[Mlir-commits] [mlir] 130b149 - [MLIR][FuncToLLVM] Remove typed pointer support (#70574)
llvmlistbot at llvm.org
llvmlistbot at llvm.org
Mon Oct 30 00:57:20 PDT 2023
Author: Christian Ulmann
Date: 2023-10-30T08:57:16+01:00
New Revision: 130b149ba92265d09fc7a08c116506f68982cc9b
URL: https://github.com/llvm/llvm-project/commit/130b149ba92265d09fc7a08c116506f68982cc9b
DIFF: https://github.com/llvm/llvm-project/commit/130b149ba92265d09fc7a08c116506f68982cc9b.diff
LOG: [MLIR][FuncToLLVM] Remove typed pointer support (#70574)
This commit removes the support for lowering Func to LLVM dialect with
typed pointers. Typed pointers have been deprecated for a while now and
it's planned to soon remove them from the LLVM dialect.
Related PSA:
https://discourse.llvm.org/t/psa-removal-of-typed-pointers-from-the-llvm-dialect/74502
Added:
Modified:
mlir/include/mlir/Conversion/Passes.td
mlir/lib/Conversion/FuncToLLVM/FuncToLLVM.cpp
mlir/test/Conversion/FuncToLLVM/calling-convention.mlir
mlir/test/Conversion/FuncToLLVM/convert-argattrs.mlir
mlir/test/Conversion/FuncToLLVM/convert-data-layout.mlir
mlir/test/Conversion/FuncToLLVM/convert-funcs.mlir
mlir/test/Conversion/FuncToLLVM/emit-c-wrappers-for-external-callers.mlir
mlir/test/Conversion/FuncToLLVM/emit-c-wrappers-for-external-functions.mlir
mlir/test/Conversion/FuncToLLVM/func-memref-return.mlir
mlir/test/Conversion/FuncToLLVM/func-memref.mlir
mlir/test/Conversion/FuncToLLVM/func-to-llvm.mlir
mlir/test/Conversion/FuncToLLVM/invalid.mlir
mlir/test/lib/Dialect/LLVM/TestLowerToLLVM.cpp
Removed:
mlir/test/Conversion/FuncToLLVM/typed-pointers.mlir
################################################################################
diff --git a/mlir/include/mlir/Conversion/Passes.td b/mlir/include/mlir/Conversion/Passes.td
index 336f0d3af951b9a..9d70987386437ca 100644
--- a/mlir/include/mlir/Conversion/Passes.td
+++ b/mlir/include/mlir/Conversion/Passes.td
@@ -409,9 +409,6 @@ def ConvertFuncToLLVMPass : Pass<"convert-func-to-llvm", "ModuleOp"> {
Option<"indexBitwidth", "index-bitwidth", "unsigned",
/*default=kDeriveIndexBitwidthFromDataLayout*/"0",
"Bitwidth of the index type, 0 to use size of machine word">,
- Option<"useOpaquePointers", "use-opaque-pointers", "bool",
- /*default=*/"true", "Generate LLVM IR using opaque pointers "
- "instead of typed pointers">,
];
}
diff --git a/mlir/lib/Conversion/FuncToLLVM/FuncToLLVM.cpp b/mlir/lib/Conversion/FuncToLLVM/FuncToLLVM.cpp
index 3506f50916132dd..3126d1dee32cbc5 100644
--- a/mlir/lib/Conversion/FuncToLLVM/FuncToLLVM.cpp
+++ b/mlir/lib/Conversion/FuncToLLVM/FuncToLLVM.cpp
@@ -790,7 +790,6 @@ struct ConvertFuncToLLVMPass
if (indexBitwidth != kDeriveIndexBitwidthFromDataLayout)
options.overrideIndexBitwidth(indexBitwidth);
options.dataLayout = llvm::DataLayout(dataLayout);
- options.useOpaquePointers = useOpaquePointers;
LLVMTypeConverter typeConverter(&getContext(), options,
&dataLayoutAnalysis);
diff --git a/mlir/test/Conversion/FuncToLLVM/calling-convention.mlir b/mlir/test/Conversion/FuncToLLVM/calling-convention.mlir
index 1ed67708875604d..7cdb89e1f72d287 100644
--- a/mlir/test/Conversion/FuncToLLVM/calling-convention.mlir
+++ b/mlir/test/Conversion/FuncToLLVM/calling-convention.mlir
@@ -1,5 +1,5 @@
