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c++: ir_block::m_exits

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This commit is contained in:
Wolfgang Bumiller 2016-12-03 20:34:42 +01:00
parent 566c17a964
commit 90f190f5e1
2 changed files with 6 additions and 9 deletions
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13
ir.cpp
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@ -745,7 +745,6 @@ ir_block::~ir_block()
for (size_t i = 0; i != vec_size(m_instr); ++i)
delete m_instr[i];
vec_free(m_instr);
vec_free(m_exits);
}
static void ir_block_delete_quick(ir_block* self)
@ -1379,8 +1378,8 @@ bool ir_block_create_if(ir_block *self, lex_ctx_t ctx, ir_value *v,
vec_push(self->m_instr, in);
vec_push(self->m_exits, ontrue);
vec_push(self->m_exits, onfalse);
self->m_exits.push_back(ontrue);
self->m_exits.push_back(onfalse);
ontrue->m_entries.push_back(self);
onfalse->m_entries.push_back(self);
return true;
@ -1399,7 +1398,7 @@ bool ir_block_create_jump(ir_block *self, lex_ctx_t ctx, ir_block *to)
in->m_bops[0] = to;
vec_push(self->m_instr, in);
vec_push(self->m_exits, to);
self->m_exits.push_back(to);
to->m_entries.push_back(self);
return true;
}
@ -2145,15 +2144,13 @@ static bool ir_block_life_propagate(ir_block *self, bool *changed)
{
ir_instr *instr;
ir_value *value;
size_t i, o, p, mem;
size_t i, o, mem;
// bitmasks which operands are read from or written to
size_t read, write;
self->m_living.clear();
p = vec_size(self->m_exits);
for (i = 0; i < p; ++i) {
ir_block *prev = self->m_exits[i];
for (auto &prev : self->m_exits) {
for (auto &it : prev->m_living)
if (!vec_ir_value_find(self->m_living, it, nullptr))
self->m_living.push_back(it);

2
ir.h
View file

@ -150,7 +150,7 @@ struct ir_block {
ir_instr **m_instr = nullptr;
std::vector<ir_block *> m_entries;
ir_block **m_exits = nullptr;
std::vector<ir_block *> m_exits;
std::vector<ir_value *> m_living;
/* For the temp-allocation */