clang/test/CodeGenCXX/debug-info-vla.cpp

   1 // RUN: %clang_cc1 -emit-llvm -debug-info-kind=limited -std=c++11 -triple x86_64-unknown-unknown %s -o - | FileCheck %s
   2
   3
   4 void f(int m) {
   5   int x[3][m];
   6 }
   7
   8 int (*fp)(int[][*]) = nullptr;
   9
  10 // CHECK: !DICompositeType(tag: DW_TAG_array_type,
  11 // CHECK-NOT:                               size:
  12 // CHECK-SAME:                              elements: [[ELEM_TYPE:![0-9]+]]
  13 // CHECK: [[ELEM_TYPE]] = !{[[NOCOUNT:.*]]}
  14 // CHECK: [[NOCOUNT]] = !DISubrange(count: -1)
  15 //
  16 // CHECK: [[VAR:![0-9]+]] = !DILocalVariable(name: "__vla_expr0", {{.*}}flags: DIFlagArtificial
  17 // CHECK: !DICompositeType(tag: DW_TAG_array_type,
  18 // CHECK-NOT:                               size:
  19 // CHECK-SAME:                              elements: [[ELEM_TYPE:![0-9]+]]
  20 // CHECK: [[ELEM_TYPE]] = !{[[THREE:.*]], [[VARRANGE:![0-9]+]]}
  21 // CHECK: [[THREE]] = !DISubrange(count: 3)
  22 // CHECK: [[VARRANGE]] = !DISubrange(count: [[VAR]])