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-rw-r--r--llvm/lib/Target/SystemZ/SystemZTargetMachine.cpp16
1 files changed, 9 insertions, 7 deletions
diff --git a/llvm/lib/Target/SystemZ/SystemZTargetMachine.cpp b/llvm/lib/Target/SystemZ/SystemZTargetMachine.cpp
index ceb79f7e774..4d60ab7e8d4 100644
--- a/llvm/lib/Target/SystemZ/SystemZTargetMachine.cpp
+++ b/llvm/lib/Target/SystemZ/SystemZTargetMachine.cpp
@@ -9,6 +9,7 @@
#include "SystemZTargetMachine.h"
#include "SystemZTargetTransformInfo.h"
+#include "SystemZMachineScheduler.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/TargetPassConfig.h"
#include "llvm/Support/TargetRegistry.h"
@@ -17,7 +18,6 @@
using namespace llvm;
-extern cl::opt<bool> MISchedPostRA;
extern "C" void LLVMInitializeSystemZTarget() {
// Register the target.
RegisterTargetMachine<SystemZTargetMachine> X(getTheSystemZTarget());
@@ -114,6 +114,12 @@ public:
return getTM<SystemZTargetMachine>();
}
+ ScheduleDAGInstrs *
+ createPostMachineScheduler(MachineSchedContext *C) const override {
+ return new ScheduleDAGMI(C, make_unique<SystemZPostRASchedStrategy>(C),
+ /*IsPostRA=*/true);
+ }
+
void addIRPasses() override;
bool addInstSelector() override;
void addPreSched2() override;
@@ -180,12 +186,8 @@ void SystemZPassConfig::addPreEmitPass() {
// Do final scheduling after all other optimizations, to get an
// optimal input for the decoder (branch relaxation must happen
// after block placement).
- if (getOptLevel() != CodeGenOpt::None) {
- if (MISchedPostRA)
- addPass(&PostMachineSchedulerID);
- else
- addPass(&PostRASchedulerID);
- }
+ if (getOptLevel() != CodeGenOpt::None)
+ addPass(&PostMachineSchedulerID);
}
TargetPassConfig *SystemZTargetMachine::createPassConfig(PassManagerBase &PM) {
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