diff options
| -rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index 0dc5b74fa37..c09c1c558e5 100644 --- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -1411,6 +1411,11 @@ DwarfDebug::collectVariableInfo(const MachineFunction *MF, const MachineInstr *Begin = *HI; assert(Begin->isDebugValue() && "Invalid History entry"); + // Check if DBG_VALUE is truncating a range. + if (Begin->getNumOperands() > 1 && Begin->getOperand(0).isReg() + && !Begin->getOperand(0).getReg()) + continue; + // Compute the range for a register location. const MCSymbol *FLabel = getLabelBeforeInsn(Begin); const MCSymbol *SLabel = 0; |
