1 ; RUN: %llc_dwarf -O0 -filetype=obj -o %t.o %s 2 ; RUN: llvm-dwarfdump -debug-dump=info %t.o | FileCheck %s 3 ; REQUIRES: object-emission 4 target datalayout = "e-m:o-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64" 5 target triple = "thumbv7-apple-unknown-macho" 6 7 ; generated from (-triple thumbv7-apple-unknown-macho -Os): 8 ; void f(_Complex double c) { c = 0; } 9 10 ; Function Attrs: nounwind readnone 11 define arm_aapcscc void @f([2 x i64] %c.coerce) #0 !dbg !4 { 12 entry: 13 tail call void @llvm.dbg.declare(metadata { double, double }* undef, metadata !14, metadata !15), !dbg !16 14 ; The target has no native double type. 15 ; SROA split the complex value into two i64 values. 16 ; CHECK: DW_TAG_formal_parameter 17 ; CHECK-NEXT: DW_AT_location [DW_FORM_block1] (<0x04> 10 00 93 08 ) 18 ; DW_AT_location ( constu 0x00000000, piece 0x00000008 ) 19 ; CHECK-NEXT: DW_AT_name {{.*}} "c" 20 tail call void @llvm.dbg.value(metadata i64 0, i64 0, metadata !14, metadata !17), !dbg !16 21 ; Manually removed to disable location list emission: 22 ; tail call void @llvm.dbg.value(metadata i64 0, i64 0, metadata !14, metadata !18), !dbg !16 23 ret void, !dbg !19 24 } 25 26 ; Function Attrs: nounwind readnone 27 declare void @llvm.dbg.declare(metadata, metadata, metadata) #0 28 29 ; Function Attrs: nounwind readnone 30 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #0 31 32 attributes #0 = { nounwind readnone } 33 34 !llvm.dbg.cu = !{!0} 35 !llvm.module.flags = !{!9, !10, !11, !12} 36 !llvm.ident = !{!13} 37 38 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 (trunk 259998) (llvm/trunk 259999)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) 39 !1 = !DIFile(filename: "<stdin>", directory: "/") 40 !2 = !{} 41 !4 = distinct !DISubprogram(name: "f", scope: !5, file: !5, line: 1, type: !6, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2) 42 !5 = !DIFile(filename: "test.c", directory: "/") 43 !6 = !DISubroutineType(types: !7) 44 !7 = !{null, !8} 45 !8 = !DIBasicType(name: "complex", size: 128, align: 64, encoding: DW_ATE_complex_float) 46 !9 = !{i32 2, !"Dwarf Version", i32 2} 47 !10 = !{i32 2, !"Debug Info Version", i32 3} 48 !11 = !{i32 1, !"wchar_size", i32 4} 49 !12 = !{i32 1, !"min_enum_size", i32 4} 50 !13 = !{!"clang version 3.9.0 (trunk 259998) (llvm/trunk 259999)"} 51 !14 = !DILocalVariable(name: "c", arg: 1, scope: !4, file: !5, line: 1, type: !8) 52 !15 = !DIExpression() 53 !16 = !DILocation(line: 1, column: 24, scope: !4) 54 !17 = !DIExpression(DW_OP_bit_piece, 0, 64) 55 !18 = !DIExpression(DW_OP_bit_piece, 64, 64) 56 !19 = !DILocation(line: 1, column: 36, scope: !4) 57
