44 lines
957 B
C
44 lines
957 B
C
/* { dg-do compile } */
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/* { dg-options "-fgnu-tm -O3 -fdump-tree-tmmark" } */
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/* Like memopt-12.c but the phi is inside a look which causes
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it to be converted into a COND_EXPR. */
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extern int test(void) __attribute__((transaction_safe));
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extern int something(void);
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extern void *malloc (__SIZE_TYPE__) __attribute__((malloc,transaction_safe));
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struct large { int foo[500]; };
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int f(int j)
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{
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int *p1, *p2, *p3;
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p1 = malloc (sizeof (*p1)*5000);
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__transaction_atomic {
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_Bool t;
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int i = 1;
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*p1 = 0;
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p2 = malloc (sizeof (*p2)*6000);
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*p2 = 1;
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t = test();
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for (i = 0;i < j;i++)
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{
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/* p3 = PHI (p1, p2) */
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if (t)
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p3 = p1;
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else
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p3 = p2;
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/* Since both p1 and p2 are thread-private, we can inherit the
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logging already done. No ITM_W* instrumentation necessary. */
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*p3 = 555;
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}
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}
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return p3[something()];
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}
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/* { dg-final { scan-tree-dump-times "ITM_WU" 0 "tmmark" } } */
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