From 593ea05957b98472a916278d64229ceda223c50b Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Wed, 15 Apr 2009 01:18:49 +0000
Subject: Move MachineJumpTableInfo::ReplaceMBBInJumpTables out of line.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69125 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/MachineFunction.cpp | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

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

diff --git a/lib/CodeGen/MachineFunction.cpp b/lib/CodeGen/MachineFunction.cpp
index 18a040e554..fc0e99fe4b 100644
--- a/lib/CodeGen/MachineFunction.cpp
+++ b/lib/CodeGen/MachineFunction.cpp
@@ -486,6 +486,23 @@ unsigned MachineJumpTableInfo::getJumpTableIndex(
   return JumpTables.size()-1;
 }
 
+/// ReplaceMBBInJumpTables - If Old is the target of any jump tables, update
+/// the jump tables to branch to New instead.
+bool
+MachineJumpTableInfo::ReplaceMBBInJumpTables(MachineBasicBlock *Old,
+                                             MachineBasicBlock *New) {
+  assert(Old != New && "Not making a change?");
+  bool MadeChange = false;
+  for (size_t i = 0, e = JumpTables.size(); i != e; ++i) {
+    MachineJumpTableEntry &JTE = JumpTables[i];
+    for (size_t j = 0, e = JTE.MBBs.size(); j != e; ++j)
+      if (JTE.MBBs[j] == Old) {
+        JTE.MBBs[j] = New;
+        MadeChange = true;
+      }
+  }
+  return MadeChange;
+}
 
 void MachineJumpTableInfo::print(std::ostream &OS) const {
   // FIXME: this is lame, maybe we could print out the MBB numbers or something
-- 
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