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Don't allocate globals for constants that aren't read

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This commit is contained in:
Dale Weiler 2015-01-30 00:40:59 -05:00
parent ff37abb0c7
commit e922403aa8
1 changed files with 6 additions and 1 deletions
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7
ir.c
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@ -3772,6 +3772,8 @@ static bool ir_builder_gen_global(ir_builder *self, ir_value *global, bool isloc
{
ir_value_code_setaddr(global, vec_size(self->code->globals));
if (global->hasvalue) {
if (global->cvq == CV_CONST && !vec_size(global->reads))
return true;
iptr = (int32_t*)&global->constval.ivec[0];
vec_push(self->code->globals, *iptr);
} else {
@ -3787,7 +3789,10 @@ static bool ir_builder_gen_global(ir_builder *self, ir_value *global, bool isloc
{
ir_value_code_setaddr(global, vec_size(self->code->globals));
if (global->hasvalue) {
uint32_t load = code_genstring(self->code, global->constval.vstring);
uint32_t load;
if (global->cvq == CV_CONST && !vec_size(global->reads))
return true;
load = code_genstring(self->code, global->constval.vstring);
vec_push(self->code->globals, load);
} else {
vec_push(self->code->globals, 0);