From: Chad Rosier <mcrosier@apple.com>
Date: Wed, 13 Feb 2013 21:27:17 +0000 (+0000)
Subject: [ms-inline asm] Add a comment about the determinism of the rewrite sort.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=19aa3e37dcf09b126bbd83e11ec9059615c6bd8b;p=oota-llvm.git

[ms-inline asm] Add a comment about the determinism of the rewrite sort.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175082 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/MC/MCParser/AsmParser.cpp b/lib/MC/MCParser/AsmParser.cpp
index 2cce8b0e43f..aa07ecb4e5d 100644
--- a/lib/MC/MCParser/AsmParser.cpp
+++ b/lib/MC/MCParser/AsmParser.cpp
@@ -4030,6 +4030,8 @@ bool AsmParser::ParseDirectiveMSAlign(SMLoc IDLoc, ParseStatementInfo &Info) {
   return false;
 }
 
+// We are comparing pointers, but the pointers are relative to a single string.
+// Thus, this should always be deterministic.
 static int RewritesSort (const void *A, const void *B) {
   const AsmRewrite *AsmRewriteA = static_cast<const AsmRewrite*>(A);
   const AsmRewrite *AsmRewriteB = static_cast<const AsmRewrite*>(B);