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from fa273182f48 Compute safety information in a much finer granularity. new c3187b408ef AMDGPU: Move v_readlane lane select from VGPR to SGPR new f322f9268ce [APInt] Add ashrInPlace method and rewrite ashr to make a c [...] new 772deb9cd55 InstCombine: Fix assert when reassociating fsub with undef
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Summary of changes: include/llvm/ADT/APInt.h | 33 ++++++- include/llvm/ADT/APSInt.h | 2 +- include/llvm/IR/IntrinsicsAMDGPU.td | 2 + lib/Support/APInt.cpp | 112 ++++++++--------------- lib/Target/AMDGPU/SIInstrInfo.cpp | 13 +++ lib/Transforms/InstCombine/InstCombineAddSub.cpp | 5 + test/CodeGen/AMDGPU/llvm.amdgcn.readlane.ll | 17 ++++ test/Transforms/InstCombine/fsub.ll | 44 +++++++++ unittests/ADT/APIntTest.cpp | 36 ++++++++ 9 files changed, 185 insertions(+), 79 deletions(-)