79 lines
3.1 KiB
LLVM
79 lines
3.1 KiB
LLVM
; RUN: llc %s -stop-after=livedebugvalues -o - | FileCheck --check-prefix=SANITY %s
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; RUN: llc < %s -filetype=obj | llvm-dwarfdump -v - | FileCheck %s
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; Test debug_loc support for floating point constants.
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;
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; Created from clang -O1:
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; void barrier();
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; void foo() {
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; float f;
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; long double ld;
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; barrier();
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; f = 3.14;
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; ld = 3.14;
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; barrier();
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; }
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;
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; SANITY: CALL{{.*}} @barrier
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; SANITY: DBG_VALUE x86_fp80 0xK4000C8F5C28F5C28F800
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; SANITY: DBG_VALUE float 0x40091EB860000000
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; SANITY: TAILJMP{{.*}} @barrier
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;
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; CHECK: .debug_info contents:
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; CHECK: DW_TAG_variable
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; CHECK-NEXT: DW_AT_location {{.*}} (
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; CHECK-NEXT: [0x[[START:.*]], 0x[[END:.*]]): DW_OP_constu 0xc8f5c28f5c28f800, DW_OP_piece 0x8, DW_OP_constu 0x4000, DW_OP_bit_piece 0x10 0x40)
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; CHECK-NEXT: DW_AT_name {{.*}}"ld"
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; CHECK: DW_TAG_variable
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; CHECK-NEXT: DW_AT_location {{.*}} (
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; CHECK-NEXT: [0x[[START]], 0x[[END]]): DW_OP_constu 0x4048f5c3)
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; CHECK-NEXT: DW_AT_name {{.*}}"f"
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source_filename = "test.c"
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.11.0"
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; Function Attrs: nounwind ssp uwtable
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define void @foo() #0 !dbg !4 {
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entry:
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tail call void (...) @barrier() #3, !dbg !16
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tail call void @llvm.dbg.value(metadata float 0x40091EB860000000, metadata !8, metadata !17), !dbg !18
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tail call void @llvm.dbg.value(metadata x86_fp80 0xK4000C8F5C28F5C28F800, metadata !10, metadata !17), !dbg !19
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tail call void (...) @barrier() #3, !dbg !20
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ret void, !dbg !21
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}
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declare void @barrier(...)
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, metadata, metadata) #2
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attributes #0 = { nounwind ssp uwtable }
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attributes #2 = { nounwind readnone }
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attributes #3 = { nounwind }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!12, !13, !14}
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!llvm.ident = !{!15}
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!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)
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!1 = !DIFile(filename: "test.c", directory: "/Volumes/Data/radar/25448338")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 3, type: !5, isLocal: false, isDefinition: true, scopeLine: 4, isOptimized: true, unit: !0, retainedNodes: !7)
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!5 = !DISubroutineType(types: !6)
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!6 = !{null}
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!7 = !{!8, !10}
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!8 = !DILocalVariable(name: "f", scope: !4, file: !1, line: 5, type: !9)
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!9 = !DIBasicType(name: "float", size: 32, align: 32, encoding: DW_ATE_float)
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!10 = !DILocalVariable(name: "ld", scope: !4, file: !1, line: 6, type: !11)
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!11 = !DIBasicType(name: "long double", size: 128, align: 128, encoding: DW_ATE_float)
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!12 = !{i32 2, !"Dwarf Version", i32 2}
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!13 = !{i32 2, !"Debug Info Version", i32 3}
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!14 = !{i32 1, !"PIC Level", i32 2}
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!15 = !{!"clang version 3.9.0 (trunk 265328) (llvm/trunk 265330)"}
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!16 = !DILocation(line: 7, column: 3, scope: !4)
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!17 = !DIExpression()
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!18 = !DILocation(line: 5, column: 9, scope: !4)
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!19 = !DILocation(line: 6, column: 15, scope: !4)
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!20 = !DILocation(line: 10, column: 3, scope: !4)
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!21 = !DILocation(line: 11, column: 1, scope: !4)
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