-// RUN: mlir-opt -finalize-memref-to-llvm='use-opaque-pointers=1' -llvm-request-c-wrappers -convert-func-to-llvm='use-opaque-pointers=1' -reconcile-unrealized-casts %s | FileCheck %s
-// RUN: mlir-opt -finalize-memref-to-llvm='use-opaque-pointers=1' -convert-func-to-llvm='use-opaque-pointers=1' -reconcile-unrealized-casts %s | FileCheck %s --check-prefix=EMIT_C_ATTRIBUTE
+// RUN: mlir-opt -finalize-memref-to-llvm -llvm-request-c-wrappers -convert-func-to-llvm -reconcile-unrealized-casts %s | FileCheck %s
+// RUN: mlir-opt -finalize-memref-to-llvm -convert-func-to-llvm -reconcile-unrealized-casts %s | FileCheck %s --check-prefix=EMIT_C_ATTRIBUTE
// This tests the default memref calling convention and the emission of C
// wrappers. We don't need to separate runs because the wrapper-emission
diff --git a/mlir/test/Conversion/FuncToLLVM/convert-argattrs.mlir b/mlir/test/Conversion/FuncToLLVM/convert-argattrs.mlir
index 41aff17d86919f6..85c7cbddfdbf634 100644
--- a/mlir/test/Conversion/FuncToLLVM/convert-argattrs.mlir
+++ b/mlir/test/Conversion/FuncToLLVM/convert-argattrs.mlir
@@ -1,4 +1,4 @@
-// RUN: mlir-opt -convert-func-to-llvm='use-opaque-pointers=1' %s | FileCheck %s
+// RUN: mlir-opt -convert-func-to-llvm %s | FileCheck %s
// CHECK-LABEL: func @check_attributes
// CHECK-SAME: {dialect.a = true, dialect.b = 4 : i64}
diff --git a/mlir/test/Conversion/FuncToLLVM/convert-data-layout.mlir b/mlir/test/Conversion/FuncToLLVM/convert-data-layout.mlir
index fb33d4fdfbe7c9d..0e7c16ec507998c 100644
--- a/mlir/test/Conversion/FuncToLLVM/convert-data-layout.mlir
+++ b/mlir/test/Conversion/FuncToLLVM/convert-data-layout.mlir
@@ -1,4 +1,4 @@
-// RUN: mlir-opt -set-llvm-module-datalayout -convert-func-to-llvm='use-opaque-pointers=1' %s | FileCheck %s
+// RUN: mlir-opt -set-llvm-module-datalayout -convert-func-to-llvm %s | FileCheck %s
// RUN-32: mlir-opt -set-llvm-module-datalayout='data-layout=p:32:32:32' -convert-func-to-llvm='use-opaque-pointers=1' %s \
// RUN-32: | FileCheck %s
diff --git a/mlir/test/Conversion/FuncToLLVM/convert-funcs.mlir b/mlir/test/Conversion/FuncToLLVM/convert-funcs.mlir
index 9fe5ad5cdda65ff..765d8469f3c5618 100644
--- a/mlir/test/Conversion/FuncToLLVM/convert-funcs.mlir
+++ b/mlir/test/Conversion/FuncToLLVM/convert-funcs.mlir
@@ -1,4 +1,4 @@
-// RUN: mlir-opt -convert-func-to-llvm='use-opaque-pointers=1' -split-input-file -verify-diagnostics %s | FileCheck %s
+// RUN: mlir-opt -convert-func-to-llvm -split-input-file -verify-diagnostics %s | FileCheck %s
//CHECK: llvm.func @second_order_arg(!llvm.ptr)
func.func private @second_order_arg(%arg0 : () -> ())
diff --git a/mlir/test/Conversion/FuncToLLVM/emit-c-wrappers-for-external-callers.mlir b/mlir/test/Conversion/FuncToLLVM/emit-c-wrappers-for-external-callers.mlir
index dd474e140110575..826ca9540ae5655 100644
--- a/mlir/test/Conversion/FuncToLLVM/emit-c-wrappers-for-external-callers.mlir
+++ b/mlir/test/Conversion/FuncToLLVM/emit-c-wrappers-for-external-callers.mlir
@@ -1,4 +1,4 @@
-// RUN: mlir-opt -llvm-request-c-wrappers -convert-func-to-llvm='use-opaque-pointers=1' %s | FileCheck %s
+// RUN: mlir-opt -llvm-request-c-wrappers -convert-func-to-llvm %s | FileCheck %s
// CHECK: llvm.func @res_attrs_with_memref_return() -> (!llvm.struct{{.*}} {test.returnOne})
