diff --git a/llvm/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp b/llvm/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp
--- a/llvm/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp
+++ b/llvm/lib/Target/PowerPC/AsmParser/PPCAsmParser.cpp
@@ -1731,10 +1731,10 @@
   if (parseToken(AsmToken::EndOfStatement))
     return addErrorSuffix(" in '.machine' directive");
 
-  PPCTargetStreamer &TStreamer =
-      *static_cast<PPCTargetStreamer *>(
-           getParser().getStreamer().getTargetStreamer());
-  TStreamer.emitMachine(CPU);
+  PPCTargetStreamer *TStreamer = static_cast<PPCTargetStreamer *>(
+      getParser().getStreamer().getTargetStreamer());
+  if (TStreamer != nullptr)
+    TStreamer->emitMachine(CPU);
 
   return false;
 }
@@ -1773,10 +1773,10 @@
       parseToken(AsmToken::EndOfStatement))
     return addErrorSuffix(" in '.abiversion' directive");
 
-  PPCTargetStreamer &TStreamer =
-      *static_cast<PPCTargetStreamer *>(
-           getParser().getStreamer().getTargetStreamer());
-  TStreamer.emitAbiVersion(AbiVersion);
+  PPCTargetStreamer *TStreamer = static_cast<PPCTargetStreamer *>(
+      getParser().getStreamer().getTargetStreamer());
+  if (TStreamer != nullptr)
+    TStreamer->emitAbiVersion(AbiVersion);
 
   return false;
 }
@@ -1796,10 +1796,10 @@
       parseToken(AsmToken::EndOfStatement))
     return addErrorSuffix(" in '.localentry' directive");
 
-  PPCTargetStreamer &TStreamer =
-      *static_cast<PPCTargetStreamer *>(
-           getParser().getStreamer().getTargetStreamer());
-  TStreamer.emitLocalEntry(Sym, Expr);
+  PPCTargetStreamer *TStreamer = static_cast<PPCTargetStreamer *>(
+      getParser().getStreamer().getTargetStreamer());
+  if (TStreamer != nullptr)
+    TStreamer->emitLocalEntry(Sym, Expr);
 
   return false;
 }
diff --git a/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp b/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp
--- a/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp
+++ b/llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp
@@ -1396,8 +1396,8 @@
 
   bool isPPC64 = DL.getPointerSizeInBits() == 64;
 
-  PPCTargetStreamer &TS =
-      static_cast<PPCTargetStreamer &>(*OutStreamer->getTargetStreamer());
+  PPCTargetStreamer *TS =
+      static_cast<PPCTargetStreamer *>(OutStreamer->getTargetStreamer());
 
   if (!TOC.empty()) {
     const char *Name = isPPC64 ? ".toc" : ".got2";
@@ -1412,8 +1412,8 @@
       MCSymbol *const TOCEntryLabel = TOCMapPair.second;
 
       OutStreamer->emitLabel(TOCEntryLabel);
-      if (isPPC64)
-        TS.emitTCEntry(*TOCEntryTarget);
+      if (isPPC64 && TS != nullptr)
+        TS->emitTCEntry(*TOCEntryTarget);
       else
         OutStreamer->emitSymbolValue(TOCEntryTarget, 4);
     }
@@ -1687,8 +1687,8 @@
   // Switch to section to emit TOC base.
   OutStreamer->SwitchSection(getObjFileLowering().getTOCBaseSection());
 
-  PPCTargetStreamer &TS =
-      static_cast<PPCTargetStreamer &>(*OutStreamer->getTargetStreamer());
+  PPCTargetStreamer *TS =
+      static_cast<PPCTargetStreamer *>(OutStreamer->getTargetStreamer());
 
   const unsigned EntryByteSize = Subtarget->isPPC64() ? 8 : 4;
   const unsigned TOCEntriesByteSize = TOC.size() * EntryByteSize;
@@ -1707,7 +1707,8 @@
     OutStreamer->SwitchSection(TCEntry);
 
     OutStreamer->emitLabel(I.second);
-    TS.emitTCEntry(*I.first);
+    if (TS != nullptr)
+      TS->emitTCEntry(*I.first);
   }
 }
 
diff --git a/llvm/test/CodeGen/PowerPC/ppc64-toc.ll b/llvm/test/CodeGen/PowerPC/ppc64-toc.ll
--- a/llvm/test/CodeGen/PowerPC/ppc64-toc.ll
+++ b/llvm/test/CodeGen/PowerPC/ppc64-toc.ll
@@ -1,4 +1,6 @@
 ; RUN: llc -verify-machineinstrs -code-model=small < %s | FileCheck %s
+; Test with null streamer.
+; RUN: llc -O0 -filetype=null < %s
 target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32:64"
 target triple = "powerpc64-unknown-linux-gnu"
 
diff --git a/llvm/test/MC/PowerPC/ppc-machine.s b/llvm/test/MC/PowerPC/ppc-machine.s
--- a/llvm/test/MC/PowerPC/ppc-machine.s
+++ b/llvm/test/MC/PowerPC/ppc-machine.s
@@ -1,6 +1,7 @@
 # RUN: llvm-mc -triple powerpc-unknown-unknown %s
 # RUN: llvm-mc -triple powerpc64-unknown-unknown %s
 # RUN: llvm-mc -triple powerpc64le-unknown-unknown %s
+# RUN: llvm-mc -triple powerpc64le-unknown-unknown -filetype=null %s
 
 # For now, the only thing we check is that the .machine directive
 # is accepted without syntax error.
diff --git a/llvm/test/MC/PowerPC/ppc64-abiversion.s b/llvm/test/MC/PowerPC/ppc64-abiversion.s
--- a/llvm/test/MC/PowerPC/ppc64-abiversion.s
+++ b/llvm/test/MC/PowerPC/ppc64-abiversion.s
@@ -3,6 +3,7 @@
 # RUN: llvm-readobj -h | FileCheck %s
 # RUN: llvm-mc -triple powerpc64le-unknown-unknown -filetype=obj %s | \
 # RUN: llvm-readobj -h | FileCheck %s
+# RUN: llvm-mc -triple powerpc64le-unknown-unknown -filetype=null %s
 
 	.abiversion 2
 # CHECK: Flags [ (0x2)