diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/recip-6.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/recip-6.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/recip-6.c b/gcc/testsuite/gcc.dg/tree-ssa/recip-6.c new file mode 100644 index 000000000..b3334fb86 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/recip-6.c @@ -0,0 +1,30 @@ +/* { dg-options "-O1 -funsafe-math-optimizations -fno-trapping-math -fdump-tree-recip" } */ +/* { dg-do compile } */ + +/* Test inserting in a block that does not contain a division. */ + +extern int f2(); + +double m, n, o; + +void f1(double y, double z, double w) +{ + double b, c, d, e, f; + + if (g ()) + b = 1 / y, c = z / y; + else + b = 3 / y, c = w / y; + + d = b / y; + e = c / y; + f = 1 / y; + + m = d; + n = e; + o = f; +} + +/* { dg-final { scan-tree-dump-times " / " 1 "recip" } } */ +/* { dg-final { cleanup-tree-dump "recip" } } */ + |