diff options
Diffstat (limited to 'lib/CodeGen/RegAllocFast.cpp')
| -rw-r--r-- | lib/CodeGen/RegAllocFast.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/CodeGen/RegAllocFast.cpp b/lib/CodeGen/RegAllocFast.cpp index fc150d55e2..8301402463 100644 --- a/lib/CodeGen/RegAllocFast.cpp +++ b/lib/CodeGen/RegAllocFast.cpp @@ -798,9 +798,11 @@ void RAFast::AllocateBasicBlock() { setPhysReg(MI, i, LRI->second.PhysReg); else { int SS = StackSlotForVirtReg[Reg]; - if (SS == -1) + if (SS == -1) { // We can't allocate a physreg for a DebugValue, sorry! + DEBUG(dbgs() << "Unable to allocate vreg used by DBG_VALUE"); MO.setReg(0); + } else { // Modify DBG_VALUE now that the value is in a spill slot. int64_t Offset = MI->getOperand(1).getImm(); @@ -817,9 +819,11 @@ void RAFast::AllocateBasicBlock() { MI = NewDV; ScanDbgValue = true; break; - } else + } else { // We can't allocate a physreg for a DebugValue; sorry! + DEBUG(dbgs() << "Unable to allocate vreg used by DBG_VALUE"); MO.setReg(0); + } } } } |