Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/pr77975.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* PR tree-optimization/77975 */ /* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-ivcanon-details" } */ /* { dg-final { scan-tree-dump-times "Proved that loop 1 iterates 1 times using brute force" 1 "ivcanon" } } */ unsigned int foo (unsigned int *b) { unsigned int a = 3; while (a) { a >>= 1; *b += a; } return a; } /* { dg-final { scan-tree-dump-times "Proved that loop 1 iterates 2 times using brute force" 1 "ivcanon" } } */ unsigned int bar (unsigned int *b) { unsigned int a = 7; while (a) { a >>= 1; *b += a; } return a; }