[IC] Turn non-null MD on pointer loads to range MD on integer loads.

[oota-llvm.git] / lib / CodeGen / MachineFunction.cpp

diff --git a/lib/CodeGen/MachineFunction.cpp b/lib/CodeGen/MachineFunction.cpp
index 8a2b610948b06f5e76d36815c270d3328f99c0c6..151a260e76462f7ec8bc34258a534005f852ed03 100644 (file)
--- a/lib/CodeGen/MachineFunction.cpp
+++ b/lib/CodeGen/MachineFunction.cpp
@@ -67,17 +67,14 @@ MachineFunction::MachineFunction(const Function *F, const TargetMachine &TM,
                        STI->getFrameLowering()->isStackRealignable(),
                        !F->hasFnAttribute("no-realign-stack"));
 
-  if (Fn->getAttributes().hasAttribute(AttributeSet::FunctionIndex,
-                                       Attribute::StackAlignment))
-    FrameInfo->ensureMaxAlignment(Fn->getAttributes().
-                                getStackAlignment(AttributeSet::FunctionIndex));
+  if (Fn->hasFnAttribute(Attribute::StackAlignment))
+    FrameInfo->ensureMaxAlignment(Fn->getFnStackAlignment());
 
   ConstantPool = new (Allocator) MachineConstantPool(TM);
   Alignment = STI->getTargetLowering()->getMinFunctionAlignment();
 
   // FIXME: Shouldn't use pref alignment if explicit alignment is set on Fn.
-  if (!Fn->getAttributes().hasAttribute(AttributeSet::FunctionIndex,
-                                        Attribute::OptimizeForSize))
+  if (!Fn->hasFnAttribute(Attribute::OptimizeForSize))
     Alignment = std::max(Alignment,
                          STI->getTargetLowering()->getPrefFunctionAlignment());
 
@@ -462,7 +459,7 @@ unsigned MachineFunction::addLiveIn(unsigned PReg,
 /// normal 'L' label is returned.
 MCSymbol *MachineFunction::getJTISymbol(unsigned JTI, MCContext &Ctx,
                                         bool isLinkerPrivate) const {
-  const DataLayout *DL = getSubtarget().getDataLayout();
+  const DataLayout *DL = getTarget().getDataLayout();
   assert(JumpTableInfo && "No jump tables");
   assert(JTI < JumpTableInfo->getJumpTables().size() && "Invalid JTI!");
 
@@ -477,7 +474,7 @@ MCSymbol *MachineFunction::getJTISymbol(unsigned JTI, MCContext &Ctx,
 /// getPICBaseSymbol - Return a function-local symbol to represent the PIC
 /// base.
 MCSymbol *MachineFunction::getPICBaseSymbol() const {
-  const DataLayout *DL = getSubtarget().getDataLayout();
+  const DataLayout *DL = getTarget().getDataLayout();
   return Ctx.GetOrCreateSymbol(Twine(DL->getPrivateGlobalPrefix())+
                                Twine(getFunctionNumber())+"$pb");
 }
@@ -587,13 +584,20 @@ int MachineFrameInfo::CreateFixedSpillStackObject(uint64_t Size,
   return -++NumFixedObjects;
 }
 
+int MachineFrameInfo::CreateFrameAllocation(uint64_t Size) {
+  // Force the use of a frame pointer. The intention is that this intrinsic be
+  // used in conjunction with unwind mechanisms that leak the frame pointer.
+  setFrameAddressIsTaken(true);
+  Size = RoundUpToAlignment(Size, StackAlignment);
+  return CreateStackObject(Size, StackAlignment, false);
+}
+
 BitVector
 MachineFrameInfo::getPristineRegs(const MachineBasicBlock *MBB) const {
   assert(MBB && "MBB must be valid");
   const MachineFunction *MF = MBB->getParent();
   assert(MF && "MBB must be part of a MachineFunction");
-  const TargetMachine &TM = MF->getTarget();
-  const TargetRegisterInfo *TRI = TM.getSubtargetImpl()->getRegisterInfo();
+  const TargetRegisterInfo *TRI = MF->getSubtarget().getRegisterInfo();
   BitVector BV(TRI->getNumRegs());
 
   // Before CSI is calculated, no registers are considered pristine. They can be
@@ -813,7 +817,7 @@ void MachineJumpTableInfo::dump() const { print(dbgs()); }
 void MachineConstantPoolValue::anchor() { }
 
 const DataLayout *MachineConstantPool::getDataLayout() const {
-  return TM.getSubtargetImpl()->getDataLayout();
+  return TM.getDataLayout();
 }
 
 Type *MachineConstantPoolEntry::getType() const {
@@ -835,13 +839,13 @@ MachineConstantPoolEntry::getSectionKind(const DataLayout *DL) const {
   switch (getRelocationInfo()) {
   default:
     llvm_unreachable("Unknown section kind");
-  case 2:
+  case Constant::GlobalRelocations:
     Kind = SectionKind::getReadOnlyWithRel();
     break;
-  case 1:
+  case Constant::LocalRelocation:
     Kind = SectionKind::getReadOnlyWithRelLocal();
     break;
-  case 0:
+  case Constant::NoRelocation:
     switch (DL->getTypeAllocSize(getType())) {
     case 4:
       Kind = SectionKind::getMergeableConst4();
@@ -853,7 +857,7 @@ MachineConstantPoolEntry::getSectionKind(const DataLayout *DL) const {
       Kind = SectionKind::getMergeableConst16();
       break;
     default:
-      Kind = SectionKind::getMergeableConst();
+      Kind = SectionKind::getReadOnly();
       break;
     }
   }