From: fennecdjay <astor.jeremie@wanadoo.fr>
Date: Sun, 20 Jan 2019 20:22:58 +0000 (+0100)
Subject: :art: Pure optimization
X-Git-Tag: nightly~2762^2~6
X-Git-Url: http://10.11.0.4:5575/?a=commitdiff_plain;h=5acee7a427c481744a32bf897994466115a48918;p=gwion.git

:art: Pure optimization
---

diff --git a/src/emit/emit.c b/src/emit/emit.c
index 67b1648b..8b59dbb1 100644
--- a/src/emit/emit.c
+++ b/src/emit/emit.c
@@ -715,9 +715,12 @@ static inline void stack_alloc_this(const Emitter emit) {
 static m_bool scoped_stmt(const Emitter emit, const Stmt stmt, const m_bool pop) {
   ++emit->env->scope;
   emit_push_scope(emit);
-  emit_add_instr(emit, GcIni);
+  const m_bool pure = SAFE_FLAG(emit->env->func, pure);
+  if(!pure)
+    emit_add_instr(emit, GcIni);
   CHECK_BB(emit_stmt(emit, stmt, pop))
-  emit_add_instr(emit, GcEnd);
+  if(!pure)
+    emit_add_instr(emit, GcEnd);
   emit_pop_scope(emit);
   --emit->env->scope;
   return GW_OK;