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Extend RemapInstruction and friends to take an optional new parameter, a ValueMaterializer.

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Extend LinkModules to pass a ValueMaterializer to RemapInstruction and friends to lazily create Functions for lazily linked globals. This is a big win when linking small modules with large (mostly unused) library modules.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182776 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
James Molloy
2013-05-28 15:17:05 +00:00
parent 9903f75bf6
commit a84a83bbcd
6 changed files with 142 additions and 70 deletions
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5
lib/Transforms/Utils/CloneFunction.cpp
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@ -78,7 +78,8 @@ void llvm::CloneFunctionInto(Function *NewFunc, const Function *OldFunc,
bool ModuleLevelChanges,
SmallVectorImpl<ReturnInst*> &Returns,
const char *NameSuffix, ClonedCodeInfo *CodeInfo,
ValueMapTypeRemapper *TypeMapper) {
ValueMapTypeRemapper *TypeMapper,
ValueMaterializer *Materializer) {
assert(NameSuffix && "NameSuffix cannot be null!");
#ifndef NDEBUG
@ -147,7 +148,7 @@ void llvm::CloneFunctionInto(Function *NewFunc, const Function *OldFunc,
for (BasicBlock::iterator II = BB->begin(); II != BB->end(); ++II)
RemapInstruction(II, VMap,
ModuleLevelChanges ? RF_None : RF_NoModuleLevelChanges,
TypeMapper);
TypeMapper, Materializer);
}
/// CloneFunction - Return a copy of the specified function, but without