; LLVM IR from Tiramisu-Compiler/tiramisu :: 3rdParty/isl/imath (imath)

; 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"

%struct.mpz = type { i32, ptr, i32, i32, i8 }

@.str = external hidden unnamed_addr constant [16 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [87 x i8], align 1
@__PRETTY_FUNCTION__.mp_int_compare_zero = external hidden unnamed_addr constant [32 x i8], align 1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
define dso_local i32 @mp_int_compare_zero(ptr noundef %0) #1 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = icmp ne ptr %4, null
  br i1 %5, label %6, label %7

6:                                                ; preds = %1
  br label %8

7:                                                ; preds = %1
  call void @__assert_fail(ptr noundef @.str, ptr noundef @.str.1, i32 noundef 1127, ptr noundef @__PRETTY_FUNCTION__.mp_int_compare_zero) #2
  unreachable

8:                                                ; preds = %6
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.mpz, ptr %9, i32 0, i32 3
  %11 = load i32, ptr %10, align 4, !tbaa !9
  %12 = icmp eq i32 %11, 1
  br i1 %12, label %13, label %21

13:                                               ; preds = %8
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.mpz, ptr %14, i32 0, i32 1
  %16 = load ptr, ptr %15, align 8, !tbaa !12
  %17 = getelementptr inbounds i32, ptr %16, i64 0
  %18 = load i32, ptr %17, align 4, !tbaa !13
  %19 = icmp eq i32 %18, 0
  br i1 %19, label %20, label %21

20:                                               ; preds = %13
  store i32 0, ptr %2, align 4
  br label %29

21:                                               ; preds = %13, %8
  %22 = load ptr, ptr %3, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.mpz, ptr %22, i32 0, i32 4
  %24 = load i8, ptr %23, align 8, !tbaa !14
  %25 = zext i8 %24 to i32
  %26 = icmp eq i32 %25, 0
  br i1 %26, label %27, label %28

27:                                               ; preds = %21
  store i32 1, ptr %2, align 4
  br label %29

28:                                               ; preds = %21
  store i32 -1, ptr %2, align 4
  br label %29

29:                                               ; preds = %28, %27, %20
  %30 = load i32, ptr %2, align 4
  ret i32 %30
}

attributes #0 = { noreturn nounwind "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 = { noreturn nounwind }

!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, !11, i64 20}
!10 = !{!"mpz", !11, i64 0, !6, i64 8, !11, i64 16, !11, i64 20, !7, i64 24}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !6, i64 8}
!13 = !{!11, !11, i64 0}
!14 = !{!10, !7, i64 24}


; 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"

@.str = external hidden unnamed_addr constant [16 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [87 x i8], align 1
@__PRETTY_FUNCTION__.mp_int_compare_zero = external hidden unnamed_addr constant [32 x i8], align 1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 2) i32 @mp_int_compare_zero(ptr noundef readonly %0) local_unnamed_addr #1 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %2, label %3

2:                                                ; preds = %1
  tail call void @__assert_fail(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 1127, ptr noundef nonnull @__PRETTY_FUNCTION__.mp_int_compare_zero) #2
  unreachable

3:                                                ; preds = %1
  %4 = getelementptr inbounds i8, ptr %0, i64 20
  %5 = load i32, ptr %4, align 4, !tbaa !5
  %6 = icmp eq i32 %5, 1
  br i1 %6, label %7, label %12

7:                                                ; preds = %3
  %8 = getelementptr inbounds i8, ptr %0, i64 8
  %9 = load ptr, ptr %8, align 8, !tbaa !11
  %10 = load i32, ptr %9, align 4, !tbaa !12
  %11 = icmp eq i32 %10, 0
  br i1 %11, label %16, label %12

12:                                               ; preds = %7, %3
  %13 = getelementptr inbounds i8, ptr %0, i64 24
  %14 = load i8, ptr %13, align 8, !tbaa !13
  %15 = icmp eq i8 %14, 0
  %. = select i1 %15, i32 1, i32 -1
  br label %16

16:                                               ; preds = %12, %7
  %.0 = phi i32 [ 0, %7 ], [ %., %12 ]
  ret i32 %.0
}

attributes #0 = { noreturn nounwind "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 = { noreturn nounwind }

!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, !7, i64 20}
!6 = !{!"mpz", !7, i64 0, !10, i64 8, !7, i64 16, !7, i64 20, !8, i64 24}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !10, i64 8}
!12 = !{!7, !7, i64 0}
!13 = !{!6, !8, i64 24}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass