[Backend Tester] Add QNN test flow to nightly CI

ghstack-source-id: 227b3a0
ghstack-comment-id: 3194008771
Pull-Request: #13468

Author: GregoryComer

.ci/scripts/test_backend_linux.sh

@@ -18,11 +18,26 @@ eval "$(conda shell.bash hook)"
 CONDA_ENV=$(conda env list --json | jq -r ".envs | .[-1]")
 conda activate "${CONDA_ENV}"
 
-# Setup swiftshader and Vulkan SDK which are required to build the Vulkan delegate
-source .ci/scripts/setup-vulkan-linux-deps.sh
+export PYTHON_EXECUTABLE=python
 
 # CMake options to use, in addition to the defaults.
-EXTRA_BUILD_ARGS="-DEXECUTORCH_BUILD_VULKAN=ON"
+EXTRA_BUILD_ARGS=""
+
+if [[ "$FLOW" == *qualcomm* ]]; then
+    # Setup QNN sdk and deps
+    ./install_requirements.sh --use-pt-pinned-commit
+    source .ci/scripts/setup-qnn-deps.sh
+    source .ci/scripts/build-qnn-sdk.sh
+
+    EXTRA_BUILD_ARGS+=" -DEXECUTORCH_BUILD_QNN=ON -DQNN_SDK_ROOT=$QNN_SDK_ROOT"
+fi
+
+if [[ "$FLOW" =~ *vulkan* ]]; then
+    # Setup swiftshader and Vulkan SDK which are required to build the Vulkan delegate
+    source .ci/scripts/setup-vulkan-linux-deps.sh
+    
+    EXTRA_BUILD_ARGS+=" -DEXECUTORCH_BUILD_VULKAN=ON"
+fi
 
 # We need the runner to test the built library.
 PYTHON_EXECUTABLE=python CMAKE_ARGS="$EXTRA_BUILD_ARGS" .ci/scripts/setup-linux.sh --build-tool cmake --build-mode Release

.github/workflows/nightly.yml

@@ -42,7 +42,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        flow: [vulkan, xnnpack, xnnpack_static_int8_per_channel]
+        flow: [qualcomm, vulkan, xnnpack, xnnpack_static_int8_per_channel]
         suite: [models, operators]
     with:
       ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}

backends/qualcomm/scripts/install_qnn_sdk.sh

@@ -141,9 +141,9 @@ setup_libcpp() {
   popd >/dev/null
 
   # Set environment variables
-  export CPLUS_INCLUDE_PATH="${INSTALL_DIR}/include:$CPLUS_INCLUDE_PATH"
-  export LD_LIBRARY_PATH="${INSTALL_DIR}/lib:$LD_LIBRARY_PATH"
-  export LIBRARY_PATH="${INSTALL_DIR}/lib:$LIBRARY_PATH"
+  export CPLUS_INCLUDE_PATH="${INSTALL_DIR}/include:${CPLUS_INCLUDE_PATH:-}"
+  export LD_LIBRARY_PATH="${INSTALL_DIR}/lib:${LD_LIBRARY_PATH:-}"
+  export LIBRARY_PATH="${INSTALL_DIR}/lib:${LIBRARY_PATH:-}"
 
   echo "libc++ installed to ${INSTALL_DIR}"
 }