[llvm-commits] [llvm] r94628 - /llvm/trunk/lib/Target/TargetMachine.cpp

[Evan Cheng]

Author: evancheng
Date: Tue Jan 26 18:10:09 2010
New Revision: 94628

URL: http://llvm.org/viewvc/llvm-project?rev=94628&view=rev
Log:
Clarify what -tailcallopt option actually do.

Modified:
    llvm/trunk/lib/Target/TargetMachine.cpp

Modified: llvm/trunk/lib/Target/TargetMachine.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/TargetMachine.cpp?rev=94628&r1=94627&r2=94628&view=diff

==============================================================================
--- llvm/trunk/lib/Target/TargetMachine.cpp (original)
+++ llvm/trunk/lib/Target/TargetMachine.cpp Tue Jan 26 18:10:09 2010
@@ -174,7 +174,7 @@
     clEnumValEnd));
 static cl::opt<bool, true>
 EnablePerformTailCallOpt("tailcallopt",
-  cl::desc("Turn on tail call optimization."),
+  cl::desc("Turn fastcc calls into tail calls by (potentially) changing ABI."),
   cl::location(PerformTailCallOpt),
   cl::init(false));
 static cl::opt<unsigned, true>