1; RUN: %llc_dwarf -O0 -filetype=obj -o %t.o %s 2; RUN: llvm-dwarfdump -v -debug-info %t.o | FileCheck %s 3target datalayout = "e-m:o-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64" 4target triple = "thumbv7-apple-unknown-macho" 5 6; generated from (-triple thumbv7-apple-unknown-macho -Os): 7; void f(_Complex double c) { c = 0; } 8 9; Function Attrs: nounwind readnone 10define arm_aapcscc void @f([2 x i64] %c.coerce) #0 !dbg !4 { 11entry: 12 tail call void @llvm.dbg.declare(metadata { double, double }* undef, metadata !14, metadata !15), !dbg !16 13 ; The target has no native double type. 14 ; SROA split the complex value into two i64 values. 15 ; CHECK: DW_TAG_formal_parameter 16 ; CHECK-NEXT: DW_AT_location [DW_FORM_block1] (DW_OP_lit0, DW_OP_piece 0x8) 17 ; CHECK-NEXT: DW_AT_name {{.*}} "c" 18 tail call void @llvm.dbg.value(metadata i64 0, metadata !14, metadata !17), !dbg !16 19 ; Manually removed to disable location list emission: 20 ; tail call void @llvm.dbg.value(metadata i64 0, metadata !14, metadata !18), !dbg !16 21 ret void, !dbg !19 22} 23 24; Function Attrs: nounwind readnone 25declare void @llvm.dbg.declare(metadata, metadata, metadata) #0 26 27; Function Attrs: nounwind readnone 28declare void @llvm.dbg.value(metadata, metadata, metadata) #0 29 30attributes #0 = { nounwind readnone } 31 32!llvm.dbg.cu = !{!0} 33!llvm.module.flags = !{!9, !10, !11, !12} 34!llvm.ident = !{!13} 35 36!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) 37!1 = !DIFile(filename: "<stdin>", directory: "/") 38!2 = !{} 39!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, retainedNodes: !2) 40!5 = !DIFile(filename: "test.c", directory: "/") 41!6 = !DISubroutineType(types: !7) 42!7 = !{null, !8} 43!8 = !DIBasicType(name: "complex", size: 128, align: 64, encoding: DW_ATE_complex_float) 44!9 = !{i32 2, !"Dwarf Version", i32 2} 45!10 = !{i32 2, !"Debug Info Version", i32 3} 46!11 = !{i32 1, !"wchar_size", i32 4} 47!12 = !{i32 1, !"min_enum_size", i32 4} 48!13 = !{!"clang version 3.9.0 (trunk 259998) (llvm/trunk 259999)"} 49!14 = !DILocalVariable(name: "c", arg: 1, scope: !4, file: !5, line: 1, type: !8) 50!15 = !DIExpression() 51!16 = !DILocation(line: 1, column: 24, scope: !4) 52!17 = !DIExpression(DW_OP_LLVM_fragment, 0, 64) 53!18 = !DIExpression(DW_OP_LLVM_fragment, 64, 64) 54!19 = !DILocation(line: 1, column: 36, scope: !4) 55