[clang] [llvm] [RISCV] Add Qualcomm uC Xqcicli (Conditional Load Immediate) extension (PR #121292)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `flang-aarch64-out-of-tree` running on `linaro-flang-aarch64-out-of-tree` while building `clang,llvm` at step 7 "build-flang-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/53/builds/10181

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

```
Step 7 (build-flang-unified-tree) failure: build (failure)
...
33.806 [27/13/13] Linking CXX executable bin/f18-parse-demo
37.763 [27/12/14] Building CXX object lib/Optimizer/Dialect/CUF/CMakeFiles/CUFDialect.dir/CUFOps.cpp.o
37.848 [26/12/15] Linking CXX static library lib/libCUFDialect.a
37.896 [24/13/16] Linking CXX executable unittests/Evaluate/expression.test
37.947 [24/12/17] Linking CXX static library lib/libFIRBuilder.a
38.844 [24/11/18] Linking CXX executable unittests/Evaluate/folding.test
42.752 [24/10/19] Linking CXX executable bin/fir-lsp-server
60.521 [24/9/20] Building CXX object lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/CUFAddConstructor.cpp.o
72.249 [24/8/21] Building CXX object lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/CUFDeviceGlobal.cpp.o
76.664 [24/7/22] Building CXX object lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/CUFOpConversion.cpp.o
FAILED: lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/CUFOpConversion.cpp.o 
/usr/local/bin/c++ -DFLANG_INCLUDE_TESTS=1 -DFLANG_LITTLE_ENDIAN=1 -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/build_flang/lib/Optimizer/Transforms -I/home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/llvm-project/flang/lib/Optimizer/Transforms -I/home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/llvm-project/flang/include -I/home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/build_flang/include -isystem /home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/llvm-project/mlir/include -isystem /home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/build_llvm/tools/mlir/include -isystem /home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/llvm-project/llvm/include -isystem /home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/build_llvm/include -isystem /home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/llvm-project/clang/include -isystem /home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/build_llvm/tools/clang/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 -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -Werror -Wno-deprecated-copy -Wno-string-conversion -Wno-ctad-maybe-unsupported -Wno-unused-command-line-argument -Wstring-conversion           -Wcovered-switch-default -Wno-nested-anon-types -O3 -DNDEBUG -std=c++17   -D_GNU_SOURCE -D_DEBUG -D_GLIBCXX_ASSERTIONS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/CUFOpConversion.cpp.o -MF lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/CUFOpConversion.cpp.o.d -o lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/CUFOpConversion.cpp.o -c /home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/llvm-project/flang/lib/Optimizer/Transforms/CUFOpConversion.cpp
../llvm-project/flang/lib/Optimizer/Transforms/CUFOpConversion.cpp:827:28: error: private field 'symTab' is not used [-Werror,-Wunused-private-field]
  827 |   const mlir::SymbolTable &symTab;
      |                            ^
1 error generated.
84.441 [24/6/23] Building CXX object lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/SimplifyIntrinsics.cpp.o
146.852 [24/5/24] Building CXX object lib/Optimizer/CodeGen/CMakeFiles/FIRCodeGen.dir/CodeGen.cpp.o
303.349 [24/4/25] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/ConvertCall.cpp.o
309.466 [24/3/26] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/Allocatable.cpp.o
371.091 [24/2/27] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/ConvertVariable.cpp.o
486.210 [24/1/28] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/Bridge.cpp.o
ninja: build stopped: subcommand failed.

```

</details>

https://github.com/llvm/llvm-project/pull/121292