[mlir][SparseTensor] Simplify pipeline #152908
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matthias-springer
requested review from
aartbik,
PeimingLiu and
yinying-lisa-li
as code owners
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@llvm/pr-subscribers-mlir @llvm/pr-subscribers-mlir-sparse Author: Matthias Springer (matthias-springer) ChangesThis refactoring improves compilation time. Full diff: https://github.com/llvm/llvm-project/pull/152908.diff 1 Files Affected:
diff --git a/mlir/lib/Dialect/SparseTensor/Pipelines/SparseTensorPipelines.cpp b/mlir/lib/Dialect/SparseTensor/Pipelines/SparseTensorPipelines.cpp
index 3b97786e58155..dabbea1bdec63 100644
--- a/mlir/lib/Dialect/SparseTensor/Pipelines/SparseTensorPipelines.cpp
+++ b/mlir/lib/Dialect/SparseTensor/Pipelines/SparseTensorPipelines.cpp
@@ -71,7 +71,6 @@ void mlir::sparse_tensor::buildSparsifier(OpPassManager &pm,
pm.addPass(createLowerAffinePass());
pm.addPass(
createConvertVectorToLLVMPass(options.convertVectorToLLVMOptions()));
- pm.addPass(createFinalizeMemRefToLLVMConversionPass());
pm.addNestedPass<func::FuncOp>(createConvertComplexToStandardPass());
pm.addNestedPass<func::FuncOp>(arith::createArithExpandOpsPass());
pm.addNestedPass<func::FuncOp>(createConvertMathToLLVMPass());
@@ -79,12 +78,6 @@ void mlir::sparse_tensor::buildSparsifier(OpPassManager &pm,
pm.addPass(createConvertComplexToLibm());
pm.addPass(
createConvertVectorToLLVMPass(options.convertVectorToLLVMOptions()));
- pm.addPass(createConvertComplexToLLVMPass());
- pm.addPass(
- createConvertVectorToLLVMPass(options.convertVectorToLLVMOptions()));
- pm.addPass(createConvertFuncToLLVMPass());
- pm.addPass(createArithToLLVMConversionPass());
- pm.addPass(createConvertControlFlowToLLVMPass());
// Finalize GPU code generation.
if (gpuCodegen) {
@@ -99,8 +92,8 @@ void mlir::sparse_tensor::buildSparsifier(OpPassManager &pm,
pm.addPass(createGpuModuleToBinaryPass(gpuModuleToBinaryPassOptions));
}
- // Convert poison values.
- pm.addPass(createUBToLLVMConversionPass());
+ // Convert to LLVM.
+ pm.addPass(createConvertToLLVMPass());
// Ensure all casts are realized.
pm.addPass(createReconcileUnrealizedCastsPass());
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aartbik
approved these changes
Aug 11, 2025
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This refactoring improves compilation time.