InferAlignment.cpp File Reference

#include "llvm/Transforms/Scalar/InferAlignment.h"
#include "llvm/Analysis/AssumptionCache.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/IR/Instructions.h"
#include "llvm/Support/KnownBits.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Transforms/Utils/Local.h"

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Functions
static bool	tryToImproveAlign (const DataLayout &DL, Instruction *I, function_ref< Align(Value *PtrOp, Align OldAlign, Align PrefAlign)> Fn)
bool	inferAlignment (Function &F, AssumptionCache &AC, DominatorTree &DT)

Function Documentation

inferAlignment()

bool inferAlignment	(	Function &	F,
		AssumptionCache &	AC,
		DominatorTree &	DT
	)

Definition at line 42 of file InferAlignment.cpp.

References llvm::computeKnownBits(), llvm::KnownBits::countMinTrailingZeros(), DL, F, llvm::KnownBits::getBitWidth(), I, llvm::Value::MaxAlignmentExponent, llvm::tryEnforceAlignment(), and tryToImproveAlign().

Referenced by llvm::InferAlignmentPass::run().

tryToImproveAlign()

static bool tryToImproveAlign ( const DataLayout &  DL, Instruction *  I, function_ref< Align(Value *PtrOp, Align OldAlign, Align PrefAlign)>  Fn  )

static

Definition at line 24 of file InferAlignment.cpp.

References DL, llvm::getLoadStoreAlignment(), llvm::getLoadStorePointerOperand(), llvm::getLoadStoreType(), I, and llvm::setLoadStoreAlignment().

Referenced by inferAlignment().