Remove yet more WASM_BACKEND usage in src/. See #11860

src/library_stack_trace.js

@@ -5,15 +5,6 @@
  */
 
 var LibraryStackTrace = {
-
-  $demangle__deps: [
-#if MINIMAL_RUNTIME && !WASM_BACKEND
-  '$stackSave', '$stackAlloc', '$stackRestore'
-#if ASSERTIONS
-    , '$warnOnce'
-#endif
-#endif
-  ],
   $demangle: function(func) {
 #if DEMANGLE_SUPPORT
     // If demangle has failed before, stop demangling any further function names
@@ -54,11 +45,7 @@ var LibraryStackTrace = {
 
   $demangleAll: function(text) {
     var regex =
-#if WASM_BACKEND
       /\b_Z[\w\d_]+/g;
-#else
-      /\b__Z[\w\d_]+/g;
-#endif
     return text.replace(regex,
       function(x) {
         var y = demangle(x);

src/memoryprofiler.js

@@ -65,11 +65,7 @@ var emscriptenMemoryProfiler = {
   totalTimesFreeCalled: 0,
 
   // Tracks the highest seen location of the STACKTOP variable.
-#if WASM_BACKEND
   stackTopWatermark: Infinity,
-#else
-  stackTopWatermark: 0,
-#endif
 
   // The canvas DOM element to which to draw the allocation map.
   canvas: null,
@@ -160,11 +156,7 @@ var emscriptenMemoryProfiler = {
 
   recordStackWatermark: function() {
     var self = emscriptenMemoryProfiler;
-#if WASM_BACKEND
     self.stackTopWatermark = Math.min(self.stackTopWatermark, STACKTOP);
-#else
-    self.stackTopWatermark = Math.max(self.stackTopWatermark, STACKTOP);
-#endif
   },
 
   onMalloc: function onMalloc(ptr, size) {

src/modules.js

@@ -258,12 +258,10 @@ var LibraryManager = {
       }
     }
 
-    if (WASM_BACKEND) {
-      // all asm.js methods should just be run in JS. We should optimize them eventually into wasm. TODO
-      for (var x in lib) {
-        if (lib[x + '__asm']) {
-          lib[x + '__asm'] = undefined;
-        }
+    // all asm.js methods should just be run in JS. We should optimize them eventually into wasm. TODO
+    for (var x in lib) {
+      if (lib[x + '__asm']) {
+        lib[x + '__asm'] = undefined;
       }
     }
 

src/postamble.js

@@ -6,11 +6,6 @@
 
 // === Auto-generated postamble setup entry stuff ===
 
-#if !WASM_BACKEND && !WASM
-// asm.js startup is synchronous
-Module['asm'] = asm;
-#endif
-
 {{{ exportRuntime() }}}
 
 #if MEM_INIT_IN_WASM == 0
@@ -194,7 +189,7 @@ function callMain(args) {
     var start = Date.now();
 #endif
 
-#if WASM_BACKEND && STACK_OVERFLOW_CHECK >= 2
+#if STACK_OVERFLOW_CHECK >= 2
     Module['___set_stack_limit'](STACK_MAX);
 #endif
 

src/postamble_minimal.js

@@ -54,9 +54,7 @@ function initRuntime(asm) {
 
 #if USE_PTHREADS
   // Export needed variables that worker.js needs to Module.
-#if WASM_BACKEND
   Module['_emscripten_tls_init'] = _emscripten_tls_init;
-#endif
   Module['HEAPU32'] = HEAPU32;
   Module['dynCall_ii'] = dynCall_ii;
   Module['registerPthreadPtr'] = registerPthreadPtr;
@@ -88,26 +86,11 @@ var imports = {
   'env': asmLibraryArg
   , '{{{ WASI_MODULE_NAME }}}': asmLibraryArg
 #endif // MINIFY_WASM_IMPORTED_MODULES
-#if WASM_BACKEND == 0
-  , 'global': {
-    'NaN': NaN,
-    'Infinity': Infinity
-  },
-  'global.Math': Math,
-  'asm2wasm': {
-    'f64-rem': function(x, y) { return x % y; },
-    'debugger': function() {
-#if ASSERTIONS // Disable debugger; statement from being present in release builds to avoid Firefox deoptimizations, see https://bugzilla.mozilla.org/show_bug.cgi?id=1538375
-      debugger;
-#endif
-    }
-  }
-#endif
 };
 
