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from a21a486 Fix signed/unsigned comparison warning. new 33e17b4 PredicateInfo: Clean up predicate info a little, using insert [...] new edd367e NewGVN: Make ranking prefer undef to constants. Fix direction [...] new 072a5a0 NewGVN: Start making use of predicateinfo pass.
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Summary of changes: include/llvm/Transforms/Utils/PredicateInfo.h | 20 +- lib/Transforms/Scalar/NewGVN.cpp | 308 ++++++++++++++++++++++-- lib/Transforms/Utils/PredicateInfo.cpp | 160 ++++++------ test/Transforms/NewGVN/condprop.ll | 150 ------------ test/Transforms/NewGVN/predicates.ll | 111 +++++++++ test/Transforms/NewGVN/storeoverstore.ll | 42 ++-- test/Transforms/Util/PredicateInfo/condprop.ll | 3 +- test/Transforms/Util/PredicateInfo/testandor.ll | 20 +- 8 files changed, 539 insertions(+), 275 deletions(-) create mode 100644 test/Transforms/NewGVN/predicates.ll