Ensure that HandlePHINodesInSuccessorBlocks is run for all blocks, even in FastISel mode in the case where FastISel successfully  selects all the instructions. 
Ensure that HandlePHINodesInSuccessorBlocks is run for all blocks,
even in FastISel mode in the case where FastISel successfully 
selects all the instructions. 


git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@55641 91177308-0d34-0410-b5e6-96231b3b80d8

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