Mercurial > hg > CbC > CbC_gcc
diff gcc/testsuite/gcc.dg/tree-ssa/slsr-17.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/gcc.dg/tree-ssa/slsr-17.c Fri Oct 27 22:46:09 2017 +0900 @@ -0,0 +1,30 @@ +/* Straight-line strength reduction control flow variation with incr = 1. */ + +/* { dg-do compile } */ +/* { dg-options "-O3 -fdump-tree-optimized" } */ + +int +f (int n, int c, int s) +{ + int a2, a3, a4, x1, x2, x3, x4; + + x1 = c + s; + x2 = x3 = x4 = c; + + if (n > 64) + { + a2 = 2 * s; + x2 = c + a2; + a3 = 3 * s; + x3 = c + a3; + } + else + { + a4 = 2 * s; + x4 = c + a4; + } + + return x1 + x2 + x3 + x4; +} + +/* { dg-final { scan-tree-dump-times " \\* " 0 "optimized" } } */