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nir/loop_analyze: Eliminate nir_basic_induction_var

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No longer used. All of the information that was previously track here is
tracked directly in nir_loop_variable... and, technically speaking, has
been tracked there ever since 0b9639c35d.

Reviewed-by: Caio Oliveira <caio.oliveira@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21289>
This commit is contained in:
Ian Romanick 2023-02-07 13:11:51 -08:00 • committed by Marge Bot
parent e444ed9210
commit 4edf1cdd3d
1 changed files with 0 additions and 14 deletions
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14
src/compiler/nir/nir_loop_analyze.c
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@ -33,11 +33,6 @@ typedef enum {
basic_induction
} nir_loop_variable_type;
typedef struct nir_basic_induction_var {
nir_alu_instr *alu; /* The def of the alu-operation */
nir_ssa_def *def_outside_loop; /* The phi-src outside the loop */
} nir_basic_induction_var;
typedef struct {
/* A link for the work list */
struct list_head process_link;
@ -50,9 +45,6 @@ typedef struct {
/* The type of this ssa_def */
nir_loop_variable_type type;
/* If this is of type basic_induction */
struct nir_basic_induction_var *ind;
/* True if variable is in an if branch */
bool in_if_branch;
@ -421,7 +413,6 @@ compute_induction_information(loop_info_state *state)
continue;
nir_phi_instr *phi = nir_instr_as_phi(var->def->parent_instr);
nir_basic_induction_var *biv = rzalloc(state, nir_basic_induction_var);
nir_loop_variable *alu_src_var = NULL;
nir_foreach_phi_src(src, phi) {
@ -485,9 +476,7 @@ compute_induction_information(loop_info_state *state)
alu_src_var->init_src = var->init_src;
alu_src_var->update_src = var->update_src;
alu_src_var->type = basic_induction;
alu_src_var->ind = biv;
var->type = basic_induction;
var->ind = biv;
found_induction_var = true;
num_induction_vars += 2;
@ -497,16 +486,13 @@ compute_induction_information(loop_info_state *state)
alu_src_var->update_src = var->update_src;
num_induction_vars += 2;
ralloc_free(biv);
} else {
var->init_src = NULL;
var->update_src = NULL;
ralloc_free(biv);
}
} else {
var->init_src = NULL;
var->update_src = NULL;
ralloc_free(biv);
}
}