Displaying 1 result from an estimated 1 matches for "e1575c66".
2020 Aug 05
2
llc -O2 vs. llc -O3 --> same debug-pass=Executions but output.obj differs?
Hello,
I'm trying to minimize the processing time for llc -O3 by using a three
step compilation process of
1. llc input.bc -stopafter=targetlibinfo -o input.mir
2. llc -run-pass={....min passes...} input.mir -o opt.mir
3. llc -startafter=machine-opt-remark-emitter -filetype=obj opt.mir -o
final.obj
Examining the passes produced by llc for O1,O2,O3 I compared (with XXX =
{1,2,3}):
llc