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| author | Devang Patel <dpatel@apple.com> | 2010-09-22 21:10:38 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2010-09-22 21:10:38 +0000 |
| commit | 804fcd47947b1e1bd4269533f78dcb4919344ae3 (patch) | |
| tree | 339cd3f802a3ff13826a8b232dddd65b9c36649a /llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp | |
| parent | 14fefab721618852392ec083002a5230d1d8d047 (diff) | |
| download | bcm5719-llvm-804fcd47947b1e1bd4269533f78dcb4919344ae3.tar.gz bcm5719-llvm-804fcd47947b1e1bd4269533f78dcb4919344ae3.zip | |
Use DW_OP_fbreg when offset is based on frame register.
llvm-svn: 114585
Diffstat (limited to 'llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index 8e3c1f12ff1..ae193e6966f 100644 --- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/llvm/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) { |
