[llvm] [VPlan] Use VPInstructionWithType for uniform casts. (PR #140623)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-nvptx-nvidia-ubuntu` running on `as-builder-7` while building `llvm` at step 6 "test-build-unified-tree-check-llvm".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/180/builds/39164

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

```
Step 6 (test-build-unified-tree-check-llvm) failure: test (failure)
...
9.744 [3/8/791] Building CXX object unittests/ObjectYAML/CMakeFiles/ObjectYAMLTests.dir/DXContainerYAMLTest.cpp.o
9.859 [2/8/792] Linking CXX executable unittests/ObjectYAML/ObjectYAMLTests
12.145 [2/7/793] Building CXX object unittests/Transforms/Vectorize/CMakeFiles/VectorizeTests.dir/VPlanUncountableExitTest.cpp.o
12.167 [2/6/794] Building CXX object unittests/Transforms/Vectorize/CMakeFiles/VectorizeTests.dir/VPlanPatternMatchTest.cpp.o
12.494 [2/5/795] Building CXX object unittests/Transforms/Vectorize/CMakeFiles/VectorizeTests.dir/VPlanHCFGTest.cpp.o
12.642 [2/4/796] Building CXX object unittests/Transforms/Vectorize/CMakeFiles/VectorizeTests.dir/VPDomTreeTest.cpp.o
13.114 [2/3/797] Building CXX object unittests/Transforms/Vectorize/CMakeFiles/VectorizeTests.dir/VPlanVerifierTest.cpp.o
13.284 [2/2/798] Building CXX object unittests/Transforms/Vectorize/CMakeFiles/VectorizeTests.dir/VPPostDomFrontierTest.cpp.o
20.243 [2/1/799] Building CXX object unittests/Transforms/Vectorize/CMakeFiles/VectorizeTests.dir/VPlanTest.cpp.o
20.386 [1/1/800] Linking CXX executable unittests/Transforms/Vectorize/VectorizeTests
FAILED: unittests/Transforms/Vectorize/VectorizeTests 
: && /usr/bin/c++ -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wno-missing-field-initializers -pedantic -Wno-long-long -Wimplicit-fallthrough -Wno-uninitialized -Wno-nonnull -Wno-class-memaccess -Wno-dangling-reference -Wno-redundant-move -Wno-pessimizing-move -Wno-array-bounds -Wno-stringop-overread -Wno-dangling-pointer -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wsuggest-override -Wno-comment -Wno-misleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -fuse-ld=gold     -Wl,--gc-sections unittests/Transforms/Vectorize/CMakeFiles/VectorizeTests.dir/VPlanTest.cpp.o unittests/Transforms/Vectorize/CMakeFiles/VectorizeTests.dir/VPDomTreeTest.cpp.o unittests/Transforms/Vectorize/CMakeFiles/VectorizeTests.dir/VPPostDomFrontierTest.cpp.o unittests/Transforms/Vectorize/CMakeFiles/VectorizeTests.dir/VPlanHCFGTest.cpp.o unittests/Transforms/Vectorize/CMakeFiles/VectorizeTests.dir/VPlanPatternMatchTest.cpp.o unittests/Transforms/Vectorize/CMakeFiles/VectorizeTests.dir/VPlanUncountableExitTest.cpp.o unittests/Transforms/Vectorize/CMakeFiles/VectorizeTests.dir/VPlanVerifierTest.cpp.o -o unittests/Transforms/Vectorize/VectorizeTests  -Wl,-rpath,/home/buildbot/worker/as-builder-7/llvm-nvptx-nvidia-ubuntu/build/lib  lib/libLLVMVectorize.so.23.0git  lib/libllvm_gtest_main.so.23.0git  lib/libllvm_gtest.so.23.0git  lib/libLLVMAnalysis.so.23.0git  lib/libLLVMAsmParser.so.23.0git  lib/libLLVMCore.so.23.0git  lib/libLLVMTargetParser.so.23.0git  lib/libLLVMSupport.so.23.0git  -Wl,-rpath-link,/home/buildbot/worker/as-builder-7/llvm-nvptx-nvidia-ubuntu/build/lib && :
unittests/Transforms/Vectorize/CMakeFiles/VectorizeTests.dir/VPlanTest.cpp.o:VPlanTest.cpp:function llvm::VPWidenLoadRecipe::VPWidenLoadRecipe(llvm::LoadInst&, llvm::VPValue*, llvm::VPValue*, bool, llvm::VPIRMetadata const&, llvm::DebugLoc):(.text._ZN4llvm17VPWidenLoadRecipeC2ERNS_8LoadInstEPNS_7VPValueES4_bRKNS_12VPIRMetadataENS_8DebugLocE+0x297): error: undefined reference to 'non-virtual thunk to llvm::VPWidenLoadRecipe::getAsRecipe()'
collect2: error: ld returned 1 exit status
ninja: build stopped: subcommand failed.

```

</details>

https://github.com/llvm/llvm-project/pull/140623