1 files changed, 40 insertions, 0 deletions
diff --git a/test/Misc/ast-print-pragmas.cpp b/test/Misc/ast-print-pragmas.cpp
new file mode 100644
index 0000000..25421fc
--- /dev/null
+++ b/test/Misc/ast-print-pragmas.cpp
@@ -0,0 +1,40 @@
+// RUN: %clang_cc1 -ast-print %s -o - | FileCheck %s
+
+// FIXME: A bug in ParsedAttributes causes the order of the attributes to be
+// reversed. The checks are consequently in the reverse order below.
+
+// CHECK: #pragma clang loop interleave_count(8)
+// CHECK-NEXT: #pragma clang loop vectorize_width(4)
+
+void test(int *List, int Length) {
+  int i = 0;
+#pragma clang loop vectorize_width(4)
+#pragma clang loop interleave_count(8)
+// CHECK-NEXT: while (i < Length)
+  while (i < Length) {
+    List[i] = i * 2;
+    i++;
+  }
+
+// CHECK: #pragma clang loop interleave(disable)
+// CHECK-NEXT: #pragma clang loop vectorize(enable)
+
+#pragma clang loop vectorize(enable)
+#pragma clang loop interleave(disable)
+// CHECK-NEXT: while (i - 1 < Length)
+  while (i - 1 < Length) {
+    List[i] = i * 2;
+    i++;
+  }
+
+// CHECK: #pragma clang loop interleave(enable)
+// CHECK-NEXT: #pragma clang loop vectorize(disable)
+
+#pragma clang loop vectorize(disable)
+#pragma clang loop interleave(enable)
+// CHECK-NEXT: while (i - 2 < Length)
+  while (i - 2 < Length) {
+    List[i] = i * 2;
+    i++;
+  }
+}