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| author | Tom de Vries <tom@codesourcery.com> | 2012-09-15 18:48:12 +0000 |
|---|---|---|
| committer | Tom de Vries <vries@gcc.gnu.org> | 2012-09-15 18:48:12 +0000 |
| commit | e857cbce23bff10b6bbcf700d3c370f2e086e883 (patch) | |
| tree | 9ca45836c439d0a5176c3881294205d89ce25be9 /gcc/testsuite/gcc.dg/tree-ssa/vrp81.c | |
| parent | 770caa74d0326e0361be0aa3f12acda5bed21e2a (diff) | |
| download | gcc-e857cbce23bff10b6bbcf700d3c370f2e086e883.zip gcc-e857cbce23bff10b6bbcf700d3c370f2e086e883.tar.gz gcc-e857cbce23bff10b6bbcf700d3c370f2e086e883.tar.bz2 | |
vrp80-2.c: Rename to ...
2012-09-15 Tom de Vries <tom@codesourcery.com>
* gcc.dg/tree-ssa/vrp80-2.c: Rename to ...
* gcc.dg/tree-ssa/vrp81.c: ... this.
From-SVN: r191347
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/vrp81.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/vrp81.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/vrp81.c b/gcc/testsuite/gcc.dg/tree-ssa/vrp81.c new file mode 100644 index 0000000..bb38f27 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/vrp81.c @@ -0,0 +1,38 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fno-tree-switch-conversion -fdump-tree-vrp1" } */ + +extern void vrp_keep (void); + +/* Test <<. */ + +void +f3 (int s, int b) +{ + if (s >> 3 == -2) + /* s in range [-16, -9]. */ + { + s += 17; + /* s in range [1, 8]. */ + b = (b & 1) + 1; + /* b in range [1, 2]. */ + b = b << s; + /* b in range [bmin << smin, bmax << smax], + == [1 << 1, 2 << 8] + == [2, 512]. */ + if (b == 2) + vrp_keep (); + if (b == 512) + vrp_keep (); + } +} + +int +main () +{ + return 0; +} + +/* { dg-final { scan-tree-dump-times "vrp_keep \\(" 2 "vrp1"} } */ +/* { dg-final { cleanup-tree-dump "vrp1" } } */ + + |