; LLVM IR from ClecioJung/digital-control :: digitalControl (calcRamp)

; 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.RampGenerator = type { float, i32, float, float, float, float, float }

; Function Attrs: nounwind uwtable
define dso_local float @calcRamp(ptr noundef %0) #0 {
  %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.RampGenerator, ptr %3, i32 0, i32 1
  %5 = load i32, ptr %4, align 4, !tbaa !9
  %6 = icmp ne i32 %5, 0
  br i1 %6, label %7, label %26

7:                                                ; preds = %1
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.RampGenerator, ptr %8, i32 0, i32 2
  %10 = load float, ptr %9, align 4, !tbaa !13
  %11 = load ptr, ptr %2, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.RampGenerator, ptr %11, i32 0, i32 1
  %13 = load i32, ptr %12, align 4, !tbaa !9
  %14 = uitofp i32 %13 to float
  %15 = load ptr, ptr %2, align 8, !tbaa !5
  %16 = getelementptr inbounds %struct.RampGenerator, ptr %15, i32 0, i32 5
  %17 = load float, ptr %16, align 4, !tbaa !14
  %18 = fneg float %14
  %19 = call float @llvm.fmuladd.f32(float %18, float %17, float %10)
  %20 = load ptr, ptr %2, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.RampGenerator, ptr %20, i32 0, i32 4
  store float %19, ptr %21, align 4, !tbaa !15
  %22 = load ptr, ptr %2, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.RampGenerator, ptr %22, i32 0, i32 1
  %24 = load i32, ptr %23, align 4, !tbaa !9
  %25 = add i32 %24, -1
  store i32 %25, ptr %23, align 4, !tbaa !9
  br label %32

26:                                               ; preds = %1
  %27 = load ptr, ptr %2, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.RampGenerator, ptr %27, i32 0, i32 2
  %29 = load float, ptr %28, align 4, !tbaa !13
  %30 = load ptr, ptr %2, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.RampGenerator, ptr %30, i32 0, i32 4
  store float %29, ptr %31, align 4, !tbaa !15
  br label %32

32:                                               ; preds = %26, %7
  %33 = load ptr, ptr %2, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct.RampGenerator, ptr %33, i32 0, i32 4
  %35 = load float, ptr %34, align 4, !tbaa !15
  ret float %35
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fmuladd.f32(float, float, float) #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 nosync nounwind speculatable willreturn memory(none) }

!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, !12, i64 4}
!10 = !{!"", !11, i64 0, !12, i64 4, !11, i64 8, !11, i64 12, !11, i64 16, !11, i64 20, !11, i64 24}
!11 = !{!"float", !7, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!10, !11, i64 8}
!14 = !{!10, !11, i64 20}
!15 = !{!10, !11, i64 16}


; 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 nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) uwtable
define dso_local float @calcRamp(ptr nocapture noundef %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 4
  %3 = load i32, ptr %2, align 4, !tbaa !5
  %.not = icmp eq i32 %3, 0
  %4 = getelementptr inbounds i8, ptr %0, i64 8
  %5 = load float, ptr %4, align 4, !tbaa !11
  br i1 %.not, label %13, label %6

6:                                                ; preds = %1
  %7 = uitofp i32 %3 to float
  %8 = getelementptr inbounds i8, ptr %0, i64 20
  %9 = load float, ptr %8, align 4, !tbaa !12
  %10 = fneg float %7
  %11 = tail call float @llvm.fmuladd.f32(float %10, float %9, float %5)
  %12 = add i32 %3, -1
  store i32 %12, ptr %2, align 4, !tbaa !5
  br label %13

13:                                               ; preds = %1, %6
  %.sink = phi float [ %11, %6 ], [ %5, %1 ]
  %14 = getelementptr inbounds i8, ptr %0, i64 16
  store float %.sink, ptr %14, align 4
  ret float %.sink
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fmuladd.f32(float, float, float) #1

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) 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 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }

!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 4}
!6 = !{!"", !7, i64 0, !10, i64 4, !7, i64 8, !7, i64 12, !7, i64 16, !7, i64 20, !7, i64 24}
!7 = !{!"float", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!6, !7, i64 8}
!12 = !{!6, !7, i64 20}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MergedLoadStoreMotionPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass