136 lines
6.2 KiB
YAML
136 lines
6.2 KiB
YAML
# RUN: llc -mtriple=x86_64-linux-gnu -start-before greedy -stop-after virtregrewriter -o - -verify-machineinstrs %s | FileCheck %s
|
|
|
|
--- |
|
|
; ModuleID = '<stdin>'
|
|
source_filename = "test/DebugInfo/X86/dbg-value-inlined-parameter.ll"
|
|
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-apple-darwin"
|
|
|
|
%struct.S1 = type { float*, i32 }
|
|
|
|
@p = common global %struct.S1 zeroinitializer, align 8, !dbg !0
|
|
|
|
; Function Attrs: nounwind optsize ssp
|
|
define void @foobar() !dbg !15 {
|
|
entry:
|
|
tail call void @llvm.dbg.value(metadata %struct.S1* @p, metadata !18, metadata !DIExpression()) , !dbg !25
|
|
ret void, !dbg !32
|
|
}
|
|
|
|
; Function Attrs: nounwind readnone speculatable
|
|
declare void @llvm.dbg.value(metadata, metadata, metadata) #2
|
|
|
|
!llvm.dbg.cu = !{!2}
|
|
!llvm.module.flags = !{!14}
|
|
|
|
!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
|
|
!1 = !DIGlobalVariable(name: "p", scope: !2, file: !3, line: 14, type: !6, isLocal: false, isDefinition: true)
|
|
!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 2.9 (trunk 125693)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, retainedTypes: !4, globals: !5, imports: !4)
|
|
!3 = !DIFile(filename: "nm2.c", directory: "/private/tmp")
|
|
!4 = !{}
|
|
!5 = !{!0}
|
|
!6 = !DIDerivedType(tag: DW_TAG_typedef, name: "S1", scope: !2, file: !3, line: 4, baseType: !7)
|
|
!7 = !DICompositeType(tag: DW_TAG_structure_type, name: "S1", scope: !2, file: !3, line: 1, size: 128, align: 64, elements: !8)
|
|
!8 = !{!9, !12}
|
|
!9 = !DIDerivedType(tag: DW_TAG_member, name: "m", scope: !3, file: !3, line: 2, baseType: !10, size: 64, align: 64)
|
|
!10 = !DIDerivedType(tag: DW_TAG_pointer_type, scope: !2, baseType: !11, size: 64, align: 64)
|
|
!11 = !DIBasicType(name: "float", size: 32, align: 32, encoding: DW_ATE_float)
|
|
!12 = !DIDerivedType(tag: DW_TAG_member, name: "nums", scope: !3, file: !3, line: 3, baseType: !13, size: 32, align: 32, offset: 64)
|
|
!13 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
|
|
!14 = !{i32 1, !"Debug Info Version", i32 3}
|
|
!15 = distinct !DISubprogram(name: "foobar", scope: !3, file: !3, line: 15, type: !16, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, unit: !2)
|
|
!16 = !DISubroutineType(types: !17)
|
|
!17 = !{null}
|
|
!18 = !DILocalVariable(name: "sp", arg: 1, scope: !19, file: !3, line: 7, type: !24)
|
|
!19 = distinct !DISubprogram(name: "foo", scope: !3, file: !3, line: 8, type: !20, isLocal: false, isDefinition: true, scopeLine: 8, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !2, retainedNodes: !22)
|
|
!20 = !DISubroutineType(types: !21)
|
|
!21 = !{!13}
|
|
!22 = !{!18, !23}
|
|
!23 = !DILocalVariable(name: "nums", arg: 2, scope: !19, file: !3, line: 7, type: !13)
|
|
!24 = !DIDerivedType(tag: DW_TAG_pointer_type, scope: !2, baseType: !6, size: 64, align: 64)
|
|
!25 = !DILocation(line: 7, column: 13, scope: !19, inlinedAt: !26)
|
|
!26 = !DILocation(line: 16, column: 3, scope: !27)
|
|
!27 = distinct !DILexicalBlock(scope: !15, file: !3, line: 15, column: 15)
|
|
!32 = !DILocation(line: 17, column: 1, scope: !27)
|
|
|
|
...
|
|
---
|
|
name: foobar
|
|
tracksRegLiveness: true
|
|
body: |
|
|
bb.0:
|
|
%1:gr64 = IMPLICIT_DEF
|
|
%2:gr64 = IMPLICIT_DEF
|
|
|
|
bb.1:
|
|
; This DBG_VALUE will be discarded (use before def of %0).
