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When not destroying the source, the linker is not remapping the types. Added support

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to CloneFunctionInto to allow remapping for this case.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147217 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Mon P Wang 2011-12-23 02:18:32 +00:00
parent cf985924fb
commit d24397a931
3 changed files with 9 additions and 6 deletions
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7
include/llvm/Transforms/Utils/Cloning.h
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@ -134,8 +134,8 @@ inline Function *CloneFunction(const Function *F, ClonedCodeInfo *CodeInfo = 0){
/// Clone OldFunc into NewFunc, transforming the old arguments into references
/// to VMap values. Note that if NewFunc already has basic blocks, the ones
/// cloned into it will be added to the end of the function. This function
/// fills in a list of return instructions, and can optionally append the
/// specified suffix to all values cloned.
/// fills in a list of return instructions, and can optionally remap types
/// and/or append the specified suffix to all values cloned.
///
/// If ModuleLevelChanges is false, VMap contains no non-identity GlobalValue
/// mappings.
@ -145,7 +145,8 @@ void CloneFunctionInto(Function *NewFunc, const Function *OldFunc,
bool ModuleLevelChanges,
SmallVectorImpl<ReturnInst*> &Returns,
const char *NameSuffix = "",
ClonedCodeInfo *CodeInfo = 0);
ClonedCodeInfo *CodeInfo = 0,
ValueMapTypeRemapper *TypeMapper = 0);
/// CloneAndPruneFunctionInto - This works exactly like CloneFunctionInto,
/// except that it does some simple constant prop and DCE on the fly. The

2
lib/Linker/LinkModules.cpp
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@ -890,7 +890,7 @@ void ModuleLinker::linkFunctionBody(Function *Dst, Function *Src) {
} else {
// Clone the body of the function into the dest function.
SmallVector<ReturnInst*, 8> Returns; // Ignore returns.
CloneFunctionInto(Dst, Src, ValueMap, false, Returns);
CloneFunctionInto(Dst, Src, ValueMap, false, Returns, "", NULL, &TypeMap);
}
// There is no need to map the arguments anymore.

6
lib/Transforms/Utils/CloneFunction.cpp
View File

@ -75,7 +75,8 @@ void llvm::CloneFunctionInto(Function *NewFunc, const Function *OldFunc,
ValueToValueMapTy &VMap,
bool ModuleLevelChanges,
SmallVectorImpl<ReturnInst*> &Returns,
const char *NameSuffix, ClonedCodeInfo *CodeInfo) {
const char *NameSuffix, ClonedCodeInfo *CodeInfo,
ValueMapTypeRemapper *TypeMapper) {
assert(NameSuffix && "NameSuffix cannot be null!");
#ifndef NDEBUG
@ -141,7 +142,8 @@ void llvm::CloneFunctionInto(Function *NewFunc, const Function *OldFunc,
// Loop over all instructions, fixing each one as we find it...
for (BasicBlock::iterator II = BB->begin(); II != BB->end(); ++II)
RemapInstruction(II, VMap,
ModuleLevelChanges ? RF_None : RF_NoModuleLevelChanges);
ModuleLevelChanges ? RF_None : RF_NoModuleLevelChanges,
TypeMapper);
}
/// CloneFunction - Return a copy of the specified function, but without