llvm-project/mlir/test/Transforms/test-operation-folder-commutative.mlir
Mehdi Amini 43f0d5f934 Add a test case for applyPatternsAndFoldGreedily to support the revert of 59bbc7a08
This shows that pushing constant to the right in a commutative op leads
to `applyPatternsAndFoldGreedily` to converge without applying all the
patterns.

Differential Revision: https://reviews.llvm.org/D122870
2022-04-01 06:17:07 +00:00

12 lines
446 B
MLIR

// RUN: mlir-opt --pass-pipeline="func.func(test-patterns)" %s | FileCheck %s
// CHECK-LABEL: func @test_reorder_constants_and_match
func @test_reorder_constants_and_match(%arg0 : i32) -> (i32) {
// CHECK: %[[CST:.+]] = arith.constant 43
%cst = arith.constant 43 : i32
// CHECK: return %[[CST]]
%y = "test.op_commutative2"(%cst, %arg0) : (i32, i32) -> i32
%x = "test.op_commutative2"(%y, %arg0) : (i32, i32) -> i32
return %x : i32
}