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[omp, ftracer] Ignore IFN_GOMP_SIMT_XCHG_* in ignore_bb_p

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As IFN_GOMP_SIMT_XCHG_* are part of the group marked by
IFN_GOMP_SIMT_ENTER_ALLOC/IFN_GOMP_SIMT_EXIT, handle them conservatively
in ignore_bb_p.

Build on x86_64-linux with nvptx accelerator, tested with libgomp.

gcc/ChangeLog:

2020-10-05  Tom de Vries  <tdevries@suse.de>

	* tracer.c (ignore_bb_p): Ignore GOMP_SIMT_XCHG_*.
This commit is contained in:
Tom de Vries 2020-10-05 14:26:04 +02:00
parent 255aa06d40
commit 717e402dbf
1 changed files with 5 additions and 3 deletions
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8
gcc/tracer.c
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@ -115,12 +115,14 @@ ignore_bb_p (const_basic_block bb)
/* An IFN_GOMP_SIMT_ENTER_ALLOC/IFN_GOMP_SIMT_EXIT call must be
duplicated as part of its group, or not at all.
The IFN_GOMP_SIMT_VOTE_ANY is part of such a group, so the same holds
there. */
The IFN_GOMP_SIMT_VOTE_ANY and IFN_GOMP_SIMT_XCHG_* are part of such a
group, so the same holds there. */
if (is_gimple_call (g)
&& (gimple_call_internal_p (g, IFN_GOMP_SIMT_ENTER_ALLOC)
|| gimple_call_internal_p (g, IFN_GOMP_SIMT_EXIT)
|| gimple_call_internal_p (g, IFN_GOMP_SIMT_VOTE_ANY)))
|| gimple_call_internal_p (g, IFN_GOMP_SIMT_VOTE_ANY)
|| gimple_call_internal_p (g, IFN_GOMP_SIMT_XCHG_BFLY)
|| gimple_call_internal_p (g, IFN_GOMP_SIMT_XCHG_IDX)))
return true;
}