[NFC][LLVM] Namespace cleanup in SpeculativeExecution.cpp

Author: jurahul

llvm/lib/Transforms/Scalar/SpeculativeExecution.cpp

@@ -149,8 +149,6 @@ bool SpeculativeExecutionLegacyPass::runOnFunction(Function &F) {
   return Impl.runImpl(F, TTI);
 }
 
-namespace llvm {
-
 bool SpeculativeExecutionPass::runImpl(Function &F, TargetTransformInfo *TTI) {
   if (OnlyIfDivergentTarget && !TTI->hasBranchDivergence(&F)) {
     LLVM_DEBUG(dbgs() << "Not running SpeculativeExecution because "
@@ -328,11 +326,11 @@ bool SpeculativeExecutionPass::considerHoistingFromTo(
   return true;
 }
 
-FunctionPass *createSpeculativeExecutionPass() {
+FunctionPass *llvm::createSpeculativeExecutionPass() {
   return new SpeculativeExecutionLegacyPass();
 }
 
-FunctionPass *createSpeculativeExecutionIfHasBranchDivergencePass() {
+FunctionPass *llvm::createSpeculativeExecutionIfHasBranchDivergencePass() {
   return new SpeculativeExecutionLegacyPass(/* OnlyIfDivergentTarget = */ true);
 }
 
@@ -362,4 +360,3 @@ void SpeculativeExecutionPass::printPipeline(
     OS << "only-if-divergent-target";
   OS << '>';
 }
-}  // namespace llvm