slicing-utils.mlir
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// RUN: mlir-opt -allow-unregistered-dialect %s -affine-super-vectorizer-test -forward-slicing=true 2>&1 | FileCheck %s --check-prefix=FWD
// RUN: mlir-opt -allow-unregistered-dialect %s -affine-super-vectorizer-test -backward-slicing=true 2>&1 | FileCheck %s --check-prefix=BWD
// RUN: mlir-opt -allow-unregistered-dialect %s -affine-super-vectorizer-test -slicing=true 2>&1 | FileCheck %s --check-prefix=FWDBWD
/// 1 2 3 4
/// |_______| |______|
/// | | |
/// | 5 6
/// |___|_____________|
/// | |
/// 7 8
/// |_______________|
/// |
/// 9
// FWD-LABEL: slicing_test
// BWD-LABEL: slicing_test
// FWDBWD-LABEL: slicing_test
func @slicing_test() {
// Fake 0 to align on 1 and match ASCII art.
%0 = alloc() : memref<1xi32>
// FWD: matched: %[[v1:.*]] {{.*}} forward static slice:
// FWD-NEXT: %[[v5:.*]] {{.*}} -> i5
// FWD-DAG: %[[v8:.*]] {{.*}} -> i8
// FWD-DAG: %[[v7:.*]] {{.*}} -> i7
// FWD-NEXT: %[[v9:.*]] {{.*}} -> i9
//
// BWD: matched: %[[v1:.*]] {{.*}} backward static slice:
//
// FWDBWD: matched: %[[v1:.*]] {{.*}} static slice:
// FWDBWD-DAG: %[[v4:.*]] = "slicing-test-op"() : () -> i4
// FWDBWD-DAG: %[[v3:.*]] = "slicing-test-op"() : () -> i3
// FWDBWD-NEXT: %[[v6:.*]] = "slicing-test-op"(%[[v3]], %[[v4]]) : (i3, i4) -> i6
// FWDBWD-DAG: %[[v2:.*]] = "slicing-test-op"() : () -> i2
// FWDBWD-DAG: %[[v1:.*]] = "slicing-test-op"() : () -> i1
// FWDBWD-NEXT: %[[v5:.*]] = "slicing-test-op"(%[[v1]], %[[v2]]) : (i1, i2) -> i5
// FWDBWD-DAG: %[[v8:.*]] = "slicing-test-op"(%[[v5]], %[[v6]]) : (i5, i6) -> i8
// FWDBWD-DAG: %[[v7:.*]] = "slicing-test-op"(%[[v1]], %[[v5]]) : (i1, i5) -> i7
// FWDBWD-NEXT: %[[v9:.*]] = "slicing-test-op"(%[[v7]], %[[v8]]) : (i7, i8) -> i9
%1 = "slicing-test-op" () : () -> i1
// FWD-NEXT: matched: %[[v2:.*]] {{.*}} forward static slice:
// FWD-NEXT: %[[v5:.*]] {{.*}} -> i5
// FWD-DAG: %[[v8:.*]] {{.*}} -> i8
// FWD-DAG: %[[v7:.*]] {{.*}} -> i7
// FWD-NEXT: %[[v9:.*]] {{.*}} -> i9
//
// BWD: matched: %[[v2:.*]] {{.*}} backward static slice:
//
// FWDBWD-NEXT: matched: %[[v2:.*]] {{.*}} static slice:
// FWDBWD-DAG: %[[v4:.*]] = "slicing-test-op"() : () -> i4
// FWDBWD-DAG: %[[v3:.*]] = "slicing-test-op"() : () -> i3
// FWDBWD-NEXT: %[[v6:.*]] = "slicing-test-op"(%[[v3]], %[[v4]]) : (i3, i4) -> i6
// FWDBWD-DAG: %[[v2:.*]] = "slicing-test-op"() : () -> i2
// FWDBWD-DAG: %[[v1:.*]] = "slicing-test-op"() : () -> i1
// FWDBWD-NEXT: %[[v5:.*]] = "slicing-test-op"(%[[v1]], %[[v2]]) : (i1, i2) -> i5
// FWDBWD-DAG: %[[v8:.*]] = "slicing-test-op"(%[[v5]], %[[v6]]) : (i5, i6) -> i8
// FWDBWD-DAG: %[[v7:.*]] = "slicing-test-op"(%[[v1]], %[[v5]]) : (i1, i5) -> i7
