Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/torture/parm-coalesce.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 run } */ #include <stdlib.h> /* Make sure we don't coalesce both incoming parms, one whose incoming value is unused, to the same location, so as to overwrite one of them with the incoming value of the other. */ int __attribute__((noinline, noclone)) foo (int i, int j) { j = i; /* The incoming value for J is unused. */ i = 2; if (j) j++; j += i + 1; return j; } /* Same as foo, but with swapped parameters. */ int __attribute__((noinline, noclone)) bar (int j, int i) { j = i; /* The incoming value for J is unused. */ i = 2; if (j) j++; j += i + 1; return j; } int main (void) { if (foo (0, 1) != 3) abort (); if (bar (1, 0) != 3) abort (); return 0; }