view gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-1.c @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 04ced10e8804
children
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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-pre-stats" } */
extern int printf (const char *, ...);
int foo(int argc, char **argv)
{
	int a;
	int b;
	int c;
	b  = argc + 1;
	c =  argc + 2;
	a = b + c;
	if (argc > 2)
	{
		c = argc + 3;
	}
	printf ("%d, %d\n", a, b + c);
}
/* We should eliminate one evaluation of b + c along the main path,
   causing one reload. */
/* { dg-final { scan-tree-dump-times "Eliminated: 1" 1 "pre"} } */