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1// RUN: mlir-translate -mlir-to-llvmir -split-input-file %s | FileCheck %s2 3llvm.func @foo(%arg0: !llvm.ptr)4 5#alias_scope_domain = #llvm.alias_scope_domain<id = distinct[0]<>, description = "The domain">6#alias_scope1 = #llvm.alias_scope<id = distinct[1]<>, domain = #alias_scope_domain, description = "The first scope">7#alias_scope2 = #llvm.alias_scope<id = distinct[2]<>, domain = #alias_scope_domain>8#alias_scope3 = #llvm.alias_scope<id = distinct[3]<>, domain = #alias_scope_domain>9 10// CHECK-LABEL: @alias_scopes11llvm.func @alias_scopes(%arg1 : !llvm.ptr) {12 %0 = llvm.mlir.constant(0 : i32) : i3213 // CHECK: call void @llvm.experimental.noalias.scope.decl(metadata ![[SCOPES1:[0-9]+]])14 llvm.intr.experimental.noalias.scope.decl #alias_scope115 // CHECK: store {{.*}}, !alias.scope ![[SCOPES1]], !noalias ![[SCOPES23:[0-9]+]]16 llvm.store %0, %arg1 {alias_scopes = [#alias_scope1], noalias_scopes = [#alias_scope2, #alias_scope3]} : i32, !llvm.ptr17 // CHECK: load {{.*}}, !alias.scope ![[SCOPES2:[0-9]+]], !noalias ![[SCOPES13:[0-9]+]]18 %1 = llvm.load %arg1 {alias_scopes = [#alias_scope2], noalias_scopes = [#alias_scope1, #alias_scope3]} : !llvm.ptr -> i3219 // CHECK: atomicrmw {{.*}}, !alias.scope ![[SCOPES3:[0-9]+]], !noalias ![[SCOPES12:[0-9]+]]20 %2 = llvm.atomicrmw add %arg1, %0 monotonic {alias_scopes = [#alias_scope3], noalias_scopes = [#alias_scope1, #alias_scope2]} : !llvm.ptr, i3221 // CHECK: cmpxchg {{.*}}, !alias.scope ![[SCOPES3]]22 %3 = llvm.cmpxchg %arg1, %1, %2 acq_rel monotonic {alias_scopes = [#alias_scope3]} : !llvm.ptr, i3223 %5 = llvm.mlir.constant(42 : i8) : i824 // CHECK: llvm.memcpy{{.*}}, !alias.scope ![[SCOPES3]]25 "llvm.intr.memcpy"(%arg1, %arg1, %0) <{isVolatile = false}> {alias_scopes = [#alias_scope3]} : (!llvm.ptr, !llvm.ptr, i32) -> ()26 // CHECK: llvm.memset{{.*}}, !noalias ![[SCOPES3]]27 "llvm.intr.memset"(%arg1, %5, %0) <{isVolatile = false}> {noalias_scopes = [#alias_scope3]} : (!llvm.ptr, i8, i32) -> ()28 // CHECK: call void @foo({{.*}} !alias.scope ![[SCOPES3]]29 llvm.call @foo(%arg1) {alias_scopes = [#alias_scope3]} : (!llvm.ptr) -> ()30 // CHECK: call void @foo({{.*}} !noalias ![[SCOPES3]]31 llvm.call @foo(%arg1) {noalias_scopes = [#alias_scope3]} : (!llvm.ptr) -> ()32 llvm.return33}34 35// Check the intrinsic declarations.36// CHECK-DAG: declare void @llvm.experimental.noalias.scope.decl(metadata)37// CHECK-DAG: declare void @llvm.memcpy.p0.p0.i32(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i32, i1 immarg)38// CHECK-DAG: declare void @llvm.memset.p0.i32(ptr writeonly captures(none), i8, i32, i1 immarg)39 40// Check the translated metadata.41// CHECK-DAG: ![[DOMAIN:[0-9]+]] = distinct !{![[DOMAIN]], !"The domain"}42// CHECK-DAG: ![[SCOPE1:[0-9]+]] = distinct !{![[SCOPE1]], ![[DOMAIN]], !"The first scope"}43// CHECK-DAG: ![[SCOPE2:[0-9]+]] = distinct !{![[SCOPE2]], ![[DOMAIN]]}44// CHECK-DAG: ![[SCOPE3:[0-9]+]] = distinct !{![[SCOPE3]], ![[DOMAIN]]}45// CHECK-DAG: ![[SCOPES1]] = !{![[SCOPE1]]}46// CHECK-DAG: ![[SCOPES2]] = !{![[SCOPE2]]}47// CHECK-DAG: ![[SCOPES3]] = !