Fix some 80 column violations. Fix DecomposeSimpleLinearExpr to handle simple constants better. Don't nuke gep(bitcast(allocation)) if the bitcast(allocation) will fold the allocation.  This fixes PR1728 and Instcombine/malloc3.ll
Fix some 80 column violations.
Fix DecomposeSimpleLinearExpr to handle simple constants better.
Don't nuke gep(bitcast(allocation)) if the bitcast(allocation) will
fold the allocation.  This fixes PR1728 and Instcombine/malloc3.ll


git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@42891 91177308-0d34-0410-b5e6-96231b3b80d8

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