24 lines
469 B
C
24 lines
469 B
C
/* { dg-do compile } */
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/* { dg-options "-O2 -fdump-tree-pre-stats" } */
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int g2;
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struct A {
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int a; int b;
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}g1;
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int foo(int a, int b)
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{
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if (a > 0)
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{
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g1.a = a+ b;
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}
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else
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g1.a = b;
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g2 = a+b;
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return g1.a;
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}
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/* We will eliminate the g1.a from the return statement as fully redundant,
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and remove one calculation of a + b. */
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/* { dg-final { scan-tree-dump-times "Eliminated: 2" 1 "pre"} } */
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/* { dg-final { cleanup-tree-dump "pre" } } */
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