From 7c30191393c99c9ba804f1a01942a9e130c53904 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sun, 13 Sep 2009 19:02:16 +0000
Subject: [PATCH] remove MAI::JumpTableSpecialLabelPrefix now that MAI has real
 information about linker private linkage.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81695 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/AsmPrinter/AsmPrinter.cpp | 8 ++++----
 lib/MC/MCAsmInfo.cpp                  | 1 -
 lib/MC/MCAsmInfoDarwin.cpp            | 6 ------
 3 files changed, 4 insertions(+), 11 deletions(-)

diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index c6339ebfc4d..e9ddadab7c4 100644
--- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -375,13 +375,13 @@ void AsmPrinter::EmitJumpTableInfo(MachineJumpTableInfo *MJTI,
         if (EmittedSets.insert(JTBBs[ii]))
           printPICJumpTableSetLabel(i, JTBBs[ii]);
     
-    // On some targets (e.g. darwin) we want to emit two consequtive labels
+    // On some targets (e.g. Darwin) we want to emit two consequtive labels
     // before each jump table.  The first label is never referenced, but tells
     // the assembler and linker the extents of the jump table object.  The
     // second label is actually referenced by the code.
-    if (JTInDiffSection) {
-      if (const char *JTLabelPrefix = MAI->getJumpTableSpecialLabelPrefix())
-        O << JTLabelPrefix << "JTI" << getFunctionNumber() << '_' << i << ":\n";
+    if (JTInDiffSection && MAI->getLinkerPrivateGlobalPrefix()[0]) {
+      O << MAI->getLinkerPrivateGlobalPrefix()
+        << "JTI" << getFunctionNumber() << '_' << i << ":\n";
     }
     
     O << MAI->getPrivateGlobalPrefix() << "JTI" << getFunctionNumber() 
diff --git a/lib/MC/MCAsmInfo.cpp b/lib/MC/MCAsmInfo.cpp
index 65625608f02..1630482de42 100644
--- a/lib/MC/MCAsmInfo.cpp
+++ b/lib/MC/MCAsmInfo.cpp
@@ -30,7 +30,6 @@ MCAsmInfo::MCAsmInfo() {
   GlobalPrefix = "";
   PrivateGlobalPrefix = ".";
   LinkerPrivateGlobalPrefix = "";
-  JumpTableSpecialLabelPrefix = 0;
   GlobalVarAddrPrefix = "";
   GlobalVarAddrSuffix = "";
   FunctionAddrPrefix = "";
diff --git a/lib/MC/MCAsmInfoDarwin.cpp b/lib/MC/MCAsmInfoDarwin.cpp
index 38b9e5b90b5..d6a4e740ed5 100644
--- a/lib/MC/MCAsmInfoDarwin.cpp
+++ b/lib/MC/MCAsmInfoDarwin.cpp
@@ -30,11 +30,6 @@ MCAsmInfoDarwin::MCAsmInfoDarwin() {
   InlineAsmStart = " InlineAsm Start";
   InlineAsmEnd = " InlineAsm End";
 
-  // In non-PIC modes, emit a special label before jump tables so that the
-  // linker can perform more accurate dead code stripping.  We do not check the
-  // relocation model here since it can be overridden later.
-  JumpTableSpecialLabelPrefix = "l";
-    
   // Directives:
   WeakDefDirective = "\t.weak_definition ";
   WeakRefDirective = "\t.weak_reference ";
@@ -54,6 +49,5 @@ MCAsmInfoDarwin::MCAsmInfoDarwin() {
   Is_EHSymbolPrivate = false;
   GlobalEHDirective = "\t.globl\t";
   SupportsWeakOmittedEHFrame = false;
-
 }
 
-- 
2.34.1