llvm::SignBitsOps Namespace Reference

Functions
LLVM_ABI unsigned	rot (unsigned SrcSignBits, unsigned BitWidth, std::optional< APInt > RotAmt, bool IsRotateRight)
	Compute the number of sign bits after rotating a value.

Function Documentation

rot()

unsigned llvm::SignBitsOps::rot	(	unsigned	SrcSignBits,
		unsigned	BitWidth,
		std::optional< APInt >	RotAmt,
		bool	IsRotateRight )

Compute the number of sign bits after rotating a value.

Definition at line 1450 of file KnownBits.cpp.

References llvm::BitWidth.

Referenced by llvm::SelectionDAG::ComputeNumSignBits(), and llvm::GISelValueTracking::computeNumSignBits().