Displaying 1 result from an estimated 1 matches for "b80c30ce".
2017 Jan 20
3
RFC: Need One True Way to check for -Oz/-Os (minsize, optsize) in passes...
Right now we have a healthy mixture of two ways to respond to -Oz and -Os
in LLVM:
1) Pass this info to the PassManagerBuilder and then toggle some flag to
the pass to change thresholds.
2) When running over IR, inspect it for the minsize or optsize attribute.
Regardless of the particulars of what these mean and/or how they relate to
-O2 vs -O3 for example, I'd really like to at least get to