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Move the ValueMap lookup inside linkFunctionBody. NFC.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223659 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2014-12-08 14:25:26 +00:00
parent eaa2992eb2
commit 968f0454b8
1 changed files with 15 additions and 16 deletions
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31
lib/Linker/LinkModules.cpp
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@ -492,7 +492,7 @@ private:
void linkAppendingVarInit(const AppendingVarInfo &AVI);
void linkGlobalInits();
bool linkFunctionBody(Function *Dst, Function *Src);
bool linkFunctionBody(Function &Src);
void linkAliasBodies();
void linkNamedMDNodes();
};
@ -1169,27 +1169,28 @@ void ModuleLinker::linkGlobalInits() {
/// Copy the source function over into the dest function and fix up references
/// to values. At this point we know that Dest is an external function, and
/// that Src is not.
bool ModuleLinker::linkFunctionBody(Function *Dst, Function *Src) {
assert(Src && Dst && Dst->isDeclaration() && !Src->isDeclaration());
bool ModuleLinker::linkFunctionBody(Function &Src) {
Function *Dst = cast<Function>(ValueMap[&Src]);
assert(Dst && Dst->isDeclaration() && !Src.isDeclaration());
// Materialize if needed.
if (std::error_code EC = Src->materialize())
if (std::error_code EC = Src.materialize())
return emitError(EC.message());
// Link in the prefix data.
if (Src->hasPrefixData())
Dst->setPrefixData(MapValue(Src->getPrefixData(), ValueMap, RF_None,
if (Src.hasPrefixData())
Dst->setPrefixData(MapValue(Src.getPrefixData(), ValueMap, RF_None,
&TypeMap, &ValMaterializer));
// Link in the prologue data.
if (Src->hasPrologueData())
Dst->setPrologueData(MapValue(Src->getPrologueData(), ValueMap, RF_None,
if (Src.hasPrologueData())
Dst->setPrologueData(MapValue(Src.getPrologueData(), ValueMap, RF_None,
&TypeMap, &ValMaterializer));
// Go through and convert function arguments over, remembering the mapping.
Function::arg_iterator DI = Dst->arg_begin();
for (Argument &Arg : Src->args()) {
for (Argument &Arg : Src.args()) {
DI->setName(Arg.getName()); // Copy the name over.
// Add a mapping to our mapping.
@ -1198,7 +1199,7 @@ bool ModuleLinker::linkFunctionBody(Function *Dst, Function *Src) {
}
// Splice the body of the source function into the dest function.
Dst->getBasicBlockList().splice(Dst->end(), Src->getBasicBlockList());
Dst->getBasicBlockList().splice(Dst->end(), Src.getBasicBlockList());
// At this point, all of the instructions and values of the function are now
// copied over. The only problem is that they are still referencing values in
@ -1210,10 +1211,10 @@ bool ModuleLinker::linkFunctionBody(Function *Dst, Function *Src) {
&ValMaterializer);
// There is no need to map the arguments anymore.
for (Argument &Arg : Src->args())
for (Argument &Arg : Src.args())
ValueMap.erase(&Arg);
Src->Dematerialize();
Src.Dematerialize();
return false;
}
@ -1492,8 +1493,7 @@ bool ModuleLinker::run() {
if (DoNotLinkFromSource.count(&SF))
continue;
Function *DF = cast<Function>(ValueMap[&SF]);
if (linkFunctionBody(DF, &SF))
if (linkFunctionBody(SF))
return true;
}
@ -1518,8 +1518,7 @@ bool ModuleLinker::run() {
Function *SF = LazilyLinkFunctions.back();
LazilyLinkFunctions.pop_back();
Function *DF = cast<Function>(ValueMap[SF]);
if (linkFunctionBody(DF, SF))
if (linkFunctionBody(*SF))
return true;
}