diff options
Diffstat (limited to 'llvm/lib/IR/DebugInfoMetadata.cpp')
| -rw-r--r-- | llvm/lib/IR/DebugInfoMetadata.cpp | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/llvm/lib/IR/DebugInfoMetadata.cpp b/llvm/lib/IR/DebugInfoMetadata.cpp index 7158e5764fa..4ef38b6f7fe 100644 --- a/llvm/lib/IR/DebugInfoMetadata.cpp +++ b/llvm/lib/IR/DebugInfoMetadata.cpp @@ -833,6 +833,7 @@ unsigned DIExpression::ExprOperand::getSize() const { case dwarf::DW_OP_LLVM_fragment: return 3; case dwarf::DW_OP_constu: + case dwarf::DW_OP_deref_size: case dwarf::DW_OP_plus_uconst: return 2; default: @@ -889,6 +890,7 @@ bool DIExpression::isValid() const { case dwarf::DW_OP_shr: case dwarf::DW_OP_shra: case dwarf::DW_OP_deref: + case dwarf::DW_OP_deref_size: case dwarf::DW_OP_xderef: case dwarf::DW_OP_lit0: case dwarf::DW_OP_not: @@ -899,6 +901,19 @@ bool DIExpression::isValid() const { return true; } +bool DIExpression::isImplicit() const { + unsigned N = getNumElements(); + if (isValid() && N > 0) { + switch (getElement(N-1)) { + case dwarf::DW_OP_stack_value: return true; + case dwarf::DW_OP_LLVM_fragment: + return N > 1 && getElement(N-2) == dwarf::DW_OP_stack_value; + default: break; + } + } + return false; +} + Optional<DIExpression::FragmentInfo> DIExpression::getFragmentInfo(expr_op_iterator Start, expr_op_iterator End) { for (auto I = Start; I != End; ++I) |
