diff options
20 files changed, 678 insertions, 85 deletions
diff --git a/lib/profile/GCDAProfiling.c b/lib/profile/GCDAProfiling.c index 68a0cab66..ad58db4c4 100644 --- a/lib/profile/GCDAProfiling.c +++ b/lib/profile/GCDAProfiling.c @@ -86,31 +86,76 @@ static uint64_t file_size = 0; static int new_file = 0; static int fd = -1; -/* - * A list of functions to write out the data. - */ -typedef void (*writeout_fn)(); +typedef void (*fn_ptr)(); + +typedef void* dynamic_object_id; +// The address of this variable identifies a given dynamic object. +static dynamic_object_id current_id; +#define CURRENT_ID (¤t_id) -struct writeout_fn_node { - writeout_fn fn; - struct writeout_fn_node *next; +struct fn_node { + dynamic_object_id id; + fn_ptr fn; + struct fn_node* next; }; -static struct writeout_fn_node *writeout_fn_head = NULL; -static struct writeout_fn_node *writeout_fn_tail = NULL; +struct fn_list { + struct fn_node *head, *tail; +}; /* - * A list of flush functions that our __gcov_flush() function should call. + * A list of functions to write out the data, shared between all dynamic objects. */ -typedef void (*flush_fn)(); +struct fn_list writeout_fn_list; -struct flush_fn_node { - flush_fn fn; - struct flush_fn_node *next; -}; +/* + * A list of flush functions that our __gcov_flush() function should call, shared between all dynamic objects. + */ +struct fn_list flush_fn_list; + +static void fn_list_insert(struct fn_list* list, fn_ptr fn) { + struct fn_node* new_node = malloc(sizeof(struct fn_node)); + new_node->fn = fn; + new_node->next = NULL; + new_node->id = CURRENT_ID; + + if (!list->head) { + list->head = list->tail = new_node; + } else { + list->tail->next = new_node; + list->tail = new_node; + } +} + +static void fn_list_remove(struct fn_list* list) { + struct fn_node* curr = list->head; + struct fn_node* prev = NULL; + struct fn_node* next = NULL; + + while (curr) { + next = curr->next; + + if (curr->id == CURRENT_ID) { + if (curr == list->head) { + list->head = next; + } + + if (curr == list->tail) { + list->tail = prev; + } -static struct flush_fn_node *flush_fn_head = NULL; -static struct flush_fn_node *flush_fn_tail = NULL; + if (prev) { + prev->next = next; + } + + free(curr); + } else { + prev = curr; + } + + curr = next; + } +} static void resize_write_buffer(uint64_t size) { if (!new_file) return; @@ -403,6 +448,7 @@ void llvm_gcda_summary_info() { const uint32_t obj_summary_len = 9; /* Length for gcov compatibility. */ uint32_t i; uint32_t runs = 1; + static uint32_t run_counted = 0; // We only want to increase the run count once. uint32_t val = 0; uint64_t save_cur_pos = cur_pos; @@ -429,7 +475,9 @@ void llvm_gcda_summary_info() { read_32bit_value(); /* checksum, unused */ read_32bit_value(); /* num, unused */ - runs += read_32bit_value(); /* Add previous run count to new counter. */ + uint32_t prev_runs = read_32bit_value(); + /* Add previous run count to new counter, if not already counted before. */ + runs = run_counted ? prev_runs : prev_runs + 1; } cur_pos = save_cur_pos; @@ -447,6 +495,8 @@ void llvm_gcda_summary_info() { write_bytes("\0\0\0\xa3", 4); /* tag indicates 1 program */ write_32bit_value(0); /* 0 length */ + run_counted = 1; + #ifdef DEBUG_GCDAPROFILING fprintf(stderr, "llvmgcda: %u runs\n", runs); #endif @@ -479,61 +529,34 @@ void llvm_gcda_end_file() { } COMPILER_RT_VISIBILITY -void llvm_register_writeout_function(writeout_fn fn) { - struct writeout_fn_node *new_node = malloc(sizeof(struct writeout_fn_node)); - new_node->fn = fn; - new_node->next = NULL; - - if (!writeout_fn_head) { - writeout_fn_head = writeout_fn_tail = new_node; - } else { - writeout_fn_tail->next = new_node; - writeout_fn_tail = new_node; - } +void llvm_register_writeout_function(fn_ptr fn) { + fn_list_insert(&writeout_fn_list, fn); } COMPILER_RT_VISIBILITY void llvm_writeout_files(void) { - struct writeout_fn_node *curr = writeout_fn_head; + struct fn_node *curr = writeout_fn_list.head; while (curr) { - curr->fn(); + if (curr->id == CURRENT_ID) { + curr->fn(); + } curr = curr->next; } } COMPILER_RT_VISIBILITY void llvm_delete_writeout_function_list(void) { - while (writeout_fn_head) { - struct writeout_fn_node *node = writeout_fn_head; - writeout_fn_head = writeout_fn_head->next; - free(node); - } - - writeout_fn_head = writeout_fn_tail = NULL; + fn_list_remove(&writeout_fn_list); } COMPILER_RT_VISIBILITY -void llvm_register_flush_function(flush_fn fn) { - struct flush_fn_node *new_node = malloc(sizeof(struct flush_fn_node)); - new_node->fn = fn; - new_node->next = NULL; - - if (!flush_fn_head) { - flush_fn_head = flush_fn_tail = new_node; - } else { - flush_fn_tail->next = new_node; - flush_fn_tail = new_node; - } +void llvm_register_flush_function(fn_ptr