diff options
Diffstat (limited to 'llvm/lib/CodeGen/AsmPrinter')
| -rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp | 11 | ||||
| -rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/DwarfExpression.cpp | 3 |
2 files changed, 10 insertions, 4 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp index 155cd4c0191..7e147e8466a 100644 --- a/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp @@ -768,15 +768,18 @@ void DwarfCompileUnit::addComplexAddress(const DbgVariable &DV, DIE &Die, DIELoc *Loc = new (DIEValueAllocator) DIELoc(); DIEDwarfExpression DwarfExpr(*Asm, *this, *Loc); DIExpression Expr = DV.getExpression(); + bool ValidReg; if (Location.getOffset()) { - if (DwarfExpr.AddMachineRegIndirect(Location.getReg(), - Location.getOffset())) + ValidReg = DwarfExpr.AddMachineRegIndirect(Location.getReg(), + Location.getOffset()); + if (ValidReg) DwarfExpr.AddExpression(Expr); } else - DwarfExpr.AddMachineRegExpression(Expr, Location.getReg()); + ValidReg = DwarfExpr.AddMachineRegExpression(Expr, Location.getReg()); // Now attach the location information to the DIE. - addBlock(Die, Attribute, Loc); + if (ValidReg) + addBlock(Die, Attribute, Loc); } /// Add a Dwarf loclistptr attribute data and value. diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfExpression.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfExpression.cpp index f3d3fb45bb2..7c5c879289b 100644 --- a/llvm/lib/CodeGen/AsmPrinter/DwarfExpression.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/DwarfExpression.cpp @@ -92,6 +92,9 @@ bool DwarfExpression::AddMachineRegPiece(unsigned MachineReg, unsigned PieceSizeInBits, unsigned PieceOffsetInBits) { const TargetRegisterInfo *TRI = getTRI(); + if (!TRI->isPhysicalRegister(MachineReg)) + return false; + int Reg = TRI->getDwarfRegNum(MachineReg, false); // If this is a valid register number, emit it. |
