Enable on-demand fast-isel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107377 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86FastISel.cpp b/lib/Target/X86/X86FastISel.cpp
index 1c700b2..6733f80 100644
--- a/lib/Target/X86/X86FastISel.cpp
+++ b/lib/Target/X86/X86FastISel.cpp
@@ -935,7 +935,7 @@
       if (CI->getIntrinsicID() == Intrinsic::sadd_with_overflow ||
           CI->getIntrinsicID() == Intrinsic::uadd_with_overflow) {
         const MachineInstr *SetMI = 0;
-        unsigned Reg = lookUpRegForValue(EI);
+        unsigned Reg = getRegForValue(EI);
 
         for (MachineBasicBlock::const_reverse_iterator
                RI = MBB->rbegin(), RE = MBB->rend(); RI != RE; ++RI) {