1 ; RUN: llc -filetype=obj -o %t.o %s 2 ; RUN: llvm-dwarfdump -v %t.o | FileCheck %s 3 4 ; Testcase generated using 'clang -g -O2 -S -emit-llvm' from the following: 5 ;; void sink(void); 6 ;; static __attribute__((always_inline)) void bar(int a) { sink(); } 7 ;; void foo(void) { 8 ;; bar(0); 9 ;; bar(0); 10 ;; } 11 12 ; Check that we have formal parameters for 'a' in both inlined subroutines. 13 ; CHECK: .debug_info 14 ; CHECK: DW_TAG_inlined_subroutine 15 ; CHECK-NEXT: DW_AT_abstract_origin {{.*}} "bar" 16 ; CHECK: DW_TAG_formal_parameter 17 ; CHECK-NEXT: DW_AT_const_value 18 ; CHECK-NEXT: DW_AT_abstract_origin {{.*}} "a" 19 ; CHECK: DW_TAG_inlined_subroutine 20 ; CHECK-NEXT: DW_AT_abstract_origin {{.*}} "bar" 21 ; CHECK: DW_TAG_formal_parameter 22 ; CHECK-NEXT: DW_AT_location [DW_FORM_data4] ( 23 ; CHECK-NEXT: [{{.*}}, {{.*}}): DW_OP_consts +0) 24 ; CHECK-NEXT: DW_AT_abstract_origin {{.*}} "a" 25 26 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 27 target triple = "x86_64-apple-darwin" 28 29 ; Function Attrs: nounwind ssp uwtable 30 define void @foo() #0 !dbg !4 { 31 entry: 32 tail call void @llvm.dbg.value(metadata i32 0, metadata !12, metadata !17) #3, !dbg !18 33 tail call void @sink() #3, !dbg !20 34 tail call void @llvm.dbg.value(metadata i32 0, metadata !12, metadata !17) #3, !dbg !21 35 tail call void @sink() #3, !dbg !23 36 ret void, !dbg !24 37 } 38 39 declare void @sink() 40 41 ; Function Attrs: nounwind readnone 42 declare void @llvm.dbg.value(metadata, metadata, metadata) #2 43 44 attributes #0 = { nounwind ssp uwtable } 45 attributes #2 = { nounwind readnone } 46 attributes #3 = { nounwind } 47 48 !llvm.dbg.cu = !{!0} 49 !llvm.module.flags = !{!13, !14, !15} 50 !llvm.ident = !{!16} 51 52 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.7.0 (trunk 235110) (llvm/trunk 235108)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !2, imports: !2) 53 !1 = !DIFile(filename: "t.c", directory: "/path/to/dir") 54 !2 = !{} 55 !4 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 3, type: !5, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !2) 56 !5 = !DISubroutineType(types: !6) 57 !6 = !{null} 58 !7 = distinct !DISubprogram(name: "bar", scope: !1, file: !1, line: 2, type: !8, isLocal: true, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !11) 59 !8 = !DISubroutineType(types: !9) 60 !9 = !{null, !10} 61 !10 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 62 !11 = !{!12} 63 !12 = !DILocalVariable(name: "a", arg: 1, scope: !7, file: !1, line: 2, type: !10) 64 !13 = !{i32 2, !"Dwarf Version", i32 2} 65 !14 = !{i32 2, !"Debug Info Version", i32 3} 66 !15 = !{i32 1, !"PIC Level", i32 2} 67 !16 = !{!"clang version 3.7.0 (trunk 235110) (llvm/trunk 235108)"} 68 !17 = !DIExpression() 69 !18 = !DILocation(line: 2, column: 52, scope: !7, inlinedAt: !19) 70 !19 = distinct !DILocation(line: 4, column: 3, scope: !4) 71 !20 = !DILocation(line: 2, column: 57, scope: !7, inlinedAt: !19) 72 !21 = !DILocation(line: 2, column: 52, scope: !7, inlinedAt: !22) 73 !22 = distinct !DILocation(line: 5, column: 3, scope: !4) 74 !23 = !DILocation(line: 2, column: 57, scope: !7, inlinedAt: !22) 75 !24 = !DILocation(line: 6, column: 1, scope: !4) 76
