[OpenMP] Initial implementation of OpenMP offloading library - libomptarget.

This is the patch upstreaming the device-agnostic part of libomptarget.

Differential Revision: https://reviews.llvm.org/D14031

llvm-svn: 293094

1 files changed, 22 insertions, 0 deletions

diff --git a/openmp/libomptarget/test/offloading/offloading_success.cpp b/openmp/libomptarget/test/offloading/offloading_success.cpp
new file mode 100644
index 00000000000..62d5cf8758f
--- /dev/null
+++ b/openmp/libomptarget/test/offloading/offloading_success.cpp
@@ -0,0 +1,22 @@
+// RUN: %libomptarget-compilexx-run-and-check-powerpc64-ibm-linux-gnu
+// RUN: %libomptarget-compilexx-run-and-check-powerpc64le-ibm-linux-gnu
+// RUN: %libomptarget-compilexx-run-and-check-x86_64-pc-linux-gnu
+
+#include <stdio.h>
+#include <omp.h>
+
+int main(void) {
+  int isHost = 0;
+
+#pragma omp target
+  { isHost = omp_is_initial_device(); }
+
+  if (isHost < 0) {
+    printf("Runtime error, isHost=%d\n", isHost);
+  }
+
+  // CHECK: Target region executed on the device
+  printf("Target region executed on the %s\n", isHost ? "host" : "device");
+
+  return isHost;
+}