// CHECK-LABEL: llvm.func @_mlir_ciface_res_attrs_with_memref_return
diff --git a/mlir/test/Conversion/FuncToLLVM/emit-c-wrappers-for-external-functions.mlir b/mlir/test/Conversion/FuncToLLVM/emit-c-wrappers-for-external-functions.mlir
index 027d29b0bf079a4..28c2638c7be519c 100644
--- a/mlir/test/Conversion/FuncToLLVM/emit-c-wrappers-for-external-functions.mlir
+++ b/mlir/test/Conversion/FuncToLLVM/emit-c-wrappers-for-external-functions.mlir
@@ -1,4 +1,4 @@
-// RUN: mlir-opt -llvm-request-c-wrappers -convert-func-to-llvm='use-opaque-pointers=1' %s | FileCheck %s
+// RUN: mlir-opt -llvm-request-c-wrappers -convert-func-to-llvm %s | FileCheck %s
// CHECK: llvm.func private @res_attrs_with_memref_return() -> (!llvm.struct{{.*}} {test.returnOne})
// CHECK-LABEL: llvm.func @_mlir_ciface_res_attrs_with_memref_return
diff --git a/mlir/test/Conversion/FuncToLLVM/func-memref-return.mlir b/mlir/test/Conversion/FuncToLLVM/func-memref-return.mlir
index b584d4ce28f52ab..91ef571cb3bf71c 100644
--- a/mlir/test/Conversion/FuncToLLVM/func-memref-return.mlir
+++ b/mlir/test/Conversion/FuncToLLVM/func-memref-return.mlir
@@ -1,6 +1,6 @@
-// RUN: mlir-opt -convert-func-to-llvm='use-opaque-pointers=1' -reconcile-unrealized-casts %s | FileCheck %s
+// RUN: mlir-opt -convert-func-to-llvm -reconcile-unrealized-casts %s | FileCheck %s
-// RUN: mlir-opt -convert-func-to-llvm='use-bare-ptr-memref-call-conv=1 use-opaque-pointers=1' %s | FileCheck %s --check-prefix=BAREPTR
+// RUN: mlir-opt -convert-func-to-llvm='use-bare-ptr-memref-call-conv=1' %s | FileCheck %s --check-prefix=BAREPTR
// RUN: mlir-opt -transform-interpreter %s | FileCheck %s --check-prefix=BAREPTR
diff --git a/mlir/test/Conversion/FuncToLLVM/func-memref.mlir b/mlir/test/Conversion/FuncToLLVM/func-memref.mlir
index b61287643dca948..d44a07bdcc9ab06 100644
--- a/mlir/test/Conversion/FuncToLLVM/func-memref.mlir
+++ b/mlir/test/Conversion/FuncToLLVM/func-memref.mlir
@@ -1,5 +1,5 @@
-// RUN: mlir-opt -pass-pipeline="builtin.module(func.func(convert-arith-to-llvm),convert-func-to-llvm{use-opaque-pointers=1},reconcile-unrealized-casts)" -split-input-file %s | FileCheck %s
-// RUN: mlir-opt -pass-pipeline="builtin.module(func.func(convert-arith-to-llvm),convert-func-to-llvm{use-bare-ptr-memref-call-conv=1 use-opaque-pointers=1},reconcile-unrealized-casts)" -split-input-file %s | FileCheck %s --check-prefix=BAREPTR
+// RUN: mlir-opt -pass-pipeline="builtin.module(func.func(convert-arith-to-llvm),convert-func-to-llvm,reconcile-unrealized-casts)" -split-input-file %s | FileCheck %s
+// RUN: mlir-opt -pass-pipeline="builtin.module(func.func(convert-arith-to-llvm),convert-func-to-llvm{use-bare-ptr-memref-call-conv=1},reconcile-unrealized-casts)" -split-input-file %s | FileCheck %s --check-prefix=BAREPTR
// BAREPTR-LABEL: func @check_noalias
// BAREPTR-SAME: %{{.*}}: !llvm.ptr {llvm.noalias}, %{{.*}}: !llvm.ptr {llvm.noalias}
diff --git a/mlir/test/Conversion/FuncToLLVM/func-to-llvm.mlir b/mlir/test/Conversion/FuncToLLVM/func-to-llvm.mlir
index 8254e77c8628bdf..9cc6bbf0873abdb 100644
--- a/mlir/test/Conversion/FuncToLLVM/func-to-llvm.mlir
+++ b/mlir/test/Conversion/FuncToLLVM/func-to-llvm.mlir
@@ -1,6 +1,6 @@
