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[SROA] More range-based cleanups to SROA, these brought to you by

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clang-modernize.

I did have to clean up the variable types and whitespace a bit because
the use of auto made the code much less readable here.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219962 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chandler Carruth 2014-10-16 21:05:14 +00:00
parent 5269b24da1
commit c62c42b1e4
1 changed files with 12 additions and 25 deletions
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37
lib/Transforms/Scalar/SROA.cpp
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@ -854,17 +854,12 @@ public:
}
void updateDebugInfo(Instruction *Inst) const override {
for (SmallVectorImpl<DbgDeclareInst *>::const_iterator I = DDIs.begin(),
E = DDIs.end(); I != E; ++I) {
DbgDeclareInst *DDI = *I;
for (DbgDeclareInst *DDI : DDIs)
if (StoreInst *SI = dyn_cast<StoreInst>(Inst))
ConvertDebugDeclareToDebugValue(DDI, SI, DIB);
else if (LoadInst *LI = dyn_cast<LoadInst>(Inst))
ConvertDebugDeclareToDebugValue(DDI, LI, DIB);
}
for (SmallVectorImpl<DbgValueInst *>::const_iterator I = DVIs.begin(),
E = DVIs.end(); I != E; ++I) {
DbgValueInst *DVI = *I;
for (DbgValueInst *DVI : DVIs) {
Value *Arg = nullptr;
if (StoreInst *SI = dyn_cast<StoreInst>(Inst)) {
// If an argument is zero extended then use argument directly. The ZExt
@ -3184,12 +3179,10 @@ bool SROA::rewritePartition(AllocaInst &AI, AllocaSlices &S,
EndOffset, IsVectorPromotable,
IsIntegerPromotable, PHIUsers, SelectUsers);
bool Promotable = true;
for (ArrayRef<AllocaSlices::iterator>::const_iterator SUI = SplitUses.begin(),
SUE = SplitUses.end();
SUI != SUE; ++SUI) {
for (auto & SplitUse : SplitUses) {
DEBUG(dbgs() << " rewriting split ");
DEBUG(S.printSlice(dbgs(), *SUI, ""));
Promotable &= Rewriter.visit(*SUI);
DEBUG(S.printSlice(dbgs(), SplitUse, ""));
Promotable &= Rewriter.visit(SplitUse);
++NumUses;
}
for (AllocaSlices::iterator I = B; I != E; ++I) {
@ -3232,14 +3225,10 @@ bool SROA::rewritePartition(AllocaInst &AI, AllocaSlices &S,
// If we have either PHIs or Selects to speculate, add them to those
// worklists and re-queue the new alloca so that we promote in on the
// next iteration.
for (SmallPtrSetImpl<PHINode *>::iterator I = PHIUsers.begin(),
E = PHIUsers.end();
I != E; ++I)
SpeculatablePHIs.insert(*I);
for (SmallPtrSetImpl<SelectInst *>::iterator I = SelectUsers.begin(),
E = SelectUsers.end();
I != E; ++I)
SpeculatableSelects.insert(*I);
for (PHINode *PHIUser : PHIUsers)
SpeculatablePHIs.insert(PHIUser);
for (SelectInst *SelectUser : SelectUsers)
SpeculatableSelects.insert(SelectUser);
Worklist.insert(NewAI);
}
} else {
@ -3277,11 +3266,9 @@ removeFinishedSplitUses(SmallVectorImpl<AllocaSlices::iterator> &SplitUses,
// Recompute the max. While this is linear, so is remove_if.
MaxSplitUseEndOffset = 0;
for (SmallVectorImpl<AllocaSlices::iterator>::iterator
SUI = SplitUses.begin(),
SUE = SplitUses.end();
SUI != SUE; ++SUI)
MaxSplitUseEndOffset = std::max((*SUI)->endOffset(), MaxSplitUseEndOffset);
for (AllocaSlices::iterator SplitUse : SplitUses)
MaxSplitUseEndOffset =
std::max(SplitUse->endOffset(), MaxSplitUseEndOffset);
}
/// \brief Walks the slices of an alloca and form partitions based on them,