[llvm-commits] [llvm] r45972 - in /llvm/trunk/lib/CodeGen: LLVMTargetMachine.cpp PostRASchedulerList.cpp

[Chris Lattner]

Author: lattner
Date: Mon Jan 14 13:00:06 2008
New Revision: 45972

URL: http://llvm.org/viewvc/llvm-project?rev=45972&view=rev
Log:
don't create the post-ra scheduler unless it is enabled.

Modified:
    llvm/trunk/lib/CodeGen/LLVMTargetMachine.cpp
    llvm/trunk/lib/CodeGen/PostRASchedulerList.cpp

Modified: llvm/trunk/lib/CodeGen/LLVMTargetMachine.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/LLVMTargetMachine.cpp?rev=45972&r1=45971&r2=45972&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/LLVMTargetMachine.cpp (original)
+++ llvm/trunk/lib/CodeGen/LLVMTargetMachine.cpp Mon Jan 14 13:00:06 2008
@@ -41,6 +41,12 @@
             cl::init(false), cl::Hidden,
             cl::desc("Perform loop-invariant code motion on machine code"));
 
+// When this works it will be on by default.
+static cl::opt<bool>
+DisablePostRAScheduler("disable-post-RA-scheduler",
+                       cl::desc("Disable scheduling after register allocation"),
+                       cl::init(true));
+
 FileModel::Model
 LLVMTargetMachine::addPassesToEmitFile(FunctionPassManager &PM,
                                        std::ostream &Out,
@@ -103,7 +109,7 @@
   PM.add(createPrologEpilogCodeInserter());
   
   // Second pass scheduler.
-  if (!Fast)
+  if (!Fast && !DisablePostRAScheduler)
     PM.add(createPostRAScheduler());
 
   // Branch folding must be run after regalloc and prolog/epilog insertion.

Modified: llvm/trunk/lib/CodeGen/PostRASchedulerList.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/PostRASchedulerList.cpp?rev=45972&r1=45971&r2=45972&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/PostRASchedulerList.cpp (original)
+++ llvm/trunk/lib/CodeGen/PostRASchedulerList.cpp Mon Jan 14 13:00:06 2008
@@ -21,23 +21,11 @@
 #define DEBUG_TYPE "post-RA-sched"
 #include "llvm/CodeGen/Passes.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
+#include "llvm/Support/Compiler.h"
 #include "llvm/Support/Debug.h"
-//#include "llvm/ADT/Statistic.h"
-//#include <climits>
-//#include <queue>
-#include "llvm/Support/CommandLine.h"
 using namespace llvm;
 
 namespace {
-  bool NoPostRAScheduling;
-
-  // When this works it will be on by default.
-  cl::opt<bool, true>
-  DisablePostRAScheduler("disable-post-RA-scheduler",
-               cl::desc("Disable scheduling after register allocation"),
-               cl::location(NoPostRAScheduling),
-               cl::init(true));
-
   class VISIBILITY_HIDDEN SchedulePostRATDList : public MachineFunctionPass {
   public:
     static char ID;
@@ -56,9 +44,6 @@
 }
 
 bool SchedulePostRATDList::runOnMachineFunction(MachineFunction &Fn) {
-  if (NoPostRAScheduling)
-    return true;
-
   DOUT << "SchedulePostRATDList\n";
   MF = &Fn;
   TM = &MF->getTarget();