Author: joerg
Date: Mon Mar 7 11:18:41 2016
New Revision: 262837
URL: http://llvm.org/viewvc/llvm-project?rev=262837&view=rev
Log:
Describe the magic numbers returned by getEHDataRegisterNumber.
Modified:
cfe/trunk/include/clang/Basic/TargetInfo.h
Modified: cfe/trunk/include/clang/Basic/TargetInfo.h
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/TargetInfo.h?rev=262837&r1=262836&r2=262837&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/TargetInfo.h (original)
+++ cfe/trunk/include/clang/Basic/TargetInfo.h Mon Mar 7 11:18:41 2016
@@ -873,6 +873,8 @@ public:
/// \brief Return the register number that __builtin_eh_return_regno would
/// return with the specified argument.
+ /// This corresponds with TargetLowering's getExceptionPointerRegister
+ /// and getExceptionSelectorRegister in the backend.
virtual int getEHDataRegisterNumber(unsigned RegNo) const {
return -1;
}
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