fix ci for cuda build

.github/workflows/swift.yml

@@ -4,9 +4,7 @@
 name: Swift Build and Test
 on:
   push:
-    branches: [ "main", "develop" ]
   pull_request:
-    branches: [ "main", "develop" ]
 
 jobs:
   macos-build:
@@ -59,9 +57,25 @@ jobs:
           github-repo: thebrowsercompany/swift-build
           release-asset-name: installer-amd64.exe
           github-token: ${{ secrets.GITHUB_TOKEN }}
+      - uses: Jimver/cuda-toolkit@v0.2.16
+        id: cuda-toolkit
+        with:
+          cuda: '12.4.0'
       - uses: actions/checkout@v4
         with:
           submodules: true
+      - name: Clone llama.cpp
+        run: git clone -b ku-nlp/gpt2-japanese-char https://github.com/fkunn1326/llama.cpp.git
+      - name: Build llama.cpp
+        run: |
+          cmake -B build -DBUILD_SHARED_LIBS=ON -DLLAMA_CUDA=ON
+          cmake --build build --config Release
+        working-directory: ./llama.cpp
+      - name: Copy built files
+        run: |
+          cp ./build/bin/Release/llama.dll ../
+          cp ./build/Release/llama.lib ../
+        working-directory: ./llama.cpp
       - name: Build
         run: swift build -Xswiftc -strict-concurrency=complete -v
       - name: Run tests