1 ; RUN: llc -filetype=obj -o - %s | llvm-dwarfdump --name cntrl_flags - | FileCheck %s
4 ; void use(unsigned char);
5 ; f(unsigned long long cntrl_flags,
9 ; tag = (((cntrl_flags) >> 32) & 0xFF);
13 source_filename = "test.i"
14 target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
15 target triple = "arm64-apple-ios5.0.0"
17 ; Function Attrs: nounwind ssp uwtable
18 define i32 @f(i64 %cntrl_flags) local_unnamed_addr #0 !dbg !8 {
20 tail call void @llvm.dbg.value(metadata i64 %cntrl_flags, metadata !14, metadata !DIExpression()), !dbg !18
21 %shr = lshr i64 %cntrl_flags, 32, !dbg !20
22 %conv = trunc i64 %shr to i8, !dbg !21
23 tail call void @llvm.dbg.value(metadata i8 %conv, metadata !16, metadata !DIExpression()), !dbg !22
24 tail call void @use(i8 zeroext %conv) #3, !dbg !23
25 ret i32 undef, !dbg !24
28 declare void @use(i8 zeroext) local_unnamed_addr
30 ; Function Attrs: nounwind readnone speculatable
31 declare void @llvm.dbg.value(metadata, metadata, metadata) #2
33 attributes #0 = { nounwind ssp uwtable }
34 attributes #2 = { nounwind readnone speculatable }
35 attributes #3 = { nobuiltin nounwind }
38 !llvm.module.flags = !{!3, !4, !5, !6}
41 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 6.0.0 (trunk 317700) (llvm/trunk 317708)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
42 !1 = !DIFile(filename: "test.i", directory: "/")
44 !3 = !{i32 2, !"Dwarf Version", i32 2}
45 !4 = !{i32 2, !"Debug Info Version", i32 3}
46 !5 = !{i32 1, !"wchar_size", i32 4}
47 !6 = !{i32 7, !"PIC Level", i32 2}
48 !7 = !{!"clang version 6.0.0 (trunk 317700) (llvm/trunk 317708)"}
49 !8 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 2, type: !9, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !13)
50 !9 = !DISubroutineType(types: !10)
52 !11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
53 !12 = !DIBasicType(name: "long long unsigned int", size: 64, encoding: DW_ATE_unsigned)
55 !14 = !DILocalVariable(name: "cntrl_flags", arg: 1, scope: !8, file: !1, line: 2, type: !12)
56 !16 = !DILocalVariable(name: "tag", scope: !8, file: !1, line: 5, type: !17)
57 !17 = !DIBasicType(name: "unsigned char", size: 8, encoding: DW_ATE_unsigned_char)
58 !18 = !DILocation(line: 2, column: 22, scope: !8)
59 !19 = !DILocation(line: 3, column: 31, scope: !8)
60 !20 = !DILocation(line: 6, column: 24, scope: !8)
61 !21 = !DILocation(line: 6, column: 8, scope: !8)
62 !22 = !DILocation(line: 5, column: 16, scope: !8)
63 !23 = !DILocation(line: 7, column: 2, scope: !8)
64 !24 = !DILocation(line: 8, column: 1, scope: !8)