llvm-project/mlir/test/Transforms/test-legalize-erased-op-wit...

11 lines
476 B
MLIR

// RUN: mlir-opt %s -test-legalize-unknown-root-patterns -verify-diagnostics
// Test that an error is emitted when an operation is marked as "erased", but
// has users that live across the conversion.
func @remove_all_ops(%arg0: i32) -> i32 {
// expected-error@below {{failed to legalize operation 'test.illegal_op_a' marked as erased}}
%0 = "test.illegal_op_a"() : () -> i32
// expected-note@below {{found live user of result #0: return %0 : i32}}
return %0 : i32
}