diff options
Diffstat (limited to 'lib/CodeGen/RegAllocLocal.cpp')
| -rw-r--r-- | lib/CodeGen/RegAllocLocal.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/CodeGen/RegAllocLocal.cpp b/lib/CodeGen/RegAllocLocal.cpp index d0df2703c2..4c7ccdf875 100644 --- a/lib/CodeGen/RegAllocLocal.cpp +++ b/lib/CodeGen/RegAllocLocal.cpp @@ -93,8 +93,8 @@ namespace { } void MarkPhysRegRecentlyUsed(unsigned Reg) { - assert(!PhysRegsUseOrder.empty() && "No registers used!"); - if (PhysRegsUseOrder.back() == Reg) return; // Already most recently used + if(PhysRegsUseOrder.empty() || + PhysRegsUseOrder.back() == Reg) return; // Already most recently used for (unsigned i = PhysRegsUseOrder.size(); i != 0; --i) if (areRegsEqual(Reg, PhysRegsUseOrder[i-1])) { |