search for: op_zip_iterator

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2017 Jun 17
5
LoopVectorize fails to vectorize loops with induction variables with PtrToInt/IntToPtr conversions
...t;op" one. For information, this test case has been reduced from a file generated by the Pythran compiler (https://github.com/serge-sans-paille/pythran). If we take a look at the generated IR without vectorization (using the -fno-vectorize clang flag), we get: > $ clang -O2 -S -emit-llvm op_zip_iterator.cpp -std=c++11 -o - -fno-vectorize > ; Function Attrs: norecurse uwtable > define void @_Z11op_distancePi16add_zip_iteratorS0_(i32* nocapture, i32*, i32* nocapture readonly, i32*, i32* nocapture readnone) local_unnamed_addr #0 { > ; This one is vectorized! > %6 = ptrtoint i32* %1 to...