From 2292b7111657d0f46665ee7ff290ed09c60576ea Mon Sep 17 00:00:00 2001
From: jim19930609 <jim19930609@gmail.com>
Date: Wed, 27 Apr 2022 14:23:30 +0800
Subject: [PATCH] [Bug] Remove redundant AllocStmt when lowering
 FrontendWhileStmt

---
 taichi/transforms/lower_ast.cpp | 1 -
 1 file changed, 1 deletion(-)

diff --git a/taichi/transforms/lower_ast.cpp b/taichi/transforms/lower_ast.cpp
index 5562ec9bb9188..5141724e19deb 100644
--- a/taichi/transforms/lower_ast.cpp
+++ b/taichi/transforms/lower_ast.cpp
@@ -156,7 +156,6 @@ class LowerAST : public IRVisitor {
     stmts->insert(
         std::make_unique<WhileControlStmt>(new_while->mask, cond_stmt),
         fctx.stmts.size());
-    stmt->insert_before_me(std::make_unique<AllocaStmt>(PrimitiveType::i32));
     auto &&const_stmt =
         std::make_unique<ConstStmt>(TypedConstant((int32)0xFFFFFFFF));
     auto const_stmt_ptr = const_stmt.get();