diff options
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/VirtRegRewriter.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/CodeGen/VirtRegRewriter.cpp b/lib/CodeGen/VirtRegRewriter.cpp index 44d5311afd..70f1d21f11 100644 --- a/lib/CodeGen/VirtRegRewriter.cpp +++ b/lib/CodeGen/VirtRegRewriter.cpp @@ -572,6 +572,9 @@ static bool InvalidateRegDef(MachineBasicBlock::iterator I, static void UpdateKills(MachineInstr &MI, const TargetRegisterInfo* TRI, BitVector &RegKills, std::vector<MachineOperand*> &KillOps) { + // These do not affect kill info at all. + if (MI.isDebugValue()) + return; for (unsigned i = 0, e = MI.getNumOperands(); i != e; ++i) { MachineOperand &MO = MI.getOperand(i); if (!MO.isReg() || !MO.isUse() || MO.isUndef()) |