[clang] [clang][bytecode] Remove useless emitCheckAllocations calls (PR #186385)
Timm Baeder via cfe-commits
cfe-commits at lists.llvm.org
Fri Mar 13 06:06:29 PDT 2026
https://github.com/tbaederr created https://github.com/llvm/llvm-project/pull/186385
The one at the top of visitExpr doesn't make sense (we *just* started visiting the expression, how can there be leaked allocations?) and the one at the bottom is already handled via maybeDestroyLocals.
>From 34b2a3ea1e4a398a5b17e35e1189727754071440 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Timm=20B=C3=A4der?= <tbaeder at redhat.com>
Date: Fri, 13 Mar 2026 14:03:38 +0100
Subject: [PATCH] [clang][bytecode] Remove useless emitCheckAllocations calls
The one at the top of visitExpr doesn't make sense (we *just* started
visiting the expression, how can there be leaked allocations?) and the
one at the bottom is already handled via maybeDestroyLocals.
---
clang/lib/AST/ByteCode/Compiler.cpp | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)
diff --git a/clang/lib/AST/ByteCode/Compiler.cpp b/clang/lib/AST/ByteCode/Compiler.cpp
index 27ae2eeb1b99c..13d6dcc92356d 100644
--- a/clang/lib/AST/ByteCode/Compiler.cpp
+++ b/clang/lib/AST/ByteCode/Compiler.cpp
@@ -5056,12 +5056,6 @@ template <class Emitter>
bool Compiler<Emitter>::visitExpr(const Expr *E, bool DestroyToplevelScope) {
LocalScope<Emitter> RootScope(this, ScopeKind::FullExpression);
- // If we won't destroy the toplevel scope, check for memory leaks first.
- if (!DestroyToplevelScope) {
- if (!this->emitCheckAllocations(E))
- return false;
- }
-
auto maybeDestroyLocals = [&]() -> bool {
if (DestroyToplevelScope)
return RootScope.destroyLocals() && this->emitCheckAllocations(E);
@@ -5102,7 +5096,7 @@ bool Compiler<Emitter>::visitExpr(const Expr *E, bool DestroyToplevelScope) {
return this->emitRetValue(E) && maybeDestroyLocals();
}
- return maybeDestroyLocals() && this->emitCheckAllocations(E) && false;
+ return maybeDestroyLocals() && false;
}
template <class Emitter>
More information about the cfe-commits
mailing list