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
diff --git a/lib/Target/TargetMachine.cpp b/lib/Target/TargetMachine.cpp
index e4f633f..e6f080d 100644
--- a/lib/Target/TargetMachine.cpp
+++ b/lib/Target/TargetMachine.cpp
@@ -31,6 +31,7 @@
bool UseSoftFloat;
bool NoZerosInBSS;
bool ExceptionHandling;
+ bool UnwindTablesOptional;
Reloc::Model RelocationModel;
CodeModel::Model CMModel;
bool PerformTailCallOpt;
@@ -80,9 +81,14 @@
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(