; LLVM IR from jgaeddert/liquid-dsp :: src/matrix/src (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: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #0

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

; Function Attrs: nounwind uwtable
declare dso_local i32 @matrix_mul(ptr noundef, i32 noundef, i32 noundef, ptr noundef, i32 noundef, i32 noundef, ptr noundef, i32 noundef, i32 noundef) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @matrix_inv(ptr noundef, i32 noundef, i32 noundef) #2

; Function Attrs: nounwind uwtable
define dso_local i32 @matrix_div(ptr noundef %0, ptr noundef %1, ptr noundef %2, i32 noundef %3) #2 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  %10 = alloca i64, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  store i32 %3, ptr %8, align 4, !tbaa !9
  %11 = load i32, ptr %8, align 4, !tbaa !9
  %12 = load i32, ptr %8, align 4, !tbaa !9
  %13 = mul i32 %11, %12
  %14 = zext i32 %13 to i64
  %15 = call ptr @llvm.stacksave.p0()
  store ptr %15, ptr %9, align 8
  %16 = alloca double, i64 %14, align 16
  store i64 %14, ptr %10, align 8
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = load i32, ptr %8, align 4, !tbaa !9
  %19 = load i32, ptr %8, align 4, !tbaa !9
  %20 = mul i32 %18, %19
  %21 = zext i32 %20 to i64
  %22 = mul i64 %21, 8
  call void @llvm.memmove.p0.p0.i64(ptr align 16 %16, ptr align 8 %17, i64 %22, i1 false)
  %23 = load i32, ptr %8, align 4, !tbaa !9
  %24 = load i32, ptr %8, align 4, !tbaa !9
  %25 = call i32 @matrix_inv(ptr noundef %16, i32 noundef %23, i32 noundef %24)
  %26 = load ptr, ptr %5, align 8, !tbaa !5
  %27 = load i32, ptr %8, align 4, !tbaa !9
  %28 = load i32, ptr %8, align 4, !tbaa !9
  %29 = load i32, ptr %8, align 4, !tbaa !9
  %30 = load i32, ptr %8, align 4, !tbaa !9
  %31 = load ptr, ptr %7, align 8, !tbaa !5
  %32 = load i32, ptr %8, align 4, !tbaa !9
  %33 = load i32, ptr %8, align 4, !tbaa !9
  %34 = call i32 @matrix_mul(ptr noundef %26, i32 noundef %27, i32 noundef %28, ptr noundef %16, i32 noundef %29, i32 noundef %30, ptr noundef %31, i32 noundef %32, i32 noundef %33)
  %35 = load ptr, ptr %9, align 8
  call void @llvm.stackrestore.p0(ptr %35)
  ret i32 %34
}

attributes #0 = { nocallback nofree nosync nounwind willreturn }
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" }

!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, !10, i64 0}
!10 = !{!"int", !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: nounwind uwtable
declare dso_local i32 @matrix_mul(ptr noundef, i32 noundef, i32 noundef, ptr noundef, i32 noundef, i32 noundef, ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @matrix_inv(ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local i32 @matrix_div(ptr noundef %0, ptr nocapture noundef readonly %1, ptr noundef %2, i32 noundef %3) local_unnamed_addr #0 {
  %5 = mul i32 %3, %3
  %6 = zext i32 %5 to i64
  %7 = alloca double, i64 %6, align 16
  %8 = shl nuw nsw i64 %6, 3
  call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 16 %7, ptr align 8 %1, i64 %8, i1 false)
  %9 = call i32 @matrix_inv(ptr noundef nonnull %7, i32 noundef %3, i32 noundef %3)
  %10 = call i32 @matrix_mul(ptr noundef %0, i32 noundef %3, i32 noundef %3, ptr noundef nonnull %7, i32 noundef %3, i32 noundef %3, ptr noundef %2, i32 noundef %3, i32 noundef %3)
  ret i32 %10
}

; 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)"}


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