From 58a360c6b8aead1fec34aea298654ab544e7c8e8 Mon Sep 17 00:00:00 2001 From: Connor Abbott Date: Tue, 21 Jul 2015 19:54:31 -0700 Subject: [PATCH] nir/cf: add split_block_before_instr() Signed-off-by: Connor Abbott Reviewed-by: Kenneth Graunke --- src/glsl/nir/nir_control_flow.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/src/glsl/nir/nir_control_flow.c b/src/glsl/nir/nir_control_flow.c index 9ae113f3959..fcdabc75a82 100644 --- a/src/glsl/nir/nir_control_flow.c +++ b/src/glsl/nir/nir_control_flow.c @@ -376,6 +376,24 @@ split_block_end(nir_block *block) return new_block; } +static nir_block * +split_block_before_instr(nir_instr *instr) +{ + assert(instr->type != nir_instr_type_phi); + nir_block *new_block = split_block_beginning(instr->block); + + nir_foreach_instr_safe(instr->block, cur_instr) { + if (cur_instr == instr) + break; + + exec_node_remove(&cur_instr->node); + cur_instr->block = new_block; + exec_list_push_tail(&new_block->instr_list, &cur_instr->node); + } + + return new_block; +} + /** * Inserts a non-basic block between two basic blocks and links them together. */ -- 2.30.2