workflows: Fix libclc-tests

The old out-of-tree build configuration stopped working and
in tree builds are supported now, so we should use the in
tree configuration. The only downside is we can't run the tests any
more, but at least we will be able to test the build again.

Author: tstellar

.github/workflows/llvm-project-tests.yml

@@ -131,6 +131,7 @@ jobs:
                 -DCMAKE_BUILD_TYPE=Release \
                 -DLLVM_ENABLE_ASSERTIONS=ON \
                 -DLLDB_INCLUDE_TESTS=OFF \
+                -DLIBCLC_TARGETS_TO_BUILD="amdgcn--;amdgcn--amdhsa;r600--;nvptx--;nvptx64--;nvptx--nvidiacl;nvptx64--nvidiacl" \
                 -DCMAKE_C_COMPILER_LAUNCHER=sccache \
                 -DCMAKE_CXX_COMPILER_LAUNCHER=sccache \
                 $extra_cmake_args \
@@ -142,8 +143,6 @@ jobs:
         env:
           LLVM_BUILDDIR: ${{ steps.build-llvm.outputs.llvm-builddir }}
         run: |
-          # Make sure all of LLVM libraries that llvm-config needs are built.
+          # The libclc tests don't have a generated check target so all we can
+          # do is build it.
           ninja -C "$LLVM_BUILDDIR"
-          cmake -G Ninja -S libclc -B libclc-build -DLLVM_DIR="$LLVM_BUILDDIR"/lib/cmake/llvm -DLIBCLC_TARGETS_TO_BUILD="amdgcn--;amdgcn--amdhsa;r600--;nvptx--;nvptx64--;nvptx--nvidiacl;nvptx64--nvidiacl"
-          ninja -C libclc-build
-          ninja -C libclc-build test