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| author | Tom de Vries <tom@codesourcery.com> | 2012-07-06 11:22:12 +0000 |
|---|---|---|
| committer | Tom de Vries <vries@gcc.gnu.org> | 2012-07-06 11:22:12 +0000 |
| commit | 5de33281664f175e0f19f0e64cba7d25e09c2ef6 (patch) | |
| tree | 1267da80274187b34d160c0ecddb9f5c0864214a | |
| parent | 6867d9a9c5d90644fd0d1a20c802dc10cdd2c614 (diff) | |
| download | gcc-5de33281664f175e0f19f0e64cba7d25e09c2ef6.zip gcc-5de33281664f175e0f19f0e64cba7d25e09c2ef6.tar.gz gcc-5de33281664f175e0f19f0e64cba7d25e09c2ef6.tar.bz2 | |
re PR tree-optimization/51879 (Missed tail merging with non-const/pure calls)
2012-07-06 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/51879
* gcc.dg/pr51879-16.c: New test.
* gcc.dg/pr51879-17.c: Same.
From-SVN: r189324
| -rw-r--r-- | gcc/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr51879-16.c | 32 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr51879-17.c | 32 |
3 files changed, 70 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index ab552be..939bea1 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,11 @@ 2012-07-06 Tom de Vries <tom@codesourcery.com> + PR tree-optimization/51879 + * gcc.dg/pr51879-16.c: New test. + * gcc.dg/pr51879-17.c: Same. + +2012-07-06 Tom de Vries <tom@codesourcery.com> + PR tree-optimization/52009 * gcc.dg/pr51879-7.c: New test. * gcc.dg/pr51879-18.c: New test. diff --git a/gcc/testsuite/gcc.dg/pr51879-16.c b/gcc/testsuite/gcc.dg/pr51879-16.c new file mode 100644 index 0000000..3a84e97 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr51879-16.c @@ -0,0 +1,32 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-pre" } */ + +struct S { + int i; +}; + +extern struct S foo (void); +extern int foo2 (void); + +struct S s; + +int bar (int c) { + int r; + + if (c) + { + s = foo (); + r = foo2 (); + } + else + { + s = foo (); + r = foo2 (); + } + + return r; +} + +/* { dg-final { scan-tree-dump-times "foo \\(" 1 "pre"} } */ +/* { dg-final { scan-tree-dump-times "foo2 \\(" 1 "pre"} } */ +/* { dg-final { cleanup-tree-dump "pre" } } */ diff --git a/gcc/testsuite/gcc.dg/pr51879-17.c b/gcc/testsuite/gcc.dg/pr51879-17.c new file mode 100644 index 0000000..806fe7b --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr51879-17.c @@ -0,0 +1,32 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-pre" } */ + +struct S { + int i; +}; + +extern struct S foo (void); +extern int foo2 (void); + +struct S s, s2; + +int bar (int c) { + int r; + + if (c) + { + s = foo (); + r = foo2 (); + } + else + { + s2 = foo (); + r = foo2 (); + } + + return r; +} + +/* { dg-final { scan-tree-dump-times "foo \\(" 2 "pre"} } */ +/* { dg-final { scan-tree-dump-times "foo2 \\(" 2 "pre"} } */ +/* { dg-final { cleanup-tree-dump "pre" } } */ |