From de17e9940ea728e7c895935aaca3c5766db80542 Mon Sep 17 00:00:00 2001 From: Owen Anderson Date: Wed, 17 Jun 2009 22:01:09 +0000 Subject: [PATCH] Use atomic increment here. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73643 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/VMCore/Mangler.cpp | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/lib/VMCore/Mangler.cpp b/lib/VMCore/Mangler.cpp index 0bd190ad4ed..1a68b890542 100644 --- a/lib/VMCore/Mangler.cpp +++ b/lib/VMCore/Mangler.cpp @@ -14,6 +14,7 @@ #include "llvm/Support/Mangler.h" #include "llvm/DerivedTypes.h" #include "llvm/Module.h" +#include "llvm/System/Atomic.h" #include "llvm/ADT/STLExtras.h" #include "llvm/ADT/StringExtras.h" #include "llvm/ADT/StringMap.h" @@ -164,8 +165,12 @@ std::string Mangler::getValueName(const GlobalValue *GV, const char * Suffix) { } else if (!GV->hasName()) { // Must mangle the global into a unique ID. unsigned TypeUniqueID = getTypeID(GV->getType()); - static unsigned GlobalID = 0; - Name = "__unnamed_" + utostr(TypeUniqueID) + "_" + utostr(GlobalID++); + static uint32_t GlobalID = 0; + + unsigned OldID = GlobalID; + sys::AtomicIncrement(&GlobalID); + + Name = "__unnamed_" + utostr(TypeUniqueID) + "_" + utostr(OldID); } else { if (GV->hasPrivateLinkage()) Name = makeNameProper(GV->getName() + Suffix, Prefix, PrivatePrefix);