66 lines
2.9 KiB
MLIR
66 lines
2.9 KiB
MLIR
// RUN: mlir-opt -allow-unregistered-dialect -mlir-print-value-users -split-input-file %s | FileCheck %s
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module {
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// CHECK: %[[ARG0:.+]]: i32, %[[ARG1:.+]]: i32, %[[ARG2:.+]]: i32
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func.func @foo(%arg0: i32, %arg1: i32, %arg3: i32) -> i32 {
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// CHECK-NEXT: // %[[ARG0]] is used by %[[ARG0U1:.+]], %[[ARG0U2:.+]], %[[ARG0U3:.+]]
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// CHECK-NEXT: // %[[ARG1]] is used by %[[ARG1U1:.+]], %[[ARG1U2:.+]]
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// CHECK-NEXT: // %[[ARG2]] is unused
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// CHECK-NEXT: test.noop
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// CHECK-NOT: // unused
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"test.noop"() : () -> ()
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// When no result is produced, an id should be printed.
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// CHECK-NEXT: // id: %[[ARG0U3]]
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"test.no_result"(%arg0) {} : (i32) -> ()
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// Check for unused result.
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// CHECK-NEXT: %[[ARG0U2]] =
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// CHECK-SAME: // unused
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%1 = "test.unused_result"(%arg0, %arg1) {} : (i32, i32) -> i32
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// Check that both users are printed.
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// CHECK-NEXT: %[[ARG0U1]] =
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// CHECK-SAME: // users: %[[A:.+]]#0, %[[A]]#1
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%2 = "test.one_result"(%arg0, %arg1) {} : (i32, i32) -> i32
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// For multiple results, users should be grouped per result.
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// CHECK-NEXT: %[[A]]:2 =
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// CHECK-SAME: // users: (%[[B:.+]], %[[C:.+]]), (%[[B]], %[[D:.+]])
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%3:2 = "test.many_results"(%2) {} : (i32) -> (i32, i32)
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// Two results are produced, but there is only one user.
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// CHECK-NEXT: // users:
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%7:2 = "test.many_results"() : () -> (i32, i32)
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// CHECK-NEXT: %[[C]] =
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// Result is used twice in next operation but it produces only one result.
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// CHECK-SAME: // user:
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%4 = "test.foo"(%3#0) {} : (i32) -> i32
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// CHECK-NEXT: %[[D]] =
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%5 = "test.foo"(%3#1, %4, %4) {} : (i32, i32, i32) -> i32
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// CHECK-NEXT: %[[B]] =
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// Result is not used in any other result but in two operations.
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// CHECK-SAME: // users:
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%6 = "test.foo"(%3#0, %3#1) {} : (i32, i32) -> i32
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"test.no_result"(%6) {} : (i32) -> ()
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"test.no_result"(%7#0) : (i32) -> ()
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return %6: i32
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}
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}
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// -----
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module {
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// Check with nested operation.
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// CHECK: %[[CONSTNAME:.+]] = arith.constant
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%0 = arith.constant 42 : i32
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%test = "test.outerop"(%0) ({
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// CHECK: "test.innerop"(%[[CONSTNAME]]) : (i32) -> () // id: %
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"test.innerop"(%0) : (i32) -> ()
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// CHECK: (i32) -> i32 // users: %r, %s, %p, %p_0, %q
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}): (i32) -> i32
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// Check named results.
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// CHECK-NEXT: // users: (%u, %v), (unused), (%u, %v, %r, %s)
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%p:2, %q = "test.custom_result_name"(%test) {names = ["p", "p", "q"]} : (i32) -> (i32, i32, i32)
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// CHECK-NEXT: // users: (unused), (%u, %v)
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%r, %s = "test.custom_result_name"(%q#0, %q#0, %test) {names = ["r", "s"]} : (i32, i32, i32) -> (i32, i32)
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// CHECK-NEXT: // unused
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%u, %v = "test.custom_result_name"(%s, %q#0, %p) {names = ["u", "v"]} : (i32, i32, i32) -> (i32, i32)
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}
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