[ADT][NFC] Constexpr-ify if in DenseMap::clear (#108243)

marcauberer · web-flow · commit c3d39cbb9a5e · 2024-09-11T20:55:03.000+02:00
Make if constexpr due to constexpr condition.
diff --git a/llvm/include/llvm/ADT/DenseMap.h b/llvm/include/llvm/ADT/DenseMap.h
@@ -120,7 +120,7 @@ class DenseMapBase : public DebugEpochBase {
     }
 
     const KeyT EmptyKey = getEmptyKey();
-    if (std::is_trivially_destructible<ValueT>::value) {
+    if constexpr (std::is_trivially_destructible_v<ValueT>) {
       // Use a simpler loop when values don't need destruction.
       for (BucketT *P = getBuckets(), *E = getBucketsEnd(); P != E; ++P)
         P->getFirst() = EmptyKey;

Original file line number	Diff line number	Diff line change
`@@ -120,7 +120,7 @@ class DenseMapBase : public DebugEpochBase {`
`120`	`120`	`}`
`121`	`121`
`122`	`122`	`const KeyT EmptyKey = getEmptyKey();`
`123`		`- if (std::is_trivially_destructible<ValueT>::value) {`
	`123`	`+ if constexpr (std::is_trivially_destructible_v<ValueT>) {`
`124`	`124`	`// Use a simpler loop when values don't need destruction.`
`125`	`125`	`for (BucketT P = getBuckets(), E = getBucketsEnd(); P != E; ++P)`
`126`	`126`	`P->getFirst() = EmptyKey;`