diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/reassoc-16.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/reassoc-16.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/reassoc-16.c b/gcc/testsuite/gcc.dg/tree-ssa/reassoc-16.c new file mode 100644 index 000000000..4dd54a8cb --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/reassoc-16.c @@ -0,0 +1,16 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -ffast-math -fdump-tree-reassoc1" } */ + +double test1 (double x, double y, double z, double weight) +{ + double tmp1 = x / weight; + double tmp2 = y / weight; + double tmp3 = -x / weight; + return tmp1 + tmp2 + tmp3; +} + +/* The division should be un-distributed and all references to x should + be gone. */ + +/* { dg-final { scan-tree-dump-times "/" 1 "reassoc1" } } */ +/* { dg-final { cleanup-tree-dump "reassoc1" } } */ |