[OPENMP] Fix compiler crash on argument translate for NVPTX.

When translating arguments for NVPTX target it is not taken into account
that function may have variable number of arguments. Patch fixes this
problem.

llvm-svn: 310920

1 files changed, 19 insertions, 0 deletions

diff --git a/clang/test/OpenMP/nvptx_param_translate.c b/clang/test/OpenMP/nvptx_param_translate.c
new file mode 100644
index 00000000000..ec123ce3811
--- /dev/null
+++ b/clang/test/OpenMP/nvptx_param_translate.c
@@ -0,0 +1,19 @@
+// RUN: %clang_cc1 -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 -verify -fopenmp -x c++ -triple nvptx64-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
+// expected-no-diagnostics
+
+// CHECK: [[MAP_FN:%.+]] = load void (i8*, ...)*, void (i8*, ...)** %
+// CHECK: call void (i8*, ...) [[MAP_FN]](i8* %
+int main() {
+  double a, b;
+
+#pragma omp target map(tofrom      \
+                       : a) map(to \
+                                : b)
+  {
+#pragma omp taskgroup
+#pragma omp task shared(a)
+    a = b;
+  }
+  return 0;
+}