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[Alignment][NFC] Convert StoreInst to MaybeAlign 

Summary:
This is patch is part of a series to introduce an Alignment type.
See this thread for context: http://lists.llvm.org/pipermail/llvm-dev/2019-July/133851.html
See this patch for the introduction of the type: https://reviews.llvm.org/D64790

Reviewers: courbet

Subscribers: hiraditya, jfb, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D69303

llvm-svn: 375499
This commit is contained in:
Guillaume Chatelet 2019-10-22 12:55:32 +00:00
parent 734c74ba14
commit 5b99c189b3
8 changed files with 39 additions and 46 deletions
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16
llvm/include/llvm/IR/Instructions.h
View File

@ -337,17 +337,15 @@ public:
StoreInst(Value *Val, Value *Ptr, bool isVolatile = false,
Instruction *InsertBefore = nullptr);
StoreInst(Value *Val, Value *Ptr, bool isVolatile, BasicBlock *InsertAtEnd);
StoreInst(Value *Val, Value *Ptr, bool isVolatile,
unsigned Align, Instruction *InsertBefore = nullptr);
StoreInst(Value *Val, Value *Ptr, bool isVolatile,
unsigned Align, BasicBlock *InsertAtEnd);
StoreInst(Value *Val, Value *Ptr, bool isVolatile,
unsigned Align, AtomicOrdering Order,
SyncScope::ID SSID = SyncScope::System,
StoreInst(Value *Val, Value *Ptr, bool isVolatile, MaybeAlign Align,
Instruction *InsertBefore = nullptr);
StoreInst(Value *Val, Value *Ptr, bool isVolatile,
unsigned Align, AtomicOrdering Order, SyncScope::ID SSID,
StoreInst(Value *Val, Value *Ptr, bool isVolatile, MaybeAlign Align,
BasicBlock *InsertAtEnd);
StoreInst(Value *Val, Value *Ptr, bool isVolatile, MaybeAlign Align,
AtomicOrdering Order, SyncScope::ID SSID = SyncScope::System,
Instruction *InsertBefore = nullptr);
StoreInst(Value *Val, Value *Ptr, bool isVolatile, MaybeAlign Align,
AtomicOrdering Order, SyncScope::ID SSID, BasicBlock *InsertAtEnd);
// allocate space for exactly two operands
void *operator new(size_t s) {

3
llvm/lib/AsmParser/LLParser.cpp
View File

@ -7016,8 +7016,7 @@ int LLParser::ParseStore(Instruction *&Inst, PerFunctionState &PFS) {
Ordering == AtomicOrdering::AcquireRelease)
return Error(Loc, "atomic store cannot use Acquire ordering");
Inst = new StoreInst(Val, Ptr, isVolatile, Alignment ? Alignment->value() : 0,
Ordering, SSID);
Inst = new StoreInst(Val, Ptr, isVolatile, Alignment, Ordering, SSID);
return AteExtraComma ? InstExtraComma : InstNormal;
}

6
llvm/lib/Bitcode/Reader/BitcodeReader.cpp
View File

@ -4851,8 +4851,7 @@ Error BitcodeReader::parseFunctionBody(Function *F) {
MaybeAlign Align;
if (Error Err = parseAlignmentValue(Record[OpNum], Align))
return Err;
I = new StoreInst(Val, Ptr, Record[OpNum + 1],
Align ? Align->value() : 0);
I = new StoreInst(Val, Ptr, Record[OpNum + 1], Align);
InstructionList.push_back(I);
break;
}
@ -4885,8 +4884,7 @@ Error BitcodeReader::parseFunctionBody(Function *F) {
MaybeAlign Align;
if (Error Err = parseAlignmentValue(Record[OpNum], Align))
return Err;
I = new StoreInst(Val, Ptr, Record[OpNum + 1], Align ? Align->value() : 0,
Ordering, SSID);
I = new StoreInst(Val, Ptr, Record[OpNum + 1], Align, Ordering, SSID);
InstructionList.push_back(I);
break;
}

