Index: lib/Target/R600/MCTargetDesc/AMDGPUMCAsmInfo.cpp
===================================================================
--- lib/Target/R600/MCTargetDesc/AMDGPUMCAsmInfo.cpp
+++ lib/Target/R600/MCTargetDesc/AMDGPUMCAsmInfo.cpp
@@ -14,7 +14,6 @@
 AMDGPUMCAsmInfo::AMDGPUMCAsmInfo(StringRef &TT) : MCAsmInfoELF() {
   HasSingleParameterDotFile = false;
   //===------------------------------------------------------------------===//
-  HasSubsectionsViaSymbols = true;
   MaxInstLength = 16;
   SeparatorString = "\n";
   CommentString = ";";
Index: test/CodeGen/R600/empty-function.ll
===================================================================
--- /dev/null
+++ test/CodeGen/R600/empty-function.ll
@@ -0,0 +1,20 @@
+; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
+
+; Make sure we don't assert on empty functions
+
+; SI-LABEL: {{^}}empty_function_ret:
+; SI: .text
+; SI: S_ENDPGM
+; SI: codeLenInByte = 4
+define void @empty_function_ret() #0 {
+  ret void
+}
+
+; SI-LABEL: {{^}}empty_function_unreachable:
+; SI: .text
+; SI: codeLenInByte = 0
+define void @empty_function_unreachable() #0 {
+  unreachable
+}
+
+attributes #0 = { nounwind }