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1// RUN: mlir-opt -convert-func-to-llvm -convert-cf-to-llvm -reconcile-unrealized-casts -split-input-file -verify-diagnostics %s | FileCheck %s2 3//CHECK: llvm.func @second_order_arg(!llvm.ptr)4func.func private @second_order_arg(%arg0 : () -> ())5 6//CHECK: llvm.func @second_order_result() -> !llvm.ptr7func.func private @second_order_result() -> (() -> ())8 9//CHECK: llvm.func @second_order_multi_result() -> !llvm.struct<(ptr, ptr, ptr)>10func.func private @second_order_multi_result() -> (() -> (i32), () -> (i64), () -> (f32))11 12// Check that memrefs are converted to argument packs if appear as function arguments.13// CHECK: llvm.func @memref_call_conv(!llvm.ptr, !llvm.ptr, i64, i64, i64)14func.func private @memref_call_conv(%arg0: memref<?xf32>)15 16// Same in nested functions.17// CHECK: llvm.func @memref_call_conv_nested(!llvm.ptr)18func.func private @memref_call_conv_nested(%arg0: (memref<?xf32>) -> ())19 20//CHECK-LABEL: llvm.func @pass_through(%arg0: !llvm.ptr) -> !llvm.ptr {21func.func @pass_through(%arg0: () -> ()) -> (() -> ()) {22// CHECK-NEXT: llvm.br ^bb1(%arg0 : !llvm.ptr)23 cf.br ^bb1(%arg0 : () -> ())24 25//CHECK-NEXT: ^bb1(%0: !llvm.ptr):26^bb1(%bbarg: () -> ()):27// CHECK-NEXT: llvm.return %0 : !llvm.ptr28 return %bbarg : () -> ()29}30 31// CHECK-LABEL: llvm.func extern_weak @llvmlinkage(i32)32func.func private @llvmlinkage(i32) attributes { "llvm.linkage" = #llvm.linkage<extern_weak> }33 34// CHECK-LABEL: llvm.func @llvmreadnone(i32)35// CHECK-SAME: memory_effects = #llvm.memory_effects<other = none, argMem = none, inaccessibleMem = none, errnoMem = none, targetMem0 = none, targetMem1 = none>36func.func private @llvmreadnone(i32) attributes { llvm.readnone }37 38// CHECK-LABEL: llvm.func @body(i32)39func.func private @body(i32)40 41// CHECK-LABEL: llvm.func @indirect_const_call42// CHECK-SAME: (%[[ARG0:.*]]: i32) {43func.func @indirect_const_call(%arg0: i32) {44// CHECK-NEXT: %[[ADDR:.*]] = llvm.mlir.addressof @body : !llvm.ptr45 %0 = constant @body : (i32) -> ()46// CHECK-NEXT: llvm.call %[[ADDR]](%[[ARG0:.*]]) : !llvm.ptr, (i32) -> ()47 call_indirect %0(%arg0) : (i32) -> ()48// CHECK-NEXT: llvm.return49 return50}51 52// CHECK-LABEL: llvm.func @indirect_call(%arg0: !llvm.ptr, %arg1: f32) -> i32 {53func.func @indirect_call(%arg0: (f32) -> i32, %arg1: f32) -> i32 {54// CHECK-NEXT: %0 = llvm.call %arg0(%arg1) : !llvm.ptr, (f32) -> i3255 %0 = call_indirect %arg0(%arg1) : (f32) -> i3256// CHECK-NEXT: llvm.return %0 : i3257 return %0 : i3258}59 60func.func @variadic_func(%arg0: i32) attributes { "func.varargs" = true } {61 return62}63 64// CHECK-LABEL: llvm.func @target_cpu()65// CHECK-SAME: target_cpu = "gfx90a"66func.func private @target_cpu() attributes { "target_cpu" = "gfx90a" }67 68// CHECK-LABEL: llvm.func @target_features()69// CHECK-SAME: target_features = #llvm.target_features<["+sme", "+sve"]>70func.func private @target_features() attributes {71 "target_features" = #llvm.target_features<["+sme", "+sve"]>72}73 74// -----75 76// CHECK-LABEL: llvm.func @private_callee77// CHECK-SAME: sym_visibility = "private"78func.func private @private_callee(%arg1: f32) -> i32 {79 %0 = arith.constant 0 : i3280 return %0 : i3281}82 83// CHECK-LABEL: llvm.func @caller_private_callee84func.func @caller_private_callee(%arg1: f32) -> i32 {85 %0 = call @private_callee(%arg1) : (f32) -> i3286 return %0 : i3287}88 89// -----90 91func.func private @badllvmlinkage(i32) attributes { "llvm.linkage" = 3 : i64 } // expected-error {{Contains llvm.linkage attribute not of type LLVM::LinkageAttr}}92 93// -----94 95// expected-error@+1{{C interface for variadic functions is not supported yet.}}96func.func @variadic_func(%arg0: i32) attributes { "func.varargs" = true, "llvm.emit_c_interface" } {97 return98}99