1; REQUIRES: x86 2; RUN: llc -mtriple x86_64-windows-msvc -filetype obj -o %t.obj %s 3; RUN: lld-link /nodefaultlib /noentry /dll /debug /out:%t.exe /pdb:%t.pdb %t.obj 4; RUN: llvm-pdbutil dump -type-index=0x7c %t.pdb 5 6; CHECK: 0x007C (char8_t) | char8_t 7 8define dso_local i32 @main() #0 !dbg !9 { 9 %1 = alloca i32, align 4 10 %2 = alloca i8, align 1 11 store i32 0, ptr %1, align 4 12 call void @llvm.dbg.declare(metadata ptr %2, metadata !13, metadata !DIExpression()), !dbg !15 13 store i8 0, ptr %2, align 1, !dbg !15 14 %3 = load i8, ptr %2, align 1, !dbg !16 15 %4 = zext i8 %3 to i32, !dbg !16 16 ret i32 %4, !dbg !16 17} 18 19; Function Attrs: nofree nosync nounwind readnone speculatable willreturn 20declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 21 22attributes #0 = { mustprogress noinline norecurse nounwind optnone uwtable "frame-pointer"="none" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" } 23attributes #1 = { nofree nosync nounwind readnone speculatable willreturn } 24 25!llvm.dbg.cu = !{!0} 26!llvm.linker.options = !{} 27!llvm.module.flags = !{!3, !4, !5, !6, !7} 28!llvm.ident = !{!8} 29 30!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 13.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None) 31!1 = !DIFile(filename: "pdb_char8_t.cpp", directory: "C:\\src", checksumkind: CSK_MD5, checksum: "a00748d29f4e59003184945cd3e17ee3") 32!2 = !{} 33!3 = !{i32 2, !"CodeView", i32 1} 34!4 = !{i32 2, !"Debug Info Version", i32 3} 35!5 = !{i32 1, !"wchar_size", i32 2} 36!6 = !{i32 7, !"PIC Level", i32 2} 37!7 = !{i32 7, !"uwtable", i32 1} 38!8 = !{!"clang version 13.0.0"} 39!9 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 1, type: !10, scopeLine: 2, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) 40!10 = !DISubroutineType(types: !11) 41!11 = !{!12} 42!12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 43!13 = !DILocalVariable(name: "local", scope: !9, file: !1, line: 3, type: !14) 44!14 = !DIBasicType(name: "char8_t", size: 8, encoding: DW_ATE_UTF) 45!15 = !DILocation(line: 3, scope: !9) 46!16 = !DILocation(line: 4, scope: !9) 47