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pan/midgard: Add mir_foreach_predecessor utility

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It's ugly, but c'est la vie.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
This commit is contained in:
Alyssa Rosenzweig 2019-08-15 08:36:41 -07:00
parent b4b2e111f8
commit b8e526c520
1 changed files with 11 additions and 0 deletions
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11
src/panfrost/midgard/compiler.h
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@ -360,6 +360,17 @@ mir_next_op(struct midgard_instruction *ins)
mir_foreach_block(ctx, v_block) \
mir_foreach_instr_in_block_safe(v_block, v)
/* Based on set_foreach, expanded with automatic type casts */
#define mir_foreach_predecessor(blk, v) \
struct set_entry *_entry_##v; \
struct midgard_block *v; \
for (_entry_##v = _mesa_set_next_entry(blk->predecessors, NULL), \
v = (struct midgard_block *) (_entry_##v ? _entry_##v->key : NULL); \
_entry_##v != NULL; \
_entry_##v = _mesa_set_next_entry(blk->predecessors, _entry_##v), \
v = (struct midgard_block *) (_entry_##v ? _entry_##v->key : NULL))
static inline midgard_instruction *
mir_last_in_block(struct midgard_block *block)
{