Oh my. Basic CFA/DFA, local variable support, misc fixes, etc.

2014-02-02 00:33:57 -08:00
parent b29276e167
commit bca349b302
37 changed files with 3048 additions and 28 deletions
--- a/src/alloy/backend/ivm/ivm_assembler.cc
+++ b/src/alloy/backend/ivm/ivm_assembler.cc
@@ -74,6 +74,15 @@ int IVMAssembler::Assemble(
  builder->ResetLabelTags();

  // Function prologue.
+  size_t stack_size = 0;
+  auto locals = builder->locals();
+  for (auto it = locals.begin(); it != locals.end(); ++it) {
+    auto slot = *it;
+    size_t stack_offset = stack_size;
+    slot->set_constant(stack_offset);
+    stack_size += GetTypeSize(slot->type);
+  }
+  ctx.stack_size = stack_size;

  auto block = builder->first_block();
  while (block) {