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1// RUN: mlir-opt %s -one-shot-bufferize="allow-unknown-ops allow-return-allocs-from-loops" -split-input-file -verify-diagnostics2 3func.func @inconsistent_memory_space_scf_if(%c: i1) -> tensor<10xf32> {4 // Yielding tensors with different memory spaces. Such IR cannot be5 // bufferized.6 %0 = bufferization.alloc_tensor() {memory_space = 0 : ui64} : tensor<10xf32>7 %1 = bufferization.alloc_tensor() {memory_space = 1 : ui64} : tensor<10xf32>8 // expected-error @+1 {{inconsistent memory space on then/else branches}}9 %r = scf.if %c -> tensor<10xf32> {10 // expected-error @+1 {{failed to bufferize op}}11 scf.yield %0 : tensor<10xf32>12 } else {13 scf.yield %1 : tensor<10xf32>14 }15 func.return %r : tensor<10xf32>16}17 18// -----19 20func.func @execute_region_multiple_yields(%t: tensor<5xf32>) -> tensor<5xf32> {21 // expected-error @below{{op op without unique scf.yield is not supported}}22 %0 = scf.execute_region -> tensor<5xf32> {23 scf.yield %t : tensor<5xf32>24 ^bb1(%arg1 : tensor<5xf32>):25 scf.yield %arg1 : tensor<5xf32>26 }27 func.return %0 : tensor<5xf32>28}29 30// -----31 32func.func @execute_region_no_yield(%t: tensor<5xf32>) -> tensor<5xf32> {33 // expected-error @below{{op op without unique scf.yield is not supported}}34 %0 = scf.execute_region -> tensor<5xf32> {35 cf.br ^bb0(%t : tensor<5xf32>)36 ^bb0(%arg0 : tensor<5xf32>):37 cf.br ^bb1(%arg0: tensor<5xf32>)38 ^bb1(%arg1 : tensor<5xf32>):39 cf.br ^bb0(%arg1: tensor<5xf32>)40 }41 func.return %0 : tensor<5xf32>42}43 44// -----45 46func.func @inconsistent_memory_space_scf_for(%lb: index, %ub: index, %step: index) -> tensor<10xf32> {47 %0 = bufferization.alloc_tensor() {memory_space = 0 : ui64} : tensor<10xf32>48 %1 = bufferization.alloc_tensor() {memory_space = 1 : ui64} : tensor<10xf32>49 // expected-error @below{{init_arg and yielded value bufferize to inconsistent memory spaces}}50 %2 = scf.for %iv = %lb to %ub step %step iter_args(%arg = %0) -> tensor<10xf32> {51 // expected-error @below {{failed to bufferize op}}52 scf.yield %1 : tensor<10xf32>53 }54 return %2 : tensor<10xf32>55}56