Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-thread-17.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-dom2 -w" } */ struct rtx_def; typedef struct rtx_def *rtx; struct reload { rtx in; rtx reg_rtx; }; extern struct reload rld[(2 * 30 * (2 + 1))]; static rtx find_dummy_reload (rtx); extern int frob (); extern int arf (); int push_reload (rtx in, rtx out ) { int i; if (out != 0 && in != out) { rld[i].reg_rtx = find_dummy_reload (out); if (rld[i].reg_rtx == out) rld[i].in = out; } } rtx find_dummy_reload (rtx real_out) { unsigned int nwords = frob (); unsigned int regno = frob (); unsigned int i; for (i = 0; i < nwords; i++) if (arf ()) break; if (i == nwords) return real_out; return 0; } /* In the case where the call to find_dummy_reload returns 0, the final test in push_reload will never be true and it will be eliminated. */ /* { dg-final { scan-tree-dump-not "out_\[^\n\r]+ == 0" "dom2"} } */