From 20adc516e27e390b1558703720a2a2129c9e8ad5 Mon Sep 17 00:00:00 2001 From: Jason Ekstrand Date: Tue, 11 Nov 2014 16:12:32 -0800 Subject: i965/fs_nir: Add the CSE pass and actually run in a loop Reviewed-by: Connor Abbott --- src/mesa/drivers/dri/i965/brw_fs_nir.cpp | 31 ++++++++++++++++++------------- 1 file changed, 18 insertions(+), 13 deletions(-) diff --git a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp index 9141dc68196..2ca2e738b9f 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_nir.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_nir.cpp @@ -54,25 +54,30 @@ fs_visitor::emit_nir_code() if (1) nir_print_shader(nir, stderr); - if (1) { - nir_convert_to_ssa(nir); + nir_convert_to_ssa(nir); + nir_validate_shader(nir); + + bool progress; + do { + progress = false; + progress |= nir_copy_prop(nir); nir_validate_shader(nir); - nir_copy_prop(nir); + progress |= nir_opt_dce(nir); nir_validate_shader(nir); - nir_opt_dce(nir); + progress |= nir_opt_cse(nir); nir_validate_shader(nir); - nir_opt_peephole_select(nir); + progress |= nir_opt_peephole_select(nir); nir_validate_shader(nir); - nir_opt_peephole_ffma(nir); + progress |= nir_opt_peephole_ffma(nir); nir_validate_shader(nir); - nir_print_shader(nir, stderr); + } while (progress); + nir_print_shader(nir, stderr); - nir_convert_from_ssa(nir); - nir_print_shader(nir, stderr); - nir_validate_shader(nir); - nir_lower_vec_to_movs(nir); - nir_validate_shader(nir); - } + nir_convert_from_ssa(nir); + nir_validate_shader(nir); + nir_print_shader(nir, stderr); + nir_lower_vec_to_movs(nir); + nir_validate_shader(nir); /* emit the arrays used for inputs and outputs - load/store intrinsics will * be converted to reads/writes of these arrays -- cgit v1.2.3