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06d6470c65
introduced by previous commit. - SelectCode now returns a SDNode*. If it is not null, the selected node produces the same number of results as the input node. The seletion loop is responsible for calling ReplaceAllUsesWith() to replace the input node with the output target node. For other cases, e.g. when load is folded, the selection code is responsible for calling ReplaceAllUsesOfValueWith() and SelectCode returns NULL. - Other clean ups. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29602 91177308-0d34-0410-b5e6-96231b3b80d8