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Use covariant return types for Instruction::clone, and eliminate

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the forms of ExtractElementInst and InsertElementInst that are
equivalent to clone.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80041 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2009-08-25 22:29:08 +00:00
parent d8110fb726
commit 30f8091963
3 changed files with 26 additions and 33 deletions
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2
include/llvm/InstrTypes.h
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@@ -53,7 +53,7 @@ protected:
virtual void setSuccessorV(unsigned idx, BasicBlock *B) = 0;
public:
virtual Instruction *clone(LLVMContext &Context) const = 0;
virtual TerminatorInst *clone(LLVMContext &Context) const = 0;
/// getNumSuccessors - Return the number of successors that this terminator
/// has.