Remove redundant boolean checks

Author: pi1024e

lib/Parse/ParseDecl.cpp

@@ -644,7 +644,7 @@ bool Parser::parseSpecializeAttributeArguments(
           return false;
         }
         if (ParamLabel == "exported") {
-          Exported = isTrue ? true : false;
+          Exported = isTrue;
         }
       }
       if (ParamLabel == "kind") {

lib/SILOptimizer/Transforms/DeadStoreElimination.cpp

@@ -1201,7 +1201,7 @@ bool DSEContext::run() {
     return false;
 
   // Do we run a pessimistic data flow ?
-  bool Optimistic = Kind == ProcessKind::ProcessOptimistic ? true : false;
+  const bool Optimistic = (Kind == ProcessKind::ProcessOptimistic);
 
   // For all basic blocks in the function, initialize a BB state.
   //

lib/SILOptimizer/Transforms/RedundantLoadElimination.cpp

@@ -1563,8 +1563,7 @@ bool RLEContext::run() {
     return false;
 
   // Do we run a multi-iteration data flow ?
-  bool Optimistic = Kind == ProcessKind::ProcessMultipleIterations ?
-                        true : false;
+  const bool Optimistic = (Kind == ProcessKind::ProcessMultipleIterations);
 
   // These are a list of basic blocks that we actually processed.
   // We do not process unreachable block, instead we set their liveouts to nil.

lib/SILOptimizer/Utils/OptimizerStatsUtils.cpp

@@ -648,7 +648,7 @@ bool isMatchingFunction(SILFunction *F, bool shouldHaveNamePattern = false) {
     return FuncName.contains(StatsOnlyFunctionsNamePattern);
   }
 
-  return shouldHaveNamePattern ? true : false;
+  return shouldHaveNamePattern;
 }
 
 /// Compute the delta between the old and new values.