diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/ivopt_1.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/ivopt_1.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ivopt_1.c b/gcc/testsuite/gcc.dg/tree-ssa/ivopt_1.c new file mode 100644 index 000000000..60baa4bd3 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/ivopt_1.c @@ -0,0 +1,18 @@ +/* { dg-do compile { target {{ i?86-*-* x86_64-*-* } && lp64 } } } */ +/* { dg-options "-O2 -m64 -fdump-tree-ivopts" } */ +#define TYPE char* + +/* Testing that only one induction variable is selected after IVOPT on + the given target instead of 3. */ +void foo (int i_width, TYPE dst, TYPE src1, TYPE src2) +{ + int x; + for( x = 0; x < i_width; x++ ) + { + dst[x] = ( src1[x] + src2[x] + 1 ) >> 1; + } +} + + +/* { dg-final { scan-tree-dump-times "PHI <ivtmp" 1 "ivopts"} } */ +/* { dg-final { cleanup-tree-dump "ivopts" } } */ |