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| author | Rong Xu <xur@google.com> | 2014-10-27 14:01:25 -0700 |
|---|---|---|
| committer | Rong Xu <xur@google.com> | 2014-10-27 14:01:25 -0700 |
| commit | ab0bb7b89f358e00e28155be52ff96e25947f761 (patch) | |
| tree | 10aae2ebb082e24e326ca0d1497c3f69666ca0e3 /gcc-4.9 | |
| parent | c5748954561f492fe1c4ea772e0290079af9960b (diff) | |
| download | toolchain_gcc-ab0bb7b89f358e00e28155be52ff96e25947f761.tar.gz toolchain_gcc-ab0bb7b89f358e00e28155be52ff96e25947f761.tar.bz2 toolchain_gcc-ab0bb7b89f358e00e28155be52ff96e25947f761.zip | |
[4.9] Fix GCC4.9 segfaults with -fauto-profile and -Os
Backport r216292 from google/gcc-4_9 branch: Move update_ssa
after vpt transformation.
BUG=17997360
Change-Id: Iae9e15be6ff5655b1514e349c55f05647388df36
Diffstat (limited to 'gcc-4.9')
| -rw-r--r-- | gcc-4.9/gcc/auto-profile.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/gcc-4.9/gcc/auto-profile.c b/gcc-4.9/gcc/auto-profile.c index 11c20164e..c69c1e68c 100644 --- a/gcc-4.9/gcc/auto-profile.c +++ b/gcc-4.9/gcc/auto-profile.c @@ -1674,7 +1674,14 @@ afdo_annotate_cfg (const stmt_set &promoted_stmts) counts_to_freqs (); } if (flag_value_profile_transformations) - gimple_value_profile_transformations (); + { + gimple_value_profile_transformations (); + free_dominance_info (CDI_DOMINATORS); + free_dominance_info (CDI_POST_DOMINATORS); + calculate_dominance_info (CDI_POST_DOMINATORS); + calculate_dominance_info (CDI_DOMINATORS); + update_ssa (TODO_update_ssa); + } } /* Wrapper function to invoke early inliner. */ @@ -1756,7 +1763,6 @@ auto_profile (void) early_inline (); autofdo::afdo_annotate_cfg (promoted_stmts); compute_function_frequency (); - update_ssa (TODO_update_ssa); /* Local pure-const may imply need to fixup the cfg. */ if (execute_fixup_cfg () & TODO_cleanup_cfg) |