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Revert r211399, "Generate native unwind info on Win64"

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It broke Legacy JIT Tests on x86_64-{mingw32|msvc}, aka Windows x64.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211480 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
NAKAMURA Takumi
2014-06-22 22:00:56 +00:00
parent ddf2a7902a
commit 9124b45918
19 changed files with 222 additions and 639 deletions
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45
lib/CodeGen/MachineFunction.cpp
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@ -457,7 +457,7 @@ unsigned MachineFunction::addLiveIn(unsigned PReg,
/// getJTISymbol - Return the MCSymbol for the specified non-empty jump table.
/// If isLinkerPrivate is specified, an 'l' label is returned, otherwise a
/// normal 'L' label is returned.
MCSymbol *MachineFunction::getJTISymbol(unsigned JTI, MCContext &Ctx,
MCSymbol *MachineFunction::getJTISymbol(unsigned JTI, MCContext &Ctx,
bool isLinkerPrivate) const {
const DataLayout *DL = getTarget().getDataLayout();
assert(JumpTableInfo && "No jump tables");
@ -530,9 +530,10 @@ int MachineFrameInfo::CreateStackObject(uint64_t Size, unsigned Alignment,
///
int MachineFrameInfo::CreateSpillStackObject(uint64_t Size,
unsigned Alignment) {
Alignment = clampStackAlignment(
!getFrameLowering()->isStackRealignable() || !RealignOption, Alignment,
getFrameLowering()->getStackAlignment());
Alignment =
clampStackAlignment(!getFrameLowering()->isStackRealignable() ||
!RealignOption,
Alignment, getFrameLowering()->getStackAlignment());
CreateStackObject(Size, Alignment, true);
int Index = (int)Objects.size() - NumFixedObjects - 1;
ensureMaxAlignment(Alignment);
@ -547,9 +548,10 @@ int MachineFrameInfo::CreateSpillStackObject(uint64_t Size,
int MachineFrameInfo::CreateVariableSizedObject(unsigned Alignment,
const AllocaInst *Alloca) {
HasVarSizedObjects = true;
Alignment = clampStackAlignment(
!getFrameLowering()->isStackRealignable() || !RealignOption, Alignment,
getFrameLowering()->getStackAlignment());
Alignment =
clampStackAlignment(!getFrameLowering()->isStackRealignable() ||
!RealignOption,
Alignment, getFrameLowering()->getStackAlignment());
Objects.push_back(StackObject(0, Alignment, 0, false, false, Alloca));
ensureMaxAlignment(Alignment);
return (int)Objects.size()-NumFixedObjects-1;
@ -569,30 +571,16 @@ int MachineFrameInfo::CreateFixedObject(uint64_t Size, int64_t SPOffset,
// object is 16-byte aligned.
unsigned StackAlign = getFrameLowering()->getStackAlignment();
unsigned Align = MinAlign(SPOffset, StackAlign);
Align = clampStackAlignment(!getFrameLowering()->isStackRealignable() ||
!RealignOption,
Align, getFrameLowering()->getStackAlignment());
Align =
clampStackAlignment(!getFrameLowering()->isStackRealignable() ||
!RealignOption,
Align, getFrameLowering()->getStackAlignment());
Objects.insert(Objects.begin(), StackObject(Size, Align, SPOffset, Immutable,
/*isSS*/ false,
/*Alloca*/ nullptr));
return -++NumFixedObjects;
}
/// CreateFixedSpillStackObject - Create a spill slot at a fixed location
/// on the stack. Returns an index with a negative value.
int MachineFrameInfo::CreateFixedSpillStackObject(uint64_t Size,
int64_t SPOffset) {
unsigned StackAlign = getFrameLowering()->getStackAlignment();
unsigned Align = MinAlign(SPOffset, StackAlign);
Align = clampStackAlignment(!getFrameLowering()->isStackRealignable() ||
!RealignOption,
Align, getFrameLowering()->getStackAlignment());
Objects.insert(Objects.begin(), StackObject(Size, Align, SPOffset,
/*Immutable*/ true,
/*isSS*/ true,
/*Alloca*/ nullptr));
return -++NumFixedObjects;
}
BitVector
MachineFrameInfo::getPristineRegs(const MachineBasicBlock *MBB) const {
@ -861,10 +849,11 @@ static bool CanShareConstantPoolEntry(const Constant *A, const Constant *B,
if (isa<StructType>(A->getType()) || isa<ArrayType>(A->getType()) ||
isa<StructType>(B->getType()) || isa<ArrayType>(B->getType()))
return false;
// For now, only support constants with the same size.
uint64_t StoreSize = TD->getTypeStoreSize(A->getType());
if (StoreSize != TD->getTypeStoreSize(B->getType()) || StoreSize > 128)
if (StoreSize != TD->getTypeStoreSize(B->getType()) ||
StoreSize > 128)
return false;
Type *IntTy = IntegerType::get(A->getContext(), StoreSize*8);
@ -893,7 +882,7 @@ static bool CanShareConstantPoolEntry(const Constant *A, const Constant *B,
/// an existing one. User must specify the log2 of the minimum required
/// alignment for the object.
///
unsigned MachineConstantPool::getConstantPoolIndex(const Constant *C,
unsigned MachineConstantPool::getConstantPoolIndex(const Constant *C,
unsigned Alignment) {
assert(Alignment && "Alignment must be specified!");
if (Alignment > PoolAlignment) PoolAlignment = Alignment;