fn) { + fn_list_insert(&flush_fn_list, fn); } -// __gcov_flush is hidden. When called in a .so file, -// it dumps profile data of the calling .so file. -// If a main program needs to dump profile data of each linked -// .so files, it should use dlsym to find and call llvm_gcov_flush. -COMPILER_RT_VISIBILITY void __gcov_flush() { - struct flush_fn_node *curr = flush_fn_head; + struct fn_node* curr = flush_fn_list.head; while (curr) { curr->fn(); @@ -541,25 +564,13 @@ void __gcov_flush() { } } -// llvm_gcov_flush is not hidden for a program to use dlsym to -// find and call for any linked .so file. -void llvm_gcov_flush() { - __gcov_flush(); -} - COMPILER_RT_VISIBILITY void llvm_delete_flush_function_list(void) { - while (flush_fn_head) { - struct flush_fn_node *node = flush_fn_head; - flush_fn_head = flush_fn_head->next; - free(node); - } - - flush_fn_head = flush_fn_tail = NULL; + fn_list_remove(&flush_fn_list); } COMPILER_RT_VISIBILITY -void llvm_gcov_init(writeout_fn wfn, flush_fn ffn) { +void llvm_gcov_init(fn_ptr wfn, fn_ptr ffn) { static int atexit_ran = 0; if (wfn) diff --git a/test/profile/Inputs/instrprof-dlopen-dlclose-main.c b/test/profile/Inputs/instrprof-dlopen-dlclose-main.c index 198e4e82f..3f4a4f6cc 100644 --- a/test/profile/Inputs/instrprof-dlopen-dlclose-main.c +++ b/test/profile/Inputs/instrprof-dlopen-dlclose-main.c @@ -10,6 +10,12 @@ int main(int argc, char *argv[]) { return EXIT_FAILURE; } + void (*func)(void) = (void (*)(void))dlsym(f1_handle, "func"); + if (func == NULL) { + fprintf(stderr, "unable to lookup symbol 'func': %s\n", dlerror()); + return EXIT_FAILURE; + } + dlerror(); void *f2_handle = dlopen("func2.shared", RTLD_LAZY | RTLD_GLOBAL); if (f2_handle == NULL) { @@ -17,31 +23,44 @@ int main(int argc, char *argv[]) { return EXIT_FAILURE; } - dlerror(); - void (*gcov_flush)() = (void (*)())dlsym(f1_handle, "__gcov_flush"); - if (gcov_flush != NULL || dlerror() == NULL) { - fprintf(stderr, "__gcov_flush should not be visible in func.shared'\n"); + void (*func2)(void) = (void (*)(void))dlsym(f2_handle, "func2"); + if (func2 == NULL) { + fprintf(stderr, "unable to lookup symbol 'func2': %s\n", dlerror()); + return EXIT_FAILURE; + } + func2(); + +#ifdef USE_LIB3 + void *f3_handle = dlopen("func3.shared", RTLD_LAZY | RTLD_GLOBAL); + if (f3_handle == NULL) { + fprintf(stderr, "unable to open 'func3.shared': %s\n", dlerror()); return EXIT_FAILURE; } + void (*func3)(void) = (void (*)(void))dlsym(f3_handle, "func3"); + if (func3 == NULL) { + fprintf(stderr, "unable to lookup symbol 'func3': %s\n", dlerror()); + return EXIT_FAILURE; + } + func3(); +#endif + dlerror(); - void (*f1_flush)() = (void (*)())dlsym(f1_handle, "llvm_gcov_flush"); - if (f1_flush == NULL) { - fprintf(stderr, "unable to find llvm_gcov_flush in func.shared': %s\n", dlerror()); + void (*gcov_flush1)() = (void (*)())dlsym(f1_handle, "__gcov_flush"); + if (gcov_flush1 == NULL) { + fprintf(stderr, "unable to find __gcov_flush in func.shared': %s\n", dlerror()); return EXIT_FAILURE; } - f1_flush(); dlerror(); - void (*f2_flush)() = (void (*)())dlsym(f2_handle, "llvm_gcov_flush"); - if (f2_flush == NULL) { - fprintf(stderr, "unable to find llvm_gcov_flush in func2.shared': %s\n", dlerror()); + void (*gcov_flush2)() = (void (*)())dlsym(f2_handle, "__gcov_flush"); + if (gcov_flush2 == NULL) { + fprintf(stderr, "unable to find __gcov_flush in func2.shared': %s\n", dlerror()); return EXIT_FAILURE; } - f2_flush(); - if (f1_flush == f2_flush) { - fprintf(stderr, "Same llvm_gcov_flush found in func.shared and func2.shared\n"); + if (gcov_flush1 == gcov_flush2) { + fprintf(stderr, "Same __gcov_flush found in func.shared and func2.shared\n"); return EXIT_FAILURE; } @@ -51,6 +70,17 @@ int main(int argc, char *argv[]) { return EXIT_FAILURE; } + func(); + + int g1 = 0; + int g2 = 0; + int n = 10; + + if (n % 5 == 0) + g1++; + else + g2++; + return EXIT_SUCCESS; } diff --git a/test/profile/Inputs/instrprof-dlopen-dlclose-main.c.gcov b/test/profile/Inputs/instrprof-dlopen-dlclose-main.c.gcov new file mode 100644 index 000000000..acb2076fd --- /dev/null +++ b/test/profile/Inputs/instrprof-dlopen-dlclose-main.c.gcov @@ -0,0 +1,91 @@ +// CHECK: -: 0:Source:{{.