Rename Emscripten EHSjLj functions in wasm backend (#3191)

Now that we are renaming invoke wrappers and `emscripten_longjmp_jmpbuf`
in the wasm backend, this deletes all related renaming routines and
relevant tests. Depends on #3192.

Addresses: #3043 and #3081

Companions:
https://reviews.llvm.org/D88697
emscripten-core/emscripten#12399

1 files changed, 0 insertions, 18 deletions

diff --git a/src/passes/PostEmscripten.cpp b/src/passes/PostEmscripten.cpp
index 0c7521afc..eea7a1a34 100644
--- a/src/passes/PostEmscripten.cpp
+++ b/src/passes/PostEmscripten.cpp
@@ -78,9 +78,6 @@ struct OptimizeCalls : public WalkerPass<PostWalker<OptimizeCalls>> {
 
 struct PostEmscripten : public Pass {
   void run(PassRunner* runner, Module* module) override {
-    // Optimize imports
-    optimizeImports(runner, module);
-
     // Optimize calls
     OptimizeCalls().run(runner, module);
 
@@ -88,21 +85,6 @@ struct PostEmscripten : public Pass {
     optimizeExceptions(runner, module);
   }
 
-  void optimizeImports(PassRunner* runner, Module* module) {
-    // Calling emscripten_longjmp_jmpbuf is the same as emscripten_longjmp.
-    Name EMSCRIPTEN_LONGJMP("emscripten_longjmp");
-    Name EMSCRIPTEN_LONGJMP_JMPBUF("emscripten_longjmp_jmpbuf");
-    ImportInfo info(*module);
-    auto* emscripten_longjmp =
-      info.getImportedFunction(ENV, EMSCRIPTEN_LONGJMP);
-    auto* emscripten_longjmp_jmpbuf =
-      info.getImportedFunction(ENV, EMSCRIPTEN_LONGJMP_JMPBUF);
-    if (emscripten_longjmp && emscripten_longjmp_jmpbuf) {
-      // Both exist, so it is worth renaming so that we have only one.
-      emscripten_longjmp_jmpbuf->base = EMSCRIPTEN_LONGJMP;
-    }
-  }
-
   // Optimize exceptions (and setjmp) by removing unnecessary invoke* calls.
   // An invoke is a call to JS with a function pointer; JS does a try-catch
   // and calls the pointer, catching and reporting any error. If we know no