- bool
- FixedStackPseudoSourceValue::isConstant(const MachineFrameInfo *MFI) const {
- return MFI && MFI->isImmutableObjectIndex(FI);
- }
+bool PseudoSourceValue::isAliased(const MachineFrameInfo *MFI) const {
+ if (this == getStack() ||
+ this == getGOT() ||
+ this == getConstantPool() ||
+ this == getJumpTable())
+ return false;
+ llvm_unreachable("Unknown PseudoSourceValue!");
+}
+
+bool PseudoSourceValue::mayAlias(const MachineFrameInfo *MFI) const {
+ if (this == getGOT() ||
+ this == getConstantPool() ||
+ this == getJumpTable())
+ return false;
+ return true;
+}
+
+bool FixedStackPseudoSourceValue::isConstant(const MachineFrameInfo *MFI) const{
+ return MFI && MFI->isImmutableObjectIndex(FI);
+}
+
+bool FixedStackPseudoSourceValue::isAliased(const MachineFrameInfo *MFI) const {
+ if (!MFI)
+ return true;
+ return MFI->isAliasedObjectIndex(FI);
+}
+
+bool FixedStackPseudoSourceValue::mayAlias(const MachineFrameInfo *MFI) const {
+ if (!MFI)
+ return true;
+ // Spill slots will not alias any LLVM IR value.
+ return !MFI->isSpillSlotObjectIndex(FI);
+}
+
+void FixedStackPseudoSourceValue::printCustom(raw_ostream &OS) const {
+ OS << "FixedStack" << FI;