Use a greedy algorithm for allocating registers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130568 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/Passes.cpp b/lib/CodeGen/Passes.cpp
index c622275..914c78b 100644
--- a/lib/CodeGen/Passes.cpp
+++ b/lib/CodeGen/Passes.cpp
@@ -57,8 +57,8 @@
 
   // This forces linking of the greedy register allocator, so -regalloc=greedy
   // works in clang.
-  if (Ctor == createGreedyRegisterAllocator)
-    return createGreedyRegisterAllocator();
+  if (Ctor == createLinearScanRegisterAllocator)
+    return createLinearScanRegisterAllocator();
 
   if (Ctor != createDefaultRegisterAllocator)
     return Ctor();
@@ -68,6 +68,6 @@
   case CodeGenOpt::None:
     return createFastRegisterAllocator();
   default:
-    return createLinearScanRegisterAllocator();
+    return createGreedyRegisterAllocator();
   }
 }