unwind: clean up -Wundef warnings
authorSaleem Abdulrasool <compnerd@compnerd.org>
Tue, 10 Feb 2015 03:43:28 +0000 (03:43 +0000)
committerSaleem Abdulrasool <compnerd@compnerd.org>
Tue, 10 Feb 2015 03:43:28 +0000 (03:43 +0000)
commit1dd9f685f4123736843b402f7b0116f1bba23ea1
treeb86df4f176784185f778d40782c31e85b887aa3d
parent2fdc44021f839992c8518c01dac772529b445ae2
unwind: clean up -Wundef warnings

The unified register management interfaces had multiple naked macros for
conditional logic.  This cleans them up to use the defined() form, avoiding
-Wundef warnings.  NFC.

llvm-svn: 228663
libcxxabi/src/Unwind/UnwindRegistersRestore.S
libcxxabi/src/Unwind/UnwindRegistersSave.S