diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2018-07-28 10:51:19 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2018-07-28 10:51:19 +0000 |
| commit | eb11fae6d08f479c0799db45860a98af528fa6e7 (patch) | |
| tree | 44d492a50c8c1a7eb8e2d17ea3360ec4d066f042 /lib/CodeGen/LiveRegUnits.cpp | |
| parent | b8a2042aa938069e862750553db0e4d82d25822c (diff) | |
Notes
Diffstat (limited to 'lib/CodeGen/LiveRegUnits.cpp')
| -rw-r--r-- | lib/CodeGen/LiveRegUnits.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/CodeGen/LiveRegUnits.cpp b/lib/CodeGen/LiveRegUnits.cpp index 9f28db6287ba..c22681385492 100644 --- a/lib/CodeGen/LiveRegUnits.cpp +++ b/lib/CodeGen/LiveRegUnits.cpp @@ -46,7 +46,7 @@ void LiveRegUnits::stepBackward(const MachineInstr &MI) { // Remove defined registers and regmask kills from the set. for (ConstMIBundleOperands O(MI); O.isValid(); ++O) { if (O->isReg()) { - if (!O->isDef()) + if (!O->isDef() || O->isDebug()) continue; unsigned Reg = O->getReg(); if (!TargetRegisterInfo::isPhysicalRegister(Reg)) @@ -58,7 +58,7 @@ void LiveRegUnits::stepBackward(const MachineInstr &MI) { // Add uses to the set. for (ConstMIBundleOperands O(MI); O.isValid(); ++O) { - if (!O->isReg() || !O->readsReg()) + if (!O->isReg() || !O->readsReg() || O->isDebug()) continue; unsigned Reg = O->getReg(); if (!TargetRegisterInfo::isPhysicalRegister(Reg)) |