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ir_function_allocate_locals prototype

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Wolfgang (Blub) Bumiller 2012-06-25 14:14:34 +02:00
parent ebfc73e48a
commit 01af44f3c8
1 changed files with 15 additions and 1 deletions
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16
ir.c
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@ -138,6 +138,7 @@ ir_value* ir_builder_create_global(ir_builder *self, const char *name, int vtype
bool ir_function_naive_phi(ir_function*); bool ir_function_naive_phi(ir_function*);
void ir_function_enumerate(ir_function*); void ir_function_enumerate(ir_function*);
bool ir_function_calculate_liferanges(ir_function*); bool ir_function_calculate_liferanges(ir_function*);
bool ir_function_allocate_locals(ir_function*);
ir_function* ir_function_new(ir_builder* owner) ir_function* ir_function_new(ir_builder* owner)
{ {
@ -223,6 +224,9 @@ bool ir_function_finalize(ir_function *self)
if (!ir_function_calculate_liferanges(self)) if (!ir_function_calculate_liferanges(self))
return false; return false;
if (!ir_function_allocate_locals(self))
return false;
return true; return true;
} }
@ -1414,6 +1418,16 @@ bool ir_function_calculate_liferanges(ir_function *self)
return true; return true;
} }
/* Local-value allocator
* After finishing creating the liferange of all values used in a function
* we can allocate their global-positions.
* This is the counterpart to register-allocation in register machines.
*/
bool ir_function_allocate_locals(ir_function *self)
{
return false;
}
/* Get information about which operand /* Get information about which operand
* is read from, or written to. * is read from, or written to.
*/ */
@ -1983,8 +1997,8 @@ static bool gen_global_function(ir_builder *ir, ir_value *global)
fun.argsize[i] = 1; fun.argsize[i] = 1;
} }
fun.locals = irfun->locals_count;
fun.firstlocal = code_globals_elements; fun.firstlocal = code_globals_elements;
fun.locals = irfun->locals_count;
for (i = 0; i < irfun->locals_count; ++i) { for (i = 0; i < irfun->locals_count; ++i) {
if (!ir_builder_gen_global(ir, irfun->locals[i])) { if (!ir_builder_gen_global(ir, irfun->locals[i])) {
printf("Failed to generate global %s\n", irfun->locals[i]->name); printf("Failed to generate global %s\n", irfun->locals[i]->name);