Don't abort on an aliasing physical register that does not have
a live interval. This is needed for some upcoming subreg changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68956 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index 3bc05a9..7c8041b 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -2235,7 +2235,7 @@
// If there are registers which alias PhysReg, but which are not a
// sub-register of the chosen representative super register. Assert
// since we can't handle it yet.
- assert(*AS == SpillReg || !allocatableRegs_[*AS] ||
+ assert(*AS == SpillReg || !allocatableRegs_[*AS] || !hasInterval(*AS) ||
tri_->isSuperRegister(*AS, SpillReg));
bool Cut = false;