[llvm] 66875db - [LegalizeTypes] Use SmallDenseMap::count instead of SmallDenseMap::find. NFC

[Craig Topper via llvm-commits]

Author: Craig Topper
Date: 2022-05-21T00:06:55-07:00
New Revision: 66875dbcc0f86e7318063328367f92b205c187e2

URL: https://github.com/llvm/llvm-project/commit/66875dbcc0f86e7318063328367f92b205c187e2
DIFF: https://github.com/llvm/llvm-project/commit/66875dbcc0f86e7318063328367f92b205c187e2.diff

LOG: [LegalizeTypes] Use SmallDenseMap::count instead of SmallDenseMap::find. NFC

It's more readable and more efficient.

Added: 
    

Modified: 
    llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp

Removed: 
    


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diff  --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
index 6159dbc1ec72f..0a439e5dd6287 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
@@ -83,7 +83,7 @@ void DAGTypeLegalizer::PerformExpensiveChecks() {
       auto ResId = ValueToIdMap.lookup(Res);
 
       unsigned Mapped = 0;
-      if (ResId && (ReplacedValues.find(ResId) != ReplacedValues.end())) {
+      if (ResId && ReplacedValues.count(ResId)) {
         Mapped |= 1;
         // Check that remapped values are only used by nodes marked NewNode.
         for (SDNode::use_iterator UI = Node.use_begin(), UE = Node.use_end();
@@ -105,23 +105,23 @@ void DAGTypeLegalizer::PerformExpensiveChecks() {
         assert(NewVal.getNode()->getNodeId() != NewNode &&
                "ReplacedValues maps to a new node!");
       }
-      if (ResId && PromotedIntegers.find(ResId) != PromotedIntegers.end())
+      if (ResId && PromotedIntegers.count(ResId))
         Mapped |= 2;
-      if (ResId && SoftenedFloats.find(ResId) != SoftenedFloats.end())
+      if (ResId && SoftenedFloats.count(ResId))
         Mapped |= 4;
-      if (ResId && ScalarizedVectors.find(ResId) != ScalarizedVectors.end())
+      if (ResId && ScalarizedVectors.count(ResId))
         Mapped |= 8;
-      if (ResId && ExpandedIntegers.find(ResId) != ExpandedIntegers.end())
+      if (ResId && ExpandedIntegers.count(ResId))
         Mapped |= 16;
-      if (ResId && ExpandedFloats.find(ResId) != ExpandedFloats.end())
+      if (ResId && ExpandedFloats.count(ResId))
         Mapped |= 32;
-      if (ResId && SplitVectors.find(ResId) != SplitVectors.end())
+      if (ResId && SplitVectors.count(ResId))
         Mapped |= 64;
-      if (ResId && WidenedVectors.find(ResId) != WidenedVectors.end())
+      if (ResId && WidenedVectors.count(ResId))
         Mapped |= 128;
-      if (ResId && PromotedFloats.find(ResId) != PromotedFloats.end())
+      if (ResId && PromotedFloats.count(ResId))
         Mapped |= 256;
-      if (ResId && SoftPromotedHalfs.find(ResId) != SoftPromotedHalfs.end())
+      if (ResId && SoftPromotedHalfs.count(ResId))
         Mapped |= 512;
 
       if (Node.getNodeId() != Processed) {