Propagate debug loc info through prologue/epilogue.

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

diff --git a/lib/CodeGen/UnreachableBlockElim.cpp b/lib/CodeGen/UnreachableBlockElim.cpp
index c597e5fd7db0ffedde3a737d384e7719643b77bc..c3b213cebe9543a95020d13b26a95c215e91661d 100644 (file)
--- a/lib/CodeGen/UnreachableBlockElim.cpp
+++ b/lib/CodeGen/UnreachableBlockElim.cpp
@@ -105,7 +105,7 @@ const PassInfo *const llvm::UnreachableMachineBlockElimID = &Y;
 bool UnreachableMachineBlockElim::runOnMachineFunction(MachineFunction &F) {
   SmallPtrSet<MachineBasicBlock*, 8> Reachable;
 
-  MMI = getAnalysisToUpdate<MachineModuleInfo>();
+  MMI = getAnalysisIfAvailable<MachineModuleInfo>();
 
   // Mark all reachable blocks.
   for (df_ext_iterator<MachineFunction*, SmallPtrSet<MachineBasicBlock*, 8> >