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* Add address space mangling to lifetime intrinsicsMatt Arsenault2017-04-101-4/+4
| | | | | | In preparation for allowing allocas to have non-0 addrspace. llvm-svn: 299876
* FastISel needs to remove dead code when it bails out.Paul Robinson2015-12-141-0/+147
When FastISel fails to translate an instruction it hands off code generation to SelectionDAG. Before it does so, it may have generated local value instructions to feed phi nodes in successor blocks. These instructions will then be generated again by SelectionDAG, causing duplication and less efficient code, including extra spill instructions. Patch by Wolfgang Pieb! Differential Revision: http://reviews.llvm.org/D11768 llvm-svn: 255520
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