Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/slsr-38.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* Verify straight-line strength reduction for a candidate with a basis hidden by a phi dependence and having a known stride. Variation using negative increments. */ /* { dg-do compile } */ /* { dg-options "-O3 -fdump-tree-optimized" } */ int f (int c, int i) { int a1, a2, a3, x1, x2, x3, x; a1 = i * 16; x1 = c + a1; i = i - 2; a2 = i * 16; x2 = c + a2; if (x2 > 6) i = i - 2; i = i - 2; a3 = i * 16; x3 = c + a3; x = x1 + x2 + x3; return x; } /* { dg-final { scan-tree-dump-times " \\* " 1 "optimized" } } */