forked from OSchip/llvm-project
65 lines
2.4 KiB
MLIR
65 lines
2.4 KiB
MLIR
// RUN: mlir-opt %s -pass-pipeline='func(canonicalize)' | FileCheck %s
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// CHECK-LABEL: func @remove_op_with_inner_ops_pattern
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func @remove_op_with_inner_ops_pattern() {
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// CHECK-NEXT: return
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"test.op_with_region_pattern"() ({
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"test.op_with_region_terminator"() : () -> ()
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}) : () -> ()
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return
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}
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// CHECK-LABEL: func @remove_op_with_inner_ops_fold_no_side_effect
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func @remove_op_with_inner_ops_fold_no_side_effect() {
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// CHECK-NEXT: return
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"test.op_with_region_fold_no_side_effect"() ({
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"test.op_with_region_terminator"() : () -> ()
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}) : () -> ()
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return
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}
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// CHECK-LABEL: func @remove_op_with_inner_ops_fold
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// CHECK-SAME: (%[[ARG_0:[a-z0-9]*]]: i32)
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func @remove_op_with_inner_ops_fold(%arg0 : i32) -> (i32) {
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// CHECK-NEXT: return %[[ARG_0]]
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%0 = "test.op_with_region_fold"(%arg0) ({
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"test.op_with_region_terminator"() : () -> ()
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}) : (i32) -> (i32)
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return %0 : i32
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}
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// CHECK-LABEL: func @remove_op_with_variadic_results_and_folder
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// CHECK-SAME: (%[[ARG_0:[a-z0-9]*]]: i32, %[[ARG_1:[a-z0-9]*]]: i32)
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func @remove_op_with_variadic_results_and_folder(%arg0 : i32, %arg1 : i32) -> (i32, i32) {
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// CHECK-NEXT: return %[[ARG_0]], %[[ARG_1]]
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%0, %1 = "test.op_with_variadic_results_and_folder"(%arg0, %arg1) : (i32, i32) -> (i32, i32)
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return %0, %1 : i32, i32
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}
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// CHECK-LABEL: func @test_commutative_multi
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// CHECK-SAME: (%[[ARG_0:[a-z0-9]*]]: i32, %[[ARG_1:[a-z0-9]*]]: i32)
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func @test_commutative_multi(%arg0: i32, %arg1: i32) -> (i32, i32) {
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// CHECK: %[[C42:.*]] = constant 42 : i32
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%c42_i32 = constant 42 : i32
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// CHECK: %[[C43:.*]] = constant 43 : i32
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%c43_i32 = constant 43 : i32
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// CHECK-NEXT: %[[O0:.*]] = "test.op_commutative"(%[[ARG_0]], %[[ARG_1]], %[[C42]], %[[C43]]) : (i32, i32, i32, i32) -> i32
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%y = "test.op_commutative"(%c42_i32, %arg0, %arg1, %c43_i32) : (i32, i32, i32, i32) -> i32
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// CHECK-NEXT: %[[O1:.*]] = "test.op_commutative"(%[[ARG_0]], %[[ARG_1]], %[[C42]], %[[C43]]) : (i32, i32, i32, i32) -> i32
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%z = "test.op_commutative"(%arg0, %c42_i32, %c43_i32, %arg1): (i32, i32, i32, i32) -> i32
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// CHECK-NEXT: return %[[O0]], %[[O1]]
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return %y, %z: i32, i32
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}
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func @typemismatch() -> i32 {
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%c42 = constant 42.0 : f32
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// The "passthrough_fold" folder will naively return its operand, but we don't
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// want to fold here because of the type mismatch.
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// CHECK: "test.passthrough_fold"
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%0 = "test.passthrough_fold"(%c42) : (f32) -> (i32)
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return %0 : i32
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}
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