; LLVM IR from swiftlang/swift :: utils/embedded-test-support (libc)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

; Function Attrs: nounwind allocsize(0,1) uwtable
declare dso_local ptr @calloc(i64 noundef, i64 noundef) #0

; Function Attrs: nounwind uwtable
define dso_local i32 @posix_memalign(ptr noundef %0, i64 noundef %1, i64 noundef %2) #1 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i64 %1, ptr %6, align 8, !tbaa !9
  store i64 %2, ptr %7, align 8, !tbaa !9
  %8 = load i64, ptr %7, align 8, !tbaa !9
  %9 = load i64, ptr %6, align 8, !tbaa !9
  %10 = add i64 %8, %9
  %11 = call ptr @calloc(i64 noundef %10, i64 noundef 1) #2
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr %11, ptr %12, align 8, !tbaa !5
  %13 = load ptr, ptr %5, align 8, !tbaa !5
  %14 = load ptr, ptr %13, align 8, !tbaa !5
  %15 = ptrtoint ptr %14 to i64
  %16 = load i64, ptr %6, align 8, !tbaa !9
  %17 = urem i64 %15, %16
  %18 = icmp eq i64 %17, 0
  br i1 %18, label %19, label %20

19:                                               ; preds = %3
  store i32 0, ptr %4, align 4
  br label %31

20:                                               ; preds = %3
  %21 = load i64, ptr %6, align 8, !tbaa !9
  %22 = load ptr, ptr %5, align 8, !tbaa !5
  %23 = load ptr, ptr %22, align 8, !tbaa !5
  %24 = ptrtoint ptr %23 to i64
  %25 = load i64, ptr %6, align 8, !tbaa !9
  %26 = urem i64 %24, %25
  %27 = sub i64 %21, %26
  %28 = load ptr, ptr %5, align 8, !tbaa !5
  %29 = load i64, ptr %28, align 8, !tbaa !9
  %30 = add i64 %29, %27
  store i64 %30, ptr %28, align 8, !tbaa !9
  store i32 0, ptr %4, align 4
  br label %31

31:                                               ; preds = %20, %19
  %32 = load i32, ptr %4, align 4
  ret i32 %32
}

attributes #0 = { nounwind allocsize(0,1) uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { allocsize(0,1) }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,zeroed") allocsize(0,1) memory(inaccessiblemem: readwrite) uwtable
declare dso_local noalias noundef ptr @calloc(i64 noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: write, inaccessiblemem: readwrite) uwtable
define dso_local noundef i32 @posix_memalign(ptr nocapture noundef writeonly %0, i64 noundef %1, i64 noundef %2) local_unnamed_addr #1 {
  %4 = add i64 %2, %1
  %5 = tail call ptr @calloc(i64 noundef %4, i64 noundef 1) #2
  %6 = ptrtoint ptr %5 to i64
  %7 = ptrtoint ptr %5 to i64
  %8 = urem i64 %7, %1
  %9 = icmp eq i64 %8, 0
  %10 = sub i64 %1, %8
  %11 = add i64 %10, %7
  %storemerge = select i1 %9, i64 %6, i64 %11
  store i64 %storemerge, ptr %0, align 8, !tbaa !5
  ret i32 0
}

attributes #0 = { mustprogress nofree nounwind willreturn allockind("alloc,zeroed") allocsize(0,1) memory(inaccessiblemem: readwrite) uwtable "alloc-family"="malloc" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nofree nounwind willreturn memory(argmem: write, inaccessiblemem: readwrite) uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { allocsize(0,1) }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass