128 lines · cpp
1/* Compile with:2 for FILE in `seq 3`; do3 clang -g -c X86/odr-fwd-declaration.cpp -DFILE$FILE -o Inputs/odr-fwd-declaration/$FILE.o4 done5 */6 7// RUN: dsymutil -f -oso-prepend-path=%p/../Inputs/odr-fwd-declaration -y %p/dummy-debug-map.map -o - | llvm-dwarfdump -v -debug-info - | FileCheck %s8 9#ifdef FILE110# 1 "Header.h" 111typedef struct S *Sptr;12typedef Sptr *Sptrptr;13# 3 "Source1.cpp" 214void foo() {15 Sptrptr ptr1 = 0;16}17 18// First we confirm that the typedefs reference the forward declaration of the19// struct S.20//21// CHECK: TAG_variable22// CHECK-NOT: {{DW_TAG|NULL}}23// CHECK: AT_name{{.*}} "ptr1"24// CHECK-NOT: {{DW_TAG|NULL}}25// CHECK: AT_type{{.*}}0x{{0*}}[[TYPEDEF1:[a-f0-9]*]]26//27// CHECK: [[TYPEDEF1]]:{{.*}}TAG_typedef28// CHECK-NOT: {{DW_TAG|NULL}}29// CHECK: AT_type{{.*}}0x{{0*}}[[PTR1:[a-f0-9]*]]30// CHECK-NOT: {{DW_TAG|NULL}}31// CHECK: AT_name{{.*}} "Sptrptr"32//33// CHECK: [[PTR1]]:{{.*}}TAG_pointer_type34// CHECK-NOT: {{DW_TAG|NULL}}35// CHECK: AT_type{{.*}}0x{{0*}}[[TYPEDEF2:[a-f0-9]*]]36//37// CHECK: [[TYPEDEF2]]:{{.*}}TAG_typedef38// CHECK-NOT: {{DW_TAG|NULL}}39// CHECK: AT_type{{.*}}0x{{0*}}[[PTR2:[a-f0-9]*]]40// CHECK-NOT: {{DW_TAG|NULL}}41// CHECK: AT_name{{.*}} "Sptr"42//43// CHECK: [[PTR2]]:{{.*}}TAG_pointer_type44// CHECK-NOT: {{DW_TAG|NULL}}45// CHECK: AT_type{{.*}}0x{{0*}}[[FWDSTRUCT:[a-f0-9]*]]46//47// CHECK: [[FWDSTRUCT]]:{{.*}}TAG_structure_type48// CHECK-NOT: {{DW_TAG|NULL}}49// CHECK: AT_name{{.*}} "S"50// CHECK-NOT: {{DW_TAG|NULL}}51// CHECK: AT_declaration52// CHECK-NOT: AT_byte_size53 54#elif defined(FILE2)55# 1 "Header.h" 156typedef struct S *Sptr;57typedef Sptr *Sptrptr;58# 3 "Source2.cpp" 259struct S {60 int field;61};62void bar() {63 Sptrptr ptr2 = 0;64}65 66// Next we confirm that the typedefs reference the definition rather than the67// previous declaration of S.68//69// CHECK: TAG_variable70// CHECK-NOT: {{DW_TAG|NULL}}71// CHECK: AT_name{{.*}} "ptr2"72// CHECK-NOT: {{DW_TAG|NULL}}73// CHECK: AT_type{{.*}}0x{{0*}}[[TYPEDEF3:[a-f0-9]*]]74//75// CHECK: [[TYPEDEF3]]:{{.*}}TAG_typedef76// CHECK-NOT: {{DW_TAG|NULL}}77// CHECK: AT_type{{.*}}0x{{0*}}[[PTR3:[a-f0-9]*]]78// CHECK-NOT: {{DW_TAG|NULL}}79// CHECK: AT_name{{.*}} "Sptrptr"80//81// CHECK: [[PTR3]]:{{.*}}TAG_pointer_type82// CHECK-NOT: {{DW_TAG|NULL}}83// CHECK: AT_type{{.*}}0x{{0*}}[[TYPEDEF4:[a-f0-9]*]]84//85// CHECK: [[TYPEDEF4]]:{{.*}}TAG_typedef86// CHECK-NOT: {{DW_TAG|NULL}}87// CHECK: AT_type{{.*}}0x{{0*}}[[PTR4:[a-f0-9]*]]88// CHECK-NOT: {{DW_TAG|NULL}}89// CHECK: AT_name{{.*}} "Sptr"90//91// CHECK: [[PTR4]]:{{.*}}TAG_pointer_type92// CHECK-NOT: {{DW_TAG|NULL}}93// CHECK: AT_type{{.*}}0x{{0*}}[[STRUCT:[a-f0-9]*]]94//95// CHECK: [[STRUCT]]:{{.*}}TAG_structure_type96// CHECK-NOT: {{DW_TAG|NULL}}97// CHECK: AT_name{{.*}} "S"98// CHECK-NOT: {{DW_TAG|NULL}}99// CHECK-NOT: AT_declaration100// CHECK: AT_byte_size101// CHECK-NOT: {{DW_TAG|NULL}}102// CHECK: TAG_member103 104#elif defined(FILE3)105# 1 "Header.h" 1106typedef struct S *Sptr;107typedef Sptr *Sptrptr;108# 3 "Source1.cpp" 2109void foo() {110 Sptrptr ptr1 = 0;111}112 113// Finally we confirm that uniquing is not broken and the same typedef is114// referenced by ptr1.115//116// CHECK: TAG_variable117// CHECK-NOT: {{DW_TAG|NULL}}118// CHECK: AT_name{{.*}} "ptr1"119// CHECK-NOT: {{DW_TAG|NULL}}120// CHECK: AT_type{{.*}}0x{{0*}}[[TYPEDEF3]]121// CHECK-NOT: TAG_typedef122// CHECK-NOT: TAG_pointer123// CHECK-NOT: TAG_structure_type124 125#else126#error "You must define which file you generate"127#endif128