LLVM
8.0.1
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This is used by foldAnyOrAllBitsSet() to capture a source value (Root) and the bit indexes (Mask) needed by a masked compare. More...
Public Member Functions | |
MaskOps (unsigned BitWidth, bool MatchAnds) | |
Public Attributes | |
Value * | Root |
APInt | Mask |
bool | MatchAndChain |
bool | FoundAnd1 |
This is used by foldAnyOrAllBitsSet() to capture a source value (Root) and the bit indexes (Mask) needed by a masked compare.
If we're matching a chain of 'and' ops, then we also need to capture the fact that we saw an "and X, 1", so that's an extra return value for that case.
Definition at line 159 of file AggressiveInstCombine.cpp.
Definition at line 165 of file AggressiveInstCombine.cpp.
bool MaskOps::FoundAnd1 |
Definition at line 163 of file AggressiveInstCombine.cpp.
Referenced by matchAndOrChain().
APInt MaskOps::Mask |
Definition at line 161 of file AggressiveInstCombine.cpp.
Referenced by matchAndOrChain().
bool MaskOps::MatchAndChain |
Definition at line 162 of file AggressiveInstCombine.cpp.
Referenced by matchAndOrChain().
Value* MaskOps::Root |
Definition at line 160 of file AggressiveInstCombine.cpp.
Referenced by matchAndOrChain().