40
llvm/lib/IR/Instructions.cpp
View File

@ -1371,50 +1371,46 @@ StoreInst::StoreInst(Value *val, Value *addr, BasicBlock *InsertAtEnd)
StoreInst::StoreInst(Value *val, Value *addr, bool isVolatile,
Instruction *InsertBefore)
: StoreInst(val, addr, isVolatile, /*Align=*/0, InsertBefore) {}
: StoreInst(val, addr, isVolatile, /*Align=*/None, InsertBefore) {}
StoreInst::StoreInst(Value *val, Value *addr, bool isVolatile,
BasicBlock *InsertAtEnd)
: StoreInst(val, addr, isVolatile, /*Align=*/0, InsertAtEnd) {}
: StoreInst(val, addr, isVolatile, /*Align=*/None, InsertAtEnd) {}
StoreInst::StoreInst(Value *val, Value *addr, bool isVolatile, unsigned Align,
StoreInst::StoreInst(Value *val, Value *addr, bool isVolatile, MaybeAlign Align,
Instruction *InsertBefore)
: StoreInst(val, addr, isVolatile, Align, AtomicOrdering::NotAtomic,
SyncScope::System, InsertBefore) {}
StoreInst::StoreInst(Value *val, Value *addr, bool isVolatile, unsigned Align,
StoreInst::StoreInst(Value *val, Value *addr, bool isVolatile, MaybeAlign Align,
BasicBlock *InsertAtEnd)
: StoreInst(val, addr, isVolatile, Align, AtomicOrdering::NotAtomic,
SyncScope::System, InsertAtEnd) {}
StoreInst::StoreInst(Value *val, Value *addr, bool isVolatile,
unsigned Align, AtomicOrdering Order,
SyncScope::ID SSID,
StoreInst::StoreInst(Value *val, Value *addr, bool isVolatile, MaybeAlign Align,
AtomicOrdering Order, SyncScope::ID SSID,
Instruction *InsertBefore)
: Instruction(Type::getVoidTy(val->getContext()), Store,
OperandTraits<StoreInst>::op_begin(this),
OperandTraits<StoreInst>::operands(this),
InsertBefore) {
: Instruction(Type::getVoidTy(val->getContext()), Store,
OperandTraits<StoreInst>::op_begin(this),
OperandTraits<StoreInst>::operands(this), InsertBefore) {
Op<0>() = val;
Op<1>() = addr;
setVolatile(isVolatile);
setAlignment(MaybeAlign(Align));
setAlignment(Align);
setAtomic(Order, SSID);
AssertOK();
}
StoreInst::StoreInst(Value *val, Value *addr, bool isVolatile,
unsigned Align, AtomicOrdering Order,
SyncScope::ID SSID,
StoreInst::StoreInst(Value *val, Value *addr, bool isVolatile, MaybeAlign Align,
AtomicOrdering Order, SyncScope::ID SSID,
BasicBlock *InsertAtEnd)
: Instruction(Type::getVoidTy(val->getContext()), Store,
OperandTraits<StoreInst>::op_begin(this),
OperandTraits<StoreInst>::operands(this),
InsertAtEnd) {
: Instruction(Type::getVoidTy(val->getContext()), Store,
OperandTraits<StoreInst>::op_begin(this),
OperandTraits<StoreInst>::operands(this), InsertAtEnd) {
Op<0>() = val;
Op<1>() = addr;
setVolatile(isVolatile);
setAlignment(MaybeAlign(Align));
setAlignment(Align);
setAtomic(Order, SSID);
AssertOK();
}
@ -4146,8 +4142,8 @@ LoadInst *LoadInst::cloneImpl() const {
StoreInst *StoreInst::cloneImpl() const {
return new StoreInst(getOperand(0), getOperand(1), isVolatile(),
getAlignment(), getOrdering(), getSyncScopeID());
MaybeAlign(getAlignment()), getOrdering(),
getSyncScopeID());
}
AtomicCmpXchgInst *AtomicCmpXchgInst::cloneImpl() const {

