[PATCH] D62806: [X86] X86DAGToDAGISel::matchBitExtract(): pattern c: truncation awareness

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri marked an inline comment as done.
lebedev.ri added inline comments.


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Comment at: test/CodeGen/X86/extract-bits.ll:6593
   %numhighbits = sub i64 64, %numlowbits
   %mask = lshr i64 4294967295, %numhighbits
   %masked = and i64 %mask, %shifted
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Ah no, this is wrong.


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D62806/new/

https://reviews.llvm.org/D62806