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mask -Olocal-temps by IR_FLAG_MASK_NO_LOCAL_TEMPS which now equals IR_FLAG_MASK_NO_OVERLAP - though HAS_ARRAYS usually suffices, but not for code which _depends_ on uninitialized variables

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Wolfgang Bumiller 2013-01-12 14:02:45 +01:00
parent 2a4ea74a97
commit e8b5ad6625
2 changed files with 3 additions and 2 deletions
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2
ir.c
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@ -2204,7 +2204,7 @@ bool ir_function_allocate_locals(ir_function *self)
for (i = 0; i < vec_size(self->locals); ++i)
{
v = self->locals[i];
if (!OPTS_OPTIMIZATION(OPTIM_LOCAL_TEMPS)) {
if ((self->flags & IR_FLAG_MASK_NO_LOCAL_TEMPS) || !OPTS_OPTIMIZATION(OPTIM_LOCAL_TEMPS)) {
v->locked = true;
v->unique_life = true;
}

3
ir.h
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@ -281,7 +281,8 @@ typedef struct ir_function_s
#define IR_FLAG_HAS_UNINITIALIZED (1<<2)
#define IR_FLAG_HAS_GOTO (1<<3)
#define IR_FLAG_INCLUDE_DEF (1<<4)
#define IR_FLAG_MASK_NO_OVERLAP (IR_FLAG_HAS_ARRAYS | IR_FLAG_HAS_UNINITIALIZED)
#define IR_FLAG_MASK_NO_OVERLAP (IR_FLAG_HAS_ARRAYS | IR_FLAG_HAS_UNINITIALIZED)
#define IR_FLAG_MASK_NO_LOCAL_TEMPS (IR_FLAG_HAS_ARRAYS | IR_FLAG_HAS_UNINITIALIZED)
ir_function* ir_function_new(struct ir_builder_s *owner, int returntype);
void ir_function_delete(ir_function*);