[github] Update llvm-project-tests based on upstream changes.

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

@@ -1,6 +1,12 @@
 name: LLVM Project Tests
 
 on:
+  workflow_dispatch:
+    inputs:
+      build_target:
+        required: false
+      projects:
+        required: false
   workflow_call:
     inputs:
       build_target:
@@ -19,9 +25,15 @@ concurrency:
   group: llvm-project-${{ github.workflow }}-${{ inputs.projects}}${{ github.ref }}
   cancel-in-progress: ${{ startsWith(github.ref, 'refs/pull/') }}
 
+# env:
+#   # Workaround for build faliure on Mac OS X: llvm.org/PR46190, https://github.com/actions/virtual-environments/issues/2274
+#   CPLUS_INCLUDE_PATH: /usr/local/Cellar/llvm/14.0.6/include/c++/v1:/usr/local/Cellar/llvm@13/13.0.1/include/c++/v1:/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include
+
 env:
-  # Workaround for build faliure on Mac OS X: llvm.org/PR46190, https://github.com/actions/virtual-environments/issues/2274
-  CPLUS_INCLUDE_PATH: /usr/local/Cellar/llvm/14.0.6/include/c++/v1:/usr/local/Cellar/llvm@13/13.0.1/include/c++/v1:/Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include
+  # Workaround for https://github.com/actions/virtual-environments/issues/5900.
+  # This should be a no-op for non-mac OSes
+  CPLUS_INCLUDE_PATH: /usr/local/Cellar/llvm/14.0.6_1/include/c++/v1:/Library/Developer/CommandLineTools/SDKs/MacOSX12.sdk/usr/include
+  # PKG_CONFIG_PATH: /usr/local/Homebrew/Library/Homebrew/os/mac/pkgconfig//11
 
 jobs:
   lit-tests:
@@ -32,9 +44,12 @@ jobs:
       matrix:
         os:
           - ubuntu-latest
-          # - windows-latest
-          # Use a specific version of macOS to ensure the CPLUS_INCLUDE_PATH workaround works.
-          - macOS-10.15
+          # # Use windows-2019 due to:
+          # # https://developercommunity.visualstudio.com/t/Prev-Issue---with-__assume-isnan-/1597317
+          # - windows-2019
+          # We're using a specific version of macOS due to:
+          # https://github.com/actions/virtual-environments/issues/5900
+          - macOS-11
     steps:
       - name: Setup Windows
         if: startsWith(matrix.os, 'windows')
@@ -44,16 +59,45 @@ jobs:
       - name: Check macOS (for debugging)
         if: startsWith(matrix.os, 'macos')
         run: |
+          ls /Library/Developer/CommandLineTools/SDKs
           find /usr/local -name "cmath*"
+      # On Windows, starting with win19/20220814.1, cmake choose the 32-bit
+      # python3.10.6 libraries instead of the 64-bit libraries when building
+      # lldb.  Using this setup-python action to make 3.10 the default
+      # python fixes this.
+      - name: Setup Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.10'
       - name: Install Ninja
         uses: llvm/actions/install-ninja@main
-      - uses: actions/checkout@v1
+      # actions/checkout deletes any existing files in the new git directory,
+      # so this needs to either run before ccache-action or it has to use
+      # clean: false.
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 250
+      - name: Setup ccache
+        uses: hendrikmuhs/[email protected]
+        with:
+          # A full build of llvm, clang, lld, and lldb takes about 250MB
+          # of ccache space. There's not much reason to have more than this,
+          # because we usually won't need to save cache entries from older
+          # builds.  Also, there is an overall 10GB cache limit, and each
+          # run creates a new cache entry so we want to ensure that we have
+          # enough cache space for all the tests to run at once and still
+          # fit under the 10 GB limit.
+          max-size: 500M
+          key: sccache-${{ matrix.os }}
+          variant: sccache
       - name: Build and Test
         uses: llvm/actions/build-test-llvm-project@main
+        env:
+          # Workaround for https://github.com/actions/virtual-environments/issues/5900.
+          # This should be a no-op for non-mac OSes
+          PKG_CONFIG_PATH: /usr/local/Homebrew/Library/Homebrew/os/mac/pkgconfig//12
         with:
-          cmake_args: '-GNinja -DLLVM_ENABLE_PROJECTS="${{ inputs.projects }}" -DCMAKE_BUILD_TYPE=Release -DLLDB_INCLUDE_TESTS=OFF'
+          cmake_args: '-GNinja -DLLVM_ENABLE_PROJECTS="${{ inputs.projects }}" -DCMAKE_BUILD_TYPE=Release -DLLDB_INCLUDE_TESTS=OFF -DCMAKE_C_COMPILER_LAUNCHER=sccache -DCMAKE_CXX_COMPILER_LAUNCHER=sccache'
           build_target:  '${{ inputs.build_target }}'
 
       - name: Build and Test libclc