Cleanup and Fixup MLIR reverse mode #4933

Job	Run time
Enzyme CI LLVM 11 Release ubuntu-20.04	4m 26s
Enzyme CI LLVM 11 Debug ubuntu-20.04	4m 11s
Enzyme CI LLVM 12 Release macOS	7m 39s
Enzyme CI LLVM 12 Release ubuntu-20.04	4m 22s
Enzyme CI LLVM 12 Debug macOS	6m 13s
Enzyme CI LLVM 12 Debug ubuntu-20.04	3m 54s
Enzyme CI LLVM 13 Release macOS	7m 26s
Enzyme CI LLVM 13 Release ubuntu-20.04	4m 17s
Enzyme CI LLVM 13 Debug macOS	5m 19s
Enzyme CI LLVM 13 Debug ubuntu-20.04	4m 1s
Enzyme CI LLVM 14 Release macOS	6m 9s
Enzyme CI LLVM 14 Release ubuntu-20.04	4m 31s
Enzyme CI LLVM 14 Debug macOS	5m 9s
Enzyme CI LLVM 14 Debug ubuntu-20.04	4m 3s
Enzyme CI LLVM 15 Release macOS	5m 40s
Enzyme CI LLVM 15 Release ubuntu-20.04	4m 36s
Enzyme CI LLVM 15 Debug macOS	5m 33s
Enzyme CI LLVM 15 Debug ubuntu-20.04	4m 5s
Enzyme CI LLVM 16 Release macOS	7m 50s
Enzyme CI LLVM 13 Release macOS XCode	3m 53s
Enzyme CI LLVM 16 Release ubuntu-20.04	4m 17s
Enzyme CI LLVM 16 Debug macOS	5m 50s
Enzyme CI LLVM 16 Debug ubuntu-20.04	3m 51s
	1h 57m 15s

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