diff options
| -rw-r--r-- | include/llvm/Target/TargetInstrInfo.h | 3 | ||||
| -rw-r--r-- | lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp | 18 |
2 files changed, 21 insertions, 0 deletions
diff --git a/include/llvm/Target/TargetInstrInfo.h b/include/llvm/Target/TargetInstrInfo.h index db1a15b..79ecbf8 100644 --- a/include/llvm/Target/TargetInstrInfo.h +++ b/include/llvm/Target/TargetInstrInfo.h @@ -367,6 +367,9 @@ public: /// normally be lowered the same way as other addresses on the target, /// e.g. in load instructions. For targets that do not support this /// the debug info is simply lost. + /// If you add this for a target you should handle this DBG_VALUE in the + /// target-specific AsmPrinter code as well; you will probably get invalid + /// assembly output if you don't. virtual MachineInstr *emitFrameIndexDebugValue(MachineFunction &MF, unsigned FrameIx, uint64_t Offset, diff --git a/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp b/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp index 17446b0..f85ebae 100644 --- a/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp +++ b/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp @@ -21,6 +21,7 @@ #include "PPCPredicates.h" #include "PPCTargetMachine.h" #include "PPCSubtarget.h" +#include "llvm/Analysis/DebugInfo.h" #include "llvm/Constants.h" #include "llvm/DerivedTypes.h" #include "llvm/Module.h" @@ -535,6 +536,23 @@ void PPCAsmPrinter::EmitInstruction(const MachineInstr *MI) { SmallString<128> Str; raw_svector_ostream O(Str); + if (MI->getOpcode() == TargetOpcode::DBG_VALUE) { + unsigned NOps = MI->getNumOperands(); + assert(NOps==4); + O << '\t' << MAI->getCommentString() << "DEBUG_VALUE: "; + // cast away const; DIetc do not take const operands for some reason. + DIVariable V(const_cast<MDNode *>(MI->getOperand(NOps-1).getMetadata())); + O << V.getName(); + O << " <- "; + // Frame address. Currently handles register +- offset only. + assert(MI->getOperand(0).isReg() && MI->getOperand(1).isImm()); + O << '['; printOperand(MI, 0, O); O << '+'; printOperand(MI, 1, O); + O << ']'; + O << "+"; + printOperand(MI, NOps-2, O); + OutStreamer.EmitRawText(O.str()); + return; + } // Check for slwi/srwi mnemonics. if (MI->getOpcode() == PPC::RLWINM) { unsigned char SH = MI->getOperand(2).getImm(); |