// FWDBWD-NEXT: %[[v9:.*]] = "slicing-test-op"(%[[v7]], %[[v8]]) : (i7, i8) -> i9
%2 = "slicing-test-op" () : () -> i2
// FWD-NEXT: matched: %[[v3:.*]] {{.*}} forward static slice:
// FWD-NEXT: %[[v6:.*]] {{.*}} -> i6
// FWD-NEXT: %[[v8:.*]] {{.*}} -> i8
// FWD-NEXT: %[[v9:.*]] {{.*}} -> i9
//
// BWD: matched: %[[v3:.*]] {{.*}} backward static slice:
//
// FWDBWD-NEXT: matched: %[[v3:.*]] {{.*}} static slice:
// FWDBWD-DAG: %[[v2:.*]] = "slicing-test-op"() : () -> i2
// FWDBWD-DAG: %[[v1:.*]] = "slicing-test-op"() : () -> i1
// FWDBWD-NEXT: %[[v5:.*]] = "slicing-test-op"(%[[v1]], %[[v2]]) : (i1, i2) -> i5
// FWDBWD-NEXT: %[[v7:.*]] = "slicing-test-op"(%[[v1]], %[[v5]]) : (i1, i5) -> i7
// FWDBWD-DAG: %[[v4:.*]] = "slicing-test-op"() : () -> i4
// FWDBWD-DAG: %[[v3:.*]] = "slicing-test-op"() : () -> i3
// FWDBWD-NEXT: %[[v6:.*]] = "slicing-test-op"(%[[v3]], %[[v4]]) : (i3, i4) -> i6
// FWDBWD-NEXT: %[[v8:.*]] = "slicing-test-op"(%[[v5]], %[[v6]]) : (i5, i6) -> i8
// FWDBWD-NEXT: %[[v9:.*]] = "slicing-test-op"(%[[v7]], %[[v8]]) : (i7, i8) -> i9
%3 = "slicing-test-op" () : () -> i3
// FWD-NEXT: matched: %[[v4:.*]] {{.*}} forward static slice:
// FWD-NEXT: %[[v6:.*]] {{.*}} -> i6
// FWD-NEXT: %[[v8:.*]] {{.*}} -> i8
// FWD-NEXT: %[[v9:.*]] {{.*}} -> i9
//
// BWD: matched: %[[v4:.*]] {{.*}} backward static slice:
//
// FWDBWD-NEXT: matched: %[[v4:.*]] {{.*}} static slice:
// FWDBWD-DAG: %[[v2:.*]] = "slicing-test-op"() : () -> i2
// FWDBWD-DAG: %[[v1:.*]] = "slicing-test-op"() : () -> i1
// FWDBWD-NEXT: %[[v5:.*]] = "slicing-test-op"(%[[v1]], %[[v2]]) : (i1, i2) -> i5
// FWDBWD-NEXT: %[[v7:.*]] = "slicing-test-op"(%[[v1]], %[[v5]]) : (i1, i5) -> i7
// FWDBWD-DAG: %[[v4:.*]] = "slicing-test-op"() : () -> i4
// FWDBWD-DAG: %[[v3:.*]] = "slicing-test-op"() : () -> i3
// FWDBWD-NEXT: %[[v6:.*]] = "slicing-test-op"(%[[v3]], %[[v4]]) : (i3, i4) -> i6
// FWDBWD-NEXT: %[[v8:.*]] = "slicing-test-op"(%[[v5]], %[[v6]]) : (i5, i6) -> i8
// FWDBWD-NEXT: %[[v9:.*]] = "slicing-test-op"(%[[v7]], %[[v8]]) : (i7, i8) -> i9
%4 = "slicing-test-op" () : () -> i4
// FWD-NEXT: matched: %[[v5:.*]] {{.*}} forward static slice:
// FWD-DAG: %[[v7:.*]] {{.*}} -> i7
// FWD-DAG: %[[v8:.*]] {{.*}} -> i8
// FWD-NEXT: %[[v9:.*]] {{.*}} -> i9
//
// BWD: matched: %[[v5:.*]] {{.*}} backward static slice:
// BWD-DAG: %[[v1:.*]] = "slicing-test-op"() : () -> i1
// BWD-DAG: %[[v2:.*]] = "slicing-test-op"() : () -> i2
//
// FWDBWD-NEXT: matched: %[[v5:.*]] {{.*}} static slice:
// FWDBWD-DAG: %[[v4:.*]] = "slicing-test-op"() : () -> i4
// FWDBWD-DAG: %[[v3:.*]] = "slicing-test-op"() : () -> i3
// FWDBWD-NEXT: %[[v6:.*]] = "slicing-test-op"(%[[v3]], %[[v4]]) : (i3, i4) -> i6
// FWDBWD-DAG: %[[v2:.*]] = "slicing-test-op"() : () -> i2
