; LLVM IR from zchrissirhcz/pixel :: src (px_convolution)

; 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.px_conv_param_t = type { i32, i32, i32, i32, i32, i32 }
%struct.px_pad_t = type { i32, i32, i32, i32 }

; Function Attrs: nounwind uwtable
define dso_local { i64, i64 } @px_get_pad_from_conv_param(ptr noundef byval(%struct.px_conv_param_t) align 8 %0) #0 {
  %2 = alloca %struct.px_pad_t, align 4
  %3 = getelementptr inbounds %struct.px_conv_param_t, ptr %0, i32 0, i32 2
  %4 = load i32, ptr %3, align 8, !tbaa !5
  %5 = getelementptr inbounds %struct.px_pad_t, ptr %2, i32 0, i32 0
  store i32 %4, ptr %5, align 4, !tbaa !10
  %6 = getelementptr inbounds %struct.px_conv_param_t, ptr %0, i32 0, i32 3
  %7 = load i32, ptr %6, align 4, !tbaa !12
  %8 = getelementptr inbounds %struct.px_pad_t, ptr %2, i32 0, i32 1
  store i32 %7, ptr %8, align 4, !tbaa !13
  %9 = getelementptr inbounds %struct.px_conv_param_t, ptr %0, i32 0, i32 4
  %10 = load i32, ptr %9, align 8, !tbaa !14
  %11 = getelementptr inbounds %struct.px_pad_t, ptr %2, i32 0, i32 2
  store i32 %10, ptr %11, align 4, !tbaa !15
  %12 = getelementptr inbounds %struct.px_conv_param_t, ptr %0, i32 0, i32 5
  %13 = load i32, ptr %12, align 4, !tbaa !16
  %14 = getelementptr inbounds %struct.px_pad_t, ptr %2, i32 0, i32 3
  store i32 %13, ptr %14, align 4, !tbaa !17
  %15 = load { i64, i64 }, ptr %2, align 4
  ret { i64, i64 } %15
}

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" }

!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 8}
!6 = !{!"px_conv_param_t", !7, i64 0, !7, i64 4, !7, i64 8, !7, i64 12, !7, i64 16, !7, i64 20}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!11, !7, i64 0}
!11 = !{!"px_pad_t", !7, i64 0, !7, i64 4, !7, i64 8, !7, i64 12}
!12 = !{!6, !7, i64 12}
!13 = !{!11, !7, i64 4}
!14 = !{!6, !7, i64 16}
!15 = !{!11, !7, i64 8}
!16 = !{!6, !7, i64 20}
!17 = !{!11, !7, i64 12}


; 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"

%struct.px_conv_param_t = type { i32, i32, i32, i32, i32, i32 }

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) uwtable
define dso_local { i64, i64 } @px_get_pad_from_conv_param(ptr nocapture noundef readonly byval(%struct.px_conv_param_t) align 8 %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  %3 = load i64, ptr %2, align 8
  %4 = getelementptr inbounds i8, ptr %0, i64 16
  %5 = load i64, ptr %4, align 8
  %.fca.0.insert = insertvalue { i64, i64 } poison, i64 %3, 0
  %.fca.1.insert = insertvalue { i64, i64 } %.fca.0.insert, i64 %5, 1
  ret { i64, i64 } %.fca.1.insert
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) 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: AggressiveInstCombinePass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass