From 0779388ff830e0636f3071e70546e33d3b645f54 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Thu, 13 Feb 2003 19:46:22 +0000 Subject: [PATCH] This speeds up processing LLVM a _lot_, 17% in the case of loading and destroying "vortex" git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5553 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/VMCore/Value.cpp | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/lib/VMCore/Value.cpp b/lib/VMCore/Value.cpp index f343a6c1551..ac13159e30a 100644 --- a/lib/VMCore/Value.cpp +++ b/lib/VMCore/Value.cpp @@ -89,7 +89,8 @@ void Value::killUse(User *U) { /* empty */; assert(i < Uses.size() && "Use not in uses list!!"); - Uses.erase(Uses.begin()+i); + Uses[i] = Uses.back(); + Uses.pop_back(); } //===----------------------------------------------------------------------===// -- 2.34.1