Add Iterative scan register allocator.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15068 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/Passes.cpp b/lib/CodeGen/Passes.cpp
index 37b4dde..3fd107b 100644
--- a/lib/CodeGen/Passes.cpp
+++ b/lib/CodeGen/Passes.cpp
@@ -18,15 +18,16 @@
using namespace llvm;
namespace {
- enum RegAllocName { simple, local, linearscan };
+ enum RegAllocName { simple, local, linearscan, iterativescan };
cl::opt<RegAllocName>
RegAlloc("regalloc",
cl::desc("Register allocator to use: (default = simple)"),
cl::Prefix,
- cl::values(clEnumVal(simple, " simple register allocator"),
- clEnumVal(local, " local register allocator"),
- clEnumVal(linearscan, " linear scan register allocator"),
+ cl::values(clEnumVal(simple, " simple register allocator"),
+ clEnumVal(local, " local register allocator"),
+ clEnumVal(linearscan, " linear scan register allocator"),
+ clEnumVal(iterativescan," iterative scan register allocator"),
clEnumValEnd),
cl::init(local));
}
@@ -42,6 +43,8 @@
return createLocalRegisterAllocator();
case linearscan:
return createLinearScanRegisterAllocator();
+ case iterativescan:
+ return createIterativeScanRegisterAllocator();
}
}