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authorDimitry Andric <dim@FreeBSD.org>2017-07-01 13:22:02 +0000
committerDimitry Andric <dim@FreeBSD.org>2017-07-01 13:22:02 +0000
commit9df3605dea17e84f8183581f6103bd0c79e2a606 (patch)
tree70a2f36ce9eb9bb213603cd7f2f120af53fc176f /lib/CodeGen/MacroFusion.cpp
parent08bbd35a80bf7765fe0d3043f9eb5a2f2786b649 (diff)
Notes
Diffstat (limited to 'lib/CodeGen/MacroFusion.cpp')
-rw-r--r--lib/CodeGen/MacroFusion.cpp27
1 files changed, 15 insertions, 12 deletions
diff --git a/lib/CodeGen/MacroFusion.cpp b/lib/CodeGen/MacroFusion.cpp
index 45ea0e4c39ab4..5e279b065bbda 100644
--- a/lib/CodeGen/MacroFusion.cpp
+++ b/lib/CodeGen/MacroFusion.cpp
@@ -1,4 +1,4 @@
-//===- MacroFusion.cpp - Macro Fusion ----------------------===//
+//===- MacroFusion.cpp - Macro Fusion -------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
@@ -13,8 +13,15 @@
//===----------------------------------------------------------------------===//
#include "llvm/CodeGen/MacroFusion.h"
+#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/Statistic.h"
+#include "llvm/CodeGen/MachineInstr.h"
+#include "llvm/CodeGen/MachineScheduler.h"
+#include "llvm/CodeGen/ScheduleDAG.h"
+#include "llvm/CodeGen/ScheduleDAGMutation.h"
#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/Debug.h"
+#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetInstrInfo.h"
#define DEBUG_TYPE "misched"
@@ -26,8 +33,6 @@ using namespace llvm;
static cl::opt<bool> EnableMacroFusion("misched-fusion", cl::Hidden,
cl::desc("Enable scheduling for macro fusion."), cl::init(true));
-namespace {
-
static void fuseInstructionPair(ScheduleDAGMI &DAG, SUnit &FirstSU,
SUnit &SecondSU) {
// Create a single weak edge between the adjacent instrs. The only effect is
@@ -66,6 +71,7 @@ static void fuseInstructionPair(ScheduleDAGMI &DAG, SUnit &FirstSU,
++NumFused;
}
+namespace {
/// \brief Post-process the DAG to create cluster edges between instrs that may
/// be fused by the processor into a single operation.
@@ -81,6 +87,8 @@ public:
void apply(ScheduleDAGInstrs *DAGInstrs) override;
};
+} // end anonymous namespace
+
void MacroFusion::apply(ScheduleDAGInstrs *DAGInstrs) {
ScheduleDAGMI *DAG = static_cast<ScheduleDAGMI*>(DAGInstrs);
@@ -128,23 +136,18 @@ bool MacroFusion::scheduleAdjacentImpl(ScheduleDAGMI &DAG, SUnit &AnchorSU) {
return false;
}
-} // end anonymous namespace
-
-
-namespace llvm {
-
std::unique_ptr<ScheduleDAGMutation>
-createMacroFusionDAGMutation(ShouldSchedulePredTy shouldScheduleAdjacent) {
+llvm::createMacroFusionDAGMutation(
+ ShouldSchedulePredTy shouldScheduleAdjacent) {
if(EnableMacroFusion)
return llvm::make_unique<MacroFusion>(shouldScheduleAdjacent, true);
return nullptr;
}
std::unique_ptr<ScheduleDAGMutation>
-createBranchMacroFusionDAGMutation(ShouldSchedulePredTy shouldScheduleAdjacent) {
+llvm::createBranchMacroFusionDAGMutation(
+ ShouldSchedulePredTy shouldScheduleAdjacent) {
if(EnableMacroFusion)
return llvm::make_unique<MacroFusion>(shouldScheduleAdjacent, false);
return nullptr;
}
-
-} // end namespace llvm