From 75b226408d2c03ebf1e2e15fa9fb93fcd7a2393d Mon Sep 17 00:00:00 2001 From: Zdenek Dvorak Date: Fri, 31 Aug 2007 17:34:45 +0200 Subject: [PATCH] re PR rtl-optimization/33224 (failing rtl iv analysis (maybe due to df)) PR rtl-optimization/33224 * loop-iv.c (latch_dominating_def): Check that the definition belongs to the analysed region. From-SVN: r127996 --- gcc/ChangeLog | 6 ++++++ gcc/loop-iv.c | 3 ++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9156b9d..35696ce 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2007-08-31 Zdenek Dvorak + + PR rtl-optimization/33224 + * loop-iv.c (latch_dominating_def): Check that the definition belongs + to the analysed region. + 2007-08-31 Richard Guenther * function.c (allocate_struct_function): Do not set diff --git a/gcc/loop-iv.c b/gcc/loop-iv.c index 81e9a56..3e1b5db 100644 --- a/gcc/loop-iv.c +++ b/gcc/loop-iv.c @@ -301,7 +301,8 @@ latch_dominating_def (rtx reg, struct df_ref **def) for (adef = DF_REG_DEF_CHAIN (regno); adef; adef = adef->next_reg) { - if (!bitmap_bit_p (bb_info->out, DF_REF_ID (adef))) + if (!bitmap_bit_p (df->blocks_to_analyze, DF_REF_BB (adef)->index) + || !bitmap_bit_p (bb_info->out, DF_REF_ID (adef))) continue; /* More than one reaching definition. */ -- 2.7.4