Add an intrinsic and codegen support for fused multiply-accumulate. The intent

[oota-llvm.git] / lib / CodeGen / MachineSSAUpdater.cpp

diff --git a/lib/CodeGen/MachineSSAUpdater.cpp b/lib/CodeGen/MachineSSAUpdater.cpp
index 99fb99ac3c72254b40d69a724616a972e831398b..84d6df25397c5eb2d854df768c01ca962f472e12 100644 (file)
--- a/lib/CodeGen/MachineSSAUpdater.cpp
+++ b/lib/CodeGen/MachineSSAUpdater.cpp
@@ -329,7 +329,7 @@ public:
   /// InstrIsPHI - Check if an instruction is a PHI.
   ///
   static MachineInstr *InstrIsPHI(MachineInstr *I) {
-    if (I->isPHI())
+    if (I && I->isPHI())
       return I;
     return 0;
   }