; LLVM IR from ravireddy07/cpp-book :: src/Hacker-Rank (small-triangles-large-triangles)

; 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.triangle = type { i32, i32, i32 }

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

; 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 @cmp(i64 %0, i32 %1) #2 {
  %3 = alloca %struct.triangle, align 4
  %4 = alloca { i64, i32 }, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = getelementptr inbounds { i64, i32 }, ptr %4, i32 0, i32 0
  store i64 %0, ptr %8, align 4
  %9 = getelementptr inbounds { i64, i32 }, ptr %4, i32 0, i32 1
  store i32 %1, ptr %9, align 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %3, ptr align 4 %4, i64 12, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  %10 = getelementptr inbounds %struct.triangle, ptr %3, i32 0, i32 0
  %11 = load i32, ptr %10, align 4, !tbaa !5
  store i32 %11, ptr %5, align 4, !tbaa !10
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  %12 = getelementptr inbounds %struct.triangle, ptr %3, i32 0, i32 1
  %13 = load i32, ptr %12, align 4, !tbaa !11
  store i32 %13, ptr %6, align 4, !tbaa !10
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  %14 = getelementptr inbounds %struct.triangle, ptr %3, i32 0, i32 2
  %15 = load i32, ptr %14, align 4, !tbaa !12
  store i32 %15, ptr %7, align 4, !tbaa !10
  %16 = load i32, ptr %5, align 4, !tbaa !10
  %17 = load i32, ptr %6, align 4, !tbaa !10
  %18 = add nsw i32 %16, %17
  %19 = load i32, ptr %7, align 4, !tbaa !10
  %20 = add nsw i32 %18, %19
  %21 = load i32, ptr %5, align 4, !tbaa !10
  %22 = load i32, ptr %6, align 4, !tbaa !10
  %23 = sub nsw i32 %21, %22
  %24 = load i32, ptr %7, align 4, !tbaa !10
  %25 = add nsw i32 %23, %24
  %26 = mul nsw i32 %20, %25
  %27 = load i32, ptr %5, align 4, !tbaa !10
  %28 = load i32, ptr %6, align 4, !tbaa !10
  %29 = add nsw i32 %27, %28
  %30 = load i32, ptr %7, align 4, !tbaa !10
  %31 = sub nsw i32 %29, %30
  %32 = mul nsw i32 %26, %31
  %33 = load i32, ptr %5, align 4, !tbaa !10
  %34 = sub nsw i32 0, %33
  %35 = load i32, ptr %6, align 4, !tbaa !10
  %36 = add nsw i32 %34, %35
  %37 = load i32, ptr %7, align 4, !tbaa !10
  %38 = add nsw i32 %36, %37
  %39 = mul nsw i32 %32, %38
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  ret i32 %39
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { 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 0}
!6 = !{!"triangle", !7, i64 0, !7, i64 4, !7, i64 8}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!7, !7, i64 0}
!11 = !{!6, !7, i64 4}
!12 = !{!6, !7, i64 8}


; 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 i32 @cmp(i64 %0, i32 %1) local_unnamed_addr #0 {
  %.sroa.012.0.extract.trunc = trunc i64 %0 to i32
  %.sroa.213.0.extract.shift = lshr i64 %0, 32
  %.sroa.213.0.extract.trunc = trunc nuw i64 %.sroa.213.0.extract.shift to i32
  %3 = add nsw i32 %.sroa.213.0.extract.trunc, %.sroa.012.0.extract.trunc
  %4 = add nsw i32 %3, %1
  %5 = add i32 %.sroa.012.0.extract.trunc, %1
  %6 = sub i32 %5, %.sroa.213.0.extract.trunc
  %7 = mul nsw i32 %4, %6
  %8 = sub nsw i32 %3, %1
  %9 = mul nsw i32 %7, %8
  %10 = sub i32 %1, %.sroa.012.0.extract.trunc
  %11 = add i32 %10, %.sroa.213.0.extract.trunc
  %12 = mul nsw i32 %9, %11
  ret i32 %12
}

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