|
|
DBG_VALUE %0, $noreg, !18, !DIExpression(), debug-location !25
|
|
%0:gr64 = IMPLICIT_DEF
|
|
%0:gr64 = IMPLICIT_DEF
|
|
%0:gr64 = IMPLICIT_DEF
|
|
%0:gr64 = IMPLICIT_DEF
|
|
|
|
bb.2:
|
|
; This DBG_VALUE will be discarded (%1 is defined earlier, but it is not live in, so we do not know where %1 is stored).
|
|
DBG_VALUE %1, $noreg, !18, !DIExpression(), debug-location !25
|
|
%1:gr64 = IMPLICIT_DEF
|
|
%1:gr64 = IMPLICIT_DEF
|
|
%1:gr64 = IMPLICIT_DEF
|
|
%1:gr64 = IMPLICIT_DEF
|
|
; This DBG_VALUE is kept, even if %1 is dead, it was defined in the prev instruction,
|
|
; so the value should be available for as long as the register allocated to %1 is live.
|
|
DBG_VALUE %1, $noreg, !18, !DIExpression(), debug-location !25
|
|
|
|
bb.3:
|
|
%1:gr64 = IMPLICIT_DEF
|
|
DBG_VALUE 0, $noreg, !23, !DIExpression(), debug-location !25
|
|
; This DBG_VALUE is kept, even if %1 is dead, it was defined in the prev non-dbg instruction,
|
|
; so the value should be available for as long as the register allocated to %1 is live.
|
|
DBG_VALUE %1, $noreg, !18, !DIExpression(), debug-location !25
|
|
|
|
bb.4:
|
|
; All DBG_VALUEs here should survive. %2 is livein as it was defined in bb.0, and it has use/def in the BTS64ri8 instruction.
|
|
DBG_VALUE %2, $noreg, !18, !DIExpression(), debug-location !25
|
|
%2:gr64 = BTS64ri8 %2, 0, implicit-def $eflags
|
|
DBG_VALUE 0, $noreg, !23, !DIExpression(), debug-location !25
|
|
DBG_VALUE %2, $noreg, !18, !DIExpression(), debug-location !25
|
|
%2:gr64 = BTS64ri8 %2, 0, implicit-def $eflags
|
|
DBG_VALUE %2, $noreg, !18, !DIExpression(), debug-location !25
|
|
%2:gr64 = BTS64ri8 %2, 0, implicit-def $eflags
|
|
DBG_VALUE %2, $noreg, !18, !DIExpression(), debug-location !25
|
|
|
|
bb.5:
|
|
RET 0, debug-location !32
|
|
...
|
|
|
|
# CHECK-LABEL: name: foobar
|
|
|
|
# CHECK-LABEL: bb.1:
|
|
# CHECK: DBG_VALUE $noreg
|
|
|
|
# CHECK-LABEL: bb.2:
|
|
# CHECK: DBG_VALUE $noreg
|
|
# CHECK-NEXT: dead renamable $rcx = IMPLICIT_DEF
|
|
# CHECK-NEXT: dead renamable $rcx = IMPLICIT_DEF
|
|
# CHECK-NEXT: dead renamable $rcx = IMPLICIT_DEF
|
|
# CHECK-NEXT: dead renamable $rcx = IMPLICIT_DEF
|
|
# CHECK-NEXT: DBG_VALUE $noreg, $noreg, !18, !DIExpression()
|
|
|
|
# CHECK-LABEL: bb.3:
|
|
# CHECK: dead renamable $rcx = IMPLICIT_DEF
|
|
# CHECK-NEXT: DBG_VALUE 0, $noreg, !23, !DIExpression()
|
|
# CHECK-NEXT: DBG_VALUE $rcx, $noreg, !18, !DIExpression()
|
|
|
|
# CHECK-LABEL: bb.4:
|
|
# CHECK: liveins: $rax
|
|
# CHECK: DBG_VALUE $rax, $noreg, !18, !DIExpression()
|
|
# CHECK-NEXT: renamable $rax = BTS64ri8 killed renamable $rax, 0, implicit-def $eflags
|
|
# CHECK-NEXT: DBG_VALUE 0, $noreg, !23, !DIExpression()
|
|
# CHECK-NEXT: DBG_VALUE $rax, $noreg, !18, !DIExpression()
|
|
# CHECK-NEXT: renamable $rax = BTS64ri8 killed renamable $rax, 0, implicit-def $eflags
|
|
# CHECK-NEXT: DBG_VALUE $rax, $noreg, !18, !DIExpression()
|
|
# CHECK-NEXT: dead renamable $rax = BTS64ri8 killed renamable $rax, 0, implicit-def $eflags
|
|
|
|
# CHECK-LABEL: bb.5:
|
|
# CHECK-NEXT: RET 0
|