Fix namespaces on a few pass factory functions.

--

PiperOrigin-RevId: 246035278

mlir/lib/FxpMathOps/Transforms/LowerUniformRealMath.cpp

@@ -386,7 +386,7 @@ void LowerUniformRealMathPass::runOnFunction() {
   applyPatternsGreedily(fn, std::move(patterns));
 }
 
-FunctionPassBase *createLowerUniformRealMathPass() {
+FunctionPassBase *mlir::fxpmath::createLowerUniformRealMathPass() {
   return new LowerUniformRealMathPass();
 }
 
@@ -406,7 +406,7 @@ void LowerUniformCastsPass::runOnFunction() {
   applyPatternsGreedily(fn, std::move(patterns));
 }
 
-FunctionPassBase *createLowerUniformCastsPass() {
+FunctionPassBase *mlir::fxpmath::createLowerUniformCastsPass() {
   return new LowerUniformCastsPass();
 }
 

mlir/lib/Quantization/Transforms/ConvertConst.cpp

@@ -126,7 +126,9 @@ void ConvertConstPass::runOnFunction() {
   applyPatternsGreedily(func, std::move(patterns));
 }
 
-FunctionPassBase *createConvertConstPass() { return new ConvertConstPass(); }
+FunctionPassBase *mlir::quant::createConvertConstPass() {
+  return new ConvertConstPass();
+}
 
 static PassRegistration<ConvertConstPass>
     pass("quant-convert-const",

mlir/lib/Quantization/Transforms/ConvertSimQuant.cpp

@@ -104,7 +104,7 @@ void ConvertSimulatedQuantPass::runOnFunction() {
     signalPassFailure();
 }
 
-FunctionPassBase *createConvertSimulatedQuantPass() {
+FunctionPassBase *mlir::quant::createConvertSimulatedQuantPass() {
   return new ConvertSimulatedQuantPass();
 }