xref: /llvm-project/llvm/test/tools/dsymutil/X86/inlined-static-variable.cpp (revision fab91e950966dbc5d3b59208e4dab274ac54e891)
1 // RUN: dsymutil -f -y %p/dummy-debug-map.map -oso-prepend-path %p/../Inputs/inlined-static-variable -o - | llvm-dwarfdump - | FileCheck %s --implicit-check-not "{{DW_AT_low_pc|DW_AT_high_pc|DW_AT_location|DW_TAG|NULL}}"
2 
3 // clang -g -c inlined-static-variable.cpp -o 4.o
4 
5 // The functions removed and not_removed are not in the debug map and are
6 // considered dead, but they are also inlined into the function foo which is
7 // in the debug map. Those function-local globals are alive and thus should
8 // have locations in the debug info even if their functions do not.
9 
10 inline __attribute__((always_inline)) int removed() {
11   static int a = 0;
12   return ++a;
13 }
14 
15 __attribute__((always_inline)) int not_removed() {
16   static int b = 0;
17   return ++b;
18 }
19 
20 int unused() {
21   static int c = 0;
22   return ++c;
23 }
24 
25 int foo() {
26   return removed() + not_removed();
27 }
28 
29 // CHECK: DW_TAG_compile_unit
30 // CHECK:   DW_AT_low_pc
31 // CHECK:   DW_AT_high_pc
32 
33 // CHECK:   DW_TAG_subprogram
34 // CHECK:     DW_AT_name	("removed")
35 // CHECK:     DW_TAG_variable
36 // CHECK:       DW_AT_name	("a")
37 // CHECK:       DW_AT_location
38 // CHECK:     NULL
39 
40 // CHECK:   DW_TAG_base_type
41 // CHECK:   DW_TAG_subprogram
42 // CHECK:     DW_AT_name	("not_removed")
43 // CHECK:     DW_TAG_variable
44 // CHECK:       DW_AT_name	("b")
45 // CHECK:       DW_AT_location
46 // CHECK:     NULL
47 
48 // CHECK:   DW_TAG_subprogram
49 // CHECK:     DW_AT_low_pc
50 // CHECK:     DW_AT_high_pc
51 // CHECK:     DW_AT_name	("foo")
52 // CHECK:     DW_TAG_inlined_subroutine
53 // CHECK:       DW_AT_low_pc
54 // CHECK:       DW_AT_high_pc
55 // CHECK:     DW_TAG_inlined_subroutine
56 // CHECK:       DW_AT_low_pc
57 // CHECK:       DW_AT_high_pc
58 // CHECK:     NULL
59 // CHECK:   NULL
60