From 07371882208f913d18a7f2a47373eaee7138416b Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sat, 28 Oct 2006 18:10:06 +0000
Subject: [PATCH] don't print dead jump tables

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31266 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/AsmPrinter.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/CodeGen/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter.cpp
index 9a740692b9b..bfd0e37924b 100644
--- a/lib/CodeGen/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter.cpp
@@ -221,6 +221,9 @@ void AsmPrinter::EmitJumpTableInfo(MachineJumpTableInfo *MJTI,
   
   for (unsigned i = 0, e = JT.size(); i != e; ++i) {
     const std::vector<MachineBasicBlock*> &JTBBs = JT[i].MBBs;
+    
+    // If this jump table was deleted, ignore it. 
+    if (JTBBs.empty()) continue;
 
     // For PIC codegen, if possible we want to use the SetDirective to reduce
     // the number of relocations the assembler will generate for the jump table.