diff options
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/FastISel.cpp | 6 | ||||
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 31 |
2 files changed, 14 insertions, 23 deletions
diff --git a/lib/CodeGen/SelectionDAG/FastISel.cpp b/lib/CodeGen/SelectionDAG/FastISel.cpp index fddd358..490b857 100644 --- a/lib/CodeGen/SelectionDAG/FastISel.cpp +++ b/lib/CodeGen/SelectionDAG/FastISel.cpp @@ -55,6 +55,7 @@ #include "llvm/Target/TargetLowering.h" #include "llvm/Target/TargetMachine.h" #include "llvm/Support/ErrorHandling.h" +#include "llvm/Support/Debug.h" using namespace llvm; /// startNewBlock - Set the current block to which generated machine @@ -517,10 +518,7 @@ bool FastISel::SelectCall(const User *I) { } else { // We can't yet handle anything else here because it would require // generating code, thus altering codegen because of debug info. - // Insert an undef so we can see what we dropped. - BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, II) - .addReg(0U).addImm(DI->getOffset()) - .addMetadata(DI->getVariable()); + DEBUG(dbgs() << "Dropping debug info for " << DI); } return true; } diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp index 6dfc6b5..64debfc 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp @@ -908,11 +908,8 @@ void SelectionDAGBuilder::resolveDanglingDebugInfo(const Value *V, Val.getResNo(), Offset, dl, DbgSDNodeOrder); DAG.AddDbgValue(SDV, Val.getNode(), false); } - } else { - SDV = DAG.getDbgValue(Variable, UndefValue::get(V->getType()), - Offset, dl, SDNodeOrder); - DAG.AddDbgValue(SDV, 0, false); - } + } else + DEBUG(dbgs() << "Dropping debug info for " << DI); DanglingDebugInfoMap[V] = DanglingDebugInfo(); } } @@ -4198,10 +4195,7 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) { // Check if address has undef value. if (isa<UndefValue>(Address) || (Address->use_empty() && !isa<Argument>(Address))) { - SDDbgValue*SDV = - DAG.getDbgValue(Variable, UndefValue::get(Address->getType()), - 0, dl, SDNodeOrder); - DAG.AddDbgValue(SDV, 0, false); + DEBUG(dbgs() << "Dropping debug info for " << DI); return 0; } @@ -4224,16 +4218,20 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) { // Byval parameter. We have a frame index at this point. SDV = DAG.getDbgValue(Variable, FINode->getIndex(), 0, dl, SDNodeOrder); - else + else { // Can't do anything with other non-AI cases yet. This might be a // parameter of a callee function that got inlined, for example. + DEBUG(dbgs() << "Dropping debug info for " << DI); return 0; + } } else if (AI) SDV = DAG.getDbgValue(Variable, N.getNode(), N.getResNo(), 0, dl, SDNodeOrder); - else + else { // Can't do anything with other non-AI cases yet. + DEBUG(dbgs() << "Dropping debug info for " << DI); return 0; + } DAG.AddDbgValue(SDV, N.getNode(), isParameter); } else { // If Address is an argument then try to emit its dbg value using @@ -4253,10 +4251,7 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) { } } } - // Otherwise add undef to help track missing debug info. - SDV = DAG.getDbgValue(Variable, UndefValue::get(Address->getType()), - 0, dl, SDNodeOrder); - DAG.AddDbgValue(SDV, 0, false); + DEBUG(dbgs() << "Dropping debug info for " << DI); } } return 0; @@ -4301,10 +4296,8 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) { DanglingDebugInfoMap[V] = DDI; } else { // We may expand this to cover more cases. One case where we have no - // data available is an unreferenced parameter; we need this fallback. - SDV = DAG.getDbgValue(Variable, UndefValue::get(V->getType()), - Offset, dl, SDNodeOrder); - DAG.AddDbgValue(SDV, 0, false); + // data available is an unreferenced parameter. + DEBUG(dbgs() << "Dropping debug info for " << DI); } } |