diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-03-10 17:14:45 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-03-10 17:14:45 +0000 |
| commit | 466e11c3c0c21f33c90217f63c2be062186bbc77 (patch) | |
| tree | 4506ced251003d41e08d712e07f73cf08dcb2b47 /gcc/testsuite/gcc.dg/tree-ssa/loadpre25.c | |
| parent | 2c2d2f408c6521fcd5364a20af9ed60af7904c16 (diff) | |
| download | gcc-466e11c3c0c21f33c90217f63c2be062186bbc77.tar.gz | |
2008-03-10 Richard Guenther <rguenther@suse.de>
PR tree-optimization/34677
* tree-ssa-pre.c (modify_expr_node_pool): Remove.
(poolify_tree): Likewise.
(modify_expr_template): Likewise.
(poolify_modify_stmt): Likewise.
(insert_fake_stores): Handle all component-ref style stores
in addition to INDIRECT_REF. Also handle complex types.
Do not poolify the inserted load.
(realify_fake_stores): Do not rebuild the tree but only
make it a SSA_NAME copy.
(init_pre): Remove initialzation of modify_expr_template.
Do not allocate modify_expr_node_pool.
(fini_pre): Do not free modify_expr_node_pool.
* gcc.dg/tree-ssa/loadpre23.c: New testcase.
* gcc.dg/tree-ssa/loadpre24.c: Likewise.
* gcc.dg/tree-ssa/loadpre25.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@133081 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/loadpre25.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/loadpre25.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/loadpre25.c b/gcc/testsuite/gcc.dg/tree-ssa/loadpre25.c new file mode 100644 index 00000000000..aaf09313e79 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/loadpre25.c @@ -0,0 +1,20 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-pre-stats" } */ +struct X { int i; }; +int foo(struct X *a, int argc) +{ + int b; + int c; + int i; + int d, e; + + for (i = 0; i < argc; i++) + { + e = a->i; + a->i = 9; + } + return d + e; +} + +/* { dg-final { scan-tree-dump-times "Eliminated: 1" 1 "pre" } } */ +/* { dg-final { cleanup-tree-dump "pre" } } */ |