1# RUN: llc -filetype=obj -start-after=livedebugvalues -verify-machineinstrs -o - %s | llvm-dwarfdump - | FileCheck %s 2# CHECK: DW_OP_entry_value(DW_OP_reg5 RDI), DW_OP_stack_value, DW_OP_piece 0x2, DW_OP_breg5 RDI+0, DW_OP_constu 0xffffffff, DW_OP_and, DW_OP_lit16, DW_OP_shr, DW_OP_piece 0x2 3--- | 4 ; ModuleID = '/tmp/e.c' 5 source_filename = "/tmp/e.c" 6 target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 7 target triple = "x86_64-apple-macosx11.0.0" 8 9 ; Function Attrs: norecurse nounwind readnone ssp uwtable willreturn 10 define dso_local void @f(i32 %i) local_unnamed_addr #0 !dbg !8 { 11 entry: 12 call void @llvm.dbg.value(metadata i32 %i, metadata !14, metadata !DIExpression(DW_OP_plus_uconst, 0)), !dbg !15 13 ret void, !dbg !16 14 } 15 16 ; Function Attrs: nofree nosync nounwind readnone speculatable willreturn 17 declare void @llvm.dbg.value(metadata, metadata, metadata) #1 18 19 attributes #0 = { norecurse nounwind readnone ssp uwtable willreturn } 20 attributes #1 = { nofree nosync nounwind readnone speculatable willreturn } 21 22 !llvm.dbg.cu = !{!0} 23 !llvm.module.flags = !{!3, !4, !5, !6} 24 25 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, emissionKind: FullDebug) 26 !1 = !DIFile(filename: "/tmp/e.c", directory: "/") 27 !2 = !{} 28 !3 = !{i32 7, !"Dwarf Version", i32 4} 29 !4 = !{i32 2, !"Debug Info Version", i32 3} 30 !5 = !{i32 1, !"wchar_size", i32 4} 31 !6 = !{i32 7, !"PIC Level", i32 2} 32 !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) 33 !9 = !DIFile(filename: "/tmp/e.c", directory: "") 34 !10 = !DISubroutineType(types: !11) 35 !11 = !{null, !12} 36 !12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 37 !13 = !{!14} 38 !14 = !DILocalVariable(name: "i", arg: 1, scope: !8, file: !9, line: 1, type: !12) 39 !15 = !DILocation(line: 0, scope: !8) 40 !16 = !DILocation(line: 1, column: 16, scope: !8) 41 42... 43--- 44name: f 45body: | 46 bb.0.entry: 47 DBG_VALUE $edi, $noreg, !14, !DIExpression(DW_OP_LLVM_entry_value, 1, DW_OP_LLVM_fragment, 0, 16), debug-location !15 48 DBG_VALUE $edi, $noreg, !14, !DIExpression(DW_OP_constu, 16, DW_OP_shr, DW_OP_LLVM_fragment, 16, 16), debug-location !15 49 frame-setup PUSH64r killed $rbp, implicit-def $rsp, implicit $rsp 50 $rbp = frame-setup MOV64rr $rsp 51 $rbp = frame-destroy POP64r implicit-def $rsp, implicit $rsp, debug-location !16 52 RET64 debug-location !16 53 54... 55