Moved enum and command-line option in separate file. Also added function that returns the user selected register allocator to the caller.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8819 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index 8f6829f..d511de6 100644
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -16,15 +16,6 @@
#include "Support/Statistic.h"
namespace {
- 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"),
- 0),
- cl::init(local));
-
cl::opt<bool> PrintCode("print-machineinstrs",
cl::desc("Print generated machine code"));
cl::opt<bool> NoPatternISel("disable-pattern-isel", cl::init(true),
@@ -73,16 +64,7 @@
PM.add(createMachineFunctionPrinterPass());
// Perform register allocation to convert to a concrete x86 representation
- switch (RegAlloc) {
- case simple:
- PM.add(createSimpleRegisterAllocator());
- break;
- case local:
- PM.add(createLocalRegisterAllocator());
- break;
- default:
- assert(0 && "no register allocator selected");
- }
+ PM.add(createRegisterAllocator());
if (PrintCode)
PM.add(createMachineFunctionPrinterPass());
@@ -126,16 +108,7 @@
PM.add(createMachineFunctionPrinterPass());
// Perform register allocation to convert to a concrete x86 representation
- switch (RegAlloc) {
- case simple:
- PM.add(createSimpleRegisterAllocator());
- break;
- case local:
- PM.add(createLocalRegisterAllocator());
- break;
- default:
- assert(0 && "no register allocator selected");
- }
+ PM.add(createRegisterAllocator());
if (PrintCode)
PM.add(createMachineFunctionPrinterPass());