1; Test that the debug info for the vector type is correctly codegenerated 2; when the DISubrange has no count, but only an upperbound. 3; RUN: llc -mtriple aarch64 -mattr=+sve -filetype=obj -o %t %s 4; RUN: llvm-dwarfdump %t | FileCheck %s 5; RUN: rm %t 6 7; CHECK: {{.*}}: DW_TAG_subrange_type 8; CHECK-NEXT: DW_AT_type ({{.*}} "__ARRAY_SIZE_TYPE__") 9; CHECK-NEXT: DW_AT_upper_bound (DW_OP_lit8, DW_OP_bregx VG+0, DW_OP_mul, DW_OP_lit1, DW_OP_minus) 10 11define <vscale x 16 x i8> @test_svint8_t(<vscale x 16 x i8> returned %op1) !dbg !7 { 12entry: 13 call void @llvm.dbg.value(metadata <vscale x 16 x i8> %op1, metadata !19, metadata !DIExpression()), !dbg !20 14 ret <vscale x 16 x i8> %op1, !dbg !21 15} 16 17declare void @llvm.dbg.value(metadata, metadata, metadata) 18 19!llvm.dbg.cu = !{!0} 20!llvm.module.flags = !{!3, !4, !5} 21!llvm.ident = !{!6} 22 23!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 12.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None) 24!1 = !DIFile(filename: "dbg-sve-types.ll", directory: "") 25!2 = !{} 26!3 = !{i32 7, !"Dwarf Version", i32 4} 27!4 = !{i32 2, !"Debug Info Version", i32 3} 28!5 = !{i32 1, !"wchar_size", i32 4} 29!6 = !{!"clang version 12.0.0"} 30!7 = distinct !DISubprogram(name: "test_svint8_t", scope: !8, file: !8, line: 5, type: !9, scopeLine: 5, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !18) 31!8 = !DIFile(filename: "dbg-sve-types.ll", directory: "") 32!9 = !DISubroutineType(types: !10) 33!10 = !{!11, !11} 34!11 = !DIDerivedType(tag: DW_TAG_typedef, name: "svint8_t", file: !12, line: 32, baseType: !13) 35!12 = !DIFile(filename: "lib/clang/12.0.0/include/arm_sve.h", directory: "") 36!13 = !DIDerivedType(tag: DW_TAG_typedef, name: "__SVInt8_t", file: !1, baseType: !14) 37!14 = !DICompositeType(tag: DW_TAG_array_type, baseType: !15, flags: DIFlagVector, elements: !16) 38!15 = !DIBasicType(name: "signed char", size: 8, encoding: DW_ATE_signed_char) 39!16 = !{!17} 40!17 = !DISubrange(lowerBound: 0, upperBound: !DIExpression(DW_OP_constu, 8, DW_OP_bregx, 46, 0, DW_OP_mul, DW_OP_constu, 1, DW_OP_minus)) 41!18 = !{!19} 42!19 = !DILocalVariable(name: "op1", arg: 1, scope: !7, file: !8, line: 5, type: !11) 43!20 = !DILocation(line: 0, scope: !7) 44!21 = !DILocation(line: 5, column: 39, scope: !7) 45