; LLVM IR from jim-b/ECCSI-SAKKE :: src/data (communityParameters)

; 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"

@G_string = external hidden global ptr, align 8
@G_string_len = external hidden global i64, align 8

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
define dso_local signext i16 @community_getG_string(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i16, align 2
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 2, ptr %5) #2
  store i16 1, ptr %5, align 2, !tbaa !9
  %6 = load ptr, ptr @G_string, align 8, !tbaa !5
  %7 = icmp ne ptr %6, null
  br i1 %7, label %8, label %16

8:                                                ; preds = %2
  %9 = load i64, ptr @G_string_len, align 8, !tbaa !11
  %10 = icmp ne i64 %9, 0
  br i1 %10, label %11, label %16

11:                                               ; preds = %8
  %12 = load ptr, ptr @G_string, align 8, !tbaa !5
  %13 = load ptr, ptr %3, align 8, !tbaa !5
  store ptr %12, ptr %13, align 8, !tbaa !5
  %14 = load i64, ptr @G_string_len, align 8, !tbaa !11
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  store i64 %14, ptr %15, align 8, !tbaa !11
  store i16 0, ptr %5, align 2, !tbaa !9
  br label %16

16:                                               ; preds = %11, %8, %2
  %17 = load i16, ptr %5, align 2, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 2, ptr %5) #2
  ret i16 %17
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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, !10, i64 0}
!10 = !{!"short", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"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"

@G_string = external hidden local_unnamed_addr global ptr, align 8
@G_string_len = external hidden local_unnamed_addr global i64, align 8

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read, argmem: write, inaccessiblemem: none) uwtable
define dso_local signext range(i16 0, 2) i16 @community_getG_string(ptr nocapture noundef writeonly %0, ptr nocapture noundef writeonly %1) local_unnamed_addr #0 {
  %3 = load ptr, ptr @G_string, align 8, !tbaa !5
  %4 = icmp ne ptr %3, null
  %5 = load i64, ptr @G_string_len, align 8
  %6 = icmp ne i64 %5, 0
  %or.cond = select i1 %4, i1 %6, i1 false
  br i1 %or.cond, label %7, label %8

7:                                                ; preds = %2
  store ptr %3, ptr %0, align 8, !tbaa !5
  store i64 %5, ptr %1, align 8, !tbaa !9
  br label %8

8:                                                ; preds = %7, %2
  %.0 = phi i16 [ 0, %7 ], [ 1, %2 ]
  ret i16 %.0
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(read, argmem: write, inaccessiblemem: none) 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" }

!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}


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