25 lines
606 B
C
25 lines
606 B
C
/* { dg-do compile } */
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/* { dg-options "-O1 -fdump-rtl-loop2_invariant" } */
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/* { dg-skip-if "unexpected IV" { "hppa*-*-* mips*-*-* visium-*-* powerpc*-*-* riscv*-*-*" } { "*" } { "" } } */
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void
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f (int *a, int *b)
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{
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int i;
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for (i = 0; i < 100; i++)
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{
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int d = 42;
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a[i] = d;
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if (i % 2)
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d = i;
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b[i] = d;
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}
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}
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/* Load of 42 is moved out of the loop, introducing a new pseudo register. */
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/* { dg-final { scan-rtl-dump-times "Decided" 1 "loop2_invariant" } } */
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/* { dg-final { scan-rtl-dump-not "without introducing a new temporary register" "loop2_invariant" } } */
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