Skip to content

[MLIR] Fix dangling llvm::function_ref references #114950

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 2 commits into from
Nov 5, 2024

Conversation

hokein
Copy link
Collaborator

@hokein hokein commented Nov 5, 2024

No description provided.

@hokein hokein requested a review from joker-eph November 5, 2024 08:17
@llvmbot llvmbot added mlir mlir:bufferization Bufferization infrastructure mlir:scf labels Nov 5, 2024
@llvmbot
Copy link
Member

llvmbot commented Nov 5, 2024

@llvm/pr-subscribers-mlir
@llvm/pr-subscribers-mlir-scf

@llvm/pr-subscribers-mlir-bufferization

Author: Haojian Wu (hokein)

Changes

Full diff: https://github.com/llvm/llvm-project/pull/114950.diff

3 Files Affected:

  • (modified) mlir/include/mlir/Dialect/Bufferization/Transforms/Passes.h (+1-1)
  • (modified) mlir/lib/Dialect/SCF/IR/SCF.cpp (+5-6)
  • (modified) mlir/lib/Interfaces/Utils/InferIntRangeCommon.cpp (+5-5)
diff --git a/mlir/include/mlir/Dialect/Bufferization/Transforms/Passes.h b/mlir/include/mlir/Dialect/Bufferization/Transforms/Passes.h
index 72abb5b3f1f94e..ab9a48f3473c27 100644
--- a/mlir/include/mlir/Dialect/Bufferization/Transforms/Passes.h
+++ b/mlir/include/mlir/Dialect/Bufferization/Transforms/Passes.h
@@ -163,7 +163,7 @@ struct BufferResultsToOutParamsOpts {
 
   // Filter function; returns true if the function should be converted.
   // Defaults to true, i.e. all functions are converted.
-  llvm::function_ref<bool(func::FuncOp *)> filterFn = [](func::FuncOp *func) {
+  std::function<bool(func::FuncOp *)> filterFn = [](func::FuncOp *func) {
     return true;
   };
 
diff --git a/mlir/lib/Dialect/SCF/IR/SCF.cpp b/mlir/lib/Dialect/SCF/IR/SCF.cpp
index 6678878215c11f..a07593be2fc5eb 100644
--- a/mlir/lib/Dialect/SCF/IR/SCF.cpp
+++ b/mlir/lib/Dialect/SCF/IR/SCF.cpp
@@ -1084,13 +1084,12 @@ struct ForOpTensorCastFolder : public OpRewritePattern<ForOp> {
         continue;
 
       // Create a new ForOp with that iter operand replaced.
-      ValueTypeCastFnTy castFn = [](OpBuilder &b, Location loc, Type type,
-                                    Value source) {
-        return b.create<tensor::CastOp>(loc, type, source);
-      };
       rewriter.replaceOp(
-          op, replaceAndCastForOpIterArg(rewriter, op, iterOpOperand,
-                                         incomingCast.getSource(), castFn));
+          op, replaceAndCastForOpIterArg(
+                  rewriter, op, iterOpOperand, incomingCast.getSource(),
+                  [](OpBuilder &b, Location loc, Type type, Value source) {
+                    return b.create<tensor::CastOp>(loc, type, source);
+                  }));
       return success();
     }
     return failure();
diff --git a/mlir/lib/Interfaces/Utils/InferIntRangeCommon.cpp b/mlir/lib/Interfaces/Utils/InferIntRangeCommon.cpp
index a2acf3e732adab..0639a1087a4a4f 100644
--- a/mlir/lib/Interfaces/Utils/InferIntRangeCommon.cpp
+++ b/mlir/lib/Interfaces/Utils/InferIntRangeCommon.cpp
@@ -319,7 +319,7 @@ ConstantIntRanges
 mlir::intrange::inferCeilDivU(ArrayRef<ConstantIntRanges> argRanges) {
   const ConstantIntRanges &lhs = argRanges[0], &rhs = argRanges[1];
 
-  DivisionFixupFn ceilDivUIFix =
+  auto ceilDivUIFix =
       [](const APInt &lhs, const APInt &rhs,
          const APInt &result) -> std::optional<APInt> {
     if (!lhs.urem(rhs).isZero()) {
@@ -368,7 +368,7 @@ ConstantIntRanges
 mlir::intrange::inferCeilDivS(ArrayRef<ConstantIntRanges> argRanges) {
   const ConstantIntRanges &lhs = argRanges[0], &rhs = argRanges[1];
 
-  DivisionFixupFn ceilDivSIFix =
+  auto ceilDivSIFix =
       [](const APInt &lhs, const APInt &rhs,
          const APInt &result) -> std::optional<APInt> {
     if (!lhs.srem(rhs).isZero() && lhs.isNonNegative() == rhs.isNonNegative()) {
@@ -386,7 +386,7 @@ ConstantIntRanges
 mlir::intrange::inferFloorDivS(ArrayRef<ConstantIntRanges> argRanges) {
   const ConstantIntRanges &lhs = argRanges[0], &rhs = argRanges[1];
 
-  DivisionFixupFn floorDivSIFix =
+  auto floorDivSIFix =
       [](const APInt &lhs, const APInt &rhs,
          const APInt &result) -> std::optional<APInt> {
     if (!lhs.srem(rhs).isZero() && lhs.isNonNegative() != rhs.isNonNegative()) {
@@ -603,7 +603,7 @@ ConstantIntRanges
 mlir::intrange::inferShrS(ArrayRef<ConstantIntRanges> argRanges) {
   const ConstantIntRanges &lhs = argRanges[0], &rhs = argRanges[1];
 
-  ConstArithFn ashr = [](const APInt &l,
+  auto ashr = [](const APInt &l,
                          const APInt &r) -> std::optional<APInt> {
     return r.uge(r.getBitWidth()) ? std::optional<APInt>() : l.ashr(r);
   };
@@ -616,7 +616,7 @@ ConstantIntRanges
 mlir::intrange::inferShrU(ArrayRef<ConstantIntRanges> argRanges) {
   const ConstantIntRanges &lhs = argRanges[0], &rhs = argRanges[1];
 
-  ConstArithFn lshr = [](const APInt &l,
+  auto lshr = [](const APInt &l,
                          const APInt &r) -> std::optional<APInt> {
     return r.uge(r.getBitWidth()) ? std::optional<APInt>() : l.lshr(r);
   };

Copy link

github-actions bot commented Nov 5, 2024

✅ With the latest revision this PR passed the C/C++ code formatter.

@joker-eph
Copy link
Collaborator

Thanks for the fixes! Please just run git clang-format on the diff.

@hokein hokein merged commit 4a88b90 into llvm:main Nov 5, 2024
4 of 5 checks passed
@hokein hokein deleted the function-ref-dangling-mlir branch November 5, 2024 16:34
PhilippRados pushed a commit to PhilippRados/llvm-project that referenced this pull request Nov 6, 2024
hokein added a commit that referenced this pull request Nov 7, 2024
This helps catch dangling llvm::function_ref references, see #114950,
#114949, #114808, #114789
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
mlir:bufferization Bufferization infrastructure mlir:scf mlir
Projects
None yet
Development

Successfully merging this pull request may close these issues.

3 participants