1 //===- StripDebugInfo.cpp - Pass to strip debug information ---------------===//
2 //
3 // Part of the MLIR Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "mlir/IR/Function.h"
10 #include "mlir/IR/Operation.h"
11 #include "mlir/Pass/Pass.h"
12 #include "mlir/Transforms/Passes.h"
13 
14 using namespace mlir;
15 
16 namespace {
17 struct StripDebugInfo : public FunctionPass<StripDebugInfo> {
18   void runOnFunction() override;
19 };
20 } // end anonymous namespace
21 
22 void StripDebugInfo::runOnFunction() {
23   FuncOp func = getFunction();
24   auto unknownLoc = UnknownLoc::get(&getContext());
25 
26   // Strip the debug info from the function and its operations.
27   func.setLoc(unknownLoc);
28   func.walk([&](Operation *op) { op->setLoc(unknownLoc); });
29 }
30 
31 /// Creates a pass to strip debug information from a function.
32 std::unique_ptr<OpPassBase<FuncOp>> mlir::createStripDebugInfoPass() {
33   return std::make_unique<StripDebugInfo>();
34 }
35 
36 static PassRegistration<StripDebugInfo>
37     pass("strip-debuginfo", "Strip debug info from functions and operations");
38