From aa7d4cecec1a1236d237b83ebf035285f438ee67 Mon Sep 17 00:00:00 2001 From: Connor Abbott Date: Wed, 24 Jun 2015 12:55:41 -0700 Subject: [PATCH] nir: remove parent_instr from nir_register It's no longer used. Reviewed-by: Jason Ekstrand --- src/glsl/nir/nir.c | 1 - src/glsl/nir/nir.h | 8 -------- src/glsl/nir/nir_from_ssa.c | 8 -------- 3 files changed, 17 deletions(-) diff --git a/src/glsl/nir/nir.c b/src/glsl/nir/nir.c index f03e80a..f661249 100644 --- a/src/glsl/nir/nir.c +++ b/src/glsl/nir/nir.c @@ -57,7 +57,6 @@ reg_create(void *mem_ctx, struct exec_list *list) { nir_register *reg = ralloc(mem_ctx, nir_register); - reg->parent_instr = NULL; list_inithead(®->uses); list_inithead(®->defs); list_inithead(®->if_uses); diff --git a/src/glsl/nir/nir.h b/src/glsl/nir/nir.h index e48db72..4cb7d2f 100644 --- a/src/glsl/nir/nir.h +++ b/src/glsl/nir/nir.h @@ -389,14 +389,6 @@ typedef struct { */ bool is_packed; - /** - * If this pointer is non-NULL then this register has exactly one - * definition and that definition dominates all of its uses. This is - * set by the out-of-SSA pass so that backends can get SSA-like - * information even once they have gone out of SSA. - */ - struct nir_instr *parent_instr; - /** set of nir_instr's where this register is used (read from) */ struct list_head uses; diff --git a/src/glsl/nir/nir_from_ssa.c b/src/glsl/nir/nir_from_ssa.c index e4a153e..1fd8b24 100644 --- a/src/glsl/nir/nir_from_ssa.c +++ b/src/glsl/nir/nir_from_ssa.c @@ -496,14 +496,6 @@ rewrite_ssa_def(nir_ssa_def *def, void *void_state) reg->name = def->name; reg->num_components = def->num_components; reg->num_array_elems = 0; - - /* This register comes from an SSA definition that is defined and not - * part of a phi-web. Therefore, we know it has a single unique - * definition that dominates all of its uses; we can copy the - * parent_instr from the SSA def safely. - */ - if (def->parent_instr->type != nir_instr_type_ssa_undef) - reg->parent_instr = def->parent_instr; } nir_ssa_def_rewrite_uses(def, nir_src_for_reg(reg), state->mem_ctx); -- 2.7.4