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| author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
|---|---|---|
| committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
| commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
| tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/slsr-10.c | |
| parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
| download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip | |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/slsr-10.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/slsr-10.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/slsr-10.c b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/slsr-10.c new file mode 100644 index 000000000..f131dae3b --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/tree-ssa/slsr-10.c @@ -0,0 +1,23 @@ +/* Verify straight-line strength reduction for simple integer addition + with stride reversed on 1st and 3rd instances. */ + +/* { dg-do compile } */ +/* { dg-options "-O3 -fdump-tree-optimized" } */ + +int +f (int s, int c) +{ + int a1, a2, a3, x1, x2, x3, x; + + a1 = 2 * s; + x1 = a1 + c; + a2 = 4 * s; + x2 = c + a2; + a3 = 6 * s; + x3 = a3 + c; + x = x1 + x2 + x3; + return x; +} + +/* { dg-final { scan-tree-dump-times " \\* " 1 "optimized" } } */ +/* { dg-final { cleanup-tree-dump "optimized" } } */ |