{![[SCOPE3]]}48// CHECK-DAG: ![[SCOPES12]] = !{![[SCOPE1]], ![[SCOPE2]]}49// CHECK-DAG: ![[SCOPES13]] = !{![[SCOPE1]], ![[SCOPE3]]}50// CHECK-DAG: ![[SCOPES23]] = !{![[SCOPE2]], ![[SCOPE3]]}51 52// -----53 54// This test verifies the noalias scope intrinsice can be translated in55// isolation. It is the only operation using alias scopes attributes without56// implementing AliasAnalysisOpInterface.57 58#alias_scope_domain = #llvm.alias_scope_domain<id = distinct[0]<>, description = "The domain">59#alias_scope1 = #llvm.alias_scope<id = distinct[1]<>, domain = #alias_scope_domain>60 61// CHECK-LABEL: @noalias_intr_only62llvm.func @noalias_intr_only() {63 // CHECK: call void @llvm.experimental.noalias.scope.decl(metadata ![[SCOPES:[0-9]+]])64 llvm.intr.experimental.noalias.scope.decl #alias_scope165 llvm.return66}67 68// Check the translated metadata.69// CHECK-DAG: ![[DOMAIN:[0-9]+]] = distinct !{![[DOMAIN]], !"The domain"}70// CHECK-DAG: ![[SCOPE:[0-9]+]] = distinct !{![[SCOPE]], ![[DOMAIN]]}71// CHECK-DAG: ![[SCOPES]] = !{![[SCOPE]]}72 73// -----74 75// This test ensures the alias scope translation creates a temporary metadata76// node as a placeholder for self-references. Without this, the debug info77// translation of a type list with a null entry could inadvertently reference78// access group metadata. This occurs when both translations generate a metadata79// list with a null entry, which are then uniqued to the same metadata node.80// The access group translation subsequently updates the null entry to a81// self-reference, which causes the type list to reference the access82// group node as well. The use of a temporary placeholder node avoids the issue.83 84#alias_scope_domain = #llvm.alias_scope_domain<id = distinct[0]<>>85#alias_scope = #llvm.alias_scope<id = distinct[1]<>, domain = #alias_scope_domain>86 87#di_null_type = #llvm.di_null_type88#di_subroutine_type = #llvm.di_subroutine_type<types = #di_null_type>89#di_file = #llvm.di_file<"attribute-alias-scope.mlir" in "">90#di_compile_unit = #llvm.di_compile_unit<id = distinct[3]<>, sourceLanguage = DW_LANG_C11, file = #di_file, isOptimized = true, emissionKind = Full>91#di_subprogram = #llvm.di_subprogram<id = distinct[2]<>, compileUnit = #di_compile_unit, scope = #di_file, file = #di_file, subprogramFlags = "Definition", type = #di_subroutine_type>92 93// CHECK-LABEL: @self_reference94llvm.func @self_reference() {95 // CHECK: call void @llvm.experimental.noalias.scope.decl(metadata ![[SCOPES:[0-9]+]])96 llvm.intr.experimental.noalias.scope.decl #alias_scope97 llvm.return98} loc(fused<#di_subprogram>[unknown])99 100// Check that the translated subroutine types do not reference the access group101// domain since both of them are created as metadata list with a null entry.102// CHECK-DAG: ![[DOMAIN:[0-9]+]] = distinct !{![[DOMAIN]]}103// CHECK-DAG: ![[SCOPE:[0-9]+]] = distinct !{![[SCOPE]], ![[DOMAIN]]}104// CHECK-DAG: ![[SCOPES]] = !{![[SCOPE]]}105// CHECK-DAG: = !DISubroutineType(types: ![[TYPES:[0-9]+]])106// CHECK-DAG: ![[TYPES]] = !