 // In non-fastcomp non-asm.js builds, grab wasm exports to outer scope
 // for emscripten_get_exported_function() to be able to access them.
-#if (LibraryManager.has('library_exports.js')) && (WASM || WASM_BACKEND)
+#if LibraryManager.has('library_exports.js')) && WASM
 var asm;
 #endif
 
@@ -164,7 +147,7 @@ WebAssembly.instantiate(Module['wasm'], imports).then(function(output) {
   wasmModule = output.module || Module['wasm'];
 #endif
 
-#if !(LibraryManager.has('library_exports.js') && (WASM || WASM_BACKEND)) && !EMBIND
+#if !(LibraryManager.has('library_exports.js') && WASM) && !EMBIND
   // If not using the emscripten_get_exported_function() API or embind, keep the 'asm'
   // exports variable in local scope to this instantiate function to save code size.
   // (otherwise access it without to export it to outer scope)

src/preamble.js

@@ -47,9 +47,7 @@ var wasmMemory;
 // In fastcomp asm.js, we don't need a wasm Table at all.
 // In the wasm backend, we polyfill the WebAssembly object,
 // so this creates a (non-native-wasm) table for us.
-#if WASM_BACKEND || WASM
 #include "runtime_init_table.js"
-#endif // WASM_BACKEND || WASM
 
 #if USE_PTHREADS
 // For sending to workers.
@@ -790,11 +788,6 @@ Module['FS_createPreloadedFile'] = FS.createPreloadedFile;
 function createExportWrapper(name, fixedasm) {
   return function() {
     var displayName = name;
-#if !WASM_BACKEND
-    if (name[0] == '_') {
-      displayName = name.substr(1);
-    }
-#endif
     var asm = fixedasm;
     if (!fixedasm) {
       asm = Module['asm'];
@@ -887,15 +880,6 @@ function createWasm() {
     'env': asmLibraryArg,
     '{{{ WASI_MODULE_NAME }}}': asmLibraryArg
 #endif // MINIFY_WASM_IMPORTED_MODULES
-#if WASM_BACKEND == 0
-    ,
-    'global': {
-      'NaN': NaN,
-      'Infinity': Infinity
-    },
-    'global.Math': Math,
-    'asm2wasm': asm2wasmImports
-#endif
   };
   // Load the wasm module and create an instance of using native support in the JS engine.
   // handle a generated wasm instance, receiving its exports and
@@ -1148,10 +1132,6 @@ function createWasm() {
 }
 #endif
 
-#if WASM && !WASM_BACKEND // fastcomp wasm support: create an asm.js-like function
-Module['asm'] = createWasm;
-#endif
-
 // Globals used by JS i64 conversions
 var tempDouble;
 var tempI64;

src/preamble_minimal.js

@@ -166,7 +166,7 @@ var HEAPF32 = new Float32Array(buffer);
 var HEAPF64 = new Float64Array(buffer);
 #endif
 
-#if USE_PTHREADS && ((MEM_INIT_METHOD == 1 && !MEM_INIT_IN_WASM && !SINGLE_FILE) || (SINGLE_FILE && !WASM && !WASM_BACKEND) || USES_DYNAMIC_ALLOC)
+#if USE_PTHREADS && ((MEM_INIT_METHOD == 1 && !MEM_INIT_IN_WASM && !SINGLE_FILE) || USES_DYNAMIC_ALLOC)
 if (!ENVIRONMENT_IS_PTHREAD) {
 #endif
 
@@ -179,16 +179,11 @@ HEAPU8.set(new Uint8Array(Module['mem']), GLOBAL_BASE);
 
 #endif
 
-#if SINGLE_FILE && !WASM && !WASM_BACKEND
-#include "base64Decode.js"
-HEAPU8.set(base64Decode('{{{ getQuoted("BASE64_MEMORY_INITIALIZER") }}}'), GLOBAL_BASE);
-#endif
-
 #if USES_DYNAMIC_ALLOC
   HEAP32[DYNAMICTOP_PTR>>2] = {{{ getQuoted('DYNAMIC_BASE') }}};
 #endif
 
-#if USE_PTHREADS && ((MEM_INIT_METHOD == 1 && !MEM_INIT_IN_WASM && !SINGLE_FILE) || (SINGLE_FILE && !WASM && !WASM_BACKEND) || USES_DYNAMIC_ALLOC)
+#if USE_PTHREADS && ((MEM_INIT_METHOD == 1 && !MEM_INIT_IN_WASM && !SINGLE_FILE) || USES_DYNAMIC_ALLOC)
 }
 #endif