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// RUN: mlir-opt %s --pass-pipeline="builtin.module(llvm.func(ensure-debug-info-scope-on-llvm-func))" --split-input-file --mlir-print-debuginfo | FileCheck %s
// CHECK-LABEL: llvm.func @func_no_debug()
// CHECK: llvm.return loc(#loc
// CHECK: loc(#loc[[LOC:[0-9]+]])
// CHECK: #di_file = #llvm.di_file<"<unknown>" in "">
// CHECK: #di_subprogram = #llvm.di_subprogram<compileUnit = #di_compile_unit, scope = #di_file, name = "func_no_debug", linkageName = "func_no_debug", file = #di_file, line = 1, scopeLine = 1, subprogramFlags = "Definition|Optimized", type = #di_subroutine_type>
// CHECK: #loc[[LOC]] = loc(fused<#di_subprogram>
llvm.func @func_no_debug() {
llvm.return loc(unknown)
} loc(unknown)
// -----
// Test that existing debug info is not overwritten.
// CHECK-LABEL: llvm.func @func_with_debug()
// CHECK: llvm.return loc(#loc
// CHECK: loc(#loc[[LOC:[0-9]+]])
// CHECK: #di_file = #llvm.di_file<"<unknown>" in "">
// CHECK: #di_subprogram = #llvm.di_subprogram<compileUnit = #di_compile_unit, scope = #di_file, name = "func_with_debug", linkageName = "func_with_debug", file = #di_file, line = 42, scopeLine = 42, subprogramFlags = "Definition|Optimized", type = #di_subroutine_type>
// CHECK: #loc[[LOC]] = loc(fused<#di_subprogram>
module {
llvm.func @func_with_debug() {
llvm.return loc(#loc1)
} loc(#loc2)
} loc(#loc)
#di_file = #llvm.di_file<"<unknown>" in "">
#di_subroutine_type = #llvm.di_subroutine_type<callingConvention = DW_CC_normal>
#loc = loc("foo":0:0)
#loc1 = loc(unknown)
#di_compile_unit = #llvm.di_compile_unit<sourceLanguage = DW_LANG_C, file = #di_file, producer = "MLIR", isOptimized = true, emissionKind = LineTablesOnly>
#di_subprogram = #llvm.di_subprogram<compileUnit = #di_compile_unit, scope = #di_file, name = "func_with_debug", linkageName = "func_with_debug", file = #di_file, line = 42, scopeLine = 42, subprogramFlags = "Definition|Optimized", type = #di_subroutine_type>
#loc2 = loc(fused<#di_subprogram>[#loc1])
// -----
// Test that a compile unit present on a module op is used for the function.
// CHECK-LABEL: llvm.func @propagate_compile_unit()
// CHECK: llvm.return loc(#loc
// CHECK: loc(#loc[[FUNCLOC:[0-9]+]])
// CHECK: loc(#loc[[MODULELOC:[0-9]+]])
// CHECK-DAG: #[[DI_FILE_MODULE:.+]] = #llvm.di_file<"bar.mlir" in "baz">
// CHECK-DAG: #[[DI_FILE_FUNC:.+]] = #llvm.di_file<"file.mlir" in "">
// CHECK-DAG: #loc[[FUNCFILELOC:[0-9]+]] = loc("file.mlir":9:8)
// CHECK-DAG: #di_compile_unit = #llvm.di_compile_unit<sourceLanguage = DW_LANG_C, file = #[[DI_FILE_MODULE]], producer = "MLIR", isOptimized = true, emissionKind = LineTablesOnly>
// CHECK-DAG: #di_subprogram = #llvm.di_subprogram<compileUnit = #di_compile_unit, scope = #[[DI_FILE_FUNC]], name = "propagate_compile_unit", linkageName = "propagate_compile_unit", file = #[[DI_FILE_FUNC]], line = 9, scopeLine = 8, subprogramFlags = "Definition|Optimized", type = #di_subroutine_type>
// CHECK-DAG: #loc[[MODULELOC]] = loc(fused<#di_compile_unit>[#loc])
// CHECK-DAG: #loc[[FUNCLOC]] = loc(fused<#di_subprogram>[#loc[[FUNCFILELOC]]
module {
llvm.func @propagate_compile_unit() {
llvm.return loc(unknown)
} loc("file.mlir":9:8)
} loc(#loc)
#di_file = #llvm.di_file<"bar.mlir" in "baz">
#di_compile_unit = #llvm.di_compile_unit<sourceLanguage = DW_LANG_C, file = #di_file, producer = "MLIR", isOptimized = true, emissionKind = LineTablesOnly>
#loc = loc(fused<#di_compile_unit>["foo.mlir":2:1])
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