; LLVM IR from ange-yaghi/engine-sim :: src/convolution_filter.ll (ZN17ConvolutionFilter10initializeEi)

; 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"

%class.ConvolutionFilter = type <{ %class.Filter, ptr, i32, [4 x i8], ptr, i32, [4 x i8] }>
%class.Filter = type { ptr }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN17ConvolutionFilter10initializeEi(ptr noundef nonnull align 8 dereferenceable(36) %0, i32 noundef %1) #0 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %5 = load ptr, ptr %3, align 8
  %6 = load i32, ptr %4, align 4, !tbaa !9
  %7 = getelementptr inbounds %class.ConvolutionFilter, ptr %5, i32 0, i32 5
  store i32 %6, ptr %7, align 8, !tbaa !11
  %8 = getelementptr inbounds %class.ConvolutionFilter, ptr %5, i32 0, i32 2
  store i32 0, ptr %8, align 8, !tbaa !14
  %9 = load i32, ptr %4, align 4, !tbaa !9
  %10 = sext i32 %9 to i64
  %11 = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %10, i64 4)
  %12 = extractvalue { i64, i1 } %11, 1
  %13 = extractvalue { i64, i1 } %11, 0
  %14 = select i1 %12, i64 -1, i64 %13
  %15 = call noalias noundef nonnull ptr @_Znam(i64 noundef %14) #4
  %16 = getelementptr inbounds %class.ConvolutionFilter, ptr %5, i32 0, i32 1
  store ptr %15, ptr %16, align 8, !tbaa !15
  %17 = load i32, ptr %4, align 4, !tbaa !9
  %18 = sext i32 %17 to i64
  %19 = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %18, i64 4)
  %20 = extractvalue { i64, i1 } %19, 1
  %21 = extractvalue { i64, i1 } %19, 0
  %22 = select i1 %20, i64 -1, i64 %21
  %23 = call noalias noundef nonnull ptr @_Znam(i64 noundef %22) #4
  %24 = getelementptr inbounds %class.ConvolutionFilter, ptr %5, i32 0, i32 4
  store ptr %23, ptr %24, align 8, !tbaa !16
  %25 = getelementptr inbounds %class.ConvolutionFilter, ptr %5, i32 0, i32 1
  %26 = load ptr, ptr %25, align 8, !tbaa !15
  %27 = load i32, ptr %4, align 4, !tbaa !9
  %28 = sext i32 %27 to i64
  %29 = mul i64 4, %28
  call void @llvm.memset.p0.i64(ptr align 4 %26, i8 0, i64 %29, i1 false)
  %30 = getelementptr inbounds %class.ConvolutionFilter, ptr %5, i32 0, i32 4
  %31 = load ptr, ptr %30, align 8, !tbaa !16
  %32 = load i32, ptr %4, align 4, !tbaa !9
  %33 = sext i32 %32 to i64
  %34 = mul i64 4, %33
  call void @llvm.memset.p0.i64(ptr align 4 %31, i8 0, i64 %34, i1 false)
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare { i64, i1 } @llvm.umul.with.overflow.i64(i64, i64) #1

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) #2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3

attributes #0 = { mustprogress 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) }
attributes #2 = { nobuiltin allocsize(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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #4 = { builtin allocsize(0) }

!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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 32}
!12 = !{!"_ZTS17ConvolutionFilter", !13, i64 0, !6, i64 8, !10, i64 16, !6, i64 24, !10, i64 32}
!13 = !{!"_ZTS6Filter"}
!14 = !{!12, !10, i64 16}
!15 = !{!12, !6, i64 8}
!16 = !{!12, !6, i64 24}


; 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 uwtable
define dso_local void @_ZN17ConvolutionFilter10initializeEi(ptr nocapture noundef nonnull writeonly align 8 dereferenceable(36) %0, i32 noundef %1) local_unnamed_addr #0 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 32
  store i32 %1, ptr %3, align 8, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %0, i64 16
  store i32 0, ptr %4, align 8, !tbaa !12
  %5 = sext i32 %1 to i64
  %6 = icmp slt i32 %1, 0
  %7 = shl nsw i64 %5, 2
  %8 = select i1 %6, i64 -1, i64 %7
  %9 = tail call noalias noundef nonnull ptr @_Znam(i64 noundef %8) #3
  %10 = getelementptr inbounds i8, ptr %0, i64 8
  store ptr %9, ptr %10, align 8, !tbaa !13
  %11 = tail call noalias noundef nonnull ptr @_Znam(i64 noundef %8) #3
  %12 = getelementptr inbounds i8, ptr %0, i64 24
  store ptr %11, ptr %12, align 8, !tbaa !14
  tail call void @llvm.memset.p0.i64(ptr nonnull align 4 %9, i8 0, i64 %7, i1 false)
  tail call void @llvm.memset.p0.i64(ptr nonnull align 4 %11, i8 0, i64 %7, i1 false)
  ret void
}

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

attributes #0 = { mustprogress 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 = { nobuiltin allocsize(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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #3 = { builtin allocsize(0) }

!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, !11, i64 32}
!6 = !{!"_ZTS17ConvolutionFilter", !7, i64 0, !8, i64 8, !11, i64 16, !8, i64 24, !11, i64 32}
!7 = !{!"_ZTS6Filter"}
!8 = !{!"any pointer", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}
!11 = !{!"int", !9, i64 0}
!12 = !{!6, !11, i64 16}
!13 = !{!6, !8, i64 8}
!14 = !{!6, !8, i64 24}


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