search for: simplifyindvals

...e in some nested loop situations. The pass is target independent. >From the description in the file header: This optimization finds loop exit values reevaluated after the loop execution and replaces them by the corresponding exit values if they are available. Such sequences can arise after the SimplifyIndVals+LoopStrengthReduce passes. This pass should be run after LoopStrengthReduce. A former colleague created this pass back in LLVM 2.9 and we've been using it ever since. I've done some light refactoring and modernization. This pass broke 4 existing tests that were sensitive to generated cod...