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authorStephen Hines <srhines@google.com>2014-05-29 02:49:00 -0700
committerStephen Hines <srhines@google.com>2014-05-29 02:49:00 -0700
commitdce4a407a24b04eebc6a376f8e62b41aaa7b071f (patch)
treedcebc53f2b182f145a2e659393bf9a0472cedf23 /lib/Target/Hexagon/HexagonMachineScheduler.cpp
parent220b921aed042f9e520c26cffd8282a94c66c3d5 (diff)
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Update LLVM for 3.5 rebase (r209712).
Change-Id: I149556c940fb7dc92d075273c87ff584f400941f
Diffstat (limited to 'lib/Target/Hexagon/HexagonMachineScheduler.cpp')
-rw-r--r--lib/Target/Hexagon/HexagonMachineScheduler.cpp20
1 files changed, 10 insertions, 10 deletions
diff --git a/lib/Target/Hexagon/HexagonMachineScheduler.cpp b/lib/Target/Hexagon/HexagonMachineScheduler.cpp
index 51318ff..7dd6e95 100644
--- a/lib/Target/Hexagon/HexagonMachineScheduler.cpp
+++ b/lib/Target/Hexagon/HexagonMachineScheduler.cpp
@@ -12,17 +12,17 @@
//
//===----------------------------------------------------------------------===//
-#define DEBUG_TYPE "misched"
-
#include "HexagonMachineScheduler.h"
#include "llvm/CodeGen/MachineLoopInfo.h"
#include "llvm/IR/Function.h"
using namespace llvm;
+#define DEBUG_TYPE "misched"
+
/// Platform specific modifications to DAG.
void VLIWMachineScheduler::postprocessDAG() {
- SUnit* LastSequentialCall = NULL;
+ SUnit* LastSequentialCall = nullptr;
// Currently we only catch the situation when compare gets scheduled
// before preceding call.
for (unsigned su = 0, e = SUnits.size(); su != e; ++su) {
@@ -398,13 +398,13 @@ SUnit *ConvergingVLIWScheduler::VLIWSchedBoundary::pickOnlyChoice() {
for (unsigned i = 0; Available.empty(); ++i) {
assert(i <= (HazardRec->getMaxLookAhead() + MaxMinLatency) &&
"permanent hazard"); (void)i;
- ResourceModel->reserveResources(0);
+ ResourceModel->reserveResources(nullptr);
bumpCycle();
releasePending();
}
if (Available.size() == 1)
return *Available.begin();
- return NULL;
+ return nullptr;
}
#ifndef NDEBUG
@@ -424,7 +424,7 @@ void ConvergingVLIWScheduler::traceCandidate(const char *Label,
/// getSingleUnscheduledPred - If there is exactly one unscheduled predecessor
/// of SU, return it, otherwise return null.
static SUnit *getSingleUnscheduledPred(SUnit *SU) {
- SUnit *OnlyAvailablePred = 0;
+ SUnit *OnlyAvailablePred = nullptr;
for (SUnit::const_pred_iterator I = SU->Preds.begin(), E = SU->Preds.end();
I != E; ++I) {
SUnit &Pred = *I->getSUnit();
@@ -432,7 +432,7 @@ static SUnit *getSingleUnscheduledPred(SUnit *SU) {
// We found an available, but not scheduled, predecessor. If it's the
// only one we have found, keep track of it... otherwise give up.
if (OnlyAvailablePred && OnlyAvailablePred != &Pred)
- return 0;
+ return nullptr;
OnlyAvailablePred = &Pred;
}
}
@@ -442,7 +442,7 @@ static SUnit *getSingleUnscheduledPred(SUnit *SU) {
/// getSingleUnscheduledSucc - If there is exactly one unscheduled successor
/// of SU, return it, otherwise return null.
static SUnit *getSingleUnscheduledSucc(SUnit *SU) {
- SUnit *OnlyAvailableSucc = 0;
+ SUnit *OnlyAvailableSucc = nullptr;
for (SUnit::const_succ_iterator I = SU->Succs.begin(), E = SU->Succs.end();
I != E; ++I) {
SUnit &Succ = *I->getSUnit();
@@ -450,7 +450,7 @@ static SUnit *getSingleUnscheduledSucc(SUnit *SU) {
// We found an available, but not scheduled, successor. If it's the
// only one we have found, keep track of it... otherwise give up.
if (OnlyAvailableSucc && OnlyAvailableSucc != &Succ)
- return 0;
+ return nullptr;
OnlyAvailableSucc = &Succ;
}
}
@@ -639,7 +639,7 @@ SUnit *ConvergingVLIWScheduler::pickNode(bool &IsTopNode) {
if (DAG->top() == DAG->bottom()) {
assert(Top.Available.empty() && Top.Pending.empty() &&
Bot.Available.empty() && Bot.Pending.empty() && "ReadyQ garbage");
- return NULL;
+ return nullptr;
}
SUnit *SU;
if (llvm::ForceTopDown) {