X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FRegisterClassInfo.cpp;h=ab33672d41f3839022fa0fdd8031906602e674be;hb=6de0a12927845ca49cd5cb1da9206fe503b565ec;hp=e0d1aa2b533f7916877504ff143bedd10372ec74;hpb=a5babc8a31efd3bd40e6deec96d0ee1cb14e61eb;p=oota-llvm.git

diff --git a/lib/CodeGen/RegisterClassInfo.cpp b/lib/CodeGen/RegisterClassInfo.cpp
index e0d1aa2b533..ab33672d41f 100644
--- a/lib/CodeGen/RegisterClassInfo.cpp
+++ b/lib/CodeGen/RegisterClassInfo.cpp
@@ -47,6 +47,7 @@ void RegisterClassInfo::runOnMachineFunction(const MachineFunction &mf) {
   }
 
   // Does this MF have different CSRs?
+  assert(TRI && "no register info set");
   const MCPhysReg *CSR = TRI->getCalleeSavedRegs(MF);
   if (Update || CSR != CalleeSaved) {
     // Build a CSRNum map. Every CSR alias gets an entry pointing to the last
@@ -76,6 +77,7 @@ void RegisterClassInfo::runOnMachineFunction(const MachineFunction &mf) {
 /// registers filtered out. Volatile registers come first followed by CSR
 /// aliases ordered according to the CSR order specified by the target.
 void RegisterClassInfo::compute(const TargetRegisterClass *RC) const {
+  assert(RC && "no register class given");
   RCInfo &RCI = RegClass[RC->getID()];
 
   // Raw register count, including all reserved regs.