From 5573a7da298e68db9e63307b766dd650f044287e Mon Sep 17 00:00:00 2001 From: Devang Patel Date: Wed, 4 Aug 2010 22:07:27 +0000 Subject: [PATCH] Use location entry only of the location described by DBG_VALUE is valid. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110255 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index ac58f7a6bd5..1b84442181b 100644 --- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -2315,7 +2315,9 @@ DwarfDebug::collectVariableInfo(const MachineFunction *MF, const MCSymbol *FLabel = getLabelBeforeInsn(Begin); const MCSymbol *SLabel = getLabelBeforeInsn(End); - DotDebugLocEntries.push_back(DotDebugLocEntry(FLabel, SLabel, MLoc)); + if (MLoc.getReg()) + DotDebugLocEntries.push_back(DotDebugLocEntry(FLabel, SLabel, MLoc)); + Begin = End; if (MVI + 1 == MVE) { // If End is the last instruction then its value is valid @@ -2326,8 +2328,9 @@ DwarfDebug::collectVariableInfo(const MachineFunction *MF, EMLoc.set(Begin->getOperand(0).getReg(), Begin->getOperand(1).getImm()); } else EMLoc = Asm->getDebugValueLocation(End); - DotDebugLocEntries. - push_back(DotDebugLocEntry(SLabel, FunctionEndSym, EMLoc)); + if (EMLoc.getReg()) + DotDebugLocEntries. + push_back(DotDebugLocEntry(SLabel, FunctionEndSym, EMLoc)); } } DotDebugLocEntries.push_back(DotDebugLocEntry());