Duncan P. N. Exon Smith d6f8e4b03c CodeGen: Stop using LeakDetector for MachineInstr ...

Since `MachineInstr` is required to have a trivial destructor, it cannot
remove itself from `LeakDetection`.  Remove the calls.

As it happens, this requirement is because `MachineFunction` allocates
all `MachineInstr`s in a custom allocator; when the `MachineFunction` is
destroyed they're dropped of the edge.  There's no benefit to detecting
leaks.

llvm-svn: 224061

2014-12-11 21:51:37 +00:00

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