diff options
Diffstat (limited to 'llvm/lib/CodeGen/BreakFalseDeps.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/BreakFalseDeps.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/BreakFalseDeps.cpp b/llvm/lib/CodeGen/BreakFalseDeps.cpp index 57170c58db14..310273173647 100644 --- a/llvm/lib/CodeGen/BreakFalseDeps.cpp +++ b/llvm/lib/CodeGen/BreakFalseDeps.cpp @@ -135,6 +135,7 @@ bool BreakFalseDeps::pickBestRegisterForUndef(MachineInstr *MI, unsigned OpIdx, // Get the undef operand's register class const TargetRegisterClass *OpRC = TII->getRegClass(MI->getDesc(), OpIdx, TRI, *MF); + assert(OpRC && "Not a valid register class"); // If the instruction has a true dependency, we can hide the false depdency // behind it. |