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Use range for loops in PlaceSafepoints (NFC)

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228620 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Philip Reames 2015-02-09 22:26:11 +00:00
parent a30b342b77
commit 2b9d3c4186
1 changed files with 4 additions and 8 deletions
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12
lib/Transforms/Scalar/PlaceSafepoints.cpp
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@ -297,8 +297,7 @@ static void scanOneBB(Instruction *start, Instruction *end,
// without encountering end first
if (itr->isTerminator()) {
BasicBlock *BB = itr->getParent();
for (succ_iterator PI = succ_begin(BB), E = succ_end(BB); PI != E; ++PI) {
BasicBlock *Succ = *PI;
for (BasicBlock *Succ : successors(BB)) {
if (seen.count(Succ) == 0) {
worklist.push_back(Succ);
seen.insert(Succ);
@ -336,9 +335,7 @@ bool PlaceBackedgeSafepointsImpl::runOnLoop(Loop *L, LPPassManager &LPM) {
DT.recalculate(*header->getParent());
bool modified = false;
for (pred_iterator PI = pred_begin(header), E = pred_end(header); PI != E;
PI++) {
BasicBlock *pred = *PI;
for (BasicBlock *pred : predecessors(header)) {
if (!L->contains(pred)) {
// This is not a backedge, it's coming from outside the loop
continue;
@ -470,9 +467,8 @@ static Instruction *findLocationForEntrySafepoint(Function &F,
static void findCallSafepoints(Function &F,
std::vector<CallSite> &Found /*rval*/) {
assert(Found.empty() && "must be empty!");
for (inst_iterator itr = inst_begin(F), end = inst_end(F); itr != end;
itr++) {
Instruction *inst = &*itr;
for (Instruction &I : inst_range(F)) {
Instruction *inst = &I;
if (isa<CallInst>(inst) || isa<InvokeInst>(inst)) {
CallSite CS(inst);