Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/20040211-1.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children | 1830386684a0 |
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/* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-cddce2" } */ struct rtx_def; typedef struct rtx_def *rtx; extern const char rtx_class[]; void foo (void); union rtunion_def { rtx rtx; }; typedef union rtunion_def rtunion; struct rtx_def { int code; rtunion fld[1]; }; static int can_move_up (rtx insn, int n_insns) { while (n_insns > 0) { insn = (((insn)->fld[1]).rtx); if (((rtx_class[(int) (((insn)->code))]) == 'i')) n_insns--; } return n_insns <= 0; } int com (rtx insn, int blah) { if (!can_move_up (insn, blah)) foo (); } /* Cddce cannot remove possibly infinite loops and there is no way how to determine whether the loop in can_move_up ends. */ /* { dg-final { scan-tree-dump "if " "cddce2"} } */