*}}Inputs/instrprof-dlopen-dlclose-main.c +// CHECK-NEXT: -: 0:Graph:instrprof-dlopen-dlclose-main.gcno +// CHECK-NEXT: -: 0:Data:instrprof-dlopen-dlclose-main.gcda +// CHECK-NEXT: -: 0:Runs:1 +// CHECK-NEXT: -: 0:Programs:1 +// CHECK-NEXT: -: 1:#include <dlfcn.h> +// CHECK-NEXT: -: 2:#include <stdio.h> +// CHECK-NEXT: -: 3:#include <stdlib.h> +// CHECK-NEXT: -: 4: +// CHECK-NEXT: -: 5:int main(int argc, char *argv[]) { +// CHECK-NEXT: 1: 6: dlerror(); +// CHECK-NEXT: 1: 7: void *f1_handle = dlopen("func.shared", RTLD_LAZY | RTLD_GLOBAL); +// CHECK-NEXT: 1: 8: if (f1_handle == NULL) { +// CHECK-NEXT: #####: 9: fprintf(stderr, "unable to open 'func.shared': %s\n", dlerror()); +// CHECK-NEXT: #####: 10: return EXIT_FAILURE; +// CHECK-NEXT: -: 11: } +// CHECK-NEXT: -: 12: +// CHECK-NEXT: 1: 13: void (*func)(void) = (void (*)(void))dlsym(f1_handle, "func"); +// CHECK-NEXT: 1: 14: if (func == NULL) { +// CHECK-NEXT: #####: 15: fprintf(stderr, "unable to lookup symbol 'func': %s\n", dlerror()); +// CHECK-NEXT: #####: 16: return EXIT_FAILURE; +// CHECK-NEXT: -: 17: } +// CHECK-NEXT: -: 18: +// CHECK-NEXT: 1: 19: dlerror(); +// CHECK-NEXT: 1: 20: void *f2_handle = dlopen("func2.shared", RTLD_LAZY | RTLD_GLOBAL); +// CHECK-NEXT: 1: 21: if (f2_handle == NULL) { +// CHECK-NEXT: #####: 22: fprintf(stderr, "unable to open 'func2.shared': %s\n", dlerror()); +// CHECK-NEXT: #####: 23: return EXIT_FAILURE; +// CHECK-NEXT: -: 24: } +// CHECK-NEXT: -: 25: +// CHECK-NEXT: 1: 26: void (*func2)(void) = (void (*)(void))dlsym(f2_handle, "func2"); +// CHECK-NEXT: 1: 27: if (func2 == NULL) { +// CHECK-NEXT: #####: 28: fprintf(stderr, "unable to lookup symbol 'func2': %s\n", dlerror()); +// CHECK-NEXT: #####: 29: return EXIT_FAILURE; +// CHECK-NEXT: -: 30: } +// CHECK-NEXT: 1: 31: func2(); +// CHECK-NEXT: -: 32: +// CHECK-NEXT: -: 33:#ifdef USE_LIB3 +// CHECK-NEXT: -: 34: void *f3_handle = dlopen("func3.shared", RTLD_LAZY | RTLD_GLOBAL); +// CHECK-NEXT: -: 35: if (f3_handle == NULL) { +// CHECK-NEXT: -: 36: fprintf(stderr, "unable to open 'func3.shared': %s\n", dlerror()); +// CHECK-NEXT: -: 37: return EXIT_FAILURE; +// CHECK-NEXT: -: 38: } +// CHECK-NEXT: -: 39: +// CHECK-NEXT: -: 40: void (*func3)(void) = (void (*)(void))dlsym(f3_handle, "func3"); +// CHECK-NEXT: -: 41: if (func3 == NULL) { +// CHECK-NEXT: -: 42: fprintf(stderr, "unable to lookup symbol 'func3': %s\n", dlerror()); +// CHECK-NEXT: -: 43: return EXIT_FAILURE; +// CHECK-NEXT: -: 44: } +// CHECK-NEXT: -: 45: func3(); +// CHECK-NEXT: -: 46:#endif +// CHECK-NEXT: -: 47: +// CHECK-NEXT: 1: 48: dlerror(); +// CHECK-NEXT: 1: 49: void (*gcov_flush1)() = (void (*)())dlsym(f1_handle, "__gcov_flush"); +// CHECK-NEXT: 1: 50: if (gcov_flush1 == NULL) { +// CHECK-NEXT: #####: 51: fprintf(stderr, "unable to find __gcov_flush in func.shared': %s\n", dlerror()); +// CHECK-NEXT: #####: 52: return EXIT_FAILURE; +// CHECK-NEXT: -: 53: } +// CHECK-NEXT: -: 54: +// CHECK-NEXT: 1: 55: dlerror(); +// CHECK-NEXT: 1: 56: void (*gcov_flush2)() = (void (*)())dlsym(f2_handle, "__gcov_flush"); +// CHECK-NEXT: 1: 57: if (gcov_flush2 == NULL) { +// CHECK-NEXT: #####: 58: fprintf(stderr, "unable to find __gcov_flush in func2.shared': %s\n", dlerror()); +// CHECK-NEXT: #####: 59: return EXIT_FAILURE; +// CHECK-NEXT: -: 60: } +// CHECK-NEXT: -: 61: +// CHECK-NEXT: 1: 62: if (gcov_flush1 == gcov_flush2) { +// CHECK-NEXT: #####: 63: fprintf(stderr, "Same __gcov_flush found in func.shared and func2.shared\n"); +// CHECK-NEXT: #####: 64: return EXIT_FAILURE; +// CHECK-NEXT: -: 65: } +// CHECK-NEXT: -: 66: +// CHECK-NEXT: 1: 67: dlerror(); +// CHECK-NEXT: 1: 68: if (dlclose(f2_handle) != 0) { +// CHECK-NEXT: #####: 69: fprintf(stderr, "unable to close 'func2.shared': %s\n", dlerror()); +// CHECK-NEXT: #####: 70: return EXIT_FAILURE; +// CHECK-NEXT: -: 71: } +// CHECK-NEXT: -: 72: +// CHECK-NEXT: 1: 73: func(); +// CHECK-NEXT: -: 74: +// CHECK-NEXT: 1: 75: int g1 = 0; +// CHECK-NEXT: 1: 76: int g2 = 0; +// CHECK-NEXT: 1: 77: int n = 10; +// CHECK-NEXT: -: 78: +// CHECK-NEXT: 1: 79: if (n % 5 == 0) +// CHECK-NEXT: 1: 80: g1++; +// CHECK-NEXT: -: 81: else +// CHECK-NEXT: #####: 82: g2++; +// CHECK-NEXT: -: 83: +// CHECK-NEXT: 1: 84: return EXIT_SUCCESS; +// CHECK-NEXT: 1: 85:} +// CHECK-NEXT: -: 86: diff --git a/test/profile/Inputs/instrprof-dlopen-dlclose-main_three-libs.c.gcov b/test/profile/Inputs/instrprof-dlopen-dlclose-main_three-libs.c.gcov new file mode 100644 index 000000000..97eef4c3b --- /dev/null +++ b/test/profile/Inputs/instrprof-dlopen-dlclose-main_three-libs.c.gcov @@ -0,0 +1,91 @@ +// CHECK: -: 0:Source:{{.*}}Inputs/instrprof-dlopen-dlclose-main.c +// CHECK-NEXT: -: 0:Graph:instrprof-dlopen-dlclose-main.gcno +// CHECK-NEXT: -: 0:Data:instrprof-dlopen-dlclose-main.gcda +// CHECK-NEXT: -: 0:Runs:1 +// CHECK-NEXT: -: 0:Programs:1 +// CHECK-NEXT: -: 1:#include <dlfcn.h> +// CHECK-NEXT: -: 2:#include <stdio.h> +// CHECK-NEXT: -: 3:#include <stdlib.h> +// CHECK-NEXT: -: 4: +// CHECK-NEXT: -: 5:int main(int argc, char *argv[]) { +// CHECK-NEXT: 1: 6: dlerror(); +// CHECK-NEXT: 1: 7: void *f1_handle = dlopen("func.shared", RTLD_LAZY | RTLD_GLOBAL); +// CHECK-NEXT: 1: 8: if (f1_handle == NULL) { +// CHECK-NEXT: #####: 9: fprintf(stderr, "unable to open 'func.shared': %s\n", dlerror()); +// CHECK-NEXT: #####: 10: return EXIT_FAILURE; +// CHECK-NEXT: -: 11: } +// CHECK-NEXT: -: 12: +// CHECK-NEXT: 1: 13: void (*func)(void) = (void (*)(void))dlsym(f1_handle, "func"); +// CHECK-NEXT: 1: 14: if (func == NULL) { +// CHECK-NEXT: #####: 15: fprintf(stderr, "unable to lookup symbol 'func': %s\n", dlerror()); +// CHECK-NEXT: #####: 16: return EXIT_FAILURE; +// CHECK-NEXT: -: 17: } +// CHECK-NEXT: -: 18: +// CHECK-NEXT: 1: 19: dlerror(); +// CHECK-NEXT: 1: 20: void *f2_handle = dlopen("func2.shared", RTLD_LAZY | RTLD_GLOBAL); +// CHECK-NEXT: 1: 21: if (f2_handle == NULL) { +// CHECK-NEXT: #####: 22: fprintf(stderr, "unable to open 'func2.shared': %s\n", dlerror()); +// CHECK-NEXT: #####: 23: return EXIT_FAILURE; +// CHECK-NEXT: -: 24: } +// CHECK-NEXT: -: 25: +// CHECK-NEXT: 1: 26: void (*func2)(void) = (void (*)(void))dlsym(f2_handle, "func2"); +// CHECK-NEXT: 1: 27: if (func2 == NULL) { +// CHECK-NEXT: #####: 28: fprintf(stderr, "unable to lookup symbol 'func2': %s\n", dlerror()); +// CHECK-NEXT: #####: 29: return EXIT_FAILURE; +// CHECK-NEXT: -: 30: } +// CHECK-NEXT: 1: 31: func2(); +// CHECK-NEXT: -: 32: +// CHECK-NEXT: -: 33:#ifdef USE_LIB3 +// CHECK-NEXT: 1: 34: void *f3_handle = dlopen("func3.shared", RTLD_LAZY | RTLD_GLOBAL); +// CHECK-NEXT: 1: 35: if (f3_handle == NULL) { +// CHECK-NEXT: #####: 36: fprintf(stderr, "unable to open 'func3.shared': %s\n", dlerror()); +// CHECK-NEXT: #####: 37: return EXIT_FAILURE; +// CHECK-NEXT: -: 38: } +// CHECK-NEXT: -: 39: +// CHECK-NEXT: 1: 40: void (*func3)(void) = (void (*)(void))dlsym(f3_handle, "func3"); +// CHECK-NEXT: 1: 41: if (func3 == NULL) { +// CHECK-NEXT: #####: 42: fprintf(stderr, "unable to lookup symbol 'func3': %s\n", dlerror()); +// CHECK-NEXT: #####: 43: return EXIT_FAILURE; +// CHECK-NEXT: -: 44: } +// CHECK-NEXT: 1: 45: func3(); +// CHECK-NEXT: -: 46:#endif +// CHECK-NEXT: -: 47: +// CHECK-NEXT: 1: 48: dlerror(); +// CHECK-NEXT: 1: 49: void (*gcov_flush1)() = (void (*)())dlsym(f1_handle, "__gcov_flush"); +// CHECK-NEXT: 1: 50: if (gcov_flush1 == NULL) { +// CHECK-NEXT: #####: 51: fprintf(stderr, "unable to find __gcov_flush in func.shared': %s\n", dlerror()); +// CHECK-NEXT: #####: 52: return EXIT_FAILURE; +// CHECK-NEXT: -: 53: } +// CHECK-NEXT: -: 54: +// CHECK-NEXT: 1: 55: dlerror(); +// CHECK-NEXT: 1: 56: void (*gcov_flush2)() = (void (*)())dlsym(f2_handle, "__gcov_flush"); +// CHECK-NEXT: 1: 57: if (gcov_flush2 == NULL) { +// CHECK-NEXT: #####: 58: fprintf(stderr, "unable to find __gcov_flush in func2.shared': %s\n", dlerror()); +// CHECK-NEXT: #####: 59: return EXIT_FAILURE; +// CHECK-NEXT: -: 60: } +// CHECK-NEXT: -: 61: +// CHECK-NEXT: 1: 62: if (gcov_flush1 == gcov_flush2) { +// CHECK-NEXT: #####: 63: fprintf(stderr, "Same __gcov_flush found in func.shared and func2.shared\n"); +// CHECK-NEXT: #####: 64: return EXIT_FAILURE; +// CHECK-NEXT: -: 65: } +// CHECK-NEXT: -: 66: +// CHECK-NEXT: 1: 67: dlerror(); +// CHECK-NEXT: 1: 68: if (dlclose(f2_handle) != 0) { +// CHECK-NEXT: #####: 69: fprintf(stderr, "unable to close 'func2.shared': %s\n", dlerror()); +// CHECK-NEXT: #####: 70: return EXIT_FAILURE; +// CHECK-NEXT: -: 71: } +// CHECK-NEXT: -: 72: +// CHECK-NEXT: 1: 73: func(); +// CHECK-NEXT: -: 74: +// CHECK-NEXT: 1: 75: int g1 = 0; +// CHECK-NEXT: 1: 76: int g2 = 0; +// CHECK-NEXT: 1: 77: int n = 10; +// CHECK-NEXT: -: 78: +// CHECK-NEXT: 1: 79: if (n % 5 == 0) +// CHECK-NEXT: 1: 80: g1++; +// CHECK-NEXT: -: 81: else +// CHECK-NEXT: #####: 82: g2++; +// CHECK-NEXT: -: 83: +// CHECK-NEXT: 1: 84: return EXIT_SUCCESS; +// CHECK-NEXT: 1: 85:} +// CHECK-NEXT: -: 86: diff --git a/test/profile/Inputs/instrprof-dlopen-func.c.gcov b/test/profile/Inputs/instrprof-dlopen-func.c.gcov new file mode 100644 index 000000000..5c7c7f1ca --- /dev/null +++ b/test/profile/Inputs/instrprof-dlopen-func.c.gcov @@ -0,0 +1,6 @@ +// CHECK: -: 0:Source:{{.*}}Inputs/instrprof-dlopen-func.c +// CHECK-NEXT: -: 0:Graph:instrprof-dlopen-func.gcno +// CHECK-NEXT: -: 0:Data:instrprof-dlopen-func.gcda +// CHECK-NEXT: -: 0:Runs:1 +// CHECK-NEXT: -: 0:Programs:1 +// CHECK-NEXT: 3: 1:void func(int K) { if (K) {} } diff --git a/test/profile/Inputs/instrprof-dlopen-func2.c.gcov b/test/profile/Inputs/instrprof-dlopen-func2.c.gcov new file mode 100644 index 000000000..5bfcf6f15 --- /dev/null +++ b/test/profile/Inputs/instrprof-dlopen-func2.c.gcov @@ -0,0 +1,6 @@ +// CHECK: -: 0:Source:{{.*}}Inputs/instrprof-dlopen-func2.c +// CHECK-NEXT: -: 0:Graph:instrprof-dlopen-func2.gcno +// CHECK-NEXT: -: 0:Data:instrprof-dlopen-func2.gcda +// CHECK-NEXT: -: 0:Runs:1 +// CHECK-NEXT: -: 0:Programs:1 +// CHECK-NEXT: 3: 1:void func2(int K) { if (K) {} } diff --git a/test/profile/Inputs/instrprof-dlopen-func3.c b/test/profile/Inputs/instrprof-dlopen-func3.c new file mode 100644 index 000000000..5785f46cc --- /dev/null +++ b/test/profile/Inputs/instrprof-dlopen-func3.c @@ -0,0 +1 @@ +void func3(int K) { if (K) {} } diff --git a/test/profile/Inputs/instrprof-dlopen-func3.c.gcov b/test/profile/Inputs/instrprof-dlopen-func3.c.gcov new file mode 100644 index 000000000..5bfcf6f15 --- /dev/null +++ b/test/profile/Inputs/instrprof-dlopen-func3.c.gcov @@ -0,0 +1,6 @@ +// CHECK: -: 0:Source:{{.