1; RUN: llc %s -stop-after=livedebugvalues -o - | FileCheck --check-prefix=SANITY %s 2; RUN: llc < %s -filetype=obj | llvm-dwarfdump - | FileCheck %s 3; Test debug_loc support for floating point constants. 4; 5; Created from clang -O1: 6; void barrier(); 7; void foo() { 8; float f; 9; long double ld; 10; barrier(); 11; f = 3.14; 12; ld = 3.14; 13; barrier(); 14; } 15; 16; SANITY: CALL{{.*}} @barrier 17; SANITY: DBG_VALUE x86_fp80 0xK4000C8F5C28F5C28F800 18; SANITY: DBG_VALUE float 0x40091EB860000000 19; SANITY: TAILJMP{{.*}} @barrier 20; 21; CHECK: .debug_info contents: 22; CHECK: DW_TAG_variable 23; CHECK-NEXT: DW_AT_location {{.*}} (0x[[LD:.*]]) 24; CHECK-NEXT: DW_AT_name {{.*}}"ld" 25; CHECK: DW_TAG_variable 26; CHECK-NEXT: DW_AT_location {{.*}} (0x[[F:.*]]) 27; CHECK-NEXT: DW_AT_name {{.*}}"f" 28; 29; CHECK: .debug_loc contents: 30; CHECK: [[LD]]: Beginning address offset: [[START:.*]] 31; CHECK: Ending address offset: [[END:.*]] 32; CHECK: Location description: 10 80 f0 a3 e1 f5 d1 f0 fa c8 01 93 08 10 80 80 01 9d 10 40 33; constu 0xc8f5c28f5c28f800, piece 8, constu 0x00004000, bit-piece 16 64 34; CHECK: [[F]]: Beginning address offset: [[START]] 35; CHECK: Ending address offset: [[END]] 36; CHECK: Location description: 10 c3 eb a3 82 04 37; constu ... 38source_filename = "test.c" 39target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 40target triple = "x86_64-apple-macosx10.11.0" 41 42; Function Attrs: nounwind ssp uwtable 43define void @foo() #0 !dbg !4 { 44entry: 45 tail call void (...) @barrier() #3, !dbg !16 46 tail call void @llvm.dbg.value(metadata float 0x40091EB860000000, i64 0, metadata !8, metadata !17), !dbg !18 47 tail call void @llvm.dbg.value(metadata x86_fp80 0xK4000C8F5C28F5C28F800, i64 0, metadata !10, metadata !17), !dbg !19 48 tail call void (...) @barrier() #3, !dbg !20 49 ret void, !dbg !21 50} 51 52declare void @barrier(...) 53 54; Function Attrs: nounwind readnone 55declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #2 56 57attributes #0 = { nounwind ssp uwtable } 58attributes #2 = { nounwind readnone } 59attributes #3 = { nounwind } 60 61!llvm.dbg.cu = !{!0} 62!llvm.module.flags = !{!12, !13, !14} 63!llvm.ident = !{!15} 64 65!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 (trunk 265328) (llvm/trunk 265330)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) 66!1 = !DIFile(filename: "test.c", directory: "/Volumes/Data/radar/25448338") 67!2 = !{} 68!4 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 3, type: !5, isLocal: false, isDefinition: true, scopeLine: 4, isOptimized: true, unit: !0, variables: !7) 69!5 = !DISubroutineType(types: !6) 70!6 = !{null} 71!7 = !{!8, !10} 72!8 = !DILocalVariable(name: "f", scope: !4, file: !1, line: 5, type: !9) 73!9 = !DIBasicType(name: "float", size: 32, align: 32, encoding: DW_ATE_float) 74!10 = !DILocalVariable(name: "ld", scope: !4, file: !1, line: 6, type: !11) 75!11 = !DIBasicType(name: "long double", size: 128, align: 128, encoding: DW_ATE_float) 76!12 = !{i32 2, !"Dwarf Version", i32 2} 77!13 = !{i32 2, !"Debug Info Version", i32 3} 78!14 = !{i32 1, !"PIC Level", i32 2} 79!15 = !{!"clang version 3.9.0 (trunk 265328) (llvm/trunk 265330)"} 80!16 = !DILocation(line: 7, column: 3, scope: !4) 81!17 = !DIExpression() 82!18 = !DILocation(line: 5, column: 9, scope: !4) 83!19 = !DILocation(line: 6, column: 15, scope: !4) 84!20 = !DILocation(line: 10, column: 3, scope: !4) 85!21 = !DILocation(line: 11, column: 1, scope: !4) 86