// FWDBWD-DAG: %[[v1:.*]] = "slicing-test-op"() : () -> i1
// FWDBWD-NEXT: %[[v5:.*]] = "slicing-test-op"(%[[v1]], %[[v2]]) : (i1, i2) -> i5
// FWDBWD-DAG: %[[v8:.*]] = "slicing-test-op"(%[[v5]], %[[v6]]) : (i5, i6) -> i8
// FWDBWD-DAG: %[[v7:.*]] = "slicing-test-op"(%[[v1]], %[[v5]]) : (i1, i5) -> i7
// FWDBWD-NEXT: %[[v9:.*]] = "slicing-test-op"(%[[v7]], %[[v8]]) : (i7, i8) -> i9
%5 = "slicing-test-op" (%1, %2) : (i1, i2) -> i5
// FWD-NEXT: matched: %[[v6:.*]] {{.*}} forward static slice:
// FWD-NEXT: %[[v8:.*]] {{.*}} -> i8
// FWD-NEXT: %[[v9:.*]] {{.*}} -> i9
//
// BWD: matched: %[[v6:.*]] {{.*}} backward static slice:
// BWD-DAG: %[[v3:.*]] = "slicing-test-op"() : () -> i3
// BWD-DAG: %[[v4:.*]] = "slicing-test-op"() : () -> i4
//
// FWDBWD-NEXT: matched: %[[v6:.*]] {{.*}} static slice:
// FWDBWD-DAG: %[[v2:.*]] = "slicing-test-op"() : () -> i2
// FWDBWD-DAG: %[[v1:.*]] = "slicing-test-op"() : () -> i1
// FWDBWD-NEXT: %[[v5:.*]] = "slicing-test-op"(%[[v1]], %[[v2]]) : (i1, i2) -> i5
// FWDBWD-NEXT: %[[v7:.*]] = "slicing-test-op"(%[[v1]], %[[v5]]) : (i1, i5) -> i7
// FWDBWD-DAG: %[[v4:.*]] = "slicing-test-op"() : () -> i4
// FWDBWD-DAG: %[[v3:.*]] = "slicing-test-op"() : () -> i3
// FWDBWD-NEXT: %[[v6:.*]] = "slicing-test-op"(%[[v3]], %[[v4]]) : (i3, i4) -> i6
// FWDBWD-NEXT: %[[v8:.*]] = "slicing-test-op"(%[[v5]], %[[v6]]) : (i5, i6) -> i8
// FWDBWD-NEXT: %[[v9:.*]] = "slicing-test-op"(%[[v7]], %[[v8]]) : (i7, i8) -> i9
%6 = "slicing-test-op" (%3, %4) : (i3, i4) -> i6
// FWD-NEXT: matched: %[[v7:.*]] {{.*}} forward static slice:
// FWD-NEXT: %[[v9:.*]] {{.*}} -> i9
//
// BWD: matched: %[[v7:.*]] {{.*}} backward static slice:
// BWD-DAG: %[[v1:.*]] = "slicing-test-op"() : () -> i1
// BWD-DAG: %[[v2:.*]] = "slicing-test-op"() : () -> i2
// BWD-NEXT: %[[v5:.*]] = "slicing-test-op"(%[[v1]], %[[v2]]) : (i1, i2) -> i5
//
// FWDBWD-NEXT: matched: %[[v7:.*]] {{.*}} static slice:
// FWDBWD-DAG: %[[v4:.*]] = "slicing-test-op"() : () -> i4
// FWDBWD-DAG: %[[v3:.*]] = "slicing-test-op"() : () -> i3
// FWDBWD-NEXT: %[[v6:.*]] = "slicing-test-op"(%[[v3]], %[[v4]]) : (i3, i4) -> i6
// FWDBWD-DAG: %[[v2:.*]] = "slicing-test-op"() : () -> i2
// FWDBWD-DAG: %[[v1:.*]] = "slicing-test-op"() : () -> i1
// FWDBWD: %[[v5:.*]] = "slicing-test-op"(%[[v1]], %[[v2]]) : (i1, i2) -> i5
// FWDBWD-DAG: %[[v8:.*]] = "slicing-test-op"(%[[v5]], %[[v6]]) : (i5, i6) -> i8
// FWDBWD-DAG: %[[v7:.*]] = "slicing-test-op"(%[[v1]], %[[v5]]) : (i1, i5) -> i7
// FWDBWD-NEXT: %[[v9:.*]] = "slicing-test-op"(%[[v7]], %[[v8]]) : (i7, i8) -> i9
%7 = "slicing-test-op" (%1, %5) : (i1, i5) -> i7
// FWD-NEXT: matched: %[[v8:.*]] {{.*}} forward static slice:
// FWD-NEXT: %[[v9:.*]] {{.*}} -> i9
