29 lines
594 B
C
29 lines
594 B
C
/* { dg-do compile } */
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/* { dg-options "-O -fno-tree-sra -fdump-tree-fre-stats" } */
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union loc {
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unsigned reg;
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signed offset;
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};
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void __frame_state_for2 (volatile char *state_in)
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{
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union loc fs;
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{
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*state_in = fs.reg;
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*state_in = fs.offset;
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}
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}
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void __frame_state_for1 (volatile char *state_in)
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{
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union loc fs;
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for (;;)
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{
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*state_in = fs.offset;
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*state_in = fs.reg;
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}
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}
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/* { dg-final { scan-tree-dump-times "Eliminated: 1" 2 "fre" } } */
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/* { dg-final { scan-tree-dump-times "Insertions: 1" 2 "fre" } } */
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/* { dg-final { cleanup-tree-dump "fre" } } */
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