[llvm] [DAG][ARM] computeKnownBitsForTargetNode - add handling for ARMISD VORRIMM\VBICIMM nodes (PR #149494)

[Simon Pilgrim via llvm-commits]

RKSimon wrote:

The clang-ppc64le-linux-multistage failure does look related though - missing Analysis lib dependency:
```
: && /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-multistage-test/clang-ppc64le-multistage/stage1.install/bin/clang++ -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 -O3 -DNDEBUG -Wl,--gc-sections unittests/Target/ARM/CMakeFiles/ARMTests.dir/MachineInstrTest.cpp.o unittests/Target/ARM/CMakeFiles/ARMTests.dir/InstSizes.cpp.o unittests/Target/ARM/CMakeFiles/ARMTests.dir/ARMSelectionDAGTest.cpp.o -o unittests/Target/ARM/ARMTests  -Wl,-rpath,/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-multistage-test/clang-ppc64le-multistage/stage2/lib  lib/libLLVMARMCodeGen.so.22.0git  lib/libLLVMARMDesc.so.22.0git  lib/libLLVMARMInfo.so.22.0git  lib/libLLVMGlobalISel.so.22.0git  lib/libLLVMMIRParser.so.22.0git  lib/libLLVMSelectionDAG.so.22.0git  -lpthread  lib/libllvm_gtest_main.so.22.0git  lib/libllvm_gtest.so.22.0git  -lpthread  lib/libLLVMCodeGen.so.22.0git  lib/libLLVMCodeGenTypes.so.22.0git  lib/libLLVMTarget.so.22.0git  lib/libLLVMMC.so.22.0git  lib/libLLVMCore.so.22.0git  lib/libLLVMTargetParser.so.22.0git  lib/libLLVMSupport.so.22.0git  -Wl,-rpath-link,/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-multistage-test/clang-ppc64le-multistage/stage2/lib && :
/usr/bin/ld: unittests/Target/ARM/CMakeFiles/ARMTests.dir/ARMSelectionDAGTest.cpp.o: undefined reference to symbol '_ZN4llvm18BlockFrequencyInfoD1Ev'
/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-multistage-test/clang-ppc64le-multistage/stage2/lib/libLLVMAnalysis.so.22.0git: error adding symbols: DSO missing from command line
```

https://github.com/llvm/llvm-project/pull/149494