//
// BWD: matched: %[[v8:.*]] {{.*}} backward static slice:
// BWD-DAG: %[[v1:.*]] = "slicing-test-op"() : () -> i1
// BWD-DAG: %[[v2:.*]] = "slicing-test-op"() : () -> i2
// BWD-NEXT: %[[v5:.*]] = "slicing-test-op"(%[[v1]], %[[v2]]) : (i1, i2) -> i5
// BWD-DAG: %[[v3:.*]] = "slicing-test-op"() : () -> i3
// BWD-DAG: %[[v4:.*]] = "slicing-test-op"() : () -> i4
// BWD-NEXT: %[[v6:.*]] = "slicing-test-op"(%[[v3]], %[[v4]]) : (i3, i4) -> i6
//
// FWDBWD-NEXT: matched: %[[v8:.*]] {{.*}} static slice:
// FWDBWD-DAG: %[[v4:.*]] = "slicing-test-op"() : () -> i4
// FWDBWD-DAG: %[[v3:.*]] = "slicing-test-op"() : () -> i3
// FWDBWD-NEXT: %[[v6:.*]] = "slicing-test-op"(%[[v3]], %[[v4]]) : (i3, i4) -> i6
// FWDBWD-DAG: %[[v2:.*]] = "slicing-test-op"() : () -> i2
// FWDBWD-DAG: %[[v1:.*]] = "slicing-test-op"() : () -> i1
// FWDBWD-NEXT: %[[v5:.*]] = "slicing-test-op"(%[[v1]], %[[v2]]) : (i1, i2) -> i5
// FWDBWD-DAG: %[[v8:.*]] = "slicing-test-op"(%[[v5]], %[[v6]]) : (i5, i6) -> i8
// FWDBWD-DAG: %[[v7:.*]] = "slicing-test-op"(%[[v1]], %[[v5]]) : (i1, i5) -> i7
// FWDBWD-NEXT: %[[v9:.*]] = "slicing-test-op"(%[[v7]], %[[v8]]) : (i7, i8) -> i9
%8 = "slicing-test-op" (%5, %6) : (i5, i6) -> i8
// FWD-NEXT: matched: %[[v9:.*]] {{.*}} forward static slice:
//
// BWD: matched: %[[v9:.*]] {{.*}} backward static slice:
// BWD-DAG: %[[v1:.*]] = "slicing-test-op"() : () -> i1
// BWD-DAG: %[[v2:.*]] = "slicing-test-op"() : () -> i2
// BWD-NEXT: %[[v5:.*]] = "slicing-test-op"(%[[v1]], %[[v2]]) : (i1, i2) -> i5
// BWD-NEXT: %[[v7:.*]] = "slicing-test-op"(%[[v1]], %[[v5]]) : (i1, i5) -> i7
// BWD-DAG: %[[v3:.*]] = "slicing-test-op"() : () -> i3
// BWD-DAG: %[[v4:.*]] = "slicing-test-op"() : () -> i4
// BWD-NEXT: %[[v6:.*]] = "slicing-test-op"(%[[v3]], %[[v4]]) : (i3, i4) -> i6
// BWD-NEXT: %[[v8:.*]] = "slicing-test-op"(%[[v5]], %[[v6]]) : (i5, i6) -> i8
//
// FWDBWD-NEXT: matched: %[[v9:.*]] {{.*}} static slice:
// FWDBWD-DAG: %[[v4:.*]] = "slicing-test-op"() : () -> i4
// FWDBWD-DAG: %[[v3:.*]] = "slicing-test-op"() : () -> i3
// FWDBWD-NEXT: %[[v6:.*]] = "slicing-test-op"(%[[v3]], %[[v4]]) : (i3, i4) -> i6
// FWDBWD-DAG: %[[v2:.*]] = "slicing-test-op"() : () -> i2
// FWDBWD-DAG: %[[v1:.*]] = "slicing-test-op"() : () -> i1
// FWDBWD-NEXT: %[[v5:.*]] = "slicing-test-op"(%[[v1]], %[[v2]]) : (i1, i2) -> i5
// FWDBWD-DAG: %[[v8:.*]] = "slicing-test-op"(%[[v5]], %[[v6]]) : (i5, i6) -> i8
// FWDBWD-DAG: %[[v7:.*]] = "slicing-test-op"(%[[v1]], %[[v5]]) : (i1, i5) -> i7
// FWDBWD-NEXT: %[[v9:.*]] = "slicing-test-op"(%[[v7]], %[[v8]]) : (i7, i8) -> i9
%9 = "slicing-test-op" (%7, %8) : (i7, i8) -> i9
return
}
// FWD-LABEL: slicing_test_2
// BWD-LABEL: slicing_test_2
