; LLVM IR from 0intro/wmii :: lib/libstuff/x11/geometry (rectsubpt)

; 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.Rectangle = type { %struct.Point, %struct.Point }
%struct.Point = type { i32, i32 }

; Function Attrs: nounwind uwtable
define dso_local { i64, i64 } @rectsubpt(i64 %0, i64 %1, i64 %2) #0 {
  %4 = alloca %struct.Rectangle, align 4
  %5 = alloca %struct.Rectangle, align 4
  %6 = alloca %struct.Point, align 4
  %7 = getelementptr inbounds { i64, i64 }, ptr %5, i32 0, i32 0
  store i64 %0, ptr %7, align 4
  %8 = getelementptr inbounds { i64, i64 }, ptr %5, i32 0, i32 1
  store i64 %1, ptr %8, align 4
  store i64 %2, ptr %6, align 4
  %9 = getelementptr inbounds %struct.Point, ptr %6, i32 0, i32 0
  %10 = load i32, ptr %9, align 4, !tbaa !5
  %11 = getelementptr inbounds %struct.Rectangle, ptr %5, i32 0, i32 0
  %12 = getelementptr inbounds %struct.Point, ptr %11, i32 0, i32 0
  %13 = load i32, ptr %12, align 4, !tbaa !10
  %14 = sub nsw i32 %13, %10
  store i32 %14, ptr %12, align 4, !tbaa !10
  %15 = getelementptr inbounds %struct.Point, ptr %6, i32 0, i32 0
  %16 = load i32, ptr %15, align 4, !tbaa !5
  %17 = getelementptr inbounds %struct.Rectangle, ptr %5, i32 0, i32 1
  %18 = getelementptr inbounds %struct.Point, ptr %17, i32 0, i32 0
  %19 = load i32, ptr %18, align 4, !tbaa !12
  %20 = sub nsw i32 %19, %16
  store i32 %20, ptr %18, align 4, !tbaa !12
  %21 = getelementptr inbounds %struct.Point, ptr %6, i32 0, i32 1
  %22 = load i32, ptr %21, align 4, !tbaa !13
  %23 = getelementptr inbounds %struct.Rectangle, ptr %5, i32 0, i32 0
  %24 = getelementptr inbounds %struct.Point, ptr %23, i32 0, i32 1
  %25 = load i32, ptr %24, align 4, !tbaa !14
  %26 = sub nsw i32 %25, %22
  store i32 %26, ptr %24, align 4, !tbaa !14
  %27 = getelementptr inbounds %struct.Point, ptr %6, i32 0, i32 1
  %28 = load i32, ptr %27, align 4, !tbaa !13
  %29 = getelementptr inbounds %struct.Rectangle, ptr %5, i32 0, i32 1
  %30 = getelementptr inbounds %struct.Point, ptr %29, i32 0, i32 1
  %31 = load i32, ptr %30, align 4, !tbaa !15
  %32 = sub nsw i32 %31, %28
  store i32 %32, ptr %30, align 4, !tbaa !15
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %4, ptr align 4 %5, i64 16, i1 false), !tbaa.struct !16
  %33 = load { i64, i64 }, ptr %4, align 4
  ret { i64, i64 } %33
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1

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" }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }

!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 0}
!6 = !{!"Point", !7, i64 0, !7, i64 4}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!11, !7, i64 0}
!11 = !{!"Rectangle", !6, i64 0, !6, i64 8}
!12 = !{!11, !7, i64 8}
!13 = !{!6, !7, i64 4}
!14 = !{!11, !7, i64 4}
!15 = !{!11, !7, i64 12}
!16 = !{i64 0, i64 4, !17, i64 4, i64 4, !17, i64 8, i64 4, !17, i64 12, i64 4, !17}
!17 = !{!7, !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 norecurse nosync nounwind willreturn memory(none) uwtable
define dso_local { i64, i64 } @rectsubpt(i64 %0, i64 %1, i64 %2) local_unnamed_addr #0 {
  %.sroa.3.0.extract.shift = and i64 %2, -4294967296
  %4 = sub i64 %0, %2
  %5 = sub i64 %1, %2
  %.sroa.6.8.insert.ext = and i64 %5, 4294967295
  %.sroa.6.12.extract.shift6 = sub i64 %1, %.sroa.3.0.extract.shift
  %.sroa.6.12.insert.ext = and i64 %.sroa.6.12.extract.shift6, -4294967296
  %.sroa.6.12.insert.insert = or disjoint i64 %.sroa.6.12.insert.ext, %.sroa.6.8.insert.ext
  %.sroa.03.sroa.4.0.extract.shift7 = sub i64 %0, %.sroa.3.0.extract.shift
  %.sroa.03.sroa.4.0.insert.ext = and i64 %.sroa.03.sroa.4.0.extract.shift7, -4294967296
  %.sroa.03.sroa.0.0.insert.ext = and i64 %4, 4294967295
  %.sroa.03.sroa.0.0.insert.insert = or disjoint i64 %.sroa.03.sroa.4.0.insert.ext, %.sroa.03.sroa.0.0.insert.ext
  %.fca.0.insert = insertvalue { i64, i64 } poison, i64 %.sroa.03.sroa.0.0.insert.insert, 0
  %.fca.1.insert = insertvalue { i64, i64 } %.fca.0.insert, i64 %.sroa.6.12.insert.insert, 1
  ret { i64, i64 } %.fca.1.insert
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(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)"}


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