created pipeline for master build

Jenkins/master-pipeline/Jenkinsfile

@@ -0,0 +1,42 @@
+// Copyright 2019 Google LLC
+//
+// Licensed under the the Apache License v2.0 with LLVM Exceptions (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://llvm.org/LICENSE.txt
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+pipeline {
+    agent any
+    triggers {
+        pollSCM 'H H/2 * * *'
+    }    
+    stages {
+        stage("git checkout"){
+            steps {
+                git url: 'https://github.com/llvm/llvm-project.git'
+                sh 'mkdir -p llvm-premerge-checks'
+                dir("llvm-premerge-checks")
+                {
+                    git url: 'https://github.com/google/llvm-premerge-checks.git'
+                }
+            }            
+        }
+        stage('CMake') {
+            steps {
+                sh 'llvm-premerge-checks/scripts/run_cmake.sh'
+            }
+        }
+        stage('ninja check-all') {
+            steps {
+                sh 'llvm-premerge-checks/scripts/run_ninja_check-all.sh'
+            }
+        }
+    }
+}

scripts/run_ninja_check-all.sh

@@ -28,5 +28,10 @@ RETURN_CODE="${PIPESTATUS[0]}"
 set -e
 
 echo "check-all completed ======================================"
-cp  ninja_check_all-log.txt ${TARGET_DIR}
+cp  ninja_check_all-log.txt test-results.xml ${TARGET_DIR}
+
+# if a test report exists building must have worked
+if test -f "${WORKSPACE}/build/test-results.xml"; then
+	exit 0
+fi
 exit ${RETURN_CODE}