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Give CloneBasicBlock an optional function argument to specify which function

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to add the cloned block to.  This allows the block to be added to the function
immediately, and all of the instructions to be immediately added to the function
symbol table, which speeds up the inliner from 3.7 -> 3.38s on the PR209.

llvm-svn: 11107
This commit is contained in:
Chris Lattner
2004-02-04 01:19:43 +00:00
parent d8a232b716
commit a6578ef318
2 changed files with 10 additions and 13 deletions
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7
llvm/lib/Transforms/Utils/CloneFunction.cpp
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@@ -42,8 +42,8 @@ static inline void RemapInstruction(Instruction *I,
// CloneBasicBlock - See comments in Cloning.h
BasicBlock *llvm::CloneBasicBlock(const BasicBlock *BB,
std::map<const Value*, Value*> &ValueMap,
const char *NameSuffix) {
BasicBlock *NewBB = new BasicBlock("");
const char *NameSuffix, Function *F) {
BasicBlock *NewBB = new BasicBlock("", F);
if (BB->hasName()) NewBB->setName(BB->getName()+NameSuffix);
// Loop over all instructions copying them over...
@@ -82,8 +82,7 @@ void llvm::CloneFunctionInto(Function *NewFunc, const Function *OldFunc,
const BasicBlock &BB = *BI;
// Create a new basic block and copy instructions into it!
BasicBlock *CBB = CloneBasicBlock(&BB, ValueMap, NameSuffix);
NewFunc->getBasicBlockList().push_back(CBB);
BasicBlock *CBB = CloneBasicBlock(&BB, ValueMap, NameSuffix, NewFunc);
ValueMap[&BB] = CBB; // Add basic block mapping.
if (ReturnInst *RI = dyn_cast<ReturnInst>(CBB->getTerminator()))