; LLVM IR from introlab/odas :: src/utils (cmatrix)

; 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.cmatrix_obj = type { ptr, ptr, i32, i32 }

; 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) #0

; Function Attrs: nounwind uwtable
define dso_local void @cmatrix_copy_cmatrix(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8, !tbaa !5
  %6 = getelementptr inbounds %struct.cmatrix_obj, ptr %5, i32 0, i32 0
  %7 = load ptr, ptr %6, align 8, !tbaa !9
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.cmatrix_obj, ptr %8, i32 0, i32 0
  %10 = load ptr, ptr %9, align 8, !tbaa !9
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.cmatrix_obj, ptr %11, i32 0, i32 2
  %13 = load i32, ptr %12, align 8, !tbaa !12
  %14 = zext i32 %13 to i64
  %15 = mul i64 4, %14
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.cmatrix_obj, ptr %16, i32 0, i32 3
  %18 = load i32, ptr %17, align 4, !tbaa !13
  %19 = zext i32 %18 to i64
  %20 = mul i64 %15, %19
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %7, ptr align 4 %10, i64 %20, i1 false)
  %21 = load ptr, ptr %3, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.cmatrix_obj, ptr %21, i32 0, i32 1
  %23 = load ptr, ptr %22, align 8, !tbaa !14
  %24 = load ptr, ptr %4, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.cmatrix_obj, ptr %24, i32 0, i32 1
  %26 = load ptr, ptr %25, align 8, !tbaa !14
  %27 = load ptr, ptr %4, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.cmatrix_obj, ptr %27, i32 0, i32 2
  %29 = load i32, ptr %28, align 8, !tbaa !12
  %30 = zext i32 %29 to i64
  %31 = mul i64 4, %30
  %32 = load ptr, ptr %4, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.cmatrix_obj, ptr %32, i32 0, i32 3
  %34 = load i32, ptr %33, align 4, !tbaa !13
  %35 = zext i32 %34 to i64
  %36 = mul i64 %31, %35
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %23, ptr align 4 %26, i64 %36, i1 false)
  ret void
}

attributes #0 = { nocallback nofree 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" }

!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, !6, i64 0}
!10 = !{!"cmatrix_obj", !6, i64 0, !6, i64 8, !11, i64 16, !11, i64 20}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !11, i64 16}
!13 = !{!10, !11, i64 20}
!14 = !{!10, !6, 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 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) #0

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, inaccessiblemem: none) uwtable
define dso_local void @cmatrix_copy_cmatrix(ptr nocapture noundef readonly %0, ptr nocapture noundef readonly %1) local_unnamed_addr #1 {
  %3 = load ptr, ptr %0, align 8, !tbaa !5
  %4 = load ptr, ptr %1, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %1, i64 16
  %6 = load i32, ptr %5, align 8, !tbaa !11
  %7 = zext i32 %6 to i64
  %8 = shl nuw nsw i64 %7, 2
  %9 = getelementptr inbounds i8, ptr %1, i64 20
  %10 = load i32, ptr %9, align 4, !tbaa !12
  %11 = zext i32 %10 to i64
  %12 = mul i64 %8, %11
  tail call void @llvm.memcpy.p0.p0.i64(ptr align 4 %3, ptr align 4 %4, i64 %12, i1 false)
  %13 = getelementptr inbounds i8, ptr %0, i64 8
  %14 = load ptr, ptr %13, align 8, !tbaa !13
  %15 = getelementptr inbounds i8, ptr %1, i64 8
  %16 = load ptr, ptr %15, align 8, !tbaa !13
  %17 = load i32, ptr %5, align 8, !tbaa !11
  %18 = zext i32 %17 to i64
  %19 = shl nuw nsw i64 %18, 2
  %20 = load i32, ptr %9, align 4, !tbaa !12
  %21 = zext i32 %20 to i64
  %22 = mul i64 %19, %21
  tail call void @llvm.memcpy.p0.p0.i64(ptr align 4 %14, ptr align 4 %16, i64 %22, i1 false)
  ret void
}

attributes #0 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, inaccessiblemem: 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)"}
!5 = !{!6, !7, i64 0}
!6 = !{!"cmatrix_obj", !7, i64 0, !7, i64 8, !10, i64 16, !10, i64 20}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!6, !10, i64 16}
!12 = !{!6, !10, i64 20}
!13 = !{!6, !7, i64 8}


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