :: test_Hc_then_Csignal_signals_correct_thread_launch_debugserver (TestLldbGdbServer.LldbGdbServerTestCase) (test case does not fall in any category of interest for this run) 
PASS: LLDB (/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/bin/clang-arm) :: test_Hc_then_Csignal_signals_correct_thread_launch_llgs (TestLldbGdbServer.LldbGdbServerTestCase)
PASS: LLDB (/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/bin/clang-arm) :: test_Hg_fails_on_another_pid_llgs (TestLldbGdbServer.LldbGdbServerTestCase)
PASS: LLDB (/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/bin/clang-arm) :: test_Hg_fails_on_minus_one_pid_llgs (TestLldbGdbServer.LldbGdbServerTestCase)
PASS: LLDB (/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/bin/clang-arm) :: test_Hg_fails_on_zero_pid_llgs (TestLldbGdbServer.LldbGdbServerTestCase)
UNSUPPORTED: LLDB (/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/bin/clang-arm) :: test_Hg_switches_to_3_threads_launch_debugserver (TestLldbGdbServer.LldbGdbServerTestCase) (test case does not fall in any category of interest for this run) 
PASS: LLDB (/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/bin/clang-arm) :: test_Hg_switches_to_3_threads_launch_llgs (TestLldbGdbServer.LldbGdbServerTestCase)
UNSUPPORTED: LLDB (/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/bin/clang-arm) :: test_P_and_p_thread_suffix_work_debugserver (TestLldbGdbServer.LldbGdbServerTestCase) (test case does not fall in any category of interest for this run) 
PASS: LLDB (/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/bin/clang-arm) :: test_P_and_p_thread_suffix_work_llgs (TestLldbGdbServer.LldbGdbServerTestCase)
UNSUPPORTED: LLDB (/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/bin/clang-arm) :: test_P_writes_all_gpr_registers_debugserver (TestLldbGdbServer.LldbGdbServerTestCase) (test case does not fall in any category of interest for this run) 
PASS: LLDB (/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/bin/clang-arm) :: test_P_writes_all_gpr_registers_llgs (TestLldbGdbServer.LldbGdbServerTestCase)
UNSUPPORTED: LLDB (/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/bin/clang-arm) :: test_attach_commandline_continue_app_exits_debugserver (TestLldbGdbServer.LldbGdbServerTestCase) (test case does not fall in any category of interest for this run) 
lldb-server exiting...
PASS: LLDB (/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/bin/clang-arm) :: test_attach_commandline_continue_app_exits_llgs (TestLldbGdbServer.LldbGdbServerTestCase)
UNSUPPORTED: LLDB (/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/bin/clang-arm) :: test_c_packet_works_debugserver (TestLldbGdbServer.LldbGdbServerTestCase) (test case does not fall in any category of interest for this run) 
lldb-server exiting...
PASS: LLDB (/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/bin/clang-arm) :: test_c_packet_works_llgs (TestLldbGdbServer.LldbGdbServerTestCase)
UNSUPPORTED: LLDB (/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/bin/clang-arm) :: test_first_launch_stop_reply_thread_matches_first_qC_debugserver (TestLldbGdbServer.LldbGdbServerTestCase) (test case does not fall in any category of interest for this run) 
PASS: LLDB (/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/bin/clang-arm) :: test_first_launch_stop_reply_thread_matches_first_qC_llgs (TestLldbGdbServer.LldbGdbServerTestCase)
UNSUPPORTED: LLDB (/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/bin/clang-arm) :: test_hardware_breakpoint_set_and_remove_work_debugserver (TestLldbGdbServer.LldbGdbServerTestCase) (test case does not fall in any category of interest for this run) 
lldb-server exiting...
PASS: LLDB (/home/tcwg-buildbot/worker/lldb-arm-ubuntu/build/bin/clang-arm) :: test_hardware_breakpoint_set_and_remove_work_llgs (TestLldbGdbServer.LldbGdbServerTestCase)

```

</details>

https://github.com/llvm/llvm-project/pull/114325