; LLVM IR from glaretechnologies/substrata :: opus/opus-1.3.1/src (mapping_matrix)

; 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: nounwind uwtable
define dso_local i32 @mapping_matrix_get_size(i32 noundef %0, i32 noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  %8 = load i32, ptr %4, align 4, !tbaa !5
  %9 = icmp sgt i32 %8, 255
  br i1 %9, label %13, label %10

10:                                               ; preds = %2
  %11 = load i32, ptr %5, align 4, !tbaa !5
  %12 = icmp sgt i32 %11, 255
  br i1 %12, label %13, label %14

13:                                               ; preds = %10, %2
  store i32 0, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %29

14:                                               ; preds = %10
  %15 = load i32, ptr %4, align 4, !tbaa !5
  %16 = load i32, ptr %5, align 4, !tbaa !5
  %17 = mul nsw i32 %15, %16
  %18 = sext i32 %17 to i64
  %19 = mul i64 %18, 2
  %20 = trunc i64 %19 to i32
  store i32 %20, ptr %6, align 4, !tbaa !5
  %21 = load i32, ptr %6, align 4, !tbaa !5
  %22 = icmp sgt i32 %21, 65004
  br i1 %22, label %23, label %24

23:                                               ; preds = %14
  store i32 0, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %29

24:                                               ; preds = %14
  %25 = call i32 @align(i32 noundef 12)
  %26 = load i32, ptr %6, align 4, !tbaa !5
  %27 = call i32 @align(i32 noundef %26)
  %28 = add nsw i32 %25, %27
  store i32 %28, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %29

29:                                               ; preds = %24, %23, %13
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  %30 = load i32, ptr %3, align 4
  ret i32 %30
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @align(i32 noundef) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { inlinehint 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, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; 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: nounwind uwtable
define dso_local i32 @mapping_matrix_get_size(i32 noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = icmp sgt i32 %0, 255
  %4 = icmp sgt i32 %1, 255
  %or.cond = or i1 %3, %4
  br i1 %or.cond, label %13, label %5

5:                                                ; preds = %2
  %6 = shl i32 %0, 1
  %7 = mul i32 %6, %1
  %8 = icmp sgt i32 %7, 65004
  br i1 %8, label %13, label %9

9:                                                ; preds = %5
  %10 = tail call i32 @align(i32 noundef 12)
  %11 = tail call i32 @align(i32 noundef %7)
  %12 = add nsw i32 %11, %10
  br label %13

13:                                               ; preds = %5, %2, %9
  %.0 = phi i32 [ %12, %9 ], [ 0, %2 ], [ 0, %5 ]
  ret i32 %.0
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @align(i32 noundef) local_unnamed_addr #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 = { inlinehint 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)"}


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