diff options
| author | Erick Ochoa <erick.ochoa@theobroma-systems.com> | 2020-03-09 12:38:58 +0100 |
|---|---|---|
| committer | Erick Ochoa <erick.ochoa@theobroma-systems.com> | 2020-04-28 23:35:48 +0200 |
| commit | e03585e86ff1ee055c5350be4ec9754cecb97fb1 (patch) | |
| tree | 185e16d2a3370a2a2d5d6e16b58540dfc88e7f65 | |
| parent | 5f9159551a2e2b60b20c1e2a2e76052d0f06c6b7 (diff) | |
Find out if function escapes
| -rw-r--r-- | gcc/ipa-hello-world.c | 21 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/ipa/ipa-ea-07-function-escapes-0.c | 23 |
2 files changed, 44 insertions, 0 deletions
diff --git a/gcc/ipa-hello-world.c b/gcc/ipa-hello-world.c index e5f69308e3c..85092f85453 100644 --- a/gcc/ipa-hello-world.c +++ b/gcc/ipa-hello-world.c @@ -210,6 +210,26 @@ is_variable_escaping(varpool_node *vnode) return vnode->externally_visible; } +static bool +is_function_escaping(cgraph_node *cnode) +{ + gcc_assert(cnode); + return cnode->externally_visible; +} + +void +is_any_function_escaping(type_map &escape_map) +{ + cgraph_node *cnode = NULL; + FOR_EACH_FUNCTION (cnode) + { + log("function name = %s\n", cnode->name()); + bool is_escaping = is_function_escaping(cnode); + log("function %s is escaping %s\n", cnode->name(), is_escaping ? "true" : "false"); + + } +} + void is_any_variable_escaping(type_map &escape_map) { @@ -237,6 +257,7 @@ iphw_execute() type_map escape_map; collect_types(escape_map); is_any_variable_escaping(escape_map); + is_any_function_escaping(escape_map); print_types(escape_map); return 0; } diff --git a/gcc/testsuite/gcc.dg/ipa/ipa-ea-07-function-escapes-0.c b/gcc/testsuite/gcc.dg/ipa/ipa-ea-07-function-escapes-0.c new file mode 100644 index 00000000000..0e76135d984 --- /dev/null +++ b/gcc/testsuite/gcc.dg/ipa/ipa-ea-07-function-escapes-0.c @@ -0,0 +1,23 @@ +/* { dg-do link } */ +/* { dg-options "-flto -fipa-hello-world -fdump-ipa-hello-world" } */ +/* { dg-require-effective-target lto } */ + + +#include <stddef.h> + +__attribute__((externally_visible)) void escaping() +{ +} + +void non_escaping() +{ +} + +int main() +{ +} + + +/* { dg-final { scan-wpa-ipa-dump "function escaping is escaping true" "hello-world" } } */ +/* { dg-final { scan-wpa-ipa-dump "function main is escaping true" "hello-world" } } */ +/* { dg-final { scan-wpa-ipa-dump "function non_escaping is escaping false" "hello-world" } } */ |