From 54ab2e9326993d9db0e393d3285a5c0a72af2c51 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Mon, 5 Apr 2010 19:16:38 +0000
Subject: [PATCH] Add an isReachableFromEntry to MachineDominators, following
 the one in Dominators.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100454 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/CodeGen/MachineDominators.h | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/include/llvm/CodeGen/MachineDominators.h b/include/llvm/CodeGen/MachineDominators.h
index 086528aaf57..48695d500b1 100644
--- a/include/llvm/CodeGen/MachineDominators.h
+++ b/include/llvm/CodeGen/MachineDominators.h
@@ -156,8 +156,13 @@ public:
   inline void splitBlock(MachineBasicBlock* NewBB) {
     DT->splitBlock(NewBB);
   }
-  
-  
+
+  /// isReachableFromEntry - Return true if A is dominated by the entry
+  /// block of the function containing it.
+  bool isReachableFromEntry(MachineBasicBlock *A) {
+    return DT->isReachableFromEntry(A);
+  }
+
   virtual void releaseMemory();
   
   virtual void print(raw_ostream &OS, const Module*) const;
-- 
2.34.1