summaryrefslogtreecommitdiffstats
path: root/llvm
diff options
context:
space:
mode:
Diffstat (limited to 'llvm')
-rw-r--r--llvm/include/llvm/CodeGen/RegAllocPBQP.h14
-rw-r--r--llvm/lib/CodeGen/RegAllocPBQP.cpp26
2 files changed, 21 insertions, 19 deletions
diff --git a/llvm/include/llvm/CodeGen/RegAllocPBQP.h b/llvm/include/llvm/CodeGen/RegAllocPBQP.h
index 441b0f084e6..2927a78ae92 100644
--- a/llvm/include/llvm/CodeGen/RegAllocPBQP.h
+++ b/llvm/include/llvm/CodeGen/RegAllocPBQP.h
@@ -123,9 +123,10 @@ namespace llvm {
/// Build a PBQP instance to represent the register allocation problem for
/// the given MachineFunction.
- virtual PBQPRAProblem *build(MachineFunction *mf, const LiveIntervals *lis,
- const MachineBlockFrequencyInfo *mbfi,
- const RegSet &vregs);
+ virtual std::unique_ptr<PBQPRAProblem>
+ build(MachineFunction *mf, const LiveIntervals *lis,
+ const MachineBlockFrequencyInfo *mbfi, const RegSet &vregs);
+
private:
void addSpillCosts(PBQP::Vector &costVec, PBQP::PBQPNum spillCost);
@@ -142,9 +143,10 @@ namespace llvm {
/// Build a PBQP instance to represent the register allocation problem for
/// the given MachineFunction.
- PBQPRAProblem *build(MachineFunction *mf, const LiveIntervals *lis,
- const MachineBlockFrequencyInfo *mbfi,
- const RegSet &vregs) override;
+ std::unique_ptr<PBQPRAProblem> build(MachineFunction *mf,
+ const LiveIntervals *lis,
+ const MachineBlockFrequencyInfo *mbfi,
+ const RegSet &vregs) override;
private:
diff --git a/llvm/lib/CodeGen/RegAllocPBQP.cpp b/llvm/lib/CodeGen/RegAllocPBQP.cpp
index 7475f73308f..23043a222e2 100644
--- a/llvm/lib/CodeGen/RegAllocPBQP.cpp
+++ b/llvm/lib/CodeGen/RegAllocPBQP.cpp
@@ -183,15 +183,15 @@ unsigned PBQPRAProblem::getPRegForOption(unsigned vreg, unsigned option) const {
return allowedSet[option - 1];
}
-PBQPRAProblem *PBQPBuilder::build(MachineFunction *mf, const LiveIntervals *lis,
- const MachineBlockFrequencyInfo *mbfi,
- const RegSet &vregs) {
+std::unique_ptr<PBQPRAProblem>
+PBQPBuilder::build(MachineFunction *mf, const LiveIntervals *lis,
+ const MachineBlockFrequencyInfo *mbfi, const RegSet &vregs) {
LiveIntervals *LIS = const_cast<LiveIntervals*>(lis);
MachineRegisterInfo *mri = &mf->getRegInfo();
const TargetRegisterInfo *tri = mf->getSubtarget().getRegisterInfo();
- std::unique_ptr<PBQPRAProblem> p(new PBQPRAProblem());
+ auto p = llvm::make_unique<PBQPRAProblem>();
PBQPRAGraph &g = p->getGraph();
RegSet pregs;
@@ -280,7 +280,7 @@ PBQPRAProblem *PBQPBuilder::build(MachineFunction *mf, const LiveIntervals *lis,
}
}
- return p.release();
+ return p;
}
void PBQPBuilder::addSpillCosts(PBQP::Vector &costVec,
@@ -309,12 +309,12 @@ void PBQPBuilder::addInterferenceCosts(
}
}
-PBQPRAProblem *PBQPBuilderWithCoalescing::build(MachineFunction *mf,
- const LiveIntervals *lis,
- const MachineBlockFrequencyInfo *mbfi,
- const RegSet &vregs) {
+std::unique_ptr<PBQPRAProblem>
+PBQPBuilderWithCoalescing::build(MachineFunction *mf, const LiveIntervals *lis,
+ const MachineBlockFrequencyInfo *mbfi,
+ const RegSet &vregs) {
- std::unique_ptr<PBQPRAProblem> p(PBQPBuilder::build(mf, lis, mbfi, vregs));
+ std::unique_ptr<PBQPRAProblem> p = PBQPBuilder::build(mf, lis, mbfi, vregs);
PBQPRAGraph &g = p->getGraph();
const TargetMachine &tm = mf->getTarget();
@@ -383,7 +383,7 @@ PBQPRAProblem *PBQPBuilderWithCoalescing::build(MachineFunction *mf,
}
}
- return p.release();
+ return p;
}
void PBQPBuilderWithCoalescing::addPhysRegCoalesce(PBQP::Vector &costVec,
@@ -579,8 +579,8 @@ bool RegAllocPBQP::runOnMachineFunction(MachineFunction &MF) {
while (!pbqpAllocComplete) {
DEBUG(dbgs() << " PBQP Regalloc round " << round << ":\n");
- std::unique_ptr<PBQPRAProblem> problem(
- builder->build(mf, lis, mbfi, vregsToAlloc));
+ std::unique_ptr<PBQPRAProblem> problem =
+ builder->build(mf, lis, mbfi, vregsToAlloc);
#ifndef NDEBUG
if (pbqpDumpGraphs) {
OpenPOWER on IntegriCloud