?? reassoc-4.c
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/* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-optimized" } */float a, b, c, d;extern int printf (const char *, ...);int main(void){ float e; float f; /* We should not be able to transform these into the same expression, and only have two additions. */ e = a + b; e = e + c; f = c + a; f = f + b; printf ("%f %f\n", e, f);}/* { dg-final { scan-tree-dump-times "\\\+" 4 "optimized"} } *//* { dg-final { cleanup-tree-dump "optimized" } } */
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