From 4e1b79459fcf72216cdc42a59953e172c60e15ca Mon Sep 17 00:00:00 2001
From: Dale Johannesen <dalej@apple.com>
Date: Tue, 8 Apr 2008 00:10:24 +0000
Subject: Implement new llc flag -disable-required-unwind-tables. Corresponds
 to -fno-unwind-tables (usually default in gcc).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49361 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/TargetMachine.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'lib/Target/TargetMachine.cpp')

diff --git a/lib/Target/TargetMachine.cpp b/lib/Target/TargetMachine.cpp
index e4f633f111..e6f080d328 100644
--- a/lib/Target/TargetMachine.cpp
+++ b/lib/Target/TargetMachine.cpp
@@ -31,6 +31,7 @@ namespace llvm {
   bool UseSoftFloat;
   bool NoZerosInBSS;
   bool ExceptionHandling;
+  bool UnwindTablesOptional;
   Reloc::Model RelocationModel;
   CodeModel::Model CMModel;
   bool PerformTailCallOpt;
@@ -80,9 +81,14 @@ namespace {
               cl::init(false));
   cl::opt<bool, true>
   EnableExceptionHandling("enable-eh",
-               cl::desc("Exception handling should be emitted."),
+               cl::desc("Emit DWARF exception handling (default if target supports)"),
                cl::location(ExceptionHandling),
                cl::init(false));
+  cl::opt<bool, true>
+  DisableUnwindTables("disable-required-unwind-tables",
+               cl::desc("Do not require unwinding info for all functions"),
+               cl::location(UnwindTablesOptional),
+               cl::init(false));
 
   cl::opt<llvm::Reloc::Model, true>
   DefRelocationModel(
-- 
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