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authorAndrew Trick <atrick@apple.com>2012-02-08 21:22:43 +0000
committerAndrew Trick <atrick@apple.com>2012-02-08 21:22:43 +0000
commit1df91b0e54bc62f8fc7a06a4f75220e40aa2dfe0 (patch)
tree86b8e3977706898a8080293eaddde7c21162c7fd /lib/CodeGen/StackSlotColoring.cpp
parentffea03f2165c5a4fda672495bf853aa2d8c7d1b5 (diff)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150094 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/StackSlotColoring.cpp')
-rw-r--r--lib/CodeGen/StackSlotColoring.cpp20
1 files changed, 10 insertions, 10 deletions
diff --git a/lib/CodeGen/StackSlotColoring.cpp b/lib/CodeGen/StackSlotColoring.cpp
index ae3fa2a..9e84f3c 100644
--- a/lib/CodeGen/StackSlotColoring.cpp
+++ b/lib/CodeGen/StackSlotColoring.cpp
@@ -90,14 +90,14 @@ namespace {
MachineFunctionPass(ID), ColorWithRegs(RegColor), NextColor(-1) {
initializeStackSlotColoringPass(*PassRegistry::getPassRegistry());
}
-
+
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesCFG();
AU.addRequired<SlotIndexes>();
AU.addPreserved<SlotIndexes>();
AU.addRequired<LiveStacks>();
AU.addRequired<VirtRegMap>();
- AU.addPreserved<VirtRegMap>();
+ AU.addPreserved<VirtRegMap>();
AU.addRequired<MachineLoopInfo>();
AU.addPreserved<MachineLoopInfo>();
AU.addPreservedID(MachineDominatorsID);
@@ -372,33 +372,33 @@ bool StackSlotColoring::RemoveDeadStores(MachineBasicBlock* MBB) {
I != E; ++I) {
if (DCELimit != -1 && (int)NumDead >= DCELimit)
break;
-
+
MachineBasicBlock::iterator NextMI = llvm::next(I);
if (NextMI == MBB->end()) continue;
-
+
int FirstSS, SecondSS;
unsigned LoadReg = 0;
unsigned StoreReg = 0;
if (!(LoadReg = TII->isLoadFromStackSlot(I, FirstSS))) continue;
if (!(StoreReg = TII->isStoreToStackSlot(NextMI, SecondSS))) continue;
if (FirstSS != SecondSS || LoadReg != StoreReg || FirstSS == -1) continue;
-
+
++NumDead;
changed = true;
-
+
if (NextMI->findRegisterUseOperandIdx(LoadReg, true, 0) != -1) {
++NumDead;
toErase.push_back(I);
}
-
+
toErase.push_back(NextMI);
++I;
}
-
+
for (SmallVector<MachineInstr*, 4>::iterator I = toErase.begin(),
E = toErase.end(); I != E; ++I)
(*I)->eraseFromParent();
-
+
return changed;
}
@@ -406,7 +406,7 @@ bool StackSlotColoring::RemoveDeadStores(MachineBasicBlock* MBB) {
bool StackSlotColoring::runOnMachineFunction(MachineFunction &MF) {
DEBUG({
dbgs() << "********** Stack Slot Coloring **********\n"
- << "********** Function: "
+ << "********** Function: "
<< MF.getFunction()->getName() << '\n';
});