[llvm-commits] [llvm] r107700 - /llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp

[Jakob Stoklund Olesen]

Author: stoklund
Date: Tue Jul  6 16:13:03 2010
New Revision: 107700

URL: http://llvm.org/viewvc/llvm-project?rev=107700&view=rev
Log:
One more case assuming that subregs have live ranges.

Modified:
    llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp

Modified: llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp?rev=107700&r1=107699&r2=107700&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp (original)
+++ llvm/trunk/lib/CodeGen/SimpleRegisterCoalescing.cpp Tue Jul  6 16:13:03 2010
@@ -499,8 +499,8 @@
     if (BHasSubRegs) {
       for (const unsigned *SR = tri_->getSubRegisters(IntB.reg); *SR; ++SR) {
         LiveInterval &SRLI = li_->getInterval(*SR);
-        const LiveRange *SRLR = SRLI.getLiveRangeContaining(DeadVNI->def);
-        SRLI.removeValNo(SRLR->valno);
+        if (const LiveRange *SRLR = SRLI.getLiveRangeContaining(DeadVNI->def))
+          SRLI.removeValNo(SRLR->valno);
       }
     }
     IntB.removeValNo(BDeadValNos[i]);