Clean whitespaces.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160668 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/ADCE.cpp b/lib/Transforms/Scalar/ADCE.cpp
index ba214d1..b344952 100644
--- a/lib/Transforms/Scalar/ADCE.cpp
+++ b/lib/Transforms/Scalar/ADCE.cpp
@@ -9,7 +9,7 @@
//
// This file implements the Aggressive Dead Code Elimination pass. This pass
// optimistically assumes that all instructions are dead until proven otherwise,
-// allowing it to eliminate dead computations that other DCE passes do not
+// allowing it to eliminate dead computations that other DCE passes do not
// catch, particularly involving loop computations.
//
//===----------------------------------------------------------------------===//
@@ -36,13 +36,13 @@
ADCE() : FunctionPass(ID) {
initializeADCEPass(*PassRegistry::getPassRegistry());
}
-
+
virtual bool runOnFunction(Function& F);
-
+
virtual void getAnalysisUsage(AnalysisUsage& AU) const {
AU.setPreservesCFG();
}
-
+
};
}
@@ -52,7 +52,7 @@
bool ADCE::runOnFunction(Function& F) {
SmallPtrSet<Instruction*, 128> alive;
SmallVector<Instruction*, 128> worklist;
-
+
// Collect the set of "root" instructions that are known live.
for (inst_iterator I = inst_begin(F), E = inst_end(F); I != E; ++I)
if (isa<TerminatorInst>(I.getInstructionIterator()) ||
@@ -62,7 +62,7 @@
alive.insert(I.getInstructionIterator());
worklist.push_back(I.getInstructionIterator());
}
-
+
// Propagate liveness backwards to operands.
while (!worklist.empty()) {
Instruction* curr = worklist.pop_back_val();
@@ -72,7 +72,7 @@
if (alive.insert(Inst))
worklist.push_back(Inst);
}
-
+
// The inverse of the live set is the dead set. These are those instructions
// which have no side effects and do not influence the control flow or return
// value of the function, and may therefore be deleted safely.
@@ -82,7 +82,7 @@
worklist.push_back(I.getInstructionIterator());
I->dropAllReferences();
}
-
+
for (SmallVector<Instruction*, 1024>::iterator I = worklist.begin(),
E = worklist.end(); I != E; ++I) {
++NumRemoved;