clang/test/CodeGen/attr-nodebug.c

   1 // RUN: %clang_cc1 -debug-info-kind=limited -emit-llvm -o - %s | FileCheck %s
   2
   3 void t1(void) __attribute__((nodebug));
   4
   5 void t1(void)
   6 {
   7   int a = 10;
   8   a++;
   9 }
  10
  11 void t2(void)
  12 {
  13   int b = 10;
  14   b++;
  15 }
  16
  17 // With nodebug, IR should have no llvm.dbg.* calls, or !dbg annotations.
  18 // CHECK-LABEL: @t1
  19 // CHECK-NOT:   dbg
  20 // CHECK:       }
  21
  22 // Verify those things do occur normally.
  23 // CHECK-LABEL: @t2
  24 // CHECK:       call{{.*}}llvm.dbg
  25 // CHECK:       !dbg
  26 // CHECK:       }
  27
  28 // We should see a function description for t2 but not t1.
  29 // CHECK-NOT: DISubprogram(name: "t1"
  30 // CHECK:     DISubprogram(name: "t2"
  31 // CHECK-NOT: DISubprogram(name: "t1"
  32