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| author | Matt Turner <mattst88@gmail.com> | 2014-06-28 20:02:51 -0700 |
|---|---|---|
| committer | Matt Turner <mattst88@gmail.com> | 2014-07-01 08:55:52 -0700 |
| commit | 2e90d1fb62a6ef53c15eff76e242c510145178a9 (patch) | |
| tree | 57ea18f128ff1fa1a4c76a90ad06376d509b6a6b /src/mesa/drivers/dri/i965/brw_fs_live_variables.cpp | |
| parent | ec1b2d6aa075c678f0eb0405be64253450f995a1 (diff) | |
| download | external_mesa3d-2e90d1fb62a6ef53c15eff76e242c510145178a9.zip external_mesa3d-2e90d1fb62a6ef53c15eff76e242c510145178a9.tar.gz external_mesa3d-2e90d1fb62a6ef53c15eff76e242c510145178a9.tar.bz2 | |
i965/fs: Pass cfg to calculate_live_intervals().
We've often created the CFG immediately before, so use it when
available.
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_fs_live_variables.cpp')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs_live_variables.cpp | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs_live_variables.cpp b/src/mesa/drivers/dri/i965/brw_fs_live_variables.cpp index 0973dc9..585dc3d 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_live_variables.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_live_variables.cpp @@ -243,7 +243,7 @@ fs_live_variables::var_from_reg(fs_reg *reg) return var_from_vgrf[reg->reg] + reg->reg_offset; } -fs_live_variables::fs_live_variables(fs_visitor *v, cfg_t *cfg) +fs_live_variables::fs_live_variables(fs_visitor *v, const cfg_t *cfg) : v(v), cfg(cfg) { mem_ctx = ralloc_context(NULL); @@ -304,7 +304,7 @@ fs_visitor::invalidate_live_intervals() * information about whole VGRFs. */ void -fs_visitor::calculate_live_intervals() +fs_visitor::calculate_live_intervals(const cfg_t *cfg) { if (this->live_intervals) return; @@ -320,8 +320,12 @@ fs_visitor::calculate_live_intervals() virtual_grf_end[i] = -1; } - cfg_t cfg(&instructions); - this->live_intervals = new(mem_ctx) fs_live_variables(this, &cfg); + if (cfg) { + this->live_intervals = new(mem_ctx) fs_live_variables(this, cfg); + } else { + cfg_t cfg(&instructions); + this->live_intervals = new(mem_ctx) fs_live_variables(this, &cfg); + } /* Merge the per-component live ranges to whole VGRF live ranges. */ for (int i = 0; i < live_intervals->num_vars; i++) { |