; LLVM IR from ESPboy-edu/ESPboy_tinyphysicsengine :: programs (hello)

; 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"

; 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 @TPE_sin(i32 noundef %0) #1 {
  %2 = alloca i32, align 4
  %3 = alloca i8, align 1
  %4 = alloca i32, align 4
  store i32 %0, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %3) #2
  store i8 1, ptr %3, align 1, !tbaa !9
  %5 = load i32, ptr %2, align 4, !tbaa !5
  %6 = icmp slt i32 %5, 0
  br i1 %6, label %7, label %10

7:                                                ; preds = %1
  %8 = load i32, ptr %2, align 4, !tbaa !5
  %9 = mul nsw i32 %8, -1
  store i32 %9, ptr %2, align 4, !tbaa !5
  store i8 -1, ptr %3, align 1, !tbaa !9
  br label %10

10:                                               ; preds = %7, %1
  %11 = load i32, ptr %2, align 4, !tbaa !5
  %12 = srem i32 %11, 512
  store i32 %12, ptr %2, align 4, !tbaa !5
  %13 = load i32, ptr %2, align 4, !tbaa !5
  %14 = icmp sgt i32 %13, 256
  br i1 %14, label %15, label %22

15:                                               ; preds = %10
  %16 = load i32, ptr %2, align 4, !tbaa !5
  %17 = sub nsw i32 %16, 256
  store i32 %17, ptr %2, align 4, !tbaa !5
  %18 = load i8, ptr %3, align 1, !tbaa !9
  %19 = sext i8 %18 to i32
  %20 = mul nsw i32 %19, -1
  %21 = trunc i32 %20 to i8
  store i8 %21, ptr %3, align 1, !tbaa !9
  br label %22

22:                                               ; preds = %15, %10
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #2
  %23 = load i32, ptr %2, align 4, !tbaa !5
  %24 = mul nsw i32 2, %23
  %25 = sub nsw i32 512, %24
  store i32 %25, ptr %4, align 4, !tbaa !5
  %26 = load i8, ptr %3, align 1, !tbaa !9
  %27 = sext i8 %26 to i32
  %28 = load i32, ptr %2, align 4, !tbaa !5
  %29 = mul nsw i32 32, %28
  %30 = mul nsw i32 %29, 5053
  %31 = sdiv i32 %30, 512
  %32 = load i32, ptr %4, align 4, !tbaa !5
  %33 = mul nsw i32 %31, %32
  %34 = mul nsw i32 %27, %33
  %35 = load i32, ptr %2, align 4, !tbaa !5
  %36 = mul nsw i32 8, %35
  %37 = load i32, ptr %4, align 4, !tbaa !5
  %38 = mul nsw i32 %36, %37
  %39 = sdiv i32 %38, 512
  %40 = sub nsw i32 2560, %39
  %41 = mul nsw i32 5053, %40
  %42 = sdiv i32 %41, 512
  %43 = sdiv i32 %34, %42
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #2
  call void @llvm.lifetime.end.p0(i64 1, ptr %3) #2
  ret i32 %43
}

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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!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 range(i32 -8192, 8193) i32 @TPE_sin(i32 noundef %0) local_unnamed_addr #0 {
  %2 = icmp slt i32 %0, 0
  %spec.select = select i1 %2, i8 -1, i8 1
  %spec.select18 = tail call i32 @llvm.abs.i32(i32 %0, i1 true)
  %3 = and i32 %spec.select18, 511
  %4 = icmp ugt i32 %3, 256
  %5 = add nsw i32 %3, -256
  %narrow = sub nsw i8 0, %spec.select
  %.113 = select i1 %4, i8 %narrow, i8 %spec.select
  %.1 = select i1 %4, i32 %5, i32 %3
  %6 = shl nuw nsw i32 %.1, 1
  %7 = sub nuw nsw i32 512, %6
  %8 = sext i8 %.113 to i32
  %9 = mul nuw nsw i32 %.1, 161696
  %10 = lshr i32 %9, 9
  %11 = mul nsw i32 %7, %8
  %12 = mul i32 %11, %10
  %13 = shl nuw nsw i32 %.1, 3
  %14 = mul nuw nsw i32 %13, %7
  %15 = lshr i32 %14, 9
  %16 = sub nuw nsw i32 2560, %15
  %17 = mul nuw nsw i32 %16, 5053
  %18 = lshr i32 %17, 9
  %19 = sdiv i32 %12, %18
  ret i32 %19
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.abs.i32(i32, i1 immarg) #1

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" }
attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }

!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: CorrelatedValuePropagationPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass