[llvm] r174791 - Remove trailing spaces.
Jakub Staszak
kubastaszak at gmail.com
Fri Feb 8 17:19:12 PST 2013
Author: kuba
Date: Fri Feb 8 19:19:12 2013
New Revision: 174791
URL: http://llvm.org/viewvc/llvm-project?rev=174791&view=rev
Log:
Remove trailing spaces.
Modified:
llvm/trunk/include/llvm/Analysis/MemoryDependenceAnalysis.h
Modified: llvm/trunk/include/llvm/Analysis/MemoryDependenceAnalysis.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Analysis/MemoryDependenceAnalysis.h?rev=174791&r1=174790&r2=174791&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Analysis/MemoryDependenceAnalysis.h (original)
+++ llvm/trunk/include/llvm/Analysis/MemoryDependenceAnalysis.h Fri Feb 8 19:19:12 2013
@@ -34,14 +34,14 @@ namespace llvm {
class PredIteratorCache;
class DominatorTree;
class PHITransAddr;
-
+
/// MemDepResult - A memory dependence query can return one of three different
/// answers, described below.
class MemDepResult {
enum DepType {
/// Invalid - Clients of MemDep never see this.
Invalid = 0,
-
+
/// Clobber - This is a dependence on the specified instruction which
/// clobbers the desired value. The pointer member of the MemDepResult
/// pair holds the instruction that clobbers the memory. For example,
@@ -72,7 +72,7 @@ namespace llvm {
/// and no intervening clobbers. No validation is done that the
/// operands to the calls are the same.
Def,
-
+
/// Other - This marker indicates that the query has no known dependency
/// in the specified block. More detailed state info is encoded in the
/// upper part of the pair (i.e. the Instruction*)
@@ -99,7 +99,7 @@ namespace llvm {
explicit MemDepResult(PairTy V) : Value(V) {}
public:
MemDepResult() : Value(0, Invalid) {}
-
+
/// get methods: These are static ctor methods for creating various
/// MemDepResult kinds.
static MemDepResult getDef(Instruction *Inst) {
@@ -130,7 +130,7 @@ namespace llvm {
/// isDef - Return true if this MemDepResult represents a query that is
/// an instruction definition dependency.
bool isDef() const { return Value.getInt() == Def; }
-
+
/// isNonLocal - Return true if this MemDepResult represents a query that
/// is transparent to the start of the block, but where a non-local hasn't
/// been done.
@@ -145,7 +145,7 @@ namespace llvm {
return Value.getInt() == Other
&& Value.getPointer() == reinterpret_cast<Instruction*>(NonFuncLocal);
}
-
+
/// isUnknown - Return true if this MemDepResult represents a query which
/// cannot and/or will not be computed.
bool isUnknown() const {
@@ -159,7 +159,7 @@ namespace llvm {
if (Value.getInt() == Other) return NULL;
return Value.getPointer();
}
-
+
bool operator==(const MemDepResult &M) const { return Value == M.Value; }
bool operator!=(const MemDepResult &M) const { return Value != M.Value; }
bool operator<(const MemDepResult &M) const { return Value < M.Value; }
@@ -175,11 +175,11 @@ namespace llvm {
/// In a default-constructed MemDepResult object, the type will be Dirty
/// and the instruction pointer will be null.
///
-
+
/// isDirty - Return true if this is a MemDepResult in its dirty/invalid.
/// state.
bool isDirty() const { return Value.getInt() == Invalid; }
-
+
static MemDepResult getDirty(Instruction *Inst) {
return MemDepResult(PairTy(Inst, Invalid));
}
@@ -199,16 +199,16 @@ namespace llvm {
// BB is the sort key, it can't be changed.
BasicBlock *getBB() const { return BB; }
-
+
void setResult(const MemDepResult &R) { Result = R; }
const MemDepResult &getResult() const { return Result; }
-
+
bool operator<(const NonLocalDepEntry &RHS) const {
return BB < RHS.BB;
}
};
-
+
/// NonLocalDepResult - This is a result from a NonLocal dependence query.
/// For each BasicBlock (the BB entry) it keeps a MemDepResult and the
/// (potentially phi translated) address that was live in the block.
@@ -218,17 +218,17 @@ namespace llvm {
public:
NonLocalDepResult(BasicBlock *bb, MemDepResult result, Value *address)
: Entry(bb, result), Address(address) {}
-
+
// BB is the sort key, it can't be changed.
BasicBlock *getBB() const { return Entry.getBB(); }
-
+
void setResult(const MemDepResult &R, Value *Addr) {
Entry.setResult(R);
Address = Addr;
}
-
+
const MemDepResult &getResult() const { return Entry.getResult(); }
-
+
/// getAddress - Return the address of this pointer in this block. This can
/// be different than the address queried for the non-local result because
/// of phi translation. This returns null if the address was not available
@@ -238,7 +238,7 @@ namespace llvm {
/// The address is always null for a non-local 'call' dependence.
