diff --git a/llvm/lib/CodeGen/RegAllocFast.cpp b/llvm/lib/CodeGen/RegAllocFast.cpp
--- a/llvm/lib/CodeGen/RegAllocFast.cpp
+++ b/llvm/lib/CodeGen/RegAllocFast.cpp
@@ -1442,7 +1442,7 @@
   }
   DanglingDbgValues.clear();
 
-  LLVM_DEBUG(MBB.dump());
+  LLVM_DEBUG(MBB.print(dbgs()));
 }
 
 bool RegAllocFast::runOnMachineFunction(MachineFunction &MF) {
diff --git a/llvm/lib/CodeGen/RegAllocGreedy.cpp b/llvm/lib/CodeGen/RegAllocGreedy.cpp
--- a/llvm/lib/CodeGen/RegAllocGreedy.cpp
+++ b/llvm/lib/CodeGen/RegAllocGreedy.cpp
@@ -3245,7 +3245,7 @@
 
   VRAI->calculateSpillWeightsAndHints();
 
-  LLVM_DEBUG(LIS->dump());
+  LLVM_DEBUG(LIS->print(dbgs()));
 
   SA.reset(new SplitAnalysis(*VRM, *LIS, *Loops));
   SE.reset(new SplitEditor(*SA, *AA, *LIS, *VRM, *DomTree, *MBFI));
diff --git a/llvm/lib/Target/AArch64/AArch64PBQPRegAlloc.cpp b/llvm/lib/Target/AArch64/AArch64PBQPRegAlloc.cpp
--- a/llvm/lib/Target/AArch64/AArch64PBQPRegAlloc.cpp
+++ b/llvm/lib/Target/AArch64/AArch64PBQPRegAlloc.cpp
@@ -328,7 +328,7 @@
   LiveIntervals &LIs = G.getMetadata().LIS;
 
   TRI = MF.getSubtarget().getRegisterInfo();
-  LLVM_DEBUG(MF.dump());
+  LLVM_DEBUG(MF.print(dbgs()));
 
   for (const auto &MBB: MF) {
     Chains.clear(); // FIXME: really needed ? Could not work at MF level ?