-// RUN: mlir-opt -pass-pipeline="builtin.module(func.func(convert-math-to-llvm,convert-arith-to-llvm),convert-func-to-llvm{use-opaque-pointers=1},reconcile-unrealized-casts)" %s | FileCheck %s
+// RUN: mlir-opt -pass-pipeline="builtin.module(func.func(convert-math-to-llvm,convert-arith-to-llvm),convert-func-to-llvm,reconcile-unrealized-casts)" %s | FileCheck %s
-// RUN: mlir-opt -pass-pipeline="builtin.module(func.func(convert-math-to-llvm,convert-arith-to-llvm{index-bitwidth=32}),convert-func-to-llvm{index-bitwidth=32 use-opaque-pointers=1},reconcile-unrealized-casts)" %s | FileCheck --check-prefix=CHECK32 %s
+// RUN: mlir-opt -pass-pipeline="builtin.module(func.func(convert-math-to-llvm,convert-arith-to-llvm{index-bitwidth=32}),convert-func-to-llvm{index-bitwidth=32},reconcile-unrealized-casts)" %s | FileCheck --check-prefix=CHECK32 %s
// RUN: mlir-opt -transform-interpreter %s | FileCheck --check-prefix=CHECK32 %s
diff --git a/mlir/test/Conversion/FuncToLLVM/invalid.mlir b/mlir/test/Conversion/FuncToLLVM/invalid.mlir
index 798d0a8519efeba..e70252ff87ed133 100644
--- a/mlir/test/Conversion/FuncToLLVM/invalid.mlir
+++ b/mlir/test/Conversion/FuncToLLVM/invalid.mlir
@@ -1,4 +1,4 @@
-// RUN: mlir-opt %s -convert-func-to-llvm='use-opaque-pointers=1' -verify-diagnostics -split-input-file
+// RUN: mlir-opt %s -convert-func-to-llvm -verify-diagnostics -split-input-file
// Should not crash on unsupported types in function signatures.
func.func private @unsupported_signature() -> tensor<10 x i32>
diff --git a/mlir/test/Conversion/FuncToLLVM/typed-pointers.mlir b/mlir/test/Conversion/FuncToLLVM/typed-pointers.mlir
deleted file mode 100644
index 7b3b816cc38bb12..000000000000000
--- a/mlir/test/Conversion/FuncToLLVM/typed-pointers.mlir
+++ /dev/null
@@ -1,114 +0,0 @@
-// RUN: mlir-opt -convert-func-to-llvm='use-opaque-pointers=0' -split-input-file %s | FileCheck %s
-
-//CHECK: llvm.func @second_order_arg(!llvm.ptr<func<void ()>>)
-func.func private @second_order_arg(%arg0 : () -> ())
-
-//CHECK: llvm.func @second_order_result() -> !llvm.ptr<func<void ()>>
-func.func private @second_order_result() -> (() -> ())
-
-//CHECK: llvm.func @second_order_multi_result() -> !llvm.struct<(ptr<func<i32 ()>>, ptr<func<i64 ()>>, ptr<func<f32 ()>>)>
-func.func private @second_order_multi_result() -> (() -> (i32), () -> (i64), () -> (f32))
-
-//CHECK: llvm.func @third_order(!llvm.ptr<func<ptr<func<void ()>> (ptr<func<void ()>>)>>) -> !llvm.ptr<func<ptr<func<void ()>> (ptr<func<void ()>>)>>
-func.func private @third_order(%arg0 : (() -> ()) -> (() -> ())) -> ((() -> ()) -> (() -> ()))
-
-//CHECK: llvm.func @fifth_order_left(!llvm.ptr<func<void (ptr<func<void (ptr<func<void (ptr<func<void ()>>)>>)>>)>>)
-func.func private @fifth_order_left(%arg0: (((() -> ()) -> ()) -> ()) -> ())
-
-//CHECK: llvm.func @fifth_order_right(!llvm.ptr<func<ptr<func<ptr<func<ptr<func<void ()>> ()>> ()>> ()>>)
-func.func private @fifth_order_right(%arg0: () -> (() -> (() -> (() -> ()))))
-
-// Check that memrefs are converted to argument packs if appear as function arguments.
-// CHECK: llvm.func @memref_call_conv(!llvm.ptr<f32>, !llvm.ptr<f32>, i64, i64, i64)
-func.func private @memref_call_conv(%arg0: memref<?xf32>)
-
-// Same in nested functions.
