[PATCH] D48768: [X86] When have BMI2, prefer shifts to clear low/high bits, rather than variable mask.
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Mon Jul 9 12:11:44 PDT 2018
This revision was automatically updated to reflect the committed changes.
Closed by commit rL336585: [X86][TLI] DAGCombine: Unfold variable bit-clearing mask to two shifts. (authored by lebedevri, committed by ).
Changed prior to commit:
https://reviews.llvm.org/D48768?vs=153948&id=154673#toc
Repository:
rL LLVM
https://reviews.llvm.org/D48768
Files:
llvm/trunk/include/llvm/CodeGen/TargetLowering.h
llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
llvm/trunk/lib/Target/X86/X86ISelLowering.h
llvm/trunk/test/CodeGen/X86/clear-highbits.ll
llvm/trunk/test/CodeGen/X86/clear-lowbits.ll
llvm/trunk/test/CodeGen/X86/extract-lowbits.ll
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