*}}Inputs/instrprof-dlopen-func2.c +// CHECK-NEXT: -: 0:Graph:instrprof-dlopen-func2.gcno +// CHECK-NEXT: -: 0:Data:instrprof-dlopen-func2.gcda +// CHECK-NEXT: -: 0:Runs:1 +// CHECK-NEXT: -: 0:Programs:1 +// CHECK-NEXT: 3: 1:void func2(int K) { if (K) {} } diff --git a/test/profile/Inputs/instrprof-shared-lib.c.gcov b/test/profile/Inputs/instrprof-shared-lib.c.gcov new file mode 100644 index 000000000..fbc43d5f7 --- /dev/null +++ b/test/profile/Inputs/instrprof-shared-lib.c.gcov @@ -0,0 +1,14 @@ +// CHECK: -: 0:Source:{{.*}}Inputs/instrprof-shared-lib.c +// CHECK-NEXT: -: 0:Graph:instrprof-shared-lib.gcno +// CHECK-NEXT: -: 0:Data:instrprof-shared-lib.gcda +// CHECK-NEXT: -: 0:Runs:1 +// CHECK-NEXT: -: 0:Programs:1 +// CHECK-NEXT: -: 1:int g1 = 0; +// CHECK-NEXT: -: 2:int g2 = 1; +// CHECK-NEXT: -: 3: +// CHECK-NEXT: -: 4:void foo(int n) { +// CHECK-NEXT: 1: 5: if (n % 5 == 0) +// CHECK-NEXT: #####: 6: g1++; +// CHECK-NEXT: -: 7: else +// CHECK-NEXT: 1: 8: g2++; +// CHECK-NEXT: 1: 9:} diff --git a/test/profile/Inputs/instrprof-shared-lib_called-twice.c.gcov b/test/profile/Inputs/instrprof-shared-lib_called-twice.c.gcov new file mode 100644 index 000000000..779c885d8 --- /dev/null +++ b/test/profile/Inputs/instrprof-shared-lib_called-twice.c.gcov @@ -0,0 +1,14 @@ +// CHECK: -: 0:Source:{{.*}}Inputs/instrprof-shared-lib.c +// CHECK-NEXT: -: 0:Graph:instrprof-shared-lib.gcno +// CHECK-NEXT: -: 0:Data:instrprof-shared-lib.gcda +// CHECK-NEXT: -: 0:Runs:1 +// CHECK-NEXT: -: 0:Programs:1 +// CHECK-NEXT: -: 1:int g1 = 0; +// CHECK-NEXT: -: 2:int g2 = 1; +// CHECK-NEXT: -: 3: +// CHECK-NEXT: -: 4:void foo(int n) { +// CHECK-NEXT: 2: 5: if (n % 5 == 0) +// CHECK-NEXT: #####: 6: g1++; +// CHECK-NEXT: -: 7: else +// CHECK-NEXT: 2: 8: g2++; +// CHECK-NEXT: 2: 9:} diff --git a/test/profile/Inputs/instrprof-shared-lib_in-loop.c.gcov b/test/profile/Inputs/instrprof-shared-lib_in-loop.c.gcov new file mode 100644 index 000000000..76503d914 --- /dev/null +++ b/test/profile/Inputs/instrprof-shared-lib_in-loop.c.gcov @@ -0,0 +1,14 @@ +// CHECK: -: 0:Source:{{.*}}Inputs/instrprof-shared-lib.c +// CHECK-NEXT: -: 0:Graph:instrprof-shared-lib.gcno +// CHECK-NEXT: -: 0:Data:instrprof-shared-lib.gcda +// CHECK-NEXT: -: 0:Runs:1 +// CHECK-NEXT: -: 0:Programs:1 +// CHECK-NEXT: -: 1:int g1 = 0; +// CHECK-NEXT: -: 2:int g2 = 1; +// CHECK-NEXT: -: 3: +// CHECK-NEXT: -: 4:void foo(int n) { +// CHECK-NEXT: 1000000: 5: if (n % 5 == 0) +// CHECK-NEXT: 360000: 6: g1++; +// CHECK-NEXT: -: 7: else +// CHECK-NEXT: 640000: 8: g2++; +// CHECK-NEXT: 1000000: 9:} diff --git a/test/profile/Inputs/instrprof-shared-main-gcov-flush.c b/test/profile/Inputs/instrprof-shared-main-gcov-flush.c new file mode 100644 index 000000000..9f41b7e63 --- /dev/null +++ b/test/profile/Inputs/instrprof-shared-main-gcov-flush.c @@ -0,0 +1,36 @@ +extern void foo(int n); +extern void __gcov_flush(void); + +int bar1 = 0; +int bar2 = 1; + +void bar(int n) { + if (n % 5 == 0) + bar1++; + else + bar2++; +} + +int main(int argc, char *argv[]) { +#ifdef SHARED_CALL_BEFORE_GCOV_FLUSH + foo(1); +#endif + + bar(5); + + __gcov_flush(); + + bar(5); + +#ifdef SHARED_CALL_AFTER_GCOV_FLUSH + foo(1); +#endif + +#ifdef EXIT_ABRUPTLY + _exit(0); +#endif + + bar(5); + + return 0; +} diff --git a/test/profile/Inputs/instrprof-shared-main-gcov-flush_no-writeout.c.gcov b/test/profile/Inputs/instrprof-shared-main-gcov-flush_no-writeout.c.gcov new file mode 100644 index 000000000..b2dfe2acd --- /dev/null +++ b/test/profile/Inputs/instrprof-shared-main-gcov-flush_no-writeout.c.gcov @@ -0,0 +1,41 @@ +// CHECK: -: 0:Source:{{.*}}Inputs/instrprof-shared-main-gcov-flush.c +// CHECK-NEXT: -: 0:Graph:instrprof-shared-main-gcov-flush.gcno +// CHECK-NEXT: -: 0:Data:instrprof-shared-main-gcov-flush.gcda +// CHECK-NEXT: -: 0:Runs:1 +// CHECK-NEXT: -: 0:Programs:1 +// CHECK-NEXT: -: 1:extern void foo(int n); +// CHECK-NEXT: -: 2:extern void __gcov_flush(void); +// CHECK-NEXT: -: 3: +// CHECK-NEXT: -: 4:int bar1 = 0; +// CHECK-NEXT: -: 5:int bar2 = 1; +// CHECK-NEXT: -: 6: +// CHECK-NEXT: -: 7:void bar(int n) { +// CHECK-NEXT: 1: 8: if (n % 5 == 0) +// CHECK-NEXT: 1: 9: bar1++; +// CHECK-NEXT: -: 10: else +// CHECK-NEXT: #####: 11: bar2++; +// CHECK-NEXT: 1: 12:} +// CHECK-NEXT: -: 13: +// CHECK-NEXT: -: 14:int main(int argc, char *argv[]) { +// CHECK-NEXT: -: 15:#ifdef SHARED_CALL_BEFORE_GCOV_FLUSH +// CHECK-NEXT: 1: 16: