Insert resolved constants into the global map so they are reused correctly.
This bug was exposed linking the SPEC benchmark suite.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3888 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Linker/LinkModules.cpp b/lib/Linker/LinkModules.cpp
index beab3d5..6753f51 100644
--- a/lib/Linker/LinkModules.cpp
+++ b/lib/Linker/LinkModules.cpp
@@ -81,7 +81,7 @@
// automatically handle constant references correctly as well...
//
static Value *RemapOperand(const Value *In, map<const Value*, Value*> &LocalMap,
- const map<const Value*, Value*> *GlobalMap = 0) {
+ map<const Value*, Value*> *GlobalMap = 0) {
map<const Value*,Value*>::const_iterator I = LocalMap.find(In);
if (I != LocalMap.end()) return I->second;
@@ -148,7 +148,10 @@
}
// Cache the mapping in our local map structure...
- LocalMap.insert(std::make_pair(In, Result));
+ if (GlobalMap)
+ GlobalMap->insert(std::make_pair(In, Result));
+ else
+ LocalMap.insert(std::make_pair(In, Result));
return Result;
}
@@ -314,7 +317,7 @@
// function, and that Src is not.
//
static bool LinkFunctionBody(Function *Dest, const Function *Src,
- const map<const Value*, Value*> &GlobalMap,
+ map<const Value*, Value*> &GlobalMap,
string *Err = 0) {
assert(Src && Dest && Dest->isExternal() && !Src->isExternal());
map<const Value*, Value*> LocalMap; // Map for function local values