20 lines
543 B
C
20 lines
543 B
C
/* { dg-do compile } */
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/* { dg-options "-O2 -fdump-tree-optimized" } */
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int a, b, c, d;
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extern int printf (const char *, ...);
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int main(void)
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{
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int e;
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int f;
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/* We should be able to transform these into the same expression, and only have two additions. */
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e = a + b;
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e = e + c;
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f = c + a;
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f = f + b;
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printf ("%d %d\n", e, f);
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}
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/* { dg-final { scan-tree-dump-times "b.._. \\\+ a.._." 1 "optimized"} } */
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/* { dg-final { scan-tree-dump-times " \\\+ " 2 "optimized"} } */
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/* { dg-final { cleanup-tree-dump "optimized" } } */
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