// FWDBWD-LABEL: slicing_test_2
func @slicing_test_2() {
%c0 = constant 0 : index
%c2 = constant 2 : index
%c16 = constant 16 : index
affine.for %i0 = %c0 to %c16 {
affine.for %i1 = affine_map<(i)[] -> (i)>(%i0) to 10 {
// BWD: matched: %[[b:.*]] {{.*}} backward static slice:
// BWD: affine.for {{.*}}
// affine.for appears in the body of scf.for
// BWD: affine.for {{.*}}
// affine.for appears as a proper op in the backward slice
// BWD: affine.for {{.*}}
%b = "slicing-test-op"(%i1): (index) -> index
// BWD: matched: %[[c:.*]] {{.*}} backward static slice:
// BWD: affine.for {{.*}}
// affine.for appears in the body of scf.for
// BWD-NEXT: affine.for {{.*}}
// affine.for only appears in the body of scf.for
// BWD-NOT: affine.for {{.*}}
%c = "slicing-test-op"(%i0): (index) -> index
}
}
return
}
// FWD-LABEL: slicing_test_3
// BWD-LABEL: slicing_test_3
// FWDBWD-LABEL: slicing_test_3
func @slicing_test_3() {
%f = constant 1.0 : f32
%c = "slicing-test-op"(%f): (f32) -> index
// FWD: matched: {{.*}} (f32) -> index forward static slice:
// FWD: scf.for {{.*}}
// FWD: matched: {{.*}} (index, index) -> index forward static slice:
scf.for %i2 = %c to %c step %c {
%d = "slicing-test-op"(%c, %i2): (index, index) -> index
}
return
}
// FWD-LABEL: slicing_test_function_argument
// BWD-LABEL: slicing_test_function_argument
// FWDBWD-LABEL: slicing_test_function_argument
func @slicing_test_function_argument(%arg0: index) -> index {
// BWD: matched: {{.*}} (index, index) -> index backward static slice:
%0 = "slicing-test-op"(%arg0, %arg0): (index, index) -> index
return %0 : index
}
// FWD-LABEL: slicing_test_multiple_return
// BWD-LABEL: slicing_test_multiple_return
// FWDBWD-LABEL: slicing_test_multiple_return
func @slicing_test_multiple_return(%arg0: index) -> (index, index) {
// BWD: matched: {{.*}} (index, index) -> (index, index) backward static slice:
// FWD: matched: %{{.*}}:2 = "slicing-test-op"(%arg0, %arg0) : (index, index) -> (index, index) forward static slice:
// FWD: return %{{.*}}#0, %{{.*}}#1 : index, index
%0:2 = "slicing-test-op"(%arg0, %arg0): (index, index) -> (index, index)
return %0#0, %0#1 : index, index
}
// This test dumps 2 sets of outputs: first the test outputs themselves followed
// by the module. These labels isolate the test outputs from the module dump.
// FWD-LABEL: slicing_test
// BWD-LABEL: slicing_test
// FWDBWD-LABEL: slicing_test
// FWD-LABEL: slicing_test_2
// BWD-LABEL: slicing_test_2
// FWDBWD-LABEL: slicing_test_2
// FWD-LABEL: slicing_test_3
// BWD-LABEL: slicing_test_3
// FWDBWD-LABEL: slicing_test_3
// FWD-LABEL: slicing_test_function_argument
// BWD-LABEL: slicing_test_function_argument
// FWDBWD-LABEL: slicing_test_function_argument