GlobalStatus.cpp File Reference

#include "llvm/Transforms/Utils/GlobalStatus.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/Constant.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/IR/GlobalVariable.h"
#include "llvm/IR/InstrTypes.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Use.h"
#include "llvm/IR/User.h"
#include "llvm/IR/Value.h"
#include "llvm/Support/AtomicOrdering.h"
#include "llvm/Support/Casting.h"
#include <algorithm>
#include <cassert>

Include dependency graph for GlobalStatus.cpp:

Go to the source code of this file.

Functions
static AtomicOrdering	strongerOrdering (AtomicOrdering X, AtomicOrdering Y)
	Return the stronger of the two ordering. More...
static bool	analyzeGlobalAux (const Value *V, GlobalStatus &GS, SmallPtrSetImpl< const Value * > &VisitedUsers)

Function Documentation

analyzeGlobalAux()

static bool analyzeGlobalAux ( const Value *  V, GlobalStatus &  GS, SmallPtrSetImpl< const Value * > &  VisitedUsers  )

static

Definition at line 64 of file GlobalStatus.cpp.

References assert(), F, llvm::X86AS::GS, I, llvm::GlobalStatus::InitializerStored, llvm::SmallPtrSetImpl< PtrType >::insert(), llvm::isSafeToDestroyConstant(), SI, llvm::GlobalStatus::Stored, llvm::GlobalStatus::StoredOnce, strongerOrdering(), and llvm::Value::uses().

Referenced by llvm::GlobalStatus::analyzeGlobal().

strongerOrdering()

static AtomicOrdering strongerOrdering ( AtomicOrdering  X, AtomicOrdering  Y  )

static

Return the stronger of the two ordering.

If the two orderings are acquire and release, then return AcquireRelease.

Definition at line 33 of file GlobalStatus.cpp.

References llvm::Acquire, llvm::AcquireRelease, llvm::max(), llvm::Release, X, and Y.

Referenced by analyzeGlobalAux().