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| author | Devang Patel <dpatel@apple.com> | 2011-01-31 21:38:14 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2011-01-31 21:38:14 +0000 |
| commit | e9a7ea68653689966417443b8ac2528c1d9d3ccf (patch) | |
| tree | 34407700e2758bb5353a5ad1a0b2960b9514aafa /lib/CodeGen/MachineRegisterInfo.cpp | |
| parent | 97f6d5b24136ac19d5f83c1ee9541b05f0eccebd (diff) | |
Keep track of incoming argument's location while emitting LiveIns.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124611 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/MachineRegisterInfo.cpp')
| -rw-r--r-- | lib/CodeGen/MachineRegisterInfo.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/CodeGen/MachineRegisterInfo.cpp b/lib/CodeGen/MachineRegisterInfo.cpp index 7244d5f03a..b3fb33736f 100644 --- a/lib/CodeGen/MachineRegisterInfo.cpp +++ b/lib/CodeGen/MachineRegisterInfo.cpp @@ -210,8 +210,15 @@ MachineRegisterInfo::EmitLiveInCopies(MachineBasicBlock *EntryMBB, LiveIns.erase(LiveIns.begin() + i); --i; --e; } else { + DebugLoc DL; + // If there is a location for this live in then use it. + DenseMap<unsigned, DebugLoc>::iterator DLI = + LiveInLocs.find(LiveIns[i].second); + if (DLI != LiveInLocs.end()) + DL = DLI->second; + // Emit a copy. - BuildMI(*EntryMBB, EntryMBB->begin(), DebugLoc(), + BuildMI(*EntryMBB, EntryMBB->begin(), DL, TII.get(TargetOpcode::COPY), LiveIns[i].second) .addReg(LiveIns[i].first); |