; LLVM IR from PaulBatchelor/sndkit :: graforge (graforge)

; 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.gf_patch = type { ptr, ptr, i32, i32, i32, i32, %struct.gf_pointerlist, %struct.gf_bufferpool, %struct.gf_stack, i32, ptr, i32, ptr, ptr, ptr }
%struct.gf_pointerlist = type { ptr, ptr, i32 }
%struct.gf_bufferpool = type { ptr, i32, i32, i32, i32 }
%struct.gf_stack = type { i32, i32, ptr, ptr }

; 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 i32 @gf_patch_blksize_set(ptr noundef %0, i32 noundef %1) #1 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #2
  store i32 64, ptr %6, align 4, !tbaa !9
  %8 = load i32, ptr %5, align 4, !tbaa !9
  %9 = icmp sle i32 %8, 0
  br i1 %9, label %14, label %10

10:                                               ; preds = %2
  %11 = load i32, ptr %5, align 4, !tbaa !9
  %12 = load i32, ptr %6, align 4, !tbaa !9
  %13 = icmp sgt i32 %11, %12
  br i1 %13, label %14, label %15

14:                                               ; preds = %10, %2
  store i32 1, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %19

15:                                               ; preds = %10
  %16 = load i32, ptr %5, align 4, !tbaa !9
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.gf_patch, ptr %17, i32 0, i32 3
  store i32 %16, ptr %18, align 4, !tbaa !11
  store i32 0, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %19

19:                                               ; preds = %15, %14
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #2
  %20 = load i32, ptr %3, align 4
  ret i32 %20
}

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 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 20}
!12 = !{!"gf_patch", !6, i64 0, !6, i64 8, !10, i64 16, !10, i64 20, !10, i64 24, !10, i64 28, !13, i64 32, !14, i64 56, !15, i64 80, !10, i64 104, !6, i64 112, !10, i64 120, !6, i64 128, !6, i64 136, !6, i64 144}
!13 = !{!"", !6, i64 0, !6, i64 8, !10, i64 16}
!14 = !{!"gf_bufferpool", !6, i64 0, !10, i64 8, !10, i64 12, !10, i64 16, !10, i64 20}
!15 = !{!"gf_stack", !10, i64 0, !10, i64 4, !6, i64 8, !6, i64 16}


; 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 norecurse nosync nounwind willreturn memory(argmem: write) uwtable
define dso_local range(i32 0, 2) i32 @gf_patch_blksize_set(ptr nocapture noundef writeonly %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = add i32 %1, -65
  %or.cond = icmp ult i32 %3, -64
  br i1 %or.cond, label %6, label %4

4:                                                ; preds = %2
  %5 = getelementptr inbounds i8, ptr %0, i64 20
  store i32 %1, ptr %5, align 4, !tbaa !5
  br label %6

6:                                                ; preds = %2, %4
  %.0 = phi i32 [ 0, %4 ], [ 1, %2 ]
  ret i32 %.0
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) 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, !10, i64 20}
!6 = !{!"gf_patch", !7, i64 0, !7, i64 8, !10, i64 16, !10, i64 20, !10, i64 24, !10, i64 28, !11, i64 32, !12, i64 56, !13, i64 80, !10, i64 104, !7, i64 112, !10, i64 120, !7, i64 128, !7, i64 136, !7, i64 144}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"", !7, i64 0, !7, i64 8, !10, i64 16}
!12 = !{!"gf_bufferpool", !7, i64 0, !10, i64 8, !10, i64 12, !10, i64 16, !10, i64 20}
!13 = !{!"gf_stack", !10, i64 0, !10, i64 4, !7, i64 8, !7, i64 16}


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