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| author | Devang Patel <dpatel@apple.com> | 2010-08-31 18:50:09 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2010-08-31 18:50:09 +0000 |
| commit | 8480c2e314f6c01638ea16f32149417848352085 (patch) | |
| tree | c65328cb1b461ce865bb8082ee75c663a338b348 /lib/CodeGen/AsmPrinter | |
| parent | d4511e947ee1e89a4f199bfac0d401976930ccfe (diff) | |
| download | external_llvm-8480c2e314f6c01638ea16f32149417848352085.zip external_llvm-8480c2e314f6c01638ea16f32149417848352085.tar.gz external_llvm-8480c2e314f6c01638ea16f32149417848352085.tar.bz2 | |
Remember byval argument's frame index during argument lowering and use this info to emit debug info.
Fixes Radar 8367011.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112623 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/AsmPrinter')
| -rw-r--r-- | lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index eaa12d4..eeae8a3 100644 --- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -1629,9 +1629,16 @@ DIE *DwarfDebug::constructVariableDIE(DbgVariable *DV, DbgScope *Scope) { bool updated = false; // FIXME : Handle getNumOperands != 3 if (DVInsn->getNumOperands() == 3) { - if (DVInsn->getOperand(0).isReg()) - updated = - addRegisterAddress(VariableDie, DVLabel, DVInsn->getOperand(0)); + if (DVInsn->getOperand(0).isReg()) { + const MachineOperand RegOp = DVInsn->getOperand(0); + const TargetRegisterInfo *TRI = Asm->TM.getRegisterInfo(); + if (DVInsn->getOperand(1).isImm() && + TRI->getFrameRegister(*Asm->MF) == RegOp.getReg()) { + addVariableAddress(DV, VariableDie, DVInsn->getOperand(1).getImm()); + updated = true; + } else + updated = addRegisterAddress(VariableDie, DVLabel, RegOp); + } else if (DVInsn->getOperand(0).isImm()) updated = addConstantValue(VariableDie, DVLabel, DVInsn->getOperand(0)); else if (DVInsn->getOperand(0).isFPImm()) |