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| author | Sebastian Pop <sebastian.pop@amd.com> | 2010-08-11 20:28:47 +0000 |
|---|---|---|
| committer | Sebastian Pop <spop@gcc.gnu.org> | 2010-08-11 20:28:47 +0000 |
| commit | 5df5f257f5abd41d8554f769d763f0521d374f8a (patch) | |
| tree | f51b06c2b4c8bb276a4cddc812975ae05e4d1aa3 /gcc/testsuite | |
| parent | 6f23dd91cbe49e6d3945440b0f03110ef3d29fd4 (diff) | |
| download | gcc-5df5f257f5abd41d8554f769d763f0521d374f8a.tar.gz | |
Add testcase for PR20742.
2010-07-20 Sebastian Pop <sebastian.pop@amd.com>
* gcc.dg/tree-ssa/pr20742.c: New.
From-SVN: r163150
Diffstat (limited to 'gcc/testsuite')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/pr20742.c | 18 |
2 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 46cf6464a5c..553e567ae89 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,9 @@ 2010-08-02 Sebastian Pop <sebastian.pop@amd.com> + * gcc.dg/tree-ssa/pr20742.c: New. + +2010-08-02 Sebastian Pop <sebastian.pop@amd.com> + * gcc.dg/graphite/id-23.c: New. 2010-08-02 Sebastian Pop <sebastian.pop@amd.com> diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr20742.c b/gcc/testsuite/gcc.dg/tree-ssa/pr20742.c new file mode 100644 index 00000000000..21d6eb63c8c --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr20742.c @@ -0,0 +1,18 @@ +/* { dg-do compile } */ +/* { dg-options "-O2" } */ + +#define TEN(x) x x x x x x x x x x +#define THOUSAND(x) TEN (TEN (TEN (x))) + +int +foo (int x, int y) +{ + register int a = y + 57; + register int b = y + 31; + + while (x-- > 0) + { + THOUSAND (a += b; b -= a;) + } + return a + b; +} |