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| # RUN: llc -debug-entry-values -start-before=livedebugvalues -mtriple=x86_64-apple-darwin -o %t %s -filetype=obj
# RUN: llvm-dwarfdump %t | FileCheck %s
#
# int global;
# int foo(int p, int q, int r) {
# global = p + 1;
# asm __volatile("" : : : "edi", "esi", "edx");
# return 123;
# }
# CHECK: DW_TAG_formal_parameter
# CHECK: DW_OP_entry_value
--- |
; ModuleID = 'multiple-param-dbg-value-entry.ll'
source_filename = "multiple-param-dbg-value-entry.c"
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
@global = common dso_local local_unnamed_addr global i32 0, align 4, !dbg !0
define dso_local i32 @foo(i32 %p, i32 %q, i32 %r) local_unnamed_addr !dbg !11 {
entry:
call void @llvm.dbg.value(metadata i32 %p, metadata !15, metadata !DIExpression()), !dbg !18
call void @llvm.dbg.value(metadata i32 %q, metadata !16, metadata !DIExpression()), !dbg !18
call void @llvm.dbg.value(metadata i32 %r, metadata !17, metadata !DIExpression()), !dbg !18
%add = add nsw i32 %p, 1, !dbg !18
store i32 %add, i32* @global, align 4, !dbg !18
tail call void asm sideeffect "", "~{edi},~{esi},~{edx},~{dirflag},~{fpsr},~{flags}"(), !dbg !18, !srcloc !19
ret i32 123, !dbg !18
}
; Function Attrs: nounwind readnone speculatable
declare void @llvm.dbg.value(metadata, metadata, metadata)
!llvm.dbg.cu = !{!2}
!llvm.module.flags = !{!7, !8, !9}
!llvm.ident = !{!10}
!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
!1 = distinct !DIGlobalVariable(name: "global", scope: !2, file: !3, line: 8, type: !6, isLocal: false, isDefinition: true)
!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 9.0.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, nameTableKind: None)
!3 = !DIFile(filename: "multiple-param-dbg-value-entry.c", directory: "/")
!4 = !{}
!5 = !{!0}
!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
!7 = !{i32 2, !"Dwarf Version", i32 4}
!8 = !{i32 2, !"Debug Info Version", i32 3}
!9 = !{i32 1, !"wchar_size", i32 4}
!10 = !{!"clang version 9.0.0 "}
!11 = distinct !DISubprogram(name: "foo", scope: !3, file: !3, line: 9, type: !12, scopeLine: 9, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !14)
!12 = !DISubroutineType(types: !13)
!13 = !{!6, !6, !6, !6}
!14 = !{!15, !16, !17}
!15 = !DILocalVariable(name: "p", arg: 1, scope: !11, file: !3, line: 9, type: !6, flags: DIFlagArgumentNotModified)
!16 = !DILocalVariable(name: "q", arg: 2, scope: !11, file: !3, line: 9, type: !6, flags: DIFlagArgumentNotModified)
!17 = !DILocalVariable(name: "r", arg: 3, scope: !11, file: !3, line: 9, type: !6, flags: DIFlagArgumentNotModified)
!18 = !DILocation(line: 9, column: 13, scope: !11)
!19 = !{i32 213}
...
---
name: foo
alignment: 16
tracksRegLiveness: true
liveins:
- { reg: '$edi' }
body: |
bb.0.entry:
liveins: $edi
DBG_VALUE $edi, $noreg, !15, !DIExpression(), debug-location !18
DBG_VALUE $edi, $noreg, !15, !DIExpression(), debug-location !18
DBG_VALUE $esi, $noreg, !16, !DIExpression(), debug-location !18
DBG_VALUE $edx, $noreg, !17, !DIExpression(), debug-location !18
renamable $edi = nsw INC32r killed renamable $edi, implicit-def dead $eflags, debug-location !18
MOV32mr $rip, 1, $noreg, @global, $noreg, killed renamable $edi, debug-location !18 :: (store 4 into @global)
INLINEASM &"", 1, 12, implicit-def dead early-clobber $edi, 12, implicit-def dead early-clobber $esi, 12, implicit-def dead early-clobber $edx, 12, implicit-def dead early-clobber $df, 12, implicit-def dead early-clobber $fpsw, 12, implicit-def dead early-clobber $eflags, !19, debug-location !18
$eax = MOV32ri 123, debug-location !18
RETQ killed $eax, debug-location !18
...
|