From 155d0548f114305e97ad4076d21646c4617494bc Mon Sep 17 00:00:00 2001 From: Richard Guenther Date: Mon, 5 Mar 2007 16:55:23 +0000 Subject: [PATCH] re PR tree-optimization/23777 (Does not remove all references to var) 2007-03-05 Richard Guenther PR tree-optimization/23777 * gcc.dg/tree-ssa/pr23777.c: New testcase. From-SVN: r122558 --- gcc/testsuite/ChangeLog | 5 +++++ gcc/testsuite/gcc.dg/tree-ssa/pr23777.c | 19 +++++++++++++++++++ 2 files changed, 24 insertions(+) create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/pr23777.c diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 84c2d214965..70c78dc4d48 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2007-03-05 Richard Guenther + + PR tree-optimization/23777 + * gcc.dg/tree-ssa/pr23777.c: New testcase. + 2007-03-04 Manuel Lopez-Ibanez PR other/30465 diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr23777.c b/gcc/testsuite/gcc.dg/tree-ssa/pr23777.c new file mode 100644 index 00000000000..c2ad9b70707 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr23777.c @@ -0,0 +1,19 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-optimized" } */ + +extern void f(char *const *); +void g (char **o) +{ + static const char *const multilib_exclusions_raw[] = { 0 }; + const char *const *q = multilib_exclusions_raw; + + f (o); + while (*q++) + f (o); +} + +/* The last DCE pass is able to remove the load from + multilib_exclusions_raw. */ + +/* { dg-final { scan-tree-dump-not "multilib_exclusions_raw" "optimized" } } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ -- 2.30.2