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path: root/mesalib/src/glsl/opt_dead_code_local.cpp
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Diffstat (limited to 'mesalib/src/glsl/opt_dead_code_local.cpp')
-rw-r--r--mesalib/src/glsl/opt_dead_code_local.cpp26
1 files changed, 13 insertions, 13 deletions
diff --git a/mesalib/src/glsl/opt_dead_code_local.cpp b/mesalib/src/glsl/opt_dead_code_local.cpp
index e7d46edbe..0c5c684a4 100644
--- a/mesalib/src/glsl/opt_dead_code_local.cpp
+++ b/mesalib/src/glsl/opt_dead_code_local.cpp
@@ -51,14 +51,14 @@ public:
assert(ir);
this->lhs = lhs;
this->ir = ir;
- this->available = ir->write_mask;
+ this->unused = ir->write_mask;
}
ir_variable *lhs;
ir_assignment *ir;
/* bitmask of xyzw channels written that haven't been used so far. */
- int available;
+ int unused;
};
class kill_for_derefs_visitor : public ir_hierarchical_visitor {
@@ -68,7 +68,7 @@ public:
this->assignments = assignments;
}
- void kill_channels(ir_variable *const var, int used)
+ void use_channels(ir_variable *const var, int used)
{
foreach_list_safe(n, this->assignments) {
assignment_entry *entry = (assignment_entry *) n;
@@ -76,14 +76,14 @@ public:
if (entry->lhs == var) {
if (var->type->is_scalar() || var->type->is_vector()) {
if (debug)
- printf("kill %s (0x%01x - 0x%01x)\n", entry->lhs->name,
- entry->available, used);
- entry->available &= ~used;
- if (!entry->available)
+ printf("used %s (0x%01x - 0x%01x)\n", entry->lhs->name,
+ entry->unused, used & 0xf);
+ entry->unused &= ~used;
+ if (!entry->unused)
entry->remove();
} else {
if (debug)
- printf("kill %s\n", entry->lhs->name);
+ printf("used %s\n", entry->lhs->name);
entry->remove();
}
}
@@ -92,7 +92,7 @@ public:
virtual ir_visitor_status visit(ir_dereference_variable *ir)
{
- kill_channels(ir->var, ~0);
+ use_channels(ir->var, ~0);
return visit_continue;
}
@@ -109,7 +109,7 @@ public:
used |= 1 << ir->mask.z;
used |= 1 << ir->mask.w;
- kill_channels(deref->var, used);
+ use_channels(deref->var, used);
return visit_continue_with_parent;
}
@@ -202,7 +202,7 @@ process_assignment(void *ctx, ir_assignment *ir, exec_list *assignments)
if (entry->lhs != var)
continue;
- int remove = entry->available & ir->write_mask;
+ int remove = entry->unused & ir->write_mask;
if (debug) {
printf("%s 0x%01x - 0x%01x = 0x%01x\n",
var->name,
@@ -219,7 +219,7 @@ process_assignment(void *ctx, ir_assignment *ir, exec_list *assignments)
}
entry->ir->write_mask &= ~remove;
- entry->available &= ~remove;
+ entry->unused &= ~remove;
if (entry->ir->write_mask == 0) {
/* Delete the dead assignment. */
entry->ir->remove();
@@ -283,7 +283,7 @@ process_assignment(void *ctx, ir_assignment *ir, exec_list *assignments)
foreach_list(n, assignments) {
assignment_entry *entry = (assignment_entry *) n;
- printf(" %s (0x%01x)\n", entry->lhs->name, entry->available);
+ printf(" %s (0x%01x)\n", entry->lhs->name, entry->unused);
}
}