=== input wast ===
(module
 (memory $0 1)
 (export "test" (func $test))
 (func $test (param $0 i32) (result i32)
  (i32.load
    (i32.add
      (local.get $0)
      (i32.const 128)
    )
  )
 )
)

=== unoptimized ===
(module
 (type $i32_=>_i32 (func (param i32) (result i32)))
 (memory $0 1)
 (export "test" (func $test))
 (func $test (; 0 ;) (param $0 i32) (result i32)
  (i32.load
   (i32.add
    (local.get $0)
    (i32.const 128)
   )
  )
 )
)

=== optimized, lowMemoryUnused=false ===
(module
 (type $i32_=>_i32 (func (param i32) (result i32)))
 (memory $0 1)
 (export "test" (func $test))
 (func $test (; 0 ;) (; has Stack IR ;) (param $0 i32) (result i32)
  (i32.load
   (i32.add
    (local.get $0)
    (i32.const 128)
   )
  )
 )
)

// beginning a Binaryen API trace
#include <math.h>
#include <map>
#include "binaryen-c.h"
int main() {
  std::map<size_t, BinaryenExpressionRef> expressions;
  std::map<size_t, BinaryenFunctionRef> functions;
  std::map<size_t, BinaryenGlobalRef> globals;
  std::map<size_t, BinaryenEventRef> events;
  std::map<size_t, BinaryenExportRef> exports;
  std::map<size_t, RelooperBlockRef> relooperBlocks;
  BinaryenModuleRef the_module = NULL;
  RelooperRef the_relooper = NULL;
  BinaryenSetLowMemoryUnused(1);
  BinaryenGetLowMemoryUnused();
  return 0;
}
// ending a Binaryen API trace

=== optimized, lowMemoryUnused=true ===
(module
 (type $i32_=>_i32 (func (param i32) (result i32)))
 (memory $0 1)
 (export "test" (func $test))
 (func $test (; 0 ;) (; has Stack IR ;) (param $0 i32) (result i32)
  (i32.load offset=128
   (local.get $0)
  )
 )
)