From 1bd2aefdf63c38093e950d365c5b4fa9ed4a5197 Mon Sep 17 00:00:00 2001 From: vries Date: Mon, 14 Mar 2016 09:19:14 +0000 Subject: [PATCH] Unshare create_empty_if_region_on_edge argument 2016-03-14 Tom de Vries PR tree-optimization/70045 * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare create_empty_if_region_on_edge argument. * gcc.dg/graphite/pr70045.c: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@234177 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 6 ++++++ gcc/graphite-isl-ast-to-gimple.c | 3 ++- gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/gcc.dg/graphite/pr70045.c | 28 ++++++++++++++++++++++++++++ 4 files changed, 41 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/gcc.dg/graphite/pr70045.c diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 70acdc4..3107036 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2016-03-14 Tom de Vries + + PR tree-optimization/70045 + * graphite-isl-ast-to-gimple.c (graphite_create_new_loop_guard): Unshare + create_empty_if_region_on_edge argument. + 2016-03-13 Eric Botcazou * config/arm/vxworks.h (STACK_CHECK_STATIC_BUILTIN): Define. diff --git a/gcc/graphite-isl-ast-to-gimple.c b/gcc/graphite-isl-ast-to-gimple.c index 89a4118..8dd5dc8 100644 --- a/gcc/graphite-isl-ast-to-gimple.c +++ b/gcc/graphite-isl-ast-to-gimple.c @@ -821,7 +821,8 @@ graphite_create_new_loop_guard (edge entry_edge, if (integer_onep (cond_expr)) exit_edge = entry_edge; else - exit_edge = create_empty_if_region_on_edge (entry_edge, cond_expr); + exit_edge = create_empty_if_region_on_edge (entry_edge, + unshare_expr (cond_expr)); return exit_edge; } diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 78e3ec9..6cec055 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2016-03-14 Tom de Vries + + PR tree-optimization/70045 + * gcc.dg/graphite/pr70045.c: New test. + 2016-03-13 Jerry DeLisle PR fortran/69043 diff --git a/gcc/testsuite/gcc.dg/graphite/pr70045.c b/gcc/testsuite/gcc.dg/graphite/pr70045.c new file mode 100644 index 0000000..9f98b1f --- /dev/null +++ b/gcc/testsuite/gcc.dg/graphite/pr70045.c @@ -0,0 +1,28 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -floop-interchange" } */ + +int a, b, d, e, f; +int c[9]; +void +fn1 () +{ + e = 1; + for (; e >= 0; e--) + { + d = 1; + for (; d >= 0; d--) + { + f = 0; + for (; f <= 1; f++) + { + a = 0; + for (; a < 9; a++) + { + b = 0; + for (; b < 2; b++) + c[a + b] = 3; + } + } + } + } +} -- 2.7.4