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 ... 38 source_filename = "test.c" 39 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 40 target triple = "x86_64-apple-macosx10.11.0" 41 42 ; Function Attrs: nounwind ssp uwtable 43 define void @foo() #0 !dbg !4 { 44 entry: 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 52 declare void @barrier(...) 53 54 ; Function Attrs: nounwind readnone 55 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #2 56 57 attributes #0 = { nounwind ssp uwtable } 58 attributes #2 = { nounwind readnone } 59 attributes #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
