Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/pr61839_2.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 84e7813d76e9 |
children |
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/* PR tree-optimization/61839. */ /* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-evrp" } */ /* { dg-require-effective-target int32plus } */ __attribute__ ((noinline)) int foo () { int a = -1; volatile unsigned b = 1U; int c = 1; c = (a + 972195718) / (b ? 2 : 0); if (c == 486097858) ; else __builtin_abort (); return 0; } __attribute__ ((noinline)) int bar () { int a = -1; volatile unsigned b = 1U; int c = 1; c = (a + 972195718) % (b ? 2 : 0); if (c == 1) ; else __builtin_abort (); return 0; } __attribute__ ((noinline)) int bar2 () { int a = -1; volatile unsigned b = 1U; int c = 1; c = (a + 972195716) % (b ? 1 : 2); if (c == 0) ; else __builtin_abort (); return 0; } /* Dont optimize 972195717 / 0 in function foo. */ /* { dg-final { scan-tree-dump-times "972195717 / " 1 "evrp" } } */ /* Dont optimize 972195717 % 0 in function bar. */ /* { dg-final { scan-tree-dump-times "972195717 % " 1 "evrp" } } */ /* May optimize in function bar2, but EVRP doesn't perform this yet. */ /* { dg-final { scan-tree-dump-times "972195715 % " 0 "evrp" } } */