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[C++11] Replace some comparisons with 'nullptr' with simple boolean checks to reduce verbosity.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205829 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper
2014-04-09 04:20:00 +00:00
parent e4d89ec8de
commit 725011e72f
19 changed files with 41 additions and 43 deletions
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6
lib/Support/StringMap.cpp
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@@ -70,7 +70,7 @@ unsigned StringMapImpl::LookupBucketFor(StringRef Name) {
while (1) {
StringMapEntryBase *BucketItem = TheTable[BucketNo];
// If we found an empty bucket, this key isn't in the table yet, return it.
if (LLVM_LIKELY(BucketItem == nullptr)) {
if (LLVM_LIKELY(!BucketItem)) {
// If we found a tombstone, we want to reuse the tombstone instead of an
// empty bucket. This reduces probing.
if (FirstTombstone != -1) {
@@ -124,7 +124,7 @@ int StringMapImpl::FindKey(StringRef Key) const {
while (1) {
StringMapEntryBase *BucketItem = TheTable[BucketNo];
// If we found an empty bucket, this key isn't in the table yet, return.
if (LLVM_LIKELY(BucketItem == nullptr))
if (LLVM_LIKELY(!BucketItem))
return -1;
if (BucketItem == getTombstoneVal()) {
@@ -212,7 +212,7 @@ void StringMapImpl::RehashTable() {
// Fast case, bucket available.
unsigned FullHash = HashTable[I];
unsigned NewBucket = FullHash & (NewSize-1);
if (NewTableArray[NewBucket] == nullptr) {
if (!NewTableArray[NewBucket]) {
NewTableArray[FullHash & (NewSize-1)] = Bucket;
NewHashArray[FullHash & (NewSize-1)] = FullHash;
continue;