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| author | dpatel <dpatel@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-08-16 20:54:43 +0000 |
|---|---|---|
| committer | dpatel <dpatel@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-08-16 20:54:43 +0000 |
| commit | 9423c9b7944dd4c5a00dec30929a9af4608abedc (patch) | |
| tree | 58140b66c92905176d0b282d72e2e415ec6301bb /gcc/testsuite/gcc.dg/darwin-20040812-1.c | |
| parent | a021a5a651999cf512165dedb8de3fef5377890d (diff) | |
| download | gcc-9423c9b7944dd4c5a00dec30929a9af4608abedc.tar.gz | |
* c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
* print-tree.c (print_node): Print DECL_PRESERVE_P.
* target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
(TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
* target.h (struct gcc_target): New member, mark_decl_preserved.
* hooks.c (hook_void_charptr): Rename to ...
(hook_void_constcharptr): ... new name.
* hooks.h (hook_void_charptr): Rename to ..
(hook_void_constcharptr): ... new name.
* tree.h (DECL_PRESERVE_P): New #define.
(struct tree_decl): New member, preserve_flag.
* varasm.c (assemble_start_function): Mark decl preserved.
(assemble_variable): Same.
* darwin.c (darwin_mark_decl_preserved): New function.
* darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
* darwin-protos.h (darwin_mark_decl_preserved): New decl.
* doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
testsuite:
* gcc.dg/darwin-20040809-1.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@86076 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/testsuite/gcc.dg/darwin-20040812-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/darwin-20040812-1.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/darwin-20040812-1.c b/gcc/testsuite/gcc.dg/darwin-20040812-1.c new file mode 100644 index 00000000000..9b2b79429c6 --- /dev/null +++ b/gcc/testsuite/gcc.dg/darwin-20040812-1.c @@ -0,0 +1,24 @@ +/* Test dead code strip support. */ +/* Contributed by Devang Patel <dpatel@apple.com> */ + +/* { dg-do compile } */ + +const char my_version_string[] __attribute__((__used__)) + = "Do not remove this string\n"; + + static int + __attribute__((__used__)) + static_debug_routine() +{ + int i; + i = 42; +} + +int +main () +{ + return 0; +} + +/* { dg-final { scan-assembler ".no_dead_strip _my_version_string" } } */ +/* { dg-final { scan-assembler ".no_dead_strip _static_debug_routine" } } */ |