foo(1); +// CHECK-NEXT: -: 17:#endif +// CHECK-NEXT: -: 18: +// CHECK-NEXT: 1: 19: bar(5); +// CHECK-NEXT: -: 20: +// CHECK-NEXT: 1: 21: __gcov_flush(); +// CHECK-NEXT: -: 22: +// CHECK-NEXT: 1: 23: bar(5); +// CHECK-NEXT: -: 24: +// CHECK-NEXT: -: 25:#ifdef SHARED_CALL_AFTER_GCOV_FLUSH +// CHECK-NEXT: 1: 26: foo(1); +// CHECK-NEXT: -: 27:#endif +// CHECK-NEXT: -: 28: +// CHECK-NEXT: -: 29:#ifdef EXIT_ABRUPTLY +// CHECK-NEXT: 1: 30: _exit(0); +// CHECK-NEXT: -: 31:#endif +// CHECK-NEXT: -: 32: +// CHECK-NEXT: -: 33: bar(5); +// CHECK-NEXT: -: 34: +// CHECK-NEXT: -: 35: return 0; +// CHECK-NEXT: #####: 36:} diff --git a/test/profile/Inputs/instrprof-shared-main-gcov-flush_shared-call-after.c.gcov b/test/profile/Inputs/instrprof-shared-main-gcov-flush_shared-call-after.c.gcov new file mode 100644 index 000000000..f70e34e52 --- /dev/null +++ b/test/profile/Inputs/instrprof-shared-main-gcov-flush_shared-call-after.c.gcov @@ -0,0 +1,41 @@ +// CHECK: -: 0:Source:{{.*}}Inputs/instrprof-shared-main-gcov-flush.c +// CHECK-NEXT: -: 0:Graph:instrprof-shared-main-gcov-flush.gcno +// CHECK-NEXT: -: 0:Data:instrprof-shared-main-gcov-flush.gcda +// CHECK-NEXT: -: 0:Runs:1 +// CHECK-NEXT: -: 0:Programs:1 +// CHECK-NEXT: -: 1:extern void foo(int n); +// CHECK-NEXT: -: 2:extern void __gcov_flush(void); +// CHECK-NEXT: -: 3: +// CHECK-NEXT: -: 4:int bar1 = 0; +// CHECK-NEXT: -: 5:int bar2 = 1; +// CHECK-NEXT: -: 6: +// CHECK-NEXT: -: 7:void bar(int n) { +// CHECK-NEXT: 3: 8: if (n % 5 == 0) +// CHECK-NEXT: 3: 9: bar1++; +// CHECK-NEXT: -: 10: else +// CHECK-NEXT: #####: 11: bar2++; +// CHECK-NEXT: 3: 12:} +// CHECK-NEXT: -: 13: +// CHECK-NEXT: -: 14:int main(int argc, char *argv[]) { +// CHECK-NEXT: -: 15:#ifdef SHARED_CALL_BEFORE_GCOV_FLUSH +// CHECK-NEXT: -: 16: foo(1); +// CHECK-NEXT: -: 17:#endif +// CHECK-NEXT: -: 18: +// CHECK-NEXT: 1: 19: bar(5); +// CHECK-NEXT: -: 20: +// CHECK-NEXT: 1: 21: __gcov_flush(); +// CHECK-NEXT: -: 22: +// CHECK-NEXT: 1: 23: bar(5); +// CHECK-NEXT: -: 24: +// CHECK-NEXT: -: 25:#ifdef SHARED_CALL_AFTER_GCOV_FLUSH +// CHECK-NEXT: 1: 26: foo(1); +// CHECK-NEXT: -: 27:#endif +// CHECK-NEXT: -: 28: +// CHECK-NEXT: -: 29:#ifdef EXIT_ABRUPTLY +// CHECK-NEXT: -: 30: _exit(0); +// CHECK-NEXT: -: 31:#endif +// CHECK-NEXT: -: 32: +// CHECK-NEXT: 1: 33: bar(5); +// CHECK-NEXT: -: 34: +// CHECK-NEXT: 1: 35: return 0; +// CHECK-NEXT: -: 36:} diff --git a/test/profile/Inputs/instrprof-shared-main-gcov-flush_shared-call-before-after.c.gcov b/test/profile/Inputs/instrprof-shared-main-gcov-flush_shared-call-before-after.c.gcov new file mode 100644 index 000000000..b9ecff698 --- /dev/null +++ b/test/profile/Inputs/instrprof-shared-main-gcov-flush_shared-call-before-after.c.gcov @@ -0,0 +1,41 @@ +// CHECK: -: 0:Source:{{.*}}Inputs/instrprof-shared-main-gcov-flush.c +// CHECK-NEXT: -: 0:Graph:instrprof-shared-main-gcov-flush.gcno +// CHECK-NEXT: -: 0:Data:instrprof-shared-main-gcov-flush.gcda +// CHECK-NEXT: -: 0:Runs:1 +// CHECK-NEXT: -: 0:Programs:1 +// CHECK-NEXT: -: 1:extern void foo(int n); +// CHECK-NEXT: -: 2:extern void __gcov_flush(void); +// CHECK-NEXT: -: 3: +// CHECK-NEXT: -: 4:int bar1 = 0; +// CHECK-NEXT: -: 5:int bar2 = 1; +// CHECK-NEXT: -: 6: +// CHECK-NEXT: -: 7:void bar(int n) { +// CHECK-NEXT: 3: 8: if (n % 5 == 0) +// CHECK-NEXT: 3: 9: bar1++; +// CHECK-NEXT: -: 10: else +// CHECK-NEXT: #####: 11: bar2++; +// CHECK-NEXT: 3: 12:} +// CHECK-NEXT: -: 13: +// CHECK-NEXT: -: 14:int main(int argc, char *argv[]) { +// CHECK-NEXT: -: 15:#ifdef SHARED_CALL_BEFORE_GCOV_FLUSH +// CHECK-NEXT: 1: 16: foo(1); +// CHECK-NEXT: -: 17:#endif +// CHECK-NEXT: -: 18: +// CHECK-NEXT: 1: 19: bar(5); +// CHECK-NEXT: -: 20: +// CHECK-NEXT: 1: 21: __gcov_flush(); +// CHECK-NEXT: -: 22: +// CHECK-NEXT: 1: 23: bar(5); +// CHECK-NEXT: -: 24: +// CHECK-NEXT: -: 25:#ifdef SHARED_CALL_AFTER_GCOV_FLUSH +// CHECK-NEXT: 1: 26: foo(1); +// CHECK-NEXT: -: 27:#endif +// CHECK-NEXT: -: 28: +// CHECK-NEXT: -: 29:#ifdef EXIT_ABRUPTLY +// CHECK-NEXT: -: 30: _exit(0); +// CHECK-NEXT: -: 31:#endif +// CHECK-NEXT: -: 32: +// CHECK-NEXT: 1: 33: bar(5); +// CHECK-NEXT: -: 34: +// CHECK-NEXT: 1: 35: return 0; +// CHECK-NEXT: -: 36:} diff --git a/test/profile/Inputs/instrprof-shared-main-gcov-flush_shared-call-before.c.gcov b/test/profile/Inputs/instrprof-shared-main-gcov-flush_shared-call-before.c.gcov new file mode 100644 index 000000000..7c9e0afa1 --- /dev/null +++ b/test/profile/Inputs/instrprof-shared-main-gcov-flush_shared-call-before.c.gcov @@ -0,0 +1,41 @@ +// CHECK: -: 0:Source:{{.