llvm/test/Transforms/MergeFunc/no-merge-debug-thunks.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
;; Make sure debug instructions are not counted when deciding to merge functions
; RUN: opt -S -passes=mergefunc < %s | FileCheck %s

target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"

; Function Attrs: nounwind readnone
define hidden i32 @f(i32 %t) {
; CHECK-LABEL: define hidden i32 @f
; CHECK-SAME: (i32 [[T:%.*]]) {
; CHECK-NEXT:  entry:
; CHECK-NEXT:      #dbg_value(i32 [[T]], [[META6:![0-9]+]], !DIExpression(), [[META12:![0-9]+]])
; CHECK-NEXT:      #dbg_value(i32 [[T]], [[META6]], !DIExpression(), [[META12]])
; CHECK-NEXT:    ret i32 0
;
entry:
  call void @llvm.dbg.value(metadata i32 %t, metadata !12, metadata !DIExpression()), !dbg !13
  call void @llvm.dbg.value(metadata i32 %t, metadata !12, metadata !DIExpression()), !dbg !13
  ret i32 0
}

; Function Attrs: nounwind readnone
define hidden i32 @f_thunk(i32 %t) {
; CHECK-LABEL: define hidden i32 @f_thunk
; CHECK-SAME: (i32 [[T:%.*]]) {
; CHECK-NEXT:  entry:
; CHECK-NEXT:      #dbg_value(i32 [[T]], [[META6]], !DIExpression(), [[META12]])
; CHECK-NEXT:      #dbg_value(i32 [[T]], [[META6]], !DIExpression(), [[META12]])
; CHECK-NEXT:    ret i32 0
;
entry:
  call void @llvm.dbg.value(metadata i32 %t, metadata !12, metadata !DIExpression()), !dbg !13
  call void @llvm.dbg.value(metadata i32 %t, metadata !12, metadata !DIExpression()), !dbg !13
  ret i32 0
}

; Function Attrs: nounwind readnone speculatable
declare void @llvm.dbg.value(metadata, metadata, metadata)

!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!3, !4, !5}

!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
!1 = !DIFile(filename: "no-merge-debug-thunks.c", directory: "/tmp")
!2 = !{}
!3 = !{i32 2, !"Dwarf Version", i32 4}
!4 = !{i32 2, !"Debug Info Version", i32 3}
!5 = !{i32 1, !"wchar_size", i32 4}
!7 = distinct !DISubprogram(name: "test", scope: !1, file: !1, line: 3, type: !8, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !11)
!8 = !DISubroutineType(types: !9)
!9 = !{!10, !10}
!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
!11 = !{!12}
!12 = !DILocalVariable(name: "t", arg: 1, scope: !7, file: !1, line: 3, type: !10)
!13 = !DILocation(line: 3, column: 14, scope: !7)
!14 = !DILocation(line: 4, column: 12, scope: !7)
!16 = distinct !DISubprogram(name: "_start", scope: !1, file: !1, line: 7, type: !17, isLocal: false, isDefinition: true, scopeLine: 7, isOptimized: true, unit: !0, retainedNodes: !2)
!17 = !DISubroutineType(types: !18)
!18 = !{!10}
!19 = !DILocation(line: 8, column: 3, scope: !16)
!20 = !DILocation(line: 9, column: 3, scope: !16)