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-rw-r--r--include/llvm/CodeGen/MachineScheduler.h8
-rw-r--r--lib/CodeGen/MachineScheduler.cpp14
2 files changed, 16 insertions, 6 deletions
diff --git a/include/llvm/CodeGen/MachineScheduler.h b/include/llvm/CodeGen/MachineScheduler.h
index a7ed0bd7331..b0b6aa7dc54 100644
--- a/include/llvm/CodeGen/MachineScheduler.h
+++ b/include/llvm/CodeGen/MachineScheduler.h
@@ -27,7 +27,6 @@
#ifndef MACHINESCHEDULER_H
#define MACHINESCHEDULER_H
-#include "RegisterClassInfo.h"
#include "llvm/CodeGen/MachinePassRegistry.h"
namespace llvm {
@@ -36,6 +35,7 @@ class AliasAnalysis;
class LiveIntervals;
class MachineDominatorTree;
class MachineLoopInfo;
+class RegClassInfo;
class ScheduleDAGInstrs;
/// MachineSchedContext provides enough context from the MachineScheduler pass
@@ -48,10 +48,10 @@ struct MachineSchedContext {
AliasAnalysis *AA;
LiveIntervals *LIS;
- RegisterClassInfo RegClassInfo;
+ RegisterClassInfo *RegClassInfo;
- MachineSchedContext():
- MF(0), MLI(0), MDT(0), PassConfig(0), AA(0), LIS(0) {}
+ MachineSchedContext();
+ virtual ~MachineSchedContext();
};
/// MachineSchedRegistry provides a selection of available machine instruction
diff --git a/lib/CodeGen/MachineScheduler.cpp b/lib/CodeGen/MachineScheduler.cpp
index 53003d8dac7..4314e48f9f3 100644
--- a/lib/CodeGen/MachineScheduler.cpp
+++ b/lib/CodeGen/MachineScheduler.cpp
@@ -14,6 +14,7 @@
#define DEBUG_TYPE "misched"
+#include "RegisterClassInfo.h"
#include "RegisterPressure.h"
#include "llvm/CodeGen/LiveIntervalAnalysis.h"
#include "llvm/CodeGen/MachineScheduler.h"
@@ -51,6 +52,15 @@ static bool ViewMISchedDAGs = false;
// Machine Instruction Scheduling Pass and Registry
//===----------------------------------------------------------------------===//
+MachineSchedContext::MachineSchedContext():
+ MF(0), MLI(0), MDT(0), PassConfig(0), AA(0), LIS(0) {
+ RegClassInfo = new RegisterClassInfo();
+}
+
+MachineSchedContext::~MachineSchedContext() {
+ delete RegClassInfo;
+}
+
namespace {
/// MachineScheduler runs after coalescing and before register allocation.
class MachineScheduler : public MachineSchedContext,
@@ -173,7 +183,7 @@ bool MachineScheduler::runOnMachineFunction(MachineFunction &mf) {
LIS = &getAnalysis<LiveIntervals>();
const TargetInstrInfo *TII = MF->getTarget().getInstrInfo();
- RegClassInfo.runOnMachineFunction(*MF);
+ RegClassInfo->runOnMachineFunction(*MF);
// Select the scheduler, or set the default.
MachineSchedRegistry::ScheduleDAGCtor Ctor = MachineSchedOpt;
@@ -328,7 +338,7 @@ class ScheduleDAGMI : public ScheduleDAGInstrs {
public:
ScheduleDAGMI(MachineSchedContext *C, MachineSchedStrategy *S):
ScheduleDAGInstrs(*C->MF, *C->MLI, *C->MDT, /*IsPostRA=*/false, C->LIS),
- AA(C->AA), RegClassInfo(&C->RegClassInfo), SchedImpl(S),
+ AA(C->AA), RegClassInfo(C->RegClassInfo), SchedImpl(S),
RPTracker(RegPressure), CurrentTop(), CurrentBottom(),
NumInstrsScheduled(0) {}