21 lines
565 B
C
21 lines
565 B
C
/* { dg-do compile } */
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/* { dg-options "-O3 -fdump-tree-pre" } */
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int db[100];
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int a_global_var, fact;
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int main()
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{
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int i,j=0;
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do
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{
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for (i=0; i<100; ++i)
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db[i] = i;
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fact = a_global_var * i;
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}
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while (j++ < 100);
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}
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/* We want to have exactly one load (not two) from a_global_var,
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and we want that load to be into a PRE temporary. */
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/* { dg-final { scan-tree-dump-times "= a_global_var;" 1 "pre" } } */
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/* { dg-final { scan-tree-dump "pretmp\[^\\n\]* = a_global_var;" "pre" } } */
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/* { dg-final { cleanup-tree-dump "pre" } } */
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