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* make GVN try to rename inputs to the resultant replaced values, whichChris Lattner2008-12-151-1/+1
| | | | | | | | cleans up the generated code a bit. This should have the added benefit of not randomly renaming functions/globals like my previous patch did. :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61023 91177308-0d34-0410-b5e6-96231b3b80d8
* Temporarily revert r60973. It's inexplicably causing a failure when ↵Bill Wendling2008-12-131-1/+1
| | | | | | | | | | | | | | | | | | | | | | | self-hosting LLVM: llvm[2]: Linking Release executable opt (without symbols) ... Undefined symbols: "llvm::APFloat::IEEEsingle", referenced from: __ZN4llvm7APFloat10IEEEsingleE$non_lazy_ptr in libLLVMCore.a(Constants.o) __ZN4llvm7APFloat10IEEEsingleE$non_lazy_ptr in libLLVMCore.a(AsmWriter.o) __ZN4llvm7APFloat10IEEEsingleE$non_lazy_ptr in libLLVMCore.a(ConstantFold.o) "llvm::APFloat::IEEEdouble", referenced from: __ZN4llvm7APFloat10IEEEdoubleE$non_lazy_ptr in libLLVMCore.a(Constants.o) __ZN4llvm7APFloat10IEEEdoubleE$non_lazy_ptr in libLLVMCore.a(AsmWriter.o) __ZN4llvm7APFloat10IEEEdoubleE$non_lazy_ptr in libLLVMCore.a(ConstantFold.o) ld: symbol(s) not found This is in release mode. To replicate, compile llvm and llvm-gcc in optimized mode. Then build llvm, in optimized mode, with the newly created compiler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60977 91177308-0d34-0410-b5e6-96231b3b80d8
* make RLE preserve the name of the load that it replaces. This is justChris Lattner2008-12-131-1/+1
| | | | | | | a pretification of the IR. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60973 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix a misoptimization in aha.Owen Anderson2007-07-311-0/+313
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40642 91177308-0d34-0410-b5e6-96231b3b80d8