75 lines · cpp
1// RUN: dsymutil --linker parallel -f -y %p/../dummy-debug-map.map -oso-prepend-path \2// RUN: %p/../../Inputs/inlined-static-variable -o - -keep-function-for-static | \3// RUN: llvm-dwarfdump - | FileCheck %s --implicit-check-not \4// RUN: "{{DW_AT_low_pc|DW_AT_high_pc|DW_AT_location|DW_TAG|NULL}}" \5// RUN: --check-prefixes=CHECK6 7// clang -g -c inlined-static-variable.cpp -o 4.o8 9// The functions removed and not_removed are not in the debug map and are10// considered dead, but they are also inlined into the function foo which is11// in the debug map. Those function-local globals are alive and thus should12// have locations in the debug info even if their functions do not.13 14inline __attribute__((always_inline)) int removed() {15 static int a = 0;16 return ++a;17}18 19__attribute__((always_inline)) int not_removed() {20 static int b = 0;21 return ++b;22}23 24int unused() {25 static int c = 0;26 return ++c;27}28 29int foo() {30 return removed() + not_removed();31}32 33// CHECK: DW_TAG_compile_unit34// CHECK: DW_AT_name{{.*}}"__artificial_type_unit"35// CHECK: DW_TAG_base_type36// CHECK: DW_AT_name{{.*}}"int"37// CHECK: DW_TAG_subprogram38// CHECK: DW_AT_name{{.*}}"not_removed"39// CHECK: DW_TAG_subprogram40// CHECK: DW_AT_name{{.*}}"removed"41// CHECK: NULL42 43// CHECK: DW_TAG_compile_unit44// CHECK: DW_AT_low_pc45// CHECK: DW_AT_high_pc46// CHECK: DW_TAG_subprogram47// CHECK: DW_AT_name{{.*}}"removed"48// CHECK-NOT: DW_AT_low_pc49// CHECK-NOT: DW_AT_low_pc50// CHECK: DW_TAG_variable51// CHECK: DW_AT_name{{.*}}"a"52// CHECK: {{.*}}DW_OP_addr53// CHECK: NULL54// CHECK: DW_TAG_base_type55// CHECK: DW_TAG_subprogram56// CHECK: DW_AT_name{{.*}}"not_removed"57// CHECK-NOT: DW_AT_low_pc58// CHECK-NOT: DW_AT_low_pc59// CHECK: DW_TAG_variable60// CHECK: DW_AT_name{{.*}}"b"61// CHECK: {{.*}}DW_OP_addr62// CHECK: NULL63// CHECK: DW_TAG_subprogram64// CHECK: DW_AT_low_pc65// CHECK: DW_AT_high_pc66// CHECK: DW_AT_name ("foo")67// CHECK: DW_TAG_inlined_subroutine68// CHECK: DW_AT_low_pc69// CHECK: DW_AT_high_pc70// CHECK: DW_TAG_inlined_subroutine71// CHECK: DW_AT_low_pc72// CHECK: DW_AT_high_pc73// CHECK: NULL74// CHECK: NULL75