| # RUN: llc -filetype=obj -start-after=livedebugvalues -verify-machineinstrs -march=x86-64 -o - %s | llvm-dwarfdump - | FileCheck %s |
| # 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 |
| --- | |
| ; 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(DW_OP_plus_uconst, 0)), !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_LLVM_fragment, 0, 16), debug-location !15 |
| DBG_VALUE $edi, $noreg, !14, !DIExpression(DW_OP_constu, 16, DW_OP_shr, DW_OP_LLVM_fragment, 16, 16), 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 |
| |
| ... |