Added tests

tests/optimizer/test-LittleEndianHeap-output.js

@@ -0,0 +1,18 @@
+a = HEAP8[x];
+HEAP8[x] = a;
+a = HEAPU8[x];
+HEAPU8[x] = a;
+a = LE_HEAP_LOAD_I16(x * 2);
+LE_HEAP_STORE_I16(x * 2, a);
+a = LE_HEAP_LOAD_U16(x * 2);
+LE_HEAP_STORE_U16(x * 2, a);
+a = LE_HEAP_LOAD_I32(x * 4);
+LE_HEAP_STORE_I32(x * 4, a);
+a = LE_HEAP_LOAD_U32(x * 4);
+LE_HEAP_STORE_U32(x * 4, a);
+a = LE_HEAP_LOAD_F32(x * 4);
+LE_HEAP_STORE_F32(x * 4, a);
+a = LE_HEAP_LOAD_F64(x * 8);
+LE_HEAP_STORE_F64(x * 8, a);
+HEAP[x];
+HeAp[x];

tests/optimizer/test-LittleEndianHeap.js

@@ -0,0 +1,18 @@
+a = HEAP8[x];     // HEAP8
+HEAP8[x] = a;
+a = HEAPU8[x];    // HEAPU8
+HEAPU8[x] = a;
+a = HEAP16[x];    // HEAP16
+HEAP16[x] = a;
+a = HEAPU16[x];   // HEAPU16
+HEAPU16[x] = a;
+a = HEAP32[x];    // HEAPI32
+HEAP32[x] = a;
+a = HEAPU32[x];   // HEAPU32
+HEAPU32[x] = a;
+a = HEAPF32[x];   // HEAPF32
+HEAPF32[x] = a;
+a = HEAPF64[x];   // HEAPF64
+HEAPF64[x] = a;
+HEAP[x];          // should not be changed
+HeAp[x];

tests/test_other.py

@@ -1814,7 +1814,8 @@ def test_js_optimizer(self):
       'growableHeap',
       'unsignPointers',
       'asanify',
-      'safeHeap'
+      'safeHeap',
+      'littleEndianHeap'
     ]
     for input, expected, passes in [
       (path_from_root('tests', 'optimizer', 'test-js-optimizer-minifyLocals.js'), open(path_from_root('tests', 'optimizer', 'test-js-optimizer-minifyLocals-output.js')).read(),
@@ -1861,6 +1862,8 @@ def test_js_optimizer(self):
        ['asanify']),
       (path_from_root('tests', 'optimizer', 'test-safeHeap.js'), open(path_from_root('tests', 'optimizer', 'test-safeHeap-output.js')).read(),
        ['safeHeap']),
+      (path_from_root('tests', 'optimizer', 'test-LittleEndianHeap.js'), open(path_from_root('tests', 'optimizer', 'test-LittleEndianHeap-output.js')).read(),
+       ['littleEndianHeap']),
     ]:
       print(input, passes)