*}}Inputs/instrprof-shared-main-gcov-flush.c +// CHECK-NEXT: -: 0:Graph:instrprof-shared-main-gcov-flush.gcno +// CHECK-NEXT: -: 0:Data:instrprof-shared-main-gcov-flush.gcda +// CHECK-NEXT: -: 0:Runs:1 +// CHECK-NEXT: -: 0:Programs:1 +// CHECK-NEXT: -: 1:extern void foo(int n); +// CHECK-NEXT: -: 2:extern void __gcov_flush(void); +// CHECK-NEXT: -: 3: +// CHECK-NEXT: -: 4:int bar1 = 0; +// CHECK-NEXT: -: 5:int bar2 = 1; +// CHECK-NEXT: -: 6: +// CHECK-NEXT: -: 7:void bar(int n) { +// CHECK-NEXT: 3: 8: if (n % 5 == 0) +// CHECK-NEXT: 3: 9: bar1++; +// CHECK-NEXT: -: 10: else +// CHECK-NEXT: #####: 11: bar2++; +// CHECK-NEXT: 3: 12:} +// CHECK-NEXT: -: 13: +// CHECK-NEXT: -: 14:int main(int argc, char *argv[]) { +// CHECK-NEXT: -: 15:#ifdef SHARED_CALL_BEFORE_GCOV_FLUSH +// CHECK-NEXT: 1: 16: foo(1); +// CHECK-NEXT: -: 17:#endif +// CHECK-NEXT: -: 18: +// CHECK-NEXT: 1: 19: bar(5); +// CHECK-NEXT: -: 20: +// CHECK-NEXT: 1: 21: __gcov_flush(); +// CHECK-NEXT: -: 22: +// CHECK-NEXT: 1: 23: bar(5); +// CHECK-NEXT: -: 24: +// CHECK-NEXT: -: 25:#ifdef SHARED_CALL_AFTER_GCOV_FLUSH +// CHECK-NEXT: -: 26: foo(1); +// CHECK-NEXT: -: 27:#endif +// CHECK-NEXT: -: 28: +// CHECK-NEXT: -: 29:#ifdef EXIT_ABRUPTLY +// CHECK-NEXT: -: 30: _exit(0); +// CHECK-NEXT: -: 31:#endif +// CHECK-NEXT: -: 32: +// CHECK-NEXT: 1: 33: bar(5); +// CHECK-NEXT: -: 34: +// CHECK-NEXT: 1: 35: return 0; +// CHECK-NEXT: -: 36:} diff --git a/test/profile/Inputs/instrprof-shared-main.c.gcov b/test/profile/Inputs/instrprof-shared-main.c.gcov new file mode 100644 index 000000000..70be36750 --- /dev/null +++ b/test/profile/Inputs/instrprof-shared-main.c.gcov @@ -0,0 +1,18 @@ +// CHECK: -: 0:Source:{{.*}}Inputs/instrprof-shared-main.c +// CHECK-NEXT: -: 0:Graph:instrprof-shared-main.gcno +// CHECK-NEXT: -: 0:Data:instrprof-shared-main.gcda +// CHECK-NEXT: -: 0:Runs:1 +// CHECK-NEXT: -: 0:Programs:1 +// CHECK-NEXT: -: 1:extern int g1, g2; +// CHECK-NEXT: -: 2:extern void foo(int n); +// CHECK-NEXT: -: 3: +// CHECK-NEXT: -: 4:int main() { +// CHECK-NEXT: -: 5: int i, j; +// CHECK-NEXT: 2002: 6: for (i = 0; i < 1000; i++) +// CHECK-NEXT: 2002000: 7: for (j = 0; j < 1000; j++) +// CHECK-NEXT: 1001000: 8: foo(i * j); +// CHECK-NEXT: -: 9: +// CHECK-NEXT: 1: 10: if (g2 - g1 == 280001) +// CHECK-NEXT: 1: 11: return 0; +// CHECK-NEXT: #####: 12: return 1; +// CHECK-NEXT: 1: 13:} diff --git a/test/profile/instrprof-dlopen-dlclose-gcov.test b/test/profile/instrprof-dlopen-dlclose-gcov.test index a785fe32d..0444fca26 100644 --- a/test/profile/instrprof-dlopen-dlclose-gcov.test +++ b/test/profile/instrprof-dlopen-dlclose-gcov.test @@ -1,6 +1,30 @@ RUN: mkdir -p %t.d -RUN: %clang --coverage -o %t.d/func.shared -fPIC -shared %S/Inputs/instrprof-dlopen-func.c -RUN: %clang --coverage -o %t.d/func2.shared -fPIC -shared %S/Inputs/instrprof-dlopen-func2.c +RUN: cd %t.d + +RUN: %clang --coverage -o func.shared -fPIC -shared %S/Inputs/instrprof-dlopen-func.c +RUN: %clang --coverage -o func2.shared -fPIC -shared %S/Inputs/instrprof-dlopen-func2.c +RUN: %clang --coverage -o func3.shared -fPIC -shared %S/Inputs/instrprof-dlopen-func3.c RUN: %clang --coverage -o %t -fPIC -rpath %t.d %S/Inputs/instrprof-dlopen-dlclose-main.c +# Test with two dlopened libraries. +RUN: %run %t +RUN: llvm-cov gcov instrprof-dlopen-dlclose-main.gcda +RUN: FileCheck --match-full-lines --strict-whitespace --input-file instrprof-dlopen-dlclose-main.c.gcov %S/Inputs/instrprof-dlopen-dlclose-main.c.gcov +RUN: llvm-cov gcov instrprof-dlopen-func.gcda +RUN: FileCheck --match-full-lines --strict-whitespace --input-file instrprof-dlopen-func.c.gcov %S/Inputs/instrprof-dlopen-func.c.gcov +RUN: llvm-cov gcov instrprof-dlopen-func2.gcda +RUN: FileCheck --match-full-lines --strict-whitespace --input-file instrprof-dlopen-func2.c.gcov %S/Inputs/instrprof-dlopen-func2.c.gcov +RUN: rm instrprof-dlopen-dlclose-main.gcda instrprof-dlopen-func.gcda instrprof-dlopen-func2.gcda + +# Test with three dlopened libraries. +RUN: %clang -DUSE_LIB3 --coverage -o %t -fPIC -rpath %t.d %S/Inputs/instrprof-dlopen-dlclose-main.c RUN: %run %t +RUN: llvm-cov gcov instrprof-dlopen-dlclose-main.gcda +RUN: FileCheck --match-full-lines --strict-whitespace --input-file instrprof-dlopen-dlclose-main.c.gcov %S/Inputs/instrprof-dlopen-dlclose-main_three-libs.c.gcov +RUN: llvm-cov gcov instrprof-dlopen-func.gcda +RUN: FileCheck --match-full-lines --strict-whitespace --input-file instrprof-dlopen-func.c.gcov %S/Inputs/instrprof-dlopen-func.c.gcov +RUN: llvm-cov gcov instrprof-dlopen-func2.gcda +RUN: FileCheck --match-full-lines --strict-whitespace --input-file instrprof-dlopen-func2.c.gcov %S/Inputs/instrprof-dlopen-func2.c.gcov +RUN: llvm-cov gcov instrprof-dlopen-func3.gcda +RUN: FileCheck --match-full-lines --strict-whitespace --input-file instrprof-dlopen-func2.c.gcov %S/Inputs/instrprof-dlopen-func3.c.gcov +RUN: rm instrprof-dlopen-dlclose-main.gcda instrprof-dlopen-func.gcda instrprof-dlopen-func2.gcda instrprof-dlopen-func3.gcda diff --git