diff options
| author | Devang Patel <dpatel@apple.com> | 2010-09-10 20:32:09 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2010-09-10 20:32:09 +0000 |
| commit | 4bafda9618f9dfa9edc8da08bb3001ef2d1a9b68 (patch) | |
| tree | c5f689fc43cb810b496b0b3816fd06a683fc687b /lib/CodeGen/RegAllocFast.cpp | |
| parent | 1ec2ee65267d69ae9f0451d60e02d357877371ff (diff) | |
Add DEBUG message.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113614 91177308-0d34-0410-b5e6-96231b3b80d8
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); + } } } } |