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Update SetVector to rely on the underlying set's insert to return a pair<iterator...
[oota-llvm.git]
/
lib
/
CodeGen
/
CalcSpillWeights.cpp
diff --git
a/lib/CodeGen/CalcSpillWeights.cpp
b/lib/CodeGen/CalcSpillWeights.cpp
index bc033f96bcf2ec60f18850b373a7a3f954807464..d08fae09323ca16c4a6bb2c3b614a86cc1ba894c 100644
(file)
--- a/
lib/CodeGen/CalcSpillWeights.cpp
+++ b/
lib/CodeGen/CalcSpillWeights.cpp
@@
-16,8
+16,8
@@
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetInstrInfo.h"
-#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
using namespace llvm;
#define DEBUG_TYPE "calcspillweights"
using namespace llvm;
#define DEBUG_TYPE "calcspillweights"
@@
-95,11
+95,12
@@
static bool isRematerializable(const LiveInterval &LI,
void
VirtRegAuxInfo::calculateSpillWeightAndHint(LiveInterval &li) {
MachineRegisterInfo &mri = MF.getRegInfo();
void
VirtRegAuxInfo::calculateSpillWeightAndHint(LiveInterval &li) {
MachineRegisterInfo &mri = MF.getRegInfo();
- const TargetRegisterInfo &tri = *MF.get
T
arget().getRegisterInfo();
+ const TargetRegisterInfo &tri = *MF.get
Subt
arget().getRegisterInfo();
MachineBasicBlock *mbb = nullptr;
MachineLoop *loop = nullptr;
bool isExiting = false;
float totalWeight = 0;
MachineBasicBlock *mbb = nullptr;
MachineLoop *loop = nullptr;
bool isExiting = false;
float totalWeight = 0;
+ unsigned numInstr = 0; // Number of instructions using li
SmallPtrSet<MachineInstr*, 8> visited;
// Find the best physreg hint and the best virtreg hint.
SmallPtrSet<MachineInstr*, 8> visited;
// Find the best physreg hint and the best virtreg hint.
@@
-116,9
+117,10
@@
VirtRegAuxInfo::calculateSpillWeightAndHint(LiveInterval &li) {
I = mri.reg_instr_begin(li.reg), E = mri.reg_instr_end();
I != E; ) {
MachineInstr *mi = &*(I++);
I = mri.reg_instr_begin(li.reg), E = mri.reg_instr_end();
I != E; ) {
MachineInstr *mi = &*(I++);
+ numInstr++;
if (mi->isIdentityCopy() || mi->isImplicitDef() || mi->isDebugValue())
continue;
if (mi->isIdentityCopy() || mi->isImplicitDef() || mi->isDebugValue())
continue;
- if (!visited.insert(mi))
+ if (!visited.insert(mi)
.second
)
continue;
float weight = 1.0f;
continue;
float weight = 1.0f;
@@
-186,8
+188,8
@@
VirtRegAuxInfo::calculateSpillWeightAndHint(LiveInterval &li) {
// it is a preferred candidate for spilling.
// FIXME: this gets much more complicated once we support non-trivial
// re-materialization.
// it is a preferred candidate for spilling.
// FIXME: this gets much more complicated once we support non-trivial
// re-materialization.
- if (isRematerializable(li, LIS, *MF.get
T
arget().getInstrInfo()))
+ if (isRematerializable(li, LIS, *MF.get
Subt
arget().getInstrInfo()))
totalWeight *= 0.5F;
totalWeight *= 0.5F;
- li.weight = normalize(totalWeight, li.getSize());
+ li.weight = normalize(totalWeight, li.getSize()
, numInstr
);
}
}