From 633fc04ba441d294fd24bab2d422fdea93b565db Mon Sep 17 00:00:00 2001
From: Denys Zadorozhnyi <denys@zadorozhnyi.com>
Date: Mon, 18 Sep 2023 18:02:44 +0300
Subject: [PATCH] test: temporarily translate unsupported `call_indirect`,
 `ctz`, `clz`

to get dlmalloc code translation further.
---
 frontend-wasm/src/code_translator.rs               | 14 ++++++++++++++
 .../src/code_translator/tests_unsupported.rs       | 14 +++++++-------
 2 files changed, 21 insertions(+), 7 deletions(-)

diff --git a/frontend-wasm/src/code_translator.rs b/frontend-wasm/src/code_translator.rs
index 029127762..1149905c9 100644
--- a/frontend-wasm/src/code_translator.rs
+++ b/frontend-wasm/src/code_translator.rs
@@ -119,6 +119,14 @@ pub fn translate_operator(
         Operator::Call { function_index } => {
             translate_call(state, builder, function_index, mod_info, span, diagnostics)?;
         }
+        Operator::CallIndirect {
+            type_index: _,
+            table_index: _,
+            table_byte: _,
+        } => {
+            builder.ins().unreachable(span);
+            state.reachable = false;
+        }
         /******************************* Memory management *********************************/
         Operator::MemoryGrow { .. } => {
             // Do nothing and return total Miden memory size
@@ -196,6 +204,12 @@ pub fn translate_operator(
             let val = state.pop1();
             state.push1(builder.ins().trunc(val, I32, span));
         }
+        Operator::I32Clz | Operator::I32Ctz => {
+            let val = state.pop1();
+            // Using popcnt (same sig as ctz/clz) to get dlmalloc code processed further
+            // TODO: use proper instructions when available
+            state.push1(builder.ins().popcnt(val, span));
+        }
         /****************************** Binary Operators ************************************/
         Operator::I32Add | Operator::I64Add => {
             let (arg1, arg2) = state.pop2();
diff --git a/frontend-wasm/src/code_translator/tests_unsupported.rs b/frontend-wasm/src/code_translator/tests_unsupported.rs
index a1bf91517..d3dfd0962 100644
--- a/frontend-wasm/src/code_translator/tests_unsupported.rs
+++ b/frontend-wasm/src/code_translator/tests_unsupported.rs
@@ -59,11 +59,11 @@ fn check_unsupported(op: &Operator) {
 
 // Wasm Spec v1.0
 const UNSUPPORTED_WASM_V1_OPS: &[Operator] = &[
-    CallIndirect {
-        type_index: 0,
-        table_index: 0,
-        table_byte: 0,
-    },
+    // CallIndirect {
+    //     type_index: 0,
+    //     table_index: 0,
+    //     table_byte: 0,
+    // },
     /****************************** Memory Operators ************************************/
     F32Load {
         memarg: MemArg {
@@ -89,8 +89,8 @@ const UNSUPPORTED_WASM_V1_OPS: &[Operator] = &[
     // },
 
     /****************************** Unary Operators ************************************/
-    I32Ctz,
-    I32Clz,
+    // I32Ctz,
+    // I32Clz,
     I64Ctz,
     I64Clz,
     F32Sqrt,