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

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/CodeGen/Passes.cpp b/lib/CodeGen/Passes.cpp
index bdcac4c6d1..2fb6cb465c 100644
--- a/lib/CodeGen/Passes.cpp
+++ b/lib/CodeGen/Passes.cpp
@@ -26,7 +26,7 @@ namespace {
            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));
 }