LIR skeleton, renaming some types to prevent conflict.

src/alloy/backend/ivm/ivm_assembler.cc

@@ -13,7 +13,7 @@
 #include <alloy/backend/tracing.h>
 #include <alloy/backend/ivm/ivm_intcode.h>
 #include <alloy/backend/ivm/ivm_function.h>
-#include <alloy/hir/function_builder.h>
+#include <alloy/hir/hir_builder.h>
 #include <alloy/hir/label.h>
 #include <alloy/runtime/runtime.h>
 
@@ -54,7 +54,7 @@ void IVMAssembler::Reset() {
 }
 
 int IVMAssembler::Assemble(
-    FunctionInfo* symbol_info, FunctionBuilder* builder,
+    FunctionInfo* symbol_info, HIRBuilder* builder,
     DebugInfo* debug_info, Function** out_function) {
   IVMFunction* fn = new IVMFunction(symbol_info);
   fn->set_debug_info(debug_info);

src/alloy/backend/ivm/ivm_assembler.h

@@ -30,7 +30,7 @@ public:
   virtual void Reset();
 
   virtual int Assemble(
-      runtime::FunctionInfo* symbol_info, hir::FunctionBuilder* builder,
+      runtime::FunctionInfo* symbol_info, hir::HIRBuilder* builder,
       runtime::DebugInfo* debug_info, runtime::Function** out_function);
 
 private:

src/alloy/backend/ivm/ivm_intcode.cc

@@ -31,14 +31,15 @@ namespace backend {
 namespace ivm {
 
 
-//#define DPRINT printf
-//#define DFLUSH() fflush(stdout)
-#define DPRINT
-#define DFLUSH()
-//#define IPRINT printf
-//#define IFLUSH() fflush(stdout)
 #define IPRINT
 #define IFLUSH()
+#define DPRINT
+#define DFLUSH()
+
+//#define IPRINT if (ics.thread_state->thread_id() == 1) printf
+//#define IFLUSH() fflush(stdout)
+//#define DPRINT if (ics.thread_state->thread_id() == 1) printf
+//#define DFLUSH() fflush(stdout)
 
 
 uint32_t IntCode_INT_LOAD_CONSTANT(IntCodeState& ics, const IntCode* i) {