# RUN: llc -filetype=obj -start-after=livedebugvalues -verify-machineinstrs -march=x86-64 -o - %s | llvm-dwarfdump - | FileCheck %s # CHECK: DW_AT_location (DW_OP_entry_value(DW_OP_reg5 RDI), DW_OP_constu 0xffffffff, DW_OP_and, DW_OP_lit0, DW_OP_plus) --- | ; ModuleID = '/tmp/e.c' source_filename = "/tmp/e.c" target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-apple-macosx11.0.0" ; Function Attrs: norecurse nounwind readnone ssp uwtable willreturn define dso_local void @f(i32 %i) local_unnamed_addr #0 !dbg !8 { entry: call void @llvm.dbg.value(metadata i32 %i, metadata !14, metadata !DIExpression()), !dbg !15 ret void, !dbg !16 } ; Function Attrs: nofree nosync nounwind readnone speculatable willreturn declare void @llvm.dbg.value(metadata, metadata, metadata) #1 attributes #0 = { norecurse nounwind readnone ssp uwtable willreturn } attributes #1 = { nofree nosync nounwind readnone speculatable willreturn } !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!3, !4, !5, !6} !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, emissionKind: FullDebug) !1 = !DIFile(filename: "/tmp/e.c", directory: "/") !2 = !{} !3 = !{i32 7, !"Dwarf Version", i32 4} !4 = !{i32 2, !"Debug Info Version", i32 3} !5 = !{i32 1, !"wchar_size", i32 4} !6 = !{i32 7, !"PIC Level", i32 2} !8 = distinct !DISubprogram(name: "f", scope: !9, file: !9, line: 1, type: !10, scopeLine: 1, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !13) !9 = !DIFile(filename: "/tmp/e.c", directory: "") !10 = !DISubroutineType(types: !11) !11 = !{null, !12} !12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) !13 = !{!14} !14 = !DILocalVariable(name: "i", arg: 1, scope: !8, file: !9, line: 1, type: !12) !15 = !DILocation(line: 0, scope: !8) !16 = !DILocation(line: 1, column: 16, scope: !8) ... --- name: f body: | bb.0.entry: DBG_VALUE $edi, $noreg, !14, !DIExpression(DW_OP_LLVM_entry_value, 1, DW_OP_lit0, DW_OP_plus), debug-location !15 frame-setup PUSH64r killed $rbp, implicit-def $rsp, implicit $rsp $rbp = frame-setup MOV64rr $rsp $rbp = frame-destroy POP64r implicit-def $rsp, implicit $rsp, debug-location !16 RET64 debug-location !16 ...