[OpenMP] Add an additional test for D34888

Summary: Test for checking if the mapping is performed correctly. This is a test initially included in Patch https://reviews.llvm.org/D29905

Reviewers: Hahnfeld, carlo.bertolli, caomhin, ABataev

Reviewed By: Hahnfeld

Subscribers: tra, cfe-commits

Differential Revision: https://reviews.llvm.org/D38040

llvm-svn: 314303

diff --git a/clang/test/OpenMP/openmp_offload_codegen.cpp b/clang/test/OpenMP/openmp_offload_codegen.cpp
new file mode 100644 (file)
index 0000000..f89bccf
--- /dev/null
+++ b/clang/test/OpenMP/openmp_offload_codegen.cpp
@@ -0,0 +1,36 @@
+// Test device for mapping codegen.
+///==========================================================================///
+
+// RUN: %clang_cc1 -DCK1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -S -emit-llvm %s -o - 2>&1 \
+// RUN:   | FileCheck -check-prefix=CK1 %s
+
+// RUN: %clang_cc1 -DCK1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm-bc %s -o %t-ppc-host.bc
+// RUN: %clang_cc1 -DCK1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -fopenmp-targets=nvptx64-nvidia-cuda -emit-llvm %s -fopenmp-is-device -fopenmp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck %s --check-prefix CK1-DEVICE
+
+// expected-no-diagnostics
+
+#ifdef CK1
+
+void target_maps_parallel_integer(int a){
+  int ParamToKernel = a;
+#pragma omp target map(tofrom: ParamToKernel)
+  {
+    ParamToKernel += 1;
+  }
+}
+
+// CK1-DEVICE: {{.*}}void @__omp_offloading_{{.*}}(i32* dereferenceable(4){{.*}}
+
+// CK1: {{.*}}void {{.*}}target_maps_parallel_integer{{.*}} {
+
+// CK1: [[GEPOBP:%.+]] = getelementptr inbounds {{.*}}
+// CK1: [[GEPOBPBIT:%.+]] = bitcast i8** [[GEPOBP]]
+// CK1: store i32* %ParamToKernel, i32** [[GEPOBPBIT]]
+// CK1: [[GEPOP:%.+]] = getelementptr inbounds {{.*}}
+// CK1: [[GEPOPBIT:%.+]] = bitcast i8** [[GEPOP]]
+// CK1: store i32* %ParamToKernel, i32** [[GEPOPBIT]]
+// CK1: [[GEPOBPARG:%.+]] = getelementptr inbounds {{.*}}
+// CK1: [[GEPOPARG:%.+]] = getelementptr inbounds {{.*}}
+// CK1: call {{.*}}tgt_target({{.*}}i8** [[GEPOBPARG]], i8** [[GEPOPARG]]
+
+#endif
\ No newline at end of file