1 files changed, 38 insertions, 0 deletions
diff --git a/llvm/test/DebugInfo/bit-int-size.ll b/llvm/test/DebugInfo/bit-int-size.ll
new file mode 100644
index 0000000..e28921d
--- /dev/null
+++ b/llvm/test/DebugInfo/bit-int-size.ll
@@ -0,0 +1,38 @@
+; RUN: %llc_dwarf %s -filetype=obj -o - | llvm-dwarfdump - | FileCheck %s
+; REQUIRES: object-emission
+
+;; Check base types with bit-sizes that don't fit fully fit within a byte
+;; multiple get both a a byte_size and bit_size attribute.
+
+; CHECK: DW_TAG_base_type
+; CHECK-NEXT: DW_AT_name      ("unsigned _BitInt")
+; CHECK-NEXT: DW_AT_encoding  (DW_ATE_unsigned)
+; CHECK-NEXT: DW_AT_byte_size (0x04)
+; CHECK-NEXT: DW_AT_bit_size  (0x11)
+
+; CHECK: DW_TAG_base_type
+; CHECK-NEXT: DW_AT_name      ("_BitInt")
+; CHECK-NEXT: DW_AT_encoding  (DW_ATE_signed)
+; CHECK-NEXT: DW_AT_byte_size (0x01)
+; CHECK-NEXT: DW_AT_bit_size  (0x02)
+
+@a = global i8 0, align 1, !dbg !0
+@b = global i8 0, align 1, !dbg !5
+
+!llvm.dbg.cu = !{!2}
+!llvm.module.flags = !{!10, !11}
+!llvm.ident = !{!12}
+
+!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
+!1 = distinct !DIGlobalVariable(name: "a", scope: !2, file: !7, line: 4, type: !9, isLocal: false, isDefinition: true)
+!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !3, producer: "clang version 22.0.0git", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, globals: !4, splitDebugInlining: false, nameTableKind: None)
+!3 = !DIFile(filename: "bit-int.c", directory: "/")
+!4 = !{!0, !5}
+!5 = !DIGlobalVariableExpression(var: !6, expr: !DIExpression())
+!6 = distinct !DIGlobalVariable(name: "b", scope: !2, file: !7, line: 5, type: !8, isLocal: false, isDefinition: true)
+!7 = !DIFile(filename: "bit-int.c", directory: "/")
+!8 = !DIBasicType(name: "_BitInt", size: 8, dataSize: 2, encoding: DW_ATE_signed)
+!9 = !DIBasicType(name: "unsigned _BitInt", size: 32, dataSize: 17, encoding: DW_ATE_unsigned)
+!10 = !{i32 2, !"Debug Info Version", i32 3}
+!11 = !{i32 1, !"wchar_size", i32 4}
+!12 = !{!"clang version 22.0.0git"}