diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp index dab8637..aa3a848 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp @@ -5945,12 +5945,14 @@ void SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, DIExpression *Expression = DI.getExpression(); dropDanglingDebugInfo(Variable, Expression); assert(Variable && "Missing variable"); - + LLVM_DEBUG(dbgs() << "SelectionDAG visiting debug intrinsic: " << DI + << "\n"); // Check if address has undef value. const Value *Address = DI.getVariableLocation(); if (!Address || isa<UndefValue>(Address) || (Address->use_empty() && !isa<Argument>(Address))) { - LLVM_DEBUG(dbgs() << "Dropping debug info for " << DI << "\n"); + LLVM_DEBUG(dbgs() << "Dropping debug info for " << DI + << " (bad/undef/unused-arg address)\n"); return; } @@ -5979,6 +5981,9 @@ void SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, SDDbgValue *SDV = DAG.getFrameIndexDbgValue( Variable, Expression, FI, /*IsIndirect*/ true, dl, SDNodeOrder); DAG.AddDbgValue(SDV, getRoot().getNode(), isParameter); + } else { + LLVM_DEBUG(dbgs() << "Skipping " << DI + << " (variable info stashed in MF side table)\n"); } return; } @@ -6013,7 +6018,8 @@ void SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, // virtual register info from the FuncInfo.ValueMap. if (!EmitFuncArgumentDbgValue(Address, Variable, Expression, dl, true, N)) { - LLVM_DEBUG(dbgs() << "Dropping debug info for " << DI << "\n"); + LLVM_DEBUG(dbgs() << "Dropping debug info for " << DI + << " (could not emit func-arg dbg_value)\n"); } } return; |