Value *getAddress() const { return Address; }
};
-
+
/// MemoryDependenceAnalysis - This is an analysis that determines, for a
/// given memory operation, what preceding memory operations it depends on.
/// It builds on alias analysis information, and tries to provide a lazy,
@@ -297,30 +297,30 @@ namespace llvm {
CachedNonLocalPointerInfo NonLocalPointerDeps;
// A map from instructions to their non-local pointer dependencies.
- typedef DenseMap<Instruction*,
+ typedef DenseMap<Instruction*,
SmallPtrSet<ValueIsLoadPair, 4> > ReverseNonLocalPtrDepTy;
ReverseNonLocalPtrDepTy ReverseNonLocalPtrDeps;
-
+
/// PerInstNLInfo - This is the instruction we keep for each cached access
/// that we have for an instruction. The pointer is an owning pointer and
/// the bool indicates whether we have any dirty bits in the set.
typedef std::pair<NonLocalDepInfo, bool> PerInstNLInfo;
-
+
// A map from instructions to their non-local dependencies.
typedef DenseMap<Instruction*, PerInstNLInfo> NonLocalDepMapType;
-
+
NonLocalDepMapType NonLocalDeps;
-
+
// A reverse mapping from dependencies to the dependees. This is
// used when removing instructions to keep the cache coherent.
typedef DenseMap<Instruction*,
SmallPtrSet<Instruction*, 4> > ReverseDepMapType;
ReverseDepMapType ReverseLocalDeps;
-
+
// A reverse mapping from dependencies to the non-local dependees.
ReverseDepMapType ReverseNonLocalDeps;
-
+
/// Current AA implementation, just a cache.
AliasAnalysis *AA;
DataLayout *TD;
@@ -333,15 +333,15 @@ namespace llvm {
/// Pass Implementation stuff. This doesn't do any analysis eagerly.
bool runOnFunction(Function &);
-
+
/// Clean up memory in between runs
void releaseMemory();
-
+
/// getAnalysisUsage - Does not modify anything. It uses Value Numbering
/// and Alias Analysis.
///
virtual void getAnalysisUsage(AnalysisUsage &AU) const;
-
+
/// getDependency - Return the instruction on which a memory operation
/// depends. See the class comment for more details. It is illegal to call
/// this on non-memory instructions.
@@ -360,8 +360,8 @@ namespace llvm {
/// removed. Clients must copy this data if they want it around longer than
/// that.
const NonLocalDepInfo &getNonLocalCallDependency(CallSite QueryCS);
-
-
+
+
/// getNonLocalPointerDependency - Perform a full dependency query for an
/// access to the specified (non-volatile) memory location, returning the
/// set of instructions that either define or clobber the value.
@@ -374,7 +374,7 @@ namespace llvm {
/// removeInstruction - Remove an instruction from the dependence analysis,
/// updating the dependence of instructions that previously depended on it.
void removeInstruction(Instruction *InstToRemove);
-
+
/// invalidateCachedPointerInfo - This method is used to invalidate cached
/// information about the specified pointer, because it may be too
/// conservative in memdep. This is an optional call that can be used when
@@ -387,7 +387,7 @@ namespace llvm {
/// This needs to be done when the CFG changes, e.g., due to splitting
/// critical edges.
void invalidateCachedPredecessors();
-
+
/// getPointerDependencyFrom - Return the instruction on which a memory
/// location depends. If isLoad is true, this routine ignores may-aliases
/// with read-only operations. If isLoad is false, this routine ignores
@@ -396,11 +396,11 @@ namespace llvm {
/// Note that this is an uncached query, and thus may be inefficient.
///
MemDepResult getPointerDependencyFrom(const AliasAnalysis::Location &Loc,
- bool isLoad,
+ bool isLoad,
BasicBlock::iterator ScanIt,
BasicBlock *BB);
-
-
+
+
/// getLoadLoadClobberFullWidthSize - This is a little bit of analysis that
/// looks at a memory location for a load (specified by MemLocBase, Offs,
/// and Size) and compares it against a load. If the specified load could
@@ -413,7 +413,7 @@ namespace llvm {
unsigned MemLocSize,
const LoadInst *LI,
const DataLayout &TD);
-
+
private:
MemDepResult getCallSiteDependencyFrom(CallSite C, bool isReadOnlyCall,
BasicBlock::iterator ScanIt,
@@ -430,11 +430,11 @@ namespace llvm {
unsigned NumSortedEntries);
void RemoveCachedNonLocalPointerDependencies(ValueIsLoadPair P);
-
+
/// verifyRemoved - Verify that the specified instruction does not occur
/// in our internal data structures.
void verifyRemoved(Instruction *Inst) const;
-
+
};
} // End llvm namespace
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