1; RUN: opt -mtriple=x86_64-- %s -S -passes=instcombine -o - | FileCheck %s 2; Verify that demanded bits optimisations don't affect debuginfo 3; variable values. 4; Bugzilla #44371 5 6@a = common dso_local local_unnamed_addr global i32 0, align 4 7 8define dso_local i32 @p() local_unnamed_addr !dbg !11 { 9entry: 10 %conv = load i32, ptr @a, align 4, !dbg !14 11 %0 = and i32 %conv, 65535, !dbg !14 12 ; CHECK: !DIExpression(DW_OP_constu, 65535, DW_OP_and, DW_OP_stack_value), 13 call void @llvm.dbg.value(metadata i32 %0, metadata !15, metadata !DIExpression()), !dbg !14 14 %1 = lshr i32 %0, 12, !dbg !14 15 %2 = and i32 %1, 8, !dbg !14 16 %3 = xor i32 %2, 8, !dbg !14 17 ret i32 0, !dbg !14 18} 19 20declare void @llvm.dbg.value(metadata, metadata, metadata) 21 22!llvm.dbg.cu = !{!0} 23!llvm.module.flags = !{!8, !9} 24!llvm.ident = !{!10} 25 26!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, globals: !2, splitDebugInlining: false, nameTableKind: None) 27!1 = !DIFile(filename: "instcomnine.ll", directory: "/temp/bz44371") 28!2 = !{} 29!3 = !{!7} 30!7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 31!8 = !{i32 7, !"Dwarf Version", i32 4} 32!9 = !{i32 2, !"Debug Info Version", i32 3} 33!10 = !{!""} 34!11 = distinct !DISubprogram(name: "p", scope: !1, file: !1, line: 6, type: !12, scopeLine: 6, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0) 35!12 = !DISubroutineType(types: !13) 36!13 = !{!7} 37!14 = !DILocation(line: 4, column: 35, scope: !11) 38!15 = !DILocalVariable(name: "p_28", arg: 1, scope: !11, file: !1, line: 16, type: !7) 39