From 6d62e3c4be466888239a89c2e98713f60074aaea Mon Sep 17 00:00:00 2001
From: Heejin Ahn <aheejin@gmail.com>
Date: Fri, 22 Jan 2021 18:07:46 +0900
Subject: Remove exnref and br_on_exn (#3505)

This removes `exnref` type and `br_on_exn` instruction.
---
 src/wasm-interpreter.h | 21 ---------------------
 1 file changed, 21 deletions(-)

(limited to 'src/wasm-interpreter.h')

diff --git a/src/wasm-interpreter.h b/src/wasm-interpreter.h
index a825f99ef..1336a8d10 100644
--- a/src/wasm-interpreter.h
+++ b/src/wasm-interpreter.h
@@ -1354,25 +1354,6 @@ public:
     WASM_UNREACHABLE("throw");
   }
   Flow visitRethrow(Rethrow* curr) { WASM_UNREACHABLE("unimp"); }
-  Flow visitBrOnExn(BrOnExn* curr) {
-    NOTE_ENTER("BrOnExn");
-    Flow flow = this->visit(curr->exnref);
-    if (flow.breaking()) {
-      return flow;
-    }
-    const auto& value = flow.getSingleValue();
-    if (value.isNull()) {
-      trap("br_on_exn: argument is null");
-    }
-    auto ex = value.getExceptionPackage();
-    if (curr->event != ex.event) { // Not taken
-      return flow;
-    }
-    // Taken
-    flow.values = ex.values;
-    flow.breakTo = curr->name;
-    return flow;
-  }
   Flow visitI31New(I31New* curr) {
     NOTE_ENTER("I31New");
     Flow flow = visit(curr->value);
@@ -2033,7 +2014,6 @@ public:
           return Literal(load128(addr).data());
         case Type::funcref:
         case Type::externref:
-        case Type::exnref:
         case Type::anyref:
         case Type::eqref:
         case Type::dataref:
@@ -2093,7 +2073,6 @@ public:
           break;
         case Type::funcref:
         case Type::externref:
-        case Type::exnref:
         case Type::anyref:
         case Type::eqref:
         case Type::dataref:
-- 
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