[llvm-commits] [llvm] r138811 - in /llvm/trunk: include/llvm/Target/TargetOptions.h lib/Target/TargetMachine.cpp

[Rafael Espindola]

Author: rafael
Date: Tue Aug 30 14:29:02 2011
New Revision: 138811

URL: http://llvm.org/viewvc/llvm-project?rev=138811&view=rev
Log:
Command line option to enable support for segmented stacks:
-segmented-stacks.
Patch by Sanjoy Das!

Modified:
    llvm/trunk/include/llvm/Target/TargetOptions.h
    llvm/trunk/lib/Target/TargetMachine.cpp

Modified: llvm/trunk/include/llvm/Target/TargetOptions.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Target/TargetOptions.h?rev=138811&r1=138810&r2=138811&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Target/TargetOptions.h (original)
+++ llvm/trunk/include/llvm/Target/TargetOptions.h Tue Aug 30 14:29:02 2011
@@ -158,6 +158,8 @@
   /// instead of an ISD::TRAP node.
   extern StringRef getTrapFunctionName();
 
+  extern bool EnableSegmentedStacks;
+
 } // End llvm namespace
 
 #endif

Modified: llvm/trunk/lib/Target/TargetMachine.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/TargetMachine.cpp?rev=138811&r1=138810&r2=138811&view=diff
==============================================================================
--- llvm/trunk/lib/Target/TargetMachine.cpp (original)
+++ llvm/trunk/lib/Target/TargetMachine.cpp Tue Aug 30 14:29:02 2011
@@ -47,6 +47,7 @@
   bool StrongPHIElim;
   bool HasDivModLibcall;
   bool AsmVerbosityDefault(false);
+  bool EnableSegmentedStacks;
 }
 
 static cl::opt<bool, true>
@@ -178,6 +179,12 @@
 FunctionSections("ffunction-sections",
   cl::desc("Emit functions into separate sections"),
   cl::init(false));
+static cl::opt<bool, true>
+SegmentedStacks("segmented-stacks",
+  cl::desc("Use segmented stacks if possible."),
+  cl::location(EnableSegmentedStacks),
+  cl::init(false));
+                         
 //---------------------------------------------------------------------------
 // TargetMachine Class
 //