-// CHECK: llvm.func @memref_call_conv_nested(!llvm.ptr<func<void (ptr<f32>, ptr<f32>, i64, i64, i64)>>)
-func.func private @memref_call_conv_nested(%arg0: (memref<?xf32>) -> ())
-
-//CHECK-LABEL: llvm.func @pass_through(%arg0: !llvm.ptr<func<void ()>>) -> !llvm.ptr<func<void ()>> {
-func.func @pass_through(%arg0: () -> ()) -> (() -> ()) {
-// CHECK-NEXT: llvm.br ^bb1(%arg0 : !llvm.ptr<func<void ()>>)
- cf.br ^bb1(%arg0 : () -> ())
-
-//CHECK-NEXT: ^bb1(%0: !llvm.ptr<func<void ()>>):
-^bb1(%bbarg: () -> ()):
-// CHECK-NEXT: llvm.return %0 : !llvm.ptr<func<void ()>>
- return %bbarg : () -> ()
-}
-
-// CHECK-LABEL: llvm.func @indirect_call(%arg0: !llvm.ptr<func<i32 (f32)>>, %arg1: f32) -> i32 {
-func.func @indirect_call(%arg0: (f32) -> i32, %arg1: f32) -> i32 {
-// CHECK-NEXT: %0 = llvm.call %arg0(%arg1) : !llvm.ptr<func<i32 (f32)>>, (f32) -> i32
- %0 = call_indirect %arg0(%arg1) : (f32) -> i32
-// CHECK-NEXT: llvm.return %0 : i32
- return %0 : i32
-}
-
-// CHECK-LABEL: llvm.func @get_i64() -> i64
-func.func private @get_i64() -> (i64)
-// CHECK-LABEL: llvm.func @get_f32() -> f32
-func.func private @get_f32() -> (f32)
-// CHECK-LABEL: llvm.func @get_memref() -> !llvm.struct<(ptr<f32>, ptr<f32>, i64, array<4 x i64>, array<4 x i64>)>
-func.func private @get_memref() -> (memref<42x?x10x?xf32>)
-
-// CHECK-LABEL: llvm.func @multireturn() -> !llvm.struct<(i64, f32, struct<(ptr<f32>, ptr<f32>, i64, array<4 x i64>, array<4 x i64>)>)> {
-func.func @multireturn() -> (i64, f32, memref<42x?x10x?xf32>) {
-^bb0:
-// CHECK-NEXT: {{.*}} = llvm.call @get_i64() : () -> i64
-// CHECK-NEXT: {{.*}} = llvm.call @get_f32() : () -> f32
-// CHECK-NEXT: {{.*}} = llvm.call @get_memref() : () -> !llvm.struct<(ptr<f32>, ptr<f32>, i64, array<4 x i64>, array<4 x i64>)>
- %0 = call @get_i64() : () -> (i64)
- %1 = call @get_f32() : () -> (f32)
- %2 = call @get_memref() : () -> (memref<42x?x10x?xf32>)
-// CHECK-NEXT: {{.*}} = llvm.mlir.undef : !llvm.struct<(i64, f32, struct<(ptr<f32>, ptr<f32>, i64, array<4 x i64>, array<4 x i64>)>)>
-// CHECK-NEXT: {{.*}} = llvm.insertvalue {{.*}}, {{.*}}[0] : !llvm.struct<(i64, f32, struct<(ptr<f32>, ptr<f32>, i64, array<4 x i64>, array<4 x i64>)>)>
-// CHECK-NEXT: {{.*}} = llvm.insertvalue {{.*}}, {{.*}}[1] : !llvm.struct<(i64, f32, struct<(ptr<f32>, ptr<f32>, i64, array<4 x i64>, array<4 x i64>)>)>
-// CHECK-NEXT: {{.*}} = llvm.insertvalue {{.*}}, {{.*}}[2] : !llvm.struct<(i64, f32, struct<(ptr<f32>, ptr<f32>, i64, array<4 x i64>, array<4 x i64>)>)>
-// CHECK-NEXT: llvm.return {{.*}} : !llvm.struct<(i64, f32, struct<(ptr<f32>, ptr<f32>, i64, array<4 x i64>, array<4 x i64>)>)>
- return %0, %1, %2 : i64, f32, memref<42x?x10x?xf32>
-}
-
-//===========================================================================//
-// Calling convention on returning unranked memrefs.
