Add a spiller option to llc. A simple spiller will come soon. When we get CFG in the machine code represenation a global spiller will also be possible. Also document the linear scan register allocator but mark it as experimental for now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12062 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/Passes.cpp b/lib/CodeGen/Passes.cpp
index bdcac4c..2fb6cb4 100644
--- a/lib/CodeGen/Passes.cpp
+++ b/lib/CodeGen/Passes.cpp
@@ -26,7 +26,7 @@
cl::Prefix,
cl::values(clEnumVal(simple, " simple register allocator"),
clEnumVal(local, " local register allocator"),
- clEnumVal(linearscan, " linear-scan global register allocator"),
+ clEnumVal(linearscan, " linear scan register allocator (experimental)"),
0),
cl::init(local));
}