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from b538c2a07b8 [Bitcode] Update naming of UNOP_NEG to UNOP_FNEG new 1c7e337a362 [InstCombine] dropRedundantMaskingOfLeftShiftInput(): propa [...] new 17520ed1e33 [InstCombine][NFC] dropRedundantMaskingOfLeftShiftInput(): [...] new 322375e17ee [InstCombine] Move isSignBitCheck(), handle rest of the predicates new 516ff7eb242 [InstCombine][NFC] Tests for "conditional sign-extend of hi [...] new 0ddfa2f063d [InstCombine] Fold conditional sign-extend of high-bit-extr [...]
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Summary of changes: lib/Transforms/InstCombine/InstCombineAddSub.cpp | 110 +++ lib/Transforms/InstCombine/InstCombineCompares.cpp | 28 - lib/Transforms/InstCombine/InstCombineInternal.h | 39 + lib/Transforms/InstCombine/InstCombineShifts.cpp | 135 +-- ...riable-length-signext-after-high-bit-extract.ll | 1040 ++++++++++++++++++++ ...redundant-left-shift-input-masking-variant-a.ll | 2 +- ...redundant-left-shift-input-masking-variant-b.ll | 2 +- ...redundant-left-shift-input-masking-variant-c.ll | 2 +- ...redundant-left-shift-input-masking-variant-d.ll | 2 +- ...redundant-left-shift-input-masking-variant-e.ll | 2 +- 10 files changed, 1274 insertions(+), 88 deletions(-) create mode 100644 test/Transforms/InstCombine/conditional-variable-length-signext [...]