{null}107 108// -----109 110llvm.func @foo(%arg0: !llvm.ptr)111 112#alias_scope_domain = #llvm.alias_scope_domain<id = "domain1", description = "The domain">113#alias_scope1 = #llvm.alias_scope<id = "scope1", domain = #alias_scope_domain, description = "The first scope">114#alias_scope2 = #llvm.alias_scope<id = "scope2", domain = #alias_scope_domain>115#alias_scope3 = #llvm.alias_scope<id = "scope3", domain = #alias_scope_domain>116 117// CHECK-LABEL: @alias_scopes118llvm.func @alias_scopes(%arg1 : !llvm.ptr) {119 %0 = llvm.mlir.constant(0 : i32) : i32120 // CHECK: call void @llvm.experimental.noalias.scope.decl(metadata ![[SCOPES1:[0-9]+]])121 llvm.intr.experimental.noalias.scope.decl #alias_scope1122 // CHECK: store {{.*}}, !alias.scope ![[SCOPES1]], !noalias ![[SCOPES23:[0-9]+]]123 llvm.store %0, %arg1 {alias_scopes = [#alias_scope1], noalias_scopes = [#alias_scope2, #alias_scope3]} : i32, !llvm.ptr124 // CHECK: load {{.*}}, !alias.scope ![[SCOPES2:[0-9]+]], !noalias ![[SCOPES13:[0-9]+]]125 %1 = llvm.load %arg1 {alias_scopes = [#alias_scope2], noalias_scopes = [#alias_scope1, #alias_scope3]} : !llvm.ptr -> i32126 // CHECK: atomicrmw {{.*}}, !alias.scope ![[SCOPES3:[0-9]+]], !noalias ![[SCOPES12:[0-9]+]]127 %2 = llvm.atomicrmw add %arg1, %0 monotonic {alias_scopes = [#alias_scope3], noalias_scopes = [#alias_scope1, #alias_scope2]} : !llvm.ptr, i32128 // CHECK: cmpxchg {{.*}}, !alias.scope ![[SCOPES3]]129 %3 = llvm.cmpxchg %arg1, %1, %2 acq_rel monotonic {alias_scopes = [#alias_scope3]} : !llvm.ptr, i32130 %5 = llvm.mlir.constant(42 : i8) : i8131 // CHECK: llvm.memcpy{{.*}}, !alias.scope ![[SCOPES3]]132 "llvm.intr.memcpy"(%arg1, %arg1, %0) <{isVolatile = false}> {alias_scopes = [#alias_scope3]} : (!llvm.ptr, !llvm.ptr, i32) -> ()133 // CHECK: llvm.memset{{.*}}, !noalias ![[SCOPES3]]134 "llvm.intr.memset"(%arg1, %5, %0) <{isVolatile = false}> {noalias_scopes = [#alias_scope3]} : (!llvm.ptr, i8, i32) -> ()135 // CHECK: call void @foo({{.*}} !alias.scope ![[SCOPES3]]136 llvm.call @foo(%arg1) {alias_scopes = [#alias_scope3]} : (!llvm.ptr) -> ()137 // CHECK: call void @foo({{.*}} !noalias ![[SCOPES3]]138 llvm.call @foo(%arg1) {noalias_scopes = [#alias_scope3]} : (!llvm.ptr) -> ()139 llvm.return140}141 142// Check the intrinsic declarations.143// CHECK-DAG: declare void @llvm.experimental.noalias.scope.decl(metadata)144// CHECK-DAG: declare void @llvm.memcpy.p0.p0.i32(ptr noalias writeonly captures(none), ptr noalias readonly captures(none), i32, i1 immarg)145// CHECK-DAG: declare void @llvm.memset.p0.i32(ptr writeonly captures(none), i8, i32, i1 immarg)146 147// Check the translated metadata.148// CHECK-DAG: ![[DOMAIN:[0-9]+]] = !{!"domain1", !"The domain"}149// CHECK-DAG: ![[SCOPE1:[0-9]+]] = !{!"scope1", ![[DOMAIN]], !"The first scope"}150// CHECK-DAG: ![[SCOPE2:[0-9]+]] = !{!"scope2", ![[DOMAIN]]}151// CHECK-DAG: ![[SCOPE3:[0-9]+]] = !{!"scope3", ![[DOMAIN]]}152// CHECK-DAG: ![[SCOPES1]] = !{![[SCOPE1]]}153// CHECK-DAG: ![[SCOPES2]] = !{![[SCOPE2]]}154// CHECK-DAG: ![[SCOPES3]] = !{![[SCOPE3]]}155// CHECK-DAG: ![[SCOPES12]] = !{![[SCOPE1]], ![[SCOPE2]]}156// CHECK-DAG: ![[SCOPES13]] = !{![[SCOPE1]], ![[SCOPE3]]}157// CHECK-DAG: ![[SCOPES23]] = !{![[SCOPE2]], ![[SCOPE3]]}158