; LLVM IR from jspd-group/pegit :: src (mz)

; 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.z_stream_s = type { ptr, i32, i64, ptr, i32, i64, ptr, ptr, ptr, ptr, ptr, i32, i64, i64 }
%struct.strbuf = type { i64, i64, ptr }

; Function Attrs: nounwind uwtable
define dso_local void @uncompress_setup(ptr noundef %0, ptr noundef %1, ptr noundef %2) #0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  %7 = load ptr, ptr %4, align 8, !tbaa !5
  %8 = getelementptr inbounds %struct.z_stream_s, ptr %7, i32 0, i32 8
  store ptr null, ptr %8, align 8, !tbaa !9
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.z_stream_s, ptr %9, i32 0, i32 9
  store ptr null, ptr %10, align 8, !tbaa !13
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.z_stream_s, ptr %11, i32 0, i32 10
  store ptr null, ptr %12, align 8, !tbaa !14
  %13 = load ptr, ptr %5, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.strbuf, ptr %13, i32 0, i32 1
  %15 = load i64, ptr %14, align 8, !tbaa !15
  %16 = trunc i64 %15 to i32
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.z_stream_s, ptr %17, i32 0, i32 1
  store i32 %16, ptr %18, align 8, !tbaa !17
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.strbuf, ptr %19, i32 0, i32 2
  %21 = load ptr, ptr %20, align 8, !tbaa !18
  %22 = load ptr, ptr %4, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.z_stream_s, ptr %22, i32 0, i32 0
  store ptr %21, ptr %23, align 8, !tbaa !19
  ret void
}

attributes #0 = { 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" }

!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, !6, i64 64}
!10 = !{!"z_stream_s", !6, i64 0, !11, i64 8, !12, i64 16, !6, i64 24, !11, i64 32, !12, i64 40, !6, i64 48, !6, i64 56, !6, i64 64, !6, i64 72, !6, i64 80, !11, i64 88, !12, i64 96, !12, i64 104}
!11 = !{!"int", !7, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!10, !6, i64 72}
!14 = !{!10, !6, i64 80}
!15 = !{!16, !12, i64 8}
!16 = !{!"strbuf", !12, i64 0, !12, i64 8, !6, i64 16}
!17 = !{!10, !11, i64 8}
!18 = !{!16, !6, i64 16}
!19 = !{!10, !6, 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 norecurse nosync nounwind willreturn memory(argmem: readwrite) uwtable
define dso_local void @uncompress_setup(ptr nocapture noundef writeonly %0, ptr nocapture noundef readonly %1, ptr nocapture noundef readnone %2) local_unnamed_addr #0 {
  %4 = getelementptr inbounds i8, ptr %0, i64 64
  %5 = getelementptr inbounds i8, ptr %1, i64 8
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %4, i8 0, i64 24, i1 false)
  %6 = load i64, ptr %5, align 8, !tbaa !5
  %7 = trunc i64 %6 to i32
  %8 = getelementptr inbounds i8, ptr %0, i64 8
  store i32 %7, ptr %8, align 8, !tbaa !11
  %9 = getelementptr inbounds i8, ptr %1, i64 16
  %10 = load ptr, ptr %9, align 8, !tbaa !14
  store ptr %10, ptr %0, align 8, !tbaa !15
  ret void
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: 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 #1 = { nocallback nofree nounwind willreturn memory(argmem: write) }

!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 8}
!6 = !{!"strbuf", !7, i64 0, !7, i64 8, !10, i64 16}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!12, !13, i64 8}
!12 = !{!"z_stream_s", !10, i64 0, !13, i64 8, !7, i64 16, !10, i64 24, !13, i64 32, !7, i64 40, !10, i64 48, !10, i64 56, !10, i64 64, !10, i64 72, !10, i64 80, !13, i64 88, !7, i64 96, !7, i64 104}
!13 = !{!"int", !8, i64 0}
!14 = !{!6, !10, i64 16}
!15 = !{!12, !10, i64 0}


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