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      1 // RUN: %clang_cc1 -DSETNODEBUG=0 -emit-llvm -debug-info-kind=limited %s -o - | FileCheck %s --check-prefix=YESINFO
      2 // RUN: %clang_cc1 -DSETNODEBUG=1 -emit-llvm -debug-info-kind=limited %s -o - | FileCheck %s --check-prefix=NOINFO
      3 
      4 #if SETNODEBUG
      5 #define NODEBUG __attribute__((nodebug))
      6 #else
      7 #define NODEBUG
      8 #endif
      9 
     10 // Const global variable. Use it so it gets emitted.
     11 NODEBUG static const int const_global_int_def = 1;
     12 void func1(int);
     13 void func2() { func1(const_global_int_def); }
     14 // YESINFO-DAG: !DIGlobalVariable(name: "const_global_int_def"
     15 // NOINFO-NOT:  !DIGlobalVariable(name: "const_global_int_def"
     16 
     17 // Global variable with a more involved type.
     18 // If the variable has no debug info, the type should not appear either.
     19 struct S1 {
     20   int a;
     21   int b;
     22 };
     23 NODEBUG S1 global_struct = { 2, 3 };
     24 // YESINFO-DAG: !DICompositeType({{.*}} name: "S1"
     25 // NOINFO-NOT:  !DICompositeType({{.*}} name: "S1"
     26 // YESINFO-DAG: !DIGlobalVariable(name: "global_struct"
     27 // NOINFO-NOT:  !DIGlobalVariable(name: "global_struct"
     28 
     29 // Static data members. Const member needs a use.
     30 // Also the class as a whole needs a use, so that we produce debug info for
     31 // the entire class (iterating over the members, demonstrably skipping those
     32 // with 'nodebug').
     33 struct S2 {
     34   NODEBUG static int static_member;
     35   NODEBUG static const int static_const_member = 4;
     36 };
     37 int S2::static_member = 5;
     38 void func3() {
     39   S2 junk;
     40   func1(S2::static_const_member);
     41 }
     42 // YESINFO-DAG: !DIGlobalVariable(name: "static_member"
     43 // NOINFO-NOT:  !DIGlobalVariable(name: "static_member"
     44 // YESINFO-DAG: !DIDerivedType({{.*}} name: "static_const_member"
     45 // NOINFO-NOT:  !DIDerivedType({{.*}} name: "static_const_member"
     46 
     47 // Function-local static and auto variables.
     48 void func4() {
     49   NODEBUG static int static_local = 6;
     50   NODEBUG        int normal_local = 7;
     51 }
     52 // YESINFO-DAG: !DIGlobalVariable(name: "static_local"
     53 // NOINFO-NOT:  !DIGlobalVariable(name: "static_local"
     54 // YESINFO-DAG: !DILocalVariable(name: "normal_local"
     55 // NOINFO-NOT:  !DILocalVariable(name: "normal_local"
     56