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TheRock/compiler/amd-llvm/mlir/test/Transforms/test-legalizer-no-rollback.mlir
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2026-09-02 16:34:47 -07:00

24 lines
1.3 KiB
MLIR

// RUN: mlir-opt -allow-unregistered-dialect -split-input-file -test-legalize-patterns="allow-pattern-rollback=0" -verify-diagnostics %s | FileCheck %s
// CHECK-LABEL: @conditional_replacement(
// CHECK-SAME: %[[arg0:.*]]: i43)
// CHECK: %[[cast1:.*]] = "test.cast"(%[[arg0]]) : (i43) -> i42
// CHECK: %[[legal:.*]] = "test.legal_op"() : () -> i42
// CHECK: %[[cast2:.*]] = "test.cast"(%[[legal]], %[[legal]]) : (i42, i42) -> i42
// Uses were replaced for dummy_user_1.
// CHECK: "test.dummy_user_1"(%[[cast2]]) {replace_uses} : (i42) -> ()
// Uses were also replaced for dummy_user_2, but not by value_replace. The uses
// were replaced due to the block signature conversion.
// CHECK: "test.dummy_user_2"(%[[cast1]]) : (i42) -> ()
// CHECK: "test.value_replace"(%[[cast1]], %[[legal]]) {conditional, is_legal} : (i42, i42) -> ()
func.func @conditional_replacement(%arg0: i42) {
%repl = "test.legal_op"() : () -> (i42)
// expected-remark @+1 {{is not legalizable}}
"test.dummy_user_1"(%arg0) {replace_uses} : (i42) -> ()
// expected-remark @+1 {{is not legalizable}}
"test.dummy_user_2"(%arg0) {} : (i42) -> ()
// Perform a conditional 1:N replacement.
"test.value_replace"(%arg0, %repl) {conditional} : (i42, i42) -> ()
"test.return"() : () -> ()
}