From 4c533e5afee14d141caa6da2774857d6a65177c2 Mon Sep 17 00:00:00 2001 From: Zdenek Dvorak Date: Sun, 16 Nov 2008 05:48:25 +0100 Subject: [PATCH] re PR tree-optimization/37950 (failure in polyhedron benchmark when ftree-parallelize-loops is enabled) PR tree-optimization/37950 * tree-flow-inline.h (memory_partition): Return NULL when aliases were not computed for the current function. From-SVN: r141911 --- gcc/ChangeLog | 6 ++++++ gcc/tree-flow-inline.h | 6 ++++++ 2 files changed, 12 insertions(+) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ea83a9e6ab5..6df0f7fc991 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2008-11-15 Zdenek Dvorak + + PR tree-optimization/37950 + * tree-flow-inline.h (memory_partition): Return NULL when aliases were + not computed for the current function. + 2008-11-15 Jakub Jelinek PR target/38123 diff --git a/gcc/tree-flow-inline.h b/gcc/tree-flow-inline.h index eefc983190e..aeba17204f9 100644 --- a/gcc/tree-flow-inline.h +++ b/gcc/tree-flow-inline.h @@ -644,6 +644,12 @@ memory_partition (tree sym) return sym; gcc_assert (!is_gimple_reg (sym)); + /* Autoparallelization moves statements from the original function (which has + aliases computed) to the new one (which does not). When rebuilding + operands for the statement in the new function, we do not want to + record the memory partition tags of the original function. */ + if (!gimple_aliases_computed_p (cfun)) + return NULL_TREE; tag = get_var_ann (sym)->mpt; #if defined ENABLE_CHECKING -- 2.30.2