diff options
Diffstat (limited to 'llvm/lib/IR/DebugInfoMetadata.cpp')
| -rw-r--r-- | llvm/lib/IR/DebugInfoMetadata.cpp | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/llvm/lib/IR/DebugInfoMetadata.cpp b/llvm/lib/IR/DebugInfoMetadata.cpp index 13455ee4805..54062e2138b 100644 --- a/llvm/lib/IR/DebugInfoMetadata.cpp +++ b/llvm/lib/IR/DebugInfoMetadata.cpp @@ -819,24 +819,25 @@ DIExpression *DIExpression::prepend(const DIExpression *Expr, bool DerefBefore, DIExpression *DIExpression::prependOpcodes(const DIExpression *Expr, SmallVectorImpl<uint64_t> &Ops, bool StackValue) { + assert(Expr && "Can't prepend ops to this expression"); + // If there are no ops to prepend, do not even add the DW_OP_stack_value. if (Ops.empty()) StackValue = false; - if (Expr) - for (auto Op : Expr->expr_ops()) { - // A DW_OP_stack_value comes at the end, but before a DW_OP_LLVM_fragment. - if (StackValue) { - if (Op.getOp() == dwarf::DW_OP_stack_value) - StackValue = false; - else if (Op.getOp() == dwarf::DW_OP_LLVM_fragment) { - Ops.push_back(dwarf::DW_OP_stack_value); - StackValue = false; - } + for (auto Op : Expr->expr_ops()) { + // A DW_OP_stack_value comes at the end, but before a DW_OP_LLVM_fragment. + if (StackValue) { + if (Op.getOp() == dwarf::DW_OP_stack_value) + StackValue = false; + else if (Op.getOp() == dwarf::DW_OP_LLVM_fragment) { + Ops.push_back(dwarf::DW_OP_stack_value); + StackValue = false; } - Ops.push_back(Op.getOp()); - for (unsigned I = 0; I < Op.getNumArgs(); ++I) - Ops.push_back(Op.getArg(I)); } + Ops.push_back(Op.getOp()); + for (unsigned I = 0; I < Op.getNumArgs(); ++I) + Ops.push_back(Op.getArg(I)); + } if (StackValue) Ops.push_back(dwarf::DW_OP_stack_value); return DIExpression::get(Expr->getContext(), Ops); |
