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intel/compiler/fs: Switch liveness analysis to IR analysis framework

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This involves wrapping fs_live_variables in a BRW_ANALYSIS object and
hooking it up to invalidate_analysis() so it's properly invalidated.
Seems like a lot of churn but it's fairly straightforward.  The
fs_visitor invalidate_ and calculate_live_intervals() methods are no
longer necessary after this change.

Reviewed-by: Matt Turner <mattst88@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4012>
This commit is contained in:
Francisco Jerez
2016-03-13 16:25:57 -07:00
committed by Matt Turner
parent bb8cfa6837
commit ea44de6d8c
12 changed files with 84 additions and 97 deletions
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3
src/intel/compiler/brw_fs_visitor.cpp
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@@ -886,6 +886,7 @@ fs_visitor::fs_visitor(const struct brw_compiler *compiler, void *log_data,
: backend_shader(compiler, log_data, mem_ctx, shader, prog_data),
key(key), gs_compile(NULL), prog_data(prog_data),
input_vue_map(input_vue_map),
live_analysis(this),
dispatch_width(dispatch_width),
shader_time_index(shader_time_index),
bld(fs_builder(this, dispatch_width).at_end())
@@ -903,6 +904,7 @@ fs_visitor::fs_visitor(const struct brw_compiler *compiler, void *log_data,
&prog_data->base.base),
key(&c->key.base), gs_compile(c),
prog_data(&prog_data->base.base),
live_analysis(this),
dispatch_width(8),
shader_time_index(shader_time_index),
bld(fs_builder(this, dispatch_width).at_end())
@@ -933,7 +935,6 @@ fs_visitor::init()
this->first_non_payload_grf = 0;
this->max_grf = devinfo->gen >= 7 ? GEN7_MRF_HACK_START : BRW_MAX_GRF;
this->live_intervals = NULL;
this->regs_live_at_ip = NULL;
this->uniforms = 0;