[OPENMP] Delayed diagnostics for VLA support.

Generalized processing of the deferred diagnostics for OpenMP/CUDA code.

llvm-svn: 354690

2 files changed, 13 insertions, 3 deletions

diff --git a/clang/test/OpenMP/target_vla_messages.cpp b/clang/test/OpenMP/target_vla_messages.cpp
index b744081e983..30a27517242 100644
--- a/clang/test/OpenMP/target_vla_messages.cpp
+++ b/clang/test/OpenMP/target_vla_messages.cpp
@@ -47,7 +47,7 @@ void target_template(int arg) {
 #pragma omp target
   {
 #ifdef NO_VLA
-    // expected-error@+2 {{variable length arrays are not supported for the current target}}
+    // expected-error@+2 2 {{variable length arrays are not supported for the current target}}
 #endif
     T vla[arg];
   }
@@ -73,6 +73,9 @@ void target(int arg) {
     }
   }
 
+#ifdef NO_VLA
+    // expected-note@+2 {{in instantiation of function template specialization 'target_template<long>' requested here}}
+#endif
   target_template<long>(arg);
 }
 
diff --git a/clang/test/SemaCUDA/vla.cu b/clang/test/SemaCUDA/vla.cu
index b65ae5e5fe2..cf3054cd8e9 100644
--- a/clang/test/SemaCUDA/vla.cu
+++ b/clang/test/SemaCUDA/vla.cu
@@ -1,5 +1,9 @@
 // RUN: %clang_cc1 -triple nvptx64-nvidia-cuda -fcuda-is-device -verify %s
-// RUN: %clang_cc1 -triple nvptx64-nvidia-cuda -verify -DHOST %s
+// RUN: %clang_cc1 -triple x86_64-unknown-linux -verify -DHOST %s
+
+#ifndef __CUDA_ARCH__
+// expected-no-diagnostics
+#endif
 
 #include "Inputs/cuda.h"
 
@@ -8,7 +12,10 @@ void host(int n) {
 }
 
 __device__ void device(int n) {
-  int x[n];  // expected-error {{cannot use variable-length arrays in __device__ functions}}
+  int x[n];
+#ifdef __CUDA_ARCH__
+  // expected-error@-2 {{cannot use variable-length arrays in __device__ functions}}
+#endif
 }
 
 __host__ __device__ void hd(int n) {