a/test/profile/instrprof-gcov-two-objects.test b/test/profile/instrprof-gcov-two-objects.test new file mode 100644 index 000000000..a53d51dce --- /dev/null +++ b/test/profile/instrprof-gcov-two-objects.test @@ -0,0 +1,18 @@ +RUN: mkdir -p %t.d +RUN: cd %t.d + +RUN: %clang --coverage -o instrprof-shared-lib.o -c %S/Inputs/instrprof-shared-lib.c +RUN: test -f instrprof-shared-lib.gcno + +RUN: %clang --coverage -o instrprof-shared-main.o -c %S/Inputs/instrprof-shared-main.c +RUN: test -f instrprof-shared-main.gcno + +RUN: %clang --coverage -o %t instrprof-shared-main.o instrprof-shared-lib.o +RUN: test -f %t + +RUN: %run %t +RUN: llvm-cov gcov instrprof-shared-main.gcda +RUN: FileCheck --match-full-lines --strict-whitespace --input-file instrprof-shared-main.c.gcov %S/Inputs/instrprof-shared-main.c.gcov +RUN: llvm-cov gcov instrprof-shared-lib.gcda +RUN: FileCheck --match-full-lines --strict-whitespace --input-file instrprof-shared-lib.c.gcov %S/Inputs/instrprof-shared-lib_in-loop.c.gcov +RUN: rm instrprof-shared-main.gcda instrprof-shared-lib.gcda diff --git a/test/profile/instrprof-shared-gcov-flush.test b/test/profile/instrprof-shared-gcov-flush.test new file mode 100644 index 000000000..33bcc275f --- /dev/null +++ b/test/profile/instrprof-shared-gcov-flush.test @@ -0,0 +1,49 @@ +RUN: mkdir -p %t.d +RUN: cd %t.d + +RUN: %clang --coverage -o libfunc.so -fPIC -shared %S/Inputs/instrprof-shared-lib.c +RUN: test -f instrprof-shared-lib.gcno + +# Test the case where we exit abruptly after calling __gcov_flush, which means we don't write out the counters at exit. +RUN: %clang -DEXIT_ABRUPTLY -DSHARED_CALL_BEFORE_GCOV_FLUSH -DSHARED_CALL_AFTER_GCOV_FLUSH --coverage -o %t -L%t.d -rpath %t.d -lfunc %S/Inputs/instrprof-shared-main-gcov-flush.c +RUN: test -f instrprof-shared-main-gcov-flush.gcno + +RUN: %run %t +RUN: llvm-cov gcov instrprof-shared-main-gcov-flush.gcda +RUN: FileCheck --match-full-lines --strict-whitespace --input-file instrprof-shared-main-gcov-flush.c.gcov %S/Inputs/instrprof-shared-main-gcov-flush_no-writeout.c.gcov +RUN: llvm-cov gcov instrprof-shared-lib.gcda +RUN: FileCheck --match-full-lines --strict-whitespace --input-file instrprof-shared-lib.c.gcov %S/Inputs/instrprof-shared-lib.c.gcov +RUN: rm instrprof-shared-main-gcov-flush.gcda instrprof-shared-lib.gcda + +# Test the case where we exit normally and we have a call to the shared library function before __gcov_flush. +RUN: %clang -DSHARED_CALL_BEFORE_GCOV_FLUSH --coverage -o %t -L%t.d -rpath %t.d -lfunc %S/Inputs/instrprof-shared-main-gcov-flush.c +RUN: test -f instrprof-shared-main-gcov-flush.gcno + +RUN: %run %t +RUN: llvm-cov gcov instrprof-shared-main-gcov-flush.gcda +RUN: FileCheck --match-full-lines --strict-whitespace --input-file instrprof-shared-main-gcov-flush.c.gcov %S/Inputs/instrprof-shared-main-gcov-flush_shared-call-before.c.gcov +RUN: llvm-cov gcov instrprof-shared-lib.gcda +RUN: FileCheck --match-full-lines --strict-whitespace --input-file instrprof-shared-lib.c.gcov %S/Inputs/instrprof-shared-lib.c.gcov +RUN: rm instrprof-shared-main-gcov-flush.gcda instrprof-shared-lib.gcda + +# Test the case where we exit normally and we have a call to the shared library function after __gcov_flush. +RUN: %clang -DSHARED_CALL_AFTER_GCOV_FLUSH --coverage -o %t -L%t.d -rpath %t.d -lfunc %S/Inputs/instrprof-shared-main-gcov-flush.c +RUN: test -f instrprof-shared-main-gcov-flush.gcno + +RUN: %run %t +RUN: llvm-cov gcov instrprof-shared-main-gcov-flush.gcda +RUN: FileCheck --match-full-lines --strict-whitespace --input-file instrprof-shared-main-gcov-flush.c.gcov %S/Inputs/instrprof-shared-main-gcov-flush_shared-call-after.c.gcov +RUN: llvm-cov gcov instrprof-shared-lib.gcda +RUN: FileCheck --match-full-lines --strict-whitespace --input-file instrprof-shared-lib.c.gcov %S/Inputs/instrprof-shared-lib.c.gcov +RUN: rm instrprof-shared-main-gcov-flush.gcda instrprof-shared-lib.gcda + +# Test the case where we exit normally and we have calls to the shared library function before and after __gcov_flush. +RUN: %clang -DSHARED_CALL_BEFORE_GCOV_FLUSH -DSHARED_CALL_AFTER_GCOV_FLUSH --coverage -o %t -L%t.d -rpath %t.d -lfunc %S/Inputs/instrprof-shared-main-gcov-flush.c +RUN: test -f instrprof-shared-main-gcov-flush.gcno + +RUN: %run %t +RUN: llvm-cov gcov instrprof-shared-main-gcov-flush.gcda +RUN: FileCheck --match-full-lines --strict-whitespace --input-file instrprof-shared-main-gcov-flush.c.gcov %S/Inputs/instrprof-shared-main-gcov-flush_shared-call-before-after.c.gcov +RUN: llvm-cov gcov instrprof-shared-lib.gcda +RUN: FileCheck --match-full-lines --strict-whitespace --input-file instrprof-shared-lib.c.gcov %S/Inputs/instrprof-shared-lib_called-twice.c.gcov +RUN: rm instrprof-shared-main-gcov-flush.gcda instrprof-shared-lib.gcda |