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| author | Tom de Vries <tom@codesourcery.com> | 2012-07-06 11:07:37 +0000 |
|---|---|---|
| committer | Tom de Vries <vries@gcc.gnu.org> | 2012-07-06 11:07:37 +0000 |
| commit | 6cf5e1d0514b6bba0e3b5d59b440dd7a451e6d1f (patch) | |
| tree | 571bd385bc5c3ac317ef32f8e5eef196b24a6856 | |
| parent | 4ec0a1988872cd6c9912ca941733f4df49cb2020 (diff) | |
| download | gcc-6cf5e1d0514b6bba0e3b5d59b440dd7a451e6d1f.zip gcc-6cf5e1d0514b6bba0e3b5d59b440dd7a451e6d1f.tar.gz gcc-6cf5e1d0514b6bba0e3b5d59b440dd7a451e6d1f.tar.bz2 | |
re PR tree-optimization/52009 (Another missed tail merging opportunity)
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.
From-SVN: r189322
| -rw-r--r-- | gcc/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr51879-18.c | 17 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr51879-7.c | 18 |
3 files changed, 41 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index a3c9f61..ab552be 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +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. + 2012-07-05 Jason Merrill <jason@redhat.com> PR c++/50852 diff --git a/gcc/testsuite/gcc.dg/pr51879-18.c b/gcc/testsuite/gcc.dg/pr51879-18.c new file mode 100644 index 0000000..95629f1 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr51879-18.c @@ -0,0 +1,17 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-pre -fno-tree-copy-prop -fno-tree-dominator-opts -fno-tree-copyrename" } */ + +extern int foo (void); + +void bar (int c, int *p) +{ + int *q = p; + + if (c) + *p = foo (); + else + *q = foo (); +} + +/* { dg-final { scan-tree-dump-times "foo \\(" 1 "pre"} } */ +/* { dg-final { cleanup-tree-dump "pre" } } */ diff --git a/gcc/testsuite/gcc.dg/pr51879-7.c b/gcc/testsuite/gcc.dg/pr51879-7.c new file mode 100644 index 0000000..6c1d320 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr51879-7.c @@ -0,0 +1,18 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fdump-tree-pre" } */ + +int bar (int); + +int z; + +void +foo (int y) +{ + if (y == 6) + z = 5; + else + z = 5; +} + +/* { dg-final { scan-tree-dump-times "z = 5" 1 "pre"} } */ +/* { dg-final { cleanup-tree-dump "pre" } } */ |