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/* PR tree-optimization/20913
COPY-PROP did not fold COND_EXPR, blocking some copy propagation
opportunities. */
/* { dg-do compile } */
/* { dg-options "-O2 -fno-tree-dominator-opts -fdump-tree-copyprop1-details" } */
int
foo (int a, int b, int c, int d)
{
int x, y;
b = a;
if (a == b)
x = c;
else
x = d;
if (x == c)
return a;
else
return b;
}
/* { dg-final { scan-tree-dump-times "with if \\(1\\)" 2 "copyprop1"} } */
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