From 2ff6e1e62cf73c83379e660baa570c786ba92f12 Mon Sep 17 00:00:00 2001
From: Bill Wendling <isanbard@gmail.com>
Date: Tue, 28 Sep 2010 23:11:55 +0000
Subject: [PATCH] Revert r114997. It was causing a failure on
 darwin10-selfhost.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115002 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/TargetLoweringObjectFileImpl.cpp | 18 +++++++++++++-----
 test/CodeGen/X86/non-globl-eh-frame.ll       |  2 ++
 2 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/lib/CodeGen/TargetLoweringObjectFileImpl.cpp b/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
index 0f36d4296f6..4afdc3ddef5 100644
--- a/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
+++ b/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
@@ -444,19 +444,27 @@ getExprForDwarfGlobalReference(const GlobalValue *GV, Mangler *Mang,
 
 void TargetLoweringObjectFileMachO::Initialize(MCContext &Ctx,
                                                const TargetMachine &TM) {
+  // _foo.eh symbols are currently always exported so that the linker knows
+  // about them.  This is not necessary on 10.6 and later, but it
+  // doesn't hurt anything.
+  // FIXME: I need to get this from Triple.
   IsFunctionEHSymbolGlobal = true;
   IsFunctionEHFrameSymbolPrivate = false;
   SupportsWeakOmittedEHFrame = false;
 
   Triple T(((LLVMTargetMachine&)TM).getTargetTriple());
   if (T.getOS() == Triple::Darwin) {
-    unsigned MajNum = T.getDarwinMajorNumber();
-    if (MajNum == 7 || MajNum == 8) // 10.3 Panther, 10.4 Tiger
+    switch (T.getDarwinMajorNumber()) {
+    case 7:  // 10.3 Panther.
+    case 8:  // 10.4 Tiger.
       CommDirectiveSupportsAlignment = false;
-    if (MajNum > 9)                 // 10.6 SnowLeopard
-      IsFunctionEHSymbolGlobal = false;
+      break;
+    case 9:   // 10.5 Leopard.
+    case 10:  // 10.6 SnowLeopard.
+      break;
+    }
   }
-
+  
   TargetLoweringObjectFile::Initialize(Ctx, TM);
 
   TextSection // .text
diff --git a/test/CodeGen/X86/non-globl-eh-frame.ll b/test/CodeGen/X86/non-globl-eh-frame.ll
index 71349ecafeb..20fd9a6f1a3 100644
--- a/test/CodeGen/X86/non-globl-eh-frame.ll
+++ b/test/CodeGen/X86/non-globl-eh-frame.ll
@@ -1,5 +1,7 @@
 ; RUN: llc < %s -mtriple x86_64-apple-darwin10 -march x86 | not grep {{.globl\[\[:space:\]\]*__Z4funcv.eh}}
 ; RUN: llc < %s -mtriple x86_64-apple-darwin9  -march x86 | FileCheck %s -check-prefix=DARWIN9
+; XFAIL: *
+; Fail this until I can fix the global EH failure.
 
 %struct.__pointer_type_info_pseudo = type { %struct.__type_info_pseudo, i32, %"struct.std::type_info"* }
 %struct.__type_info_pseudo = type { i8*, i8* }
-- 
2.34.1