-// IR below produced by running -finalize-memref-to-llvm without opaque
-// pointers on calling-convention.mlir
-//===========================================================================//
-
-func.func @return_var_memref(%arg0: memref<4x3xf32>) -> memref<*xf32> attributes {llvm.emit_c_interface} {
- %0 = builtin.unrealized_conversion_cast %arg0 : memref<4x3xf32> to !llvm.struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>
- %1 = llvm.mlir.constant(1 : index) : i64
- %2 = llvm.alloca %1 x !llvm.struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)> : (i64) -> !llvm.ptr<struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>>
- llvm.store %0, %2 : !llvm.ptr<struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>>
- %3 = llvm.bitcast %2 : !llvm.ptr<struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>> to !llvm.ptr<i8>
- %4 = llvm.mlir.constant(2 : index) : i64
- %5 = llvm.mlir.undef : !llvm.struct<(i64, ptr<i8>)>
- %6 = llvm.insertvalue %4, %5[0] : !llvm.struct<(i64, ptr<i8>)>
- %7 = llvm.insertvalue %3, %6[1] : !llvm.struct<(i64, ptr<i8>)>
- %8 = builtin.unrealized_conversion_cast %7 : !llvm.struct<(i64, ptr<i8>)> to memref<*xf32>
- return %8 : memref<*xf32>
-}
-
-// Check that the result memref is passed as parameter
-// CHECK-LABEL: @_mlir_ciface_return_var_memref
-// CHECK-SAME: (%{{.*}}: !llvm.ptr<struct<(i64, ptr<i8>)>>, %{{.*}}: !llvm.ptr<struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>>)
-
-func.func @return_two_var_memref(%arg0: memref<4x3xf32>) -> (memref<*xf32>, memref<*xf32>) attributes {llvm.emit_c_interface} {
- %0 = builtin.unrealized_conversion_cast %arg0 : memref<4x3xf32> to !llvm.struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>
- %1 = llvm.mlir.constant(1 : index) : i64
- %2 = llvm.alloca %1 x !llvm.struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)> : (i64) -> !llvm.ptr<struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>>
- llvm.store %0, %2 : !llvm.ptr<struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>>
- %3 = llvm.bitcast %2 : !llvm.ptr<struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>> to !llvm.ptr<i8>
- %4 = llvm.mlir.constant(2 : index) : i64
- %5 = llvm.mlir.undef : !llvm.struct<(i64, ptr<i8>)>
- %6 = llvm.insertvalue %4, %5[0] : !llvm.struct<(i64, ptr<i8>)>
- %7 = llvm.insertvalue %3, %6[1] : !llvm.struct<(i64, ptr<i8>)>
- %8 = builtin.unrealized_conversion_cast %7 : !llvm.struct<(i64, ptr<i8>)> to memref<*xf32>
- return %8, %8 : memref<*xf32>, memref<*xf32>
-}
-
-// Check that the result memrefs are passed as parameter
-// CHECK-LABEL: @_mlir_ciface_return_two_var_memref
-// CHECK-SAME: (%{{.*}}: !llvm.ptr<struct<(struct<(i64, ptr<i8>)>, struct<(i64, ptr<i8>)>)>>,
-// CHECK-SAME: %{{.*}}: !llvm.ptr<struct<(ptr<f32>, ptr<f32>, i64, array<2 x i64>, array<2 x i64>)>>)
-
diff --git a/mlir/test/lib/Dialect/LLVM/TestLowerToLLVM.cpp b/mlir/test/lib/Dialect/LLVM/TestLowerToLLVM.cpp
index 8d61ec44214f883..b6f89c23e0914d4 100644
--- a/mlir/test/lib/Dialect/LLVM/TestLowerToLLVM.cpp
+++ b/mlir/test/lib/Dialect/LLVM/TestLowerToLLVM.cpp
@@ -79,8 +79,7 @@ void buildTestLowerToLLVM(OpPassManager &pm,
pm.addPass(createFinalizeMemRefToLLVMConversionPass(
enableOpaquePointers(FinalizeMemRefToLLVMConversionPassOptions{})));
// Convert Func to LLVM (always needed).
- pm.addPass(createConvertFuncToLLVMPass(
- enableOpaquePointers(ConvertFuncToLLVMPassOptions{})));
+ pm.addPass(createConvertFuncToLLVMPass(ConvertFuncToLLVMPassOptions{}));
// Convert Index to LLVM (always needed).
pm.addPass(createConvertIndexToLLVMPass());
// Convert remaining unrealized_casts (always needed).
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