From 3321eb4c368e673c8d9561ea126a4672825828b1 Mon Sep 17 00:00:00 2001 From: Timothy Arceri Date: Fri, 9 Dec 2016 16:49:10 +1100 Subject: [PATCH] i965: make use of nir_lower_returns() for GL Fixes two new piglit tests: spec/glsl-1.10/execution/vs-nested-return-sibling-loop.shader_test spec/glsl-1.10/execution/vs-nested-return-sibling-loop2.shader_test shader-db results for BDW: total instructions in shared programs: 12903158 -> 12903134 (-0.00%) instructions in affected programs: 27100 -> 27076 (-0.09%) helped: 32 HURT: 6 total cycles in shared programs: 294922518 -> 294922804 (0.00%) cycles in affected programs: 4372828 -> 4373114 (0.01%) helped: 31 HURT: 8 Reviewed-by: Kenneth Graunke --- src/mesa/drivers/dri/i965/brw_link.cpp | 6 ------ src/mesa/drivers/dri/i965/brw_program.c | 2 ++ 2 files changed, 2 insertions(+), 6 deletions(-) diff --git a/src/mesa/drivers/dri/i965/brw_link.cpp b/src/mesa/drivers/dri/i965/brw_link.cpp index 0d8a626..60eb8dc 100644 --- a/src/mesa/drivers/dri/i965/brw_link.cpp +++ b/src/mesa/drivers/dri/i965/brw_link.cpp @@ -145,12 +145,6 @@ process_glsl_ir(struct brw_context *brw, brw_do_vector_splitting(shader->ir); } - progress = do_lower_jumps(shader->ir, true, true, - true, /* main return */ - false, /* continue */ - false /* loops */ - ) || progress; - progress = do_common_optimization(shader->ir, true, true, options, ctx->Const.NativeIntegers) || progress; } while (progress); diff --git a/src/mesa/drivers/dri/i965/brw_program.c b/src/mesa/drivers/dri/i965/brw_program.c index 7f69977..fa54c2a 100644 --- a/src/mesa/drivers/dri/i965/brw_program.c +++ b/src/mesa/drivers/dri/i965/brw_program.c @@ -78,6 +78,8 @@ brw_create_nir(struct brw_context *brw, if (shader_prog) { nir = glsl_to_nir(shader_prog, stage, options); nir_remove_dead_variables(nir, nir_var_shader_in | nir_var_shader_out); + nir_lower_returns(nir); + nir_validate_shader(nir); NIR_PASS_V(nir, nir_lower_io_to_temporaries, nir_shader_get_entrypoint(nir), true, false); } else { -- 2.7.4