# RUN: llc %s -start-after=livedebugvalues -debugger-tune=gdb --filetype=obj -o - \ # RUN: | llvm-dwarfdump - | FileCheck %s # Generated from IR crash reproducer with `llc -stop-after=livedebugvalues -simplify-mir`. # Check the GNU equivalent of DW_AT_call_target_clobbered is emitted without # hitting assertions (DWARF version 4, -debugger-tune=gdb). # CHECK: DW_AT_GNU_call_site_target_clobbered --- | target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" define void @foo(ptr %p) !dbg !5 { entry: %call = tail call ptr %p(i64 0) ret void } !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!3, !4} !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !2, imports: !2, splitDebugInlining: false) !1 = !DIFile(filename: "test.cpp", directory: ".") !2 = !{} !3 = !{i32 2, !"Debug Info Version", i32 3} !4 = !{i32 7, !"Dwarf Version", i32 4} !5 = distinct !DISubprogram(name: "foo", linkageName: "foo", scope: !1, file: !1, line: 479, type: !6, scopeLine: 479, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2, keyInstructions: true) !6 = distinct !DISubroutineType(types: !7) !7 = !{null} ... --- name: foo alignment: 16 tracksRegLiveness: true noPhis: true isSSA: false noVRegs: true hasFakeUses: false debugInstrRef: true tracksDebugUserValues: true liveins: - { reg: '$rdi' } frameInfo: maxAlignment: 1 maxCallFrameSize: 0 hasTailCall: true isCalleeSavedInfoValid: true machineFunctionInfo: amxProgModel: None body: | bb.0.entry: liveins: $rdi $rax = MOV64rr $rdi dead $edi = XOR32rr undef $edi, undef $edi, implicit-def dead $eflags, implicit-def $rdi TAILJMPr64 killed renamable $rax, csr_64, implicit $rsp, implicit $ssp, implicit $rsp, implicit $ssp, implicit $rdi ...