diff options
Diffstat (limited to 'mesalib/src/glsl/opt_function_inlining.cpp')
-rw-r--r-- | mesalib/src/glsl/opt_function_inlining.cpp | 62 |
1 files changed, 5 insertions, 57 deletions
diff --git a/mesalib/src/glsl/opt_function_inlining.cpp b/mesalib/src/glsl/opt_function_inlining.cpp index ec8b72c63..4ff4d97d9 100644 --- a/mesalib/src/glsl/opt_function_inlining.cpp +++ b/mesalib/src/glsl/opt_function_inlining.cpp @@ -53,7 +53,6 @@ public: virtual ir_visitor_status visit_enter(ir_expression *); virtual ir_visitor_status visit_enter(ir_call *); - virtual ir_visitor_status visit_enter(ir_assignment *); virtual ir_visitor_status visit_enter(ir_return *); virtual ir_visitor_status visit_enter(ir_texture *); virtual ir_visitor_status visit_enter(ir_swizzle *); @@ -63,23 +62,10 @@ public: bool -automatic_inlining_predicate(ir_instruction *ir) -{ - ir_call *call = ir->as_call(); - - if (call && can_inline(call)) - return true; - - return false; -} - -bool do_function_inlining(exec_list *instructions) { ir_function_inlining_visitor v; - do_expression_flattening(instructions, automatic_inlining_predicate); - v.run(instructions); return v.progress; @@ -89,12 +75,12 @@ static void replace_return_with_assignment(ir_instruction *ir, void *data) { void *ctx = ralloc_parent(ir); - ir_variable *retval = (ir_variable *)data; + ir_dereference *orig_deref = (ir_dereference *) data; ir_return *ret = ir->as_return(); if (ret) { if (ret->value) { - ir_rvalue *lhs = new(ctx) ir_dereference_variable(retval); + ir_rvalue *lhs = orig_deref->clone(ctx, NULL); ret->replace_with(new(ctx) ir_assignment(lhs, ret->value, NULL)); } else { /* un-valued return has to be the last return, or we shouldn't @@ -106,14 +92,13 @@ replace_return_with_assignment(ir_instruction *ir, void *data) } } -ir_rvalue * +void ir_call::generate_inline(ir_instruction *next_ir) { void *ctx = ralloc_parent(this); ir_variable **parameters; int num_parameters; int i; - ir_variable *retval = NULL; struct hash_table *ht; ht = hash_table_ctor(0, hash_table_pointer_hash, hash_table_pointer_compare); @@ -124,13 +109,6 @@ ir_call::generate_inline(ir_instruction *next_ir) parameters = new ir_variable *[num_parameters]; - /* Generate storage for the return value. */ - if (!this->callee->return_type->is_void()) { - retval = new(ctx) ir_variable(this->callee->return_type, "_ret_val", - ir_var_auto); - next_ir->insert_before(retval); - } - /* Generate the declarations for the parameters to our inlined code, * and set up the mapping of real function body variables to ours. */ @@ -185,7 +163,7 @@ ir_call::generate_inline(ir_instruction *next_ir) ir_instruction *new_ir = ir->clone(ctx, ht); new_instructions.push_tail(new_ir); - visit_tree(new_ir, replace_return_with_assignment, retval); + visit_tree(new_ir, replace_return_with_assignment, this->return_deref); } /* If any samplers were passed in, replace any deref of the sampler @@ -238,11 +216,6 @@ ir_call::generate_inline(ir_instruction *next_ir) delete [] parameters; hash_table_dtor(ht); - - if (retval) - return new(ctx) ir_dereference_variable(retval); - else - return NULL; } @@ -282,13 +255,7 @@ ir_visitor_status ir_function_inlining_visitor::visit_enter(ir_call *ir) { if (can_inline(ir)) { - /* If the call was part of some tree, then it should have been - * flattened out or we shouldn't have seen it because of a - * visit_continue_with_parent in this visitor. - */ - assert(ir == base_ir); - - (void) ir->generate_inline(ir); + ir->generate_inline(ir); ir->remove(); this->progress = true; } @@ -297,25 +264,6 @@ ir_function_inlining_visitor::visit_enter(ir_call *ir) } -ir_visitor_status -ir_function_inlining_visitor::visit_enter(ir_assignment *ir) -{ - ir_call *call = ir->rhs->as_call(); - if (!call || !can_inline(call)) - return visit_continue; - - /* generates the parameter setup, function body, and returns the return - * value of the function - */ - ir_rvalue *rhs = call->generate_inline(ir); - assert(rhs); - - ir->rhs = rhs; - this->progress = true; - - return visit_continue; -} - /** * Replaces references to the "sampler" variable with a clone of "deref." * |