- Builder.DisableUnrollLoops = OptLevel == 0;
- Builder.DisableSimplifyLibCalls = DisableSimplifyLibCalls;
-
+ Builder.DisableUnrollLoops = (DisableLoopUnrolling.getNumOccurrences() > 0) ?
+ DisableLoopUnrolling : OptLevel == 0;
+
+ // This is final, unless there is a #pragma vectorize enable
+ if (DisableLoopVectorization)
+ Builder.LoopVectorize = false;
+ // If option wasn't forced via cmd line (-vectorize-loops, -loop-vectorize)
+ else if (!Builder.LoopVectorize)
+ Builder.LoopVectorize = OptLevel > 1 && SizeLevel < 2;
+
+ // When #pragma vectorize is on for SLP, do the same as above
+ Builder.SLPVectorize =
+ DisableSLPVectorization ? false : OptLevel > 1 && SizeLevel < 2;
+