6
llvm/lib/Transforms/IPO/GlobalOpt.cpp
View File

@ -891,8 +891,8 @@ OptimizeGlobalAddressOfMalloc(GlobalVariable *GV, CallInst *CI, Type *AllocTy,
while (!GV->use_empty()) {
if (StoreInst *SI = dyn_cast<StoreInst>(GV->user_back())) {
// The global is initialized when the store to it occurs.
new StoreInst(ConstantInt::getTrue(GV->getContext()), InitBool, false, 0,
SI->getOrdering(), SI->getSyncScopeID(), SI);
new StoreInst(ConstantInt::getTrue(GV->getContext()), InitBool, false,
None, SI->getOrdering(), SI->getSyncScopeID(), SI);
SI->eraseFromParent();
continue;
}
@ -1726,7 +1726,7 @@ static bool TryToShrinkGlobalToBoolean(GlobalVariable *GV, Constant *OtherVal) {
}
}
StoreInst *NSI =
new StoreInst(StoreVal, NewGV, false, 0, SI->getOrdering(),
new StoreInst(StoreVal, NewGV, false, None, SI->getOrdering(),
SI->getSyncScopeID(), SI);
NSI->setDebugLoc(SI->getDebugLoc());
} else {

5
llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
View File

@ -1085,7 +1085,8 @@ Instruction *InstCombiner::simplifyMaskedStore(IntrinsicInst &II) {
// If the mask is all ones, this is a plain vector store of the 1st argument.
if (ConstMask->isAllOnesValue()) {
Value *StorePtr = II.getArgOperand(1);
unsigned Alignment = cast<ConstantInt>(II.getArgOperand(2))->getZExtValue();
MaybeAlign Alignment(
cast<ConstantInt>(II.getArgOperand(2))->getZExtValue());
return new StoreInst(II.getArgOperand(0), StorePtr, false, Alignment);
}
@ -2360,7 +2361,7 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) {
// Turn PPC VSX stores into normal stores.
Type *OpPtrTy = PointerType::getUnqual(II->getArgOperand(0)->getType());
Value *Ptr = Builder.CreateBitCast(II->getArgOperand(1), OpPtrTy);
return new StoreInst(II->getArgOperand(0), Ptr, false, 1);
return new StoreInst(II->getArgOperand(0), Ptr, false, Align::None());
}
case Intrinsic::ppc_qpx_qvlfs:
// Turn PPC QPX qvlfs -> load if the pointer is known aligned.

4
llvm/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
View File

@ -1579,8 +1579,8 @@ bool InstCombiner::mergeStoreIntoSuccessor(StoreInst &SI) {
// Advance to a place where it is safe to insert the new store and insert it.
BBI = DestBB->getFirstInsertionPt();
StoreInst *NewSI = new StoreInst(MergedVal, SI.getOperand(1),
SI.isVolatile(), SI.getAlignment(),
StoreInst *NewSI = new StoreInst(MergedVal, SI.getOperand(1), SI.isVolatile(),
MaybeAlign(SI.getAlignment()),
SI.getOrdering(), SI.getSyncScopeID());
InsertNewInstBefore(NewSI, *BBI);
NewSI->setDebugLoc(MergedLoc);

5
llvm/lib/Transforms/Scalar/DeadStoreElimination.cpp
View File

@ -1254,8 +1254,9 @@ static bool eliminateDeadStores(BasicBlock &BB, AliasAnalysis *AA,
auto *SI = new StoreInst(
ConstantInt::get(Earlier->getValueOperand()->getType(), Merged),
Earlier->getPointerOperand(), false, Earlier->getAlignment(),
Earlier->getOrdering(), Earlier->getSyncScopeID(), DepWrite);
Earlier->getPointerOperand(), false,
MaybeAlign(Earlier->getAlignment()), Earlier->getOrdering(),
Earlier->getSyncScopeID(), DepWrite);
unsigned MDToKeep[] = {LLVMContext::MD_dbg, LLVMContext::MD_tbaa,
LLVMContext::MD_alias_scope,