diff options
Diffstat (limited to 'llvm/lib/CodeGen/ImplicitNullChecks.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/ImplicitNullChecks.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/ImplicitNullChecks.cpp b/llvm/lib/CodeGen/ImplicitNullChecks.cpp index 4e54437947f..b3ca4c1d802 100644 --- a/llvm/lib/CodeGen/ImplicitNullChecks.cpp +++ b/llvm/lib/CodeGen/ImplicitNullChecks.cpp @@ -698,7 +698,7 @@ void ImplicitNullChecks::rewriteNullChecks( if (auto *DepMI = NC.getOnlyDependency()) { for (auto &MO : DepMI->operands()) { - if (!MO.isReg() || !MO.getReg() || !MO.isDef()) + if (!MO.isReg() || !MO.getReg() || !MO.isDef() || MO.isDead()) continue; if (!NC.getNotNullSucc()->isLiveIn(MO.getReg())) NC.getNotNullSucc()->addLiveIn(MO.getReg()); |
