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[LoopInterchange] Tidy up and remove unnecessary dyn_casts. NFC. 

llvm-svn: 281328
This commit is contained in:
Chad Rosier 2016-09-13 12:56:04 +00:00
parent 043d613791
commit 09c1109b12
1 changed files with 12 additions and 13 deletions
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25
llvm/lib/Transforms/Scalar/LoopInterchange.cpp
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@ -87,18 +87,17 @@ static bool populateDependencyMatrix(CharMatrix &DepMatrix, unsigned Level,
// Scan the BB and collect legal loads and stores.
for (BasicBlock::iterator I = (*BB)->begin(), E = (*BB)->end(); I != E;
++I) {
Instruction *Ins = dyn_cast<Instruction>(I);
if (!Ins)
if (!isa<Instruction>(I))
return false;
LoadInst *Ld = dyn_cast<LoadInst>(I);
StoreInst *St = dyn_cast<StoreInst>(I);
if (!St && !Ld)
continue;
if (Ld && !Ld->isSimple())
return false;
if (St && !St->isSimple())
return false;
MemInstr.push_back(&*I);
if (LoadInst *Ld = dyn_cast<LoadInst>(I)) {
if (!Ld->isSimple())
return false;
MemInstr.push_back(&*I);
} else if (StoreInst *St = dyn_cast<StoreInst>(I)) {
if (!St->isSimple())
return false;
MemInstr.push_back(&*I);
}
}
}
@ -110,8 +109,8 @@ static bool populateDependencyMatrix(CharMatrix &DepMatrix, unsigned Level,
for (I = MemInstr.begin(), IE = MemInstr.end(); I != IE; ++I) {
for (J = I, JE = MemInstr.end(); J != JE; ++J) {
std::vector<char> Dep;
Instruction *Src = dyn_cast<Instruction>(*I);
Instruction *Dst = dyn_cast<Instruction>(*J);
Instruction *Src = cast<Instruction>(*I);
Instruction *Dst = cast<Instruction>(*J);
if (Src == Dst)
continue;
if (isa<LoadInst>(Src) && isa<LoadInst>(Dst))