blob: 2828d640c23d118f9c4e69deba169dcec336e9e3 [file] [log] [blame]
--- |
; RUN: llc %s -start-before=cfi-instr-inserter -filetype=obj -o - | llvm-dwarfdump - | FileCheck %s
; Test that KILL instructions do not interfere with debug entity history
; liveness ranges. Check that a physical address clobber after KILL still
; closes a debug entites range.
source_filename = ".\\test.cpp"
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-scei-ps4"
define hidden i32 @main(i32 %arg, i8** nocapture readnone %argv) local_unnamed_addr !dbg !8 {
entry:
call void @llvm.dbg.value(metadata i32 %arg, metadata !19, metadata !DIExpression()), !dbg !22
call void @llvm.dbg.value(metadata i8** %argv, metadata !20, metadata !DIExpression()), !dbg !22
%add = shl nsw i32 %arg, 1, !dbg !23
call void @llvm.dbg.value(metadata i32 %add, metadata !21, metadata !DIExpression()), !dbg !22
ret i32 %add, !dbg !24
}
declare void @llvm.dbg.value(metadata, metadata, metadata)
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!3, !4, !5, !6}
!llvm.ident = !{!7}
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 10.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, debugInfoForProfiling: true, nameTableKind: None)
!1 = !DIFile(filename: "test.cpp", directory: "F:\\test")
!2 = !{}
!3 = !{i32 2, !"Dwarf Version", i32 4}
!4 = !{i32 2, !"Debug Info Version", i32 3}
!5 = !{i32 1, !"wchar_size", i32 2}
!6 = !{i32 7, !"PIC Level", i32 2}
!7 = !{!"clang version 10.0.0"}
!8 = distinct !DISubprogram(name: "main", scope: !9, file: !9, line: 1, type: !10, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !18)
!9 = !DIFile(filename: ".\\test.cpp", directory: "F:\\test")
!10 = !DISubroutineType(types: !11)
!11 = !{!12, !13, !14}
!12 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
!13 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !12)
!14 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !15, size: 64)
!15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 64)
!16 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !17)
!17 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
!18 = !{!19, !20, !21}
!19 = !DILocalVariable(name: "arg", arg: 1, scope: !8, file: !9, line: 1, type: !13)
!20 = !DILocalVariable(name: "argv", arg: 2, scope: !8, file: !9, line: 1, type: !14)
!21 = !DILocalVariable(name: "result", scope: !8, file: !9, line: 2, type: !12)
!22 = !DILocation(line: 0, scope: !8)
!23 = !DILocation(line: 2, scope: !8)
!24 = !DILocation(line: 3, scope: !8)
...
---
name: main
alignment: 16
tracksRegLiveness: true
liveins:
- { reg: '$edi', virtual-reg: '' }
frameInfo:
maxAlignment: 1
body: |
bb.0.entry:
liveins: $edi
renamable $edi = KILL killed $edi, implicit-def $rdi
renamable $eax = LEA64_32r killed renamable $rdi, 1, renamable $rdi, 0, $noreg, debug-location !23
DBG_VALUE $eax, $noreg, !21, !DIExpression(), debug-location !22
; CHECK-LABEL: DW_TAG_variable
; CHECK: DW_AT_location (0x00000000:
; CHECK: [0x0000000000000003, 0x0000000000000007): DW_OP_reg0 RAX)
; CHECK-NEXT: DW_AT_name ("result")
renamable $eax = KILL killed $eax, implicit-def $rax
$edi = MOV32rr $eax, debug-location !24
$eax = MOV32rr $eax, debug-location !24
$edi = MOV32rr $eax, debug-location !24
RET64 killed $eax, debug-location !24
...