From be90c3a0ea66fb05dfe72fbe42cca2713c6c8b1a Mon Sep 17 00:00:00 2001 From: Devang Patel Date: Wed, 22 Sep 2010 21:10:38 +0000 Subject: [PATCH] Use DW_OP_fbreg when offset is based on frame register. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114585 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index 8e3c1f12ff1..ae193e6966f 100644 --- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -811,6 +811,16 @@ void DwarfDebug::addAddress(DIE *Die, unsigned Attribute, const TargetRegisterInfo *RI = Asm->TM.getRegisterInfo(); unsigned Reg = RI->getDwarfRegNum(Location.getReg(), false); DIEBlock *Block = new (DIEValueAllocator) DIEBlock(); + const TargetRegisterInfo *TRI = Asm->TM.getRegisterInfo(); + + if (TRI->getFrameRegister(*Asm->MF) == Location.getReg() + && Location.getOffset()) { + // If variable offset is based in frame register then use fbreg. + addUInt(Block, 0, dwarf::DW_FORM_data1, dwarf::DW_OP_fbreg); + addSInt(Block, 0, dwarf::DW_FORM_sdata, Location.getOffset()); + addBlock(Die, Attribute, 0, Block); + return; + } if (Location.isReg()) { if (Reg < 32) { -- 2.34.1