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i965/fs: Wire up control flow correctly in predicated break pass.

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When the earlier block ended with control flow, we'd mistakenly remove
some of its links to its children. The same happened with the later
block.

Acked-by: Jason Ekstrand <jason.ekstrand@intel.com>
This commit is contained in:
Matt Turner 2014-11-05 15:23:05 -08:00
parent f0cfc4fca0
commit 58a54091a9
1 changed files with 7 additions and 3 deletions
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10
src/mesa/drivers/dri/i965/brw_fs_peephole_predicated_break.cpp
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@ -107,10 +107,14 @@ fs_visitor::opt_peephole_predicated_break()
}
endif_inst->remove(endif_block);
earlier_block->children.make_empty();
later_block->parents.make_empty();
if (!earlier_block->ends_with_control_flow()) {
earlier_block->children.make_empty();
earlier_block->add_successor(cfg->mem_ctx, jump_block);
}
earlier_block->add_successor(cfg->mem_ctx, jump_block);
if (!later_block->starts_with_control_flow()) {
later_block->parents.make_empty();
}
jump_block->add_successor(cfg->mem_ctx, later_block);
if (earlier_block->can_combine_with(jump_block)) {