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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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7
src/intel/compiler/brw_fs.h
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@@ -127,13 +127,13 @@ public:
void lower_constant_loads();
void invalidate_live_intervals();
virtual void invalidate_analysis(brw::analysis_dependency_class c);
void calculate_live_intervals();
void calculate_register_pressure();
void validate();
bool opt_algebraic();
bool opt_redundant_discard_jumps();
bool opt_cse();
bool opt_cse_local(bblock_t *block, int &ip);
bool opt_cse_local(const brw::fs_live_variables &live, bblock_t *block, int &ip);
bool opt_copy_propagation();
bool try_copy_propagate(fs_inst *inst, int arg, acp_entry *entry);
bool try_constant_propagate(fs_inst *inst, acp_entry *entry);
@@ -321,7 +321,8 @@ public:
int *param_size;
brw::fs_live_variables *live_intervals;
BRW_ANALYSIS(live_analysis, brw::fs_live_variables,
backend_shader *) live_analysis;
int *regs_live_at_ip;