From a082866db76d04db4e9dd2d6af45a2f9c20d1fa9 Mon Sep 17 00:00:00 2001 From: vries Date: Mon, 22 Jun 2015 16:26:00 +0000 Subject: Verify dominators in early-out calculate_dominance_info 2015-06-22 Tom de Vries * dominance.c (calculate_dominance_info): Verify dominators if early-out. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@224744 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 5 +++++ gcc/dominance.c | 7 ++++++- 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0b3ea81c7d3..0817d2444cb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2015-06-22 Tom de Vries + + * dominance.c (calculate_dominance_info): Verify dominators if + early-out. + 2015-06-22 Marek Polacek * match.pd ((x ^ y) ^ (x | y) -> x & y, diff --git a/gcc/dominance.c b/gcc/dominance.c index a9e042ef4b5..9c66ca234f9 100644 --- a/gcc/dominance.c +++ b/gcc/dominance.c @@ -646,7 +646,12 @@ calculate_dominance_info (enum cdi_direction dir) bool reverse = (dir == CDI_POST_DOMINATORS) ? true : false; if (dom_computed[dir_index] == DOM_OK) - return; + { +#if ENABLE_CHECKING + verify_dominators (CDI_DOMINATORS); +#endif + return; + } timevar_push (TV_DOMINANCE); if (!dom_info_available_p (dir)) -- cgit v1.2.1