llvm new-pm: Add missing pipeline option and Passes

- Enable MergeFunctionsPass in non-debug build.
 - Verify input and output IR when the assertion is turned on.
 - Add AlwaysInlinePass in debug build.
 - Add more comments.
94383d14dfMin-Yih Hsu committed on 4/2/2021, 7:04:49 PM· committed by Andrew Kelleyparent0d53a2b
1 file changedLine totals unavailable