; LLVM IR from jgaeddert/liquid-dsp :: src/fft/src (spgramcf)

; 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.spwaterfallcf_s = type { i32, i32, ptr, ptr, i32, i32, float, float, i32, i32, ptr }

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @spgramcf_clear(ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @spwaterfallcf_clear(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = getelementptr inbounds %struct.spwaterfallcf_s, ptr %3, i32 0, i32 2
  %5 = load ptr, ptr %4, align 8, !tbaa !9
  %6 = call i32 @spgramcf_clear(ptr noundef %5)
  %7 = load ptr, ptr %2, align 8, !tbaa !5
  %8 = getelementptr inbounds %struct.spwaterfallcf_s, ptr %7, i32 0, i32 3
  %9 = load ptr, ptr %8, align 8, !tbaa !13
  %10 = load ptr, ptr %2, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.spwaterfallcf_s, ptr %10, i32 0, i32 0
  %12 = load i32, ptr %11, align 8, !tbaa !14
  %13 = mul i32 2, %12
  %14 = load ptr, ptr %2, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.spwaterfallcf_s, ptr %14, i32 0, i32 1
  %16 = load i32, ptr %15, align 4, !tbaa !15
  %17 = mul i32 %13, %16
  %18 = zext i32 %17 to i64
  %19 = mul i64 %18, 4
  call void @llvm.memset.p0.i64(ptr align 4 %9, i8 0, i64 %19, i1 false)
  %20 = load ptr, ptr %2, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.spwaterfallcf_s, ptr %20, i32 0, i32 4
  store i32 0, ptr %21, align 8, !tbaa !16
  ret i32 0
}

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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 8}
!10 = !{!"spwaterfallcf_s", !11, i64 0, !11, i64 4, !6, i64 8, !6, i64 16, !11, i64 24, !11, i64 28, !12, i64 32, !12, i64 36, !11, i64 40, !11, i64 44, !6, i64 48}
!11 = !{!"int", !7, i64 0}
!12 = !{!"float", !7, i64 0}
!13 = !{!10, !6, i64 16}
!14 = !{!10, !11, i64 0}
!15 = !{!10, !11, i64 4}
!16 = !{!10, !11, 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 nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @spgramcf_clear(ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @spwaterfallcf_clear(ptr nocapture noundef %0) local_unnamed_addr #1 {
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = tail call i32 @spgramcf_clear(ptr noundef %3)
  %5 = getelementptr inbounds i8, ptr %0, i64 16
  %6 = load ptr, ptr %5, align 8, !tbaa !12
  %7 = load i32, ptr %0, align 8, !tbaa !13
  %8 = shl i32 %7, 1
  %9 = getelementptr inbounds i8, ptr %0, i64 4
  %10 = load i32, ptr %9, align 4, !tbaa !14
  %11 = mul i32 %8, %10
  %12 = zext i32 %11 to i64
  %13 = shl nuw nsw i64 %12, 2
  tail call void @llvm.memset.p0.i64(ptr align 4 %6, i8 0, i64 %13, i1 false)
  %14 = getelementptr inbounds i8, ptr %0, i64 24
  store i32 0, ptr %14, align 8, !tbaa !15
  ret i32 0
}

attributes #0 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
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, !10, i64 8}
!6 = !{!"spwaterfallcf_s", !7, i64 0, !7, i64 4, !10, i64 8, !10, i64 16, !7, i64 24, !7, i64 28, !11, i64 32, !11, i64 36, !7, i64 40, !7, i64 44, !10, i64 48}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!"float", !8, i64 0}
!12 = !{!6, !10, i64 16}
!13 = !{!6, !7, i64 0}
!14 = !{!6, !7, i64 4}
!15 = !{!6, !7, i64 24}


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