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intel/ir: Represent physical edge of unconditional CONTINUE instruction.

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This edge doesn't exist in the original scalar program, but it
represents a potential control flow path the EU will take in cases
where control flow isn't uniform across channels of the same SIMD
thread.

Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
This commit is contained in:
Francisco Jerez 2019-09-27 14:50:00 -07:00
parent eeaad2992c
commit 6965a02e09
1 changed files with 2 additions and 0 deletions
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2
src/intel/compiler/brw_cfg.cpp
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@ -334,6 +334,8 @@ cfg_t::cfg_t(exec_list *instructions)
next = new_block();
if (inst->predicate)
cur->add_successor(mem_ctx, next, bblock_link_logical);
else
cur->add_successor(mem_ctx, next, bblock_link_physical);
set_next_block(&cur, next, ip);
break;