78 lines · plain
1# Verify that a CFI instruction with no debug location2# does not result in a line-0 location in the assembler.3# RUN: %llc_dwarf -start-after=prologepilog -mtriple=x86_64 -use-unknown-locations=Enable %s -o - | FileCheck %s4#5# CHECK-NOT: .loc 1 06# CHECK: .cfi_def_cfa_offset7# UNSUPPORTED: target={{.*-(cygwin|windows-gnu|windows-msvc)}}8 9--- |10 ; ModuleID = 'no-cfi-loc.ll'11 source_filename = "no-cfi-loc.ll"12 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"13 14 define void @foo() !dbg !6 {15 entry:16 call void @bar(), !dbg !817 ret void, !dbg !918 }19 20 declare void @bar()21 22 ; Function Attrs: nounwind23 declare void @llvm.stackprotector(ptr, ptr) #024 25 attributes #0 = { nounwind }26 27 !llvm.dbg.cu = !{!0}28 !llvm.module.flags = !{!3, !4}29 !llvm.ident = !{!5}30 31 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 4.0.0 (trunk 288778)", isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2)32 !1 = !DIFile(filename: "t.c", directory: "/home/probinson/projects/scratch")33 !2 = !{}34 !3 = !{i32 2, !"Dwarf Version", i32 4}35 !4 = !{i32 2, !"Debug Info Version", i32 3}36 !5 = !{!"clang version 4.0.0 (trunk 288778)"}37 !6 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 2, type: !7, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)38 !7 = !DISubroutineType(types: !2)39 !8 = !DILocation(line: 3, column: 2, scope: !6)40 !9 = !DILocation(line: 4, column: 1, scope: !6)41 42...43---44name: foo45alignment: 1646exposesReturnsTwice: false47legalized: false48regBankSelected: false49selected: false50tracksRegLiveness: true51calleeSavedRegisters: [ '$bh', '$bl', '$bp', '$bpl', '$bx', '$ebp', '$ebx', 52 '$rbp', '$rbx', '$r12', '$r13', '$r14', '$r15', 53 '$r12b', '$r13b', '$r14b', '$r15b', '$r12d', '$r13d', 54 '$r14d', '$r15d', '$r12w', '$r13w', '$r14w', '$r15w' ]55frameInfo: 56 isFrameAddressTaken: false57 isReturnAddressTaken: false58 hasStackMap: false59 hasPatchPoint: false60 stackSize: 861 offsetAdjustment: 062 maxAlignment: 063 adjustsStack: true64 hasCalls: true65 maxCallFrameSize: 066 hasOpaqueSPAdjustment: false67 hasVAStart: false68 hasMustTailInVarArgFunc: false69body: |70 bb.0.entry:71 frame-setup PUSH64r undef $rax, implicit-def $rsp, implicit $rsp, debug-location !872 CFI_INSTRUCTION def_cfa_offset 1673 CALL64pcrel32 @bar, csr_64, implicit $rsp, implicit-def $rsp, debug-location !874 $rax = POP64r implicit-def $rsp, implicit $rsp, debug-location !975 RET 0, debug-location !976 77...78