diff options
| author | Jakub Jelinek <jakub@redhat.com> | 2019-12-14 12:18:30 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2019-12-14 12:18:30 +0100 |
| commit | 813b70a17b0cf8056b3005c3cdb882d522e02d84 (patch) | |
| tree | 37d01f0b397988d737fc3e26b8d910095621a90c /gcc/ipa-pure-const.c | |
| parent | 4e62faf211557e6b469df749cc9612b6289f4f7e (diff) | |
re PR tree-optimization/92930 (GCC incorrectly optimizes away __builtin_apply() calls)
PR tree-optimization/92930
* ipa-pure-const.c (special_builtin_state): Don't handle
BUILT_IN_APPLY. Formatting fixes.
(check_call): Formatting fixes.
* gcc.dg/tree-ssa/pr92930.c: New test.
From-SVN: r279394
Diffstat (limited to 'gcc/ipa-pure-const.c')
| -rw-r--r-- | gcc/ipa-pure-const.c | 56 |
1 files changed, 28 insertions, 28 deletions
diff --git a/gcc/ipa-pure-const.c b/gcc/ipa-pure-const.c index a142e0cc8f6..58ab668009a 100644 --- a/gcc/ipa-pure-const.c +++ b/gcc/ipa-pure-const.c @@ -511,35 +511,34 @@ worse_state (enum pure_const_state_e *state, bool *looping, but function using them is. */ static bool special_builtin_state (enum pure_const_state_e *state, bool *looping, - tree callee) + tree callee) { if (DECL_BUILT_IN_CLASS (callee) == BUILT_IN_NORMAL) switch (DECL_FUNCTION_CODE (callee)) { - case BUILT_IN_RETURN: - case BUILT_IN_UNREACHABLE: - CASE_BUILT_IN_ALLOCA: - case BUILT_IN_STACK_SAVE: - case BUILT_IN_STACK_RESTORE: - case BUILT_IN_EH_POINTER: - case BUILT_IN_EH_FILTER: - case BUILT_IN_UNWIND_RESUME: - case BUILT_IN_CXA_END_CLEANUP: - case BUILT_IN_EH_COPY_VALUES: - case BUILT_IN_FRAME_ADDRESS: - case BUILT_IN_APPLY: - case BUILT_IN_APPLY_ARGS: - case BUILT_IN_ASAN_BEFORE_DYNAMIC_INIT: - case BUILT_IN_ASAN_AFTER_DYNAMIC_INIT: - *looping = false; - *state = IPA_CONST; - return true; - case BUILT_IN_PREFETCH: - *looping = true; - *state = IPA_CONST; - return true; - default: - break; + case BUILT_IN_RETURN: + case BUILT_IN_UNREACHABLE: + CASE_BUILT_IN_ALLOCA: + case BUILT_IN_STACK_SAVE: + case BUILT_IN_STACK_RESTORE: + case BUILT_IN_EH_POINTER: + case BUILT_IN_EH_FILTER: + case BUILT_IN_UNWIND_RESUME: + case BUILT_IN_CXA_END_CLEANUP: + case BUILT_IN_EH_COPY_VALUES: + case BUILT_IN_FRAME_ADDRESS: + case BUILT_IN_APPLY_ARGS: + case BUILT_IN_ASAN_BEFORE_DYNAMIC_INIT: + case BUILT_IN_ASAN_AFTER_DYNAMIC_INIT: + *looping = false; + *state = IPA_CONST; + return true; + case BUILT_IN_PREFETCH: + *looping = true; + *state = IPA_CONST; + return true; + default: + break; } return false; } @@ -624,9 +623,10 @@ check_call (funct_state local, gcall *call, bool ipa) case BUILT_IN_LONGJMP: case BUILT_IN_NONLOCAL_GOTO: if (dump_file) - fprintf (dump_file, " longjmp and nonlocal goto is not const/pure\n"); + fprintf (dump_file, + " longjmp and nonlocal goto is not const/pure\n"); local->pure_const_state = IPA_NEITHER; - local->looping = true; + local->looping = true; break; default: break; @@ -1532,7 +1532,7 @@ propagate_pure_const (void) } } else if (special_builtin_state (&edge_state, &edge_looping, - y->decl)) + y->decl)) ; else state_from_flags (&edge_state, &edge_looping, |