Fix differential use analysis of ivi #4514

Job	Run time
Enzyme CI LLVM 11 Release ubuntu-20.04	4m 24s
Enzyme CI LLVM 11 Debug ubuntu-20.04	4m 0s
Enzyme CI LLVM 12 Release ubuntu-20.04	4m 26s
Enzyme CI LLVM 12 Debug ubuntu-20.04	4m 14s
Enzyme CI LLVM 13 Release macOS XCode	9m 54s
Enzyme CI LLVM 11 Release macOS	10m 53s
Enzyme CI LLVM 13 Release ubuntu-20.04	4m 40s
Enzyme CI LLVM 11 Debug macOS	11m 14s
Enzyme CI LLVM 13 Debug ubuntu-20.04	3m 57s
Enzyme CI LLVM 12 Release macOS	11m 51s
Enzyme CI LLVM 14 Release ubuntu-20.04	4m 40s
Enzyme CI LLVM 12 Debug macOS	10m 47s
Enzyme CI LLVM 14 Debug ubuntu-20.04	3m 58s
Enzyme CI LLVM 13 Release macOS	8m 23s
Enzyme CI LLVM 15 Release ubuntu-20.04	4m 45s
Enzyme CI LLVM 13 Debug macOS	11m 23s
Enzyme CI LLVM 15 Debug ubuntu-20.04	4m 18s
Enzyme CI LLVM 14 Release macOS	14m 44s
Enzyme CI LLVM 16 Release ubuntu-20.04	4m 27s
Enzyme CI LLVM 14 Debug macOS	11m 34s
Enzyme CI LLVM 16 Debug ubuntu-20.04	4m 2s
Enzyme CI LLVM 15 Release macOS	9m 17s
Enzyme CI LLVM 15 Debug macOS	7m 11s
	2h 49m 2s

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