Add 'compiler/rustc_codegen_cranelift/' from commit '793d26047f994e23415f8f6bb5686ff25d3dda92'

git-subtree-dir: compiler/rustc_codegen_cranelift
git-subtree-mainline: cf798c1
git-subtree-split: 793d260

Author: bjorn3

compiler/rustc_codegen_cranelift/.gitattributes

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+* text=auto eol=lf

compiler/rustc_codegen_cranelift/.github/workflows/main.yml

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+name: CI
+
+on:
+  - push
+  - pull_request
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Cache cargo installed crates
+      uses: actions/cache@v2
+      with:
+        path: ~/.cargo/bin
+        key: ${{ runner.os }}-cargo-installed-crates
+
+    - name: Cache cargo registry and index
+      uses: actions/cache@v2
+      with:
+        path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+        key: ${{ runner.os }}-cargo-registry-and-index-${{ hashFiles('**/Cargo.lock') }}
+
+    - name: Cache cargo target dir
+      uses: actions/cache@v2
+      with:
+        path: target
+        key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('rust-toolchain', '**/Cargo.lock') }}
+
+    - name: Prepare dependencies
+      run: |
+        git config --global user.email "user@example.com"
+        git config --global user.name "User"
+        ./prepare.sh
+
+    - name: Test
+      run: |
+        # Enable backtraces for easier debugging
+        export RUST_BACKTRACE=1
+
+        # Reduce amount of benchmark runs as they are slow
+        export COMPILE_RUNS=2
+        export RUN_RUNS=2
+
+        ./test.sh --release