From ddffe30f404b7dffef2b90879023433ecc7df3e3 Mon Sep 17 00:00:00 2001 From: Jason Ekstrand Date: Mon, 14 Sep 2015 12:25:28 -0700 Subject: [PATCH] nir: Add comments to nir_index_instrs and nir_index_ssa_defs The provided indices have the very nice property that if A dominates B then A->index <= B->index. We should document that somewhere. Reviewed-by: Kenneth Graunke --- src/glsl/nir/nir.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/src/glsl/nir/nir.c b/src/glsl/nir/nir.c index 1ff8f217407..23071eff65b 100644 --- a/src/glsl/nir/nir.c +++ b/src/glsl/nir/nir.c @@ -1427,6 +1427,10 @@ index_ssa_block(nir_block *block, void *state) return true; } +/** + * The indices are applied top-to-bottom which has the very nice property + * that, if A dominates B, then A->index <= B->index. + */ void nir_index_ssa_defs(nir_function_impl *impl) { @@ -1445,6 +1449,10 @@ index_instrs_block(nir_block *block, void *state) return true; } +/** + * The indices are applied top-to-bottom which has the very nice property + * that, if A dominates B, then A->index <= B->index. + */ unsigned nir_index_instrs(nir_function_impl *impl) { -- 2.30.2