From 01095a5d43bbfde13731688ddcf6048ebb8b7721 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sat, 23 Jul 2016 20:41:05 +0000
Subject: Vendor import of llvm release_39 branch r276489:
 https://llvm.org/svn/llvm-project/llvm/branches/release_39@276489

---
 lib/CodeGen/RegAllocBase.cpp | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

(limited to 'lib/CodeGen/RegAllocBase.cpp')

diff --git a/lib/CodeGen/RegAllocBase.cpp b/lib/CodeGen/RegAllocBase.cpp
index 16ff48e78a79..93eeb9cba457 100644
--- a/lib/CodeGen/RegAllocBase.cpp
+++ b/lib/CodeGen/RegAllocBase.cpp
@@ -22,9 +22,6 @@
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/CodeGen/VirtRegMap.h"
 #include "llvm/Target/TargetRegisterInfo.h"
-#ifndef NDEBUG
-#include "llvm/ADT/SparseBitVector.h"
-#endif
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
@@ -153,3 +150,12 @@ void RegAllocBase::allocatePhysRegs() {
     }
   }
 }
+
+void RegAllocBase::postOptimization() {
+  spiller().postOptimization();
+  for (auto DeadInst : DeadRemats) {
+    LIS->RemoveMachineInstrFromMaps(*DeadInst);
+    DeadInst->eraseFromParent();
+  }
+  DeadRemats.clear();
+}
-- 
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