Revert r279564. It introduces undefined behavior (binding a reference to a

dereferenced null pointer) in MachineModuleInfo::MachineModuleInfo that causes
-Werror builds (including several buildbots) to fail.

llvm-svn: 279580

1 files changed, 2 insertions, 0 deletions

diff --git a/llvm/lib/Target/Hexagon/HexagonGenExtract.cpp b/llvm/lib/Target/Hexagon/HexagonGenExtract.cpp
index ca10846653a..f46b6d2a82e 100644
--- a/llvm/lib/Target/Hexagon/HexagonGenExtract.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonGenExtract.cpp
@@ -8,6 +8,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/ADT/STLExtras.h"
+#include "llvm/CodeGen/MachineFunctionAnalysis.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/Dominators.h"
 #include "llvm/IR/Function.h"
@@ -59,6 +60,7 @@ namespace {
     virtual void getAnalysisUsage(AnalysisUsage &AU) const override {
       AU.addRequired<DominatorTreeWrapperPass>();
       AU.addPreserved<DominatorTreeWrapperPass>();
+      AU.addPreserved<MachineFunctionAnalysis>();
       FunctionPass::getAnalysisUsage(AU);
     }
   private: