diff options
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/PrologEpilogInserter.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/PrologEpilogInserter.cpp b/llvm/lib/CodeGen/PrologEpilogInserter.cpp index 1aee69f9cca..5c4dcdd0617 100644 --- a/llvm/lib/CodeGen/PrologEpilogInserter.cpp +++ b/llvm/lib/CodeGen/PrologEpilogInserter.cpp @@ -220,7 +220,9 @@ void PEI::saveCallerSavedRegisters(MachineFunction &Fn) { I = MBB->end(); --I; for (unsigned i = 0, e = RegsToSave.size(); i != e; ++i) { - RegInfo->loadRegFromStackSlot(*MBB, I, RegsToSave[i],StackSlots[i]); + RegInfo->loadRegFromStackSlot(*MBB, I, RegsToSave[i], StackSlots[i]); + assert(I != MBB->begin() && + "loadRegFromStackSlot didn't insert any code!"); --I; // Insert in reverse order } } |
