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Make CGBuilderTy a typedef again; its functionality has been rolled back 

into IRBuilder.

llvm-svn: 107687
This commit is contained in:
John McCall 2010-07-06 18:43:48 +00:00
parent ec9c6ae1cb
commit 189223e222
1 changed files with 2 additions and 49 deletions
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51
clang/lib/CodeGen/CGBuilder.h
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@ -17,58 +17,11 @@ namespace CodeGen {
// Don't preserve names on values in an optimized build.
#ifdef NDEBUG
typedef llvm::IRBuilder<false> CGBuilderSuperTy;
typedef llvm::IRBuilder<false> CGBuilderTy;
#else
typedef llvm::IRBuilder<> CGBuilderSuperTy;
typedef llvm::IRBuilder<> CGBuilderTy;
#endif
/// IR generation's wrapper around an LLVM IRBuilder.
class CGBuilderTy : public CGBuilderSuperTy {
public:
CGBuilderTy(llvm::LLVMContext &Context) : CGBuilderSuperTy(Context) {}
CGBuilderTy(llvm::BasicBlock *Block) : CGBuilderSuperTy(Block) {}
CGBuilderTy(llvm::BasicBlock *Block, llvm::BasicBlock::iterator Point)
: CGBuilderSuperTy(Block, Point) {}
CGBuilderTy(const CGBuilderTy &Builder)
: CGBuilderSuperTy(Builder.getContext()) {
if (Builder.GetInsertBlock())
SetInsertPoint(Builder.GetInsertBlock(), Builder.GetInsertPoint());
}
/// A saved insertion point.
class InsertPoint {
llvm::BasicBlock *Block;
llvm::BasicBlock::iterator Point;
public:
InsertPoint(llvm::BasicBlock *Block, llvm::BasicBlock::iterator Point)
: Block(Block), Point(Point) {}
bool isSet() const { return (Block != 0); }
llvm::BasicBlock *getBlock() const { return Block; }
llvm::BasicBlock::iterator getPoint() const { return Point; }
};
InsertPoint saveIP() const {
return InsertPoint(GetInsertBlock(), GetInsertPoint());
}
InsertPoint saveAndClearIP() {
InsertPoint IP(GetInsertBlock(), GetInsertPoint());
ClearInsertionPoint();
return IP;
}
void restoreIP(InsertPoint IP) {
if (IP.isSet())
SetInsertPoint(IP.getBlock(), IP.getPoint());
else
ClearInsertionPoint();
}
};
} // end namespace CodeGen
} // end namespace clang