; LLVM IR from rdguez-mariano/fast_imas_IPOL :: libSimuTilts/flimage.ll (ZN7flimageC2Eiif)

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

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare { i64, i1 } @llvm.umul.with.overflow.i64(i64, i64) #0

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7flimageC2Eiif(ptr noundef nonnull align 8 dereferenceable(16) %0, i32 noundef %1, i32 noundef %2, float noundef %3) unnamed_addr #3 align 2 {
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca float, align 4
  %9 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store i32 %2, ptr %7, align 4, !tbaa !9
  store float %3, ptr %8, align 4, !tbaa !11
  %10 = load ptr, ptr %5, align 8
  %11 = getelementptr inbounds %class.flimage, ptr %10, i32 0, i32 0
  %12 = load i32, ptr %6, align 4, !tbaa !9
  store i32 %12, ptr %11, align 8, !tbaa !13
  %13 = getelementptr inbounds %class.flimage, ptr %10, i32 0, i32 1
  %14 = load i32, ptr %7, align 4, !tbaa !9
  store i32 %14, ptr %13, align 4, !tbaa !15
  %15 = getelementptr inbounds %class.flimage, ptr %10, i32 0, i32 2
  %16 = load i32, ptr %6, align 4, !tbaa !9
  %17 = load i32, ptr %7, align 4, !tbaa !9
  %18 = mul nsw i32 %16, %17
  %19 = sext i32 %18 to i64
  %20 = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %19, i64 4)
  %21 = extractvalue { i64, i1 } %20, 1
  %22 = extractvalue { i64, i1 } %20, 0
  %23 = select i1 %21, i64 -1, i64 %22
  %24 = call noalias noundef nonnull ptr @_Znam(i64 noundef %23) #4
  store ptr %24, ptr %15, align 8, !tbaa !16
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #5
  %25 = getelementptr inbounds %class.flimage, ptr %10, i32 0, i32 0
  %26 = load i32, ptr %25, align 8, !tbaa !13
  %27 = getelementptr inbounds %class.flimage, ptr %10, i32 0, i32 1
  %28 = load i32, ptr %27, align 4, !tbaa !15
  %29 = mul nsw i32 %26, %28
  %30 = sub nsw i32 %29, 1
  store i32 %30, ptr %9, align 4, !tbaa !9
  br label %31

31:                                               ; preds = %42, %4
  %32 = load i32, ptr %9, align 4, !tbaa !9
  %33 = icmp sge i32 %32, 0
  br i1 %33, label %35, label %34

34:                                               ; preds = %31
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  br label %45

35:                                               ; preds = %31
  %36 = load float, ptr %8, align 4, !tbaa !11
  %37 = getelementptr inbounds %class.flimage, ptr %10, i32 0, i32 2
  %38 = load ptr, ptr %37, align 8, !tbaa !16
  %39 = load i32, ptr %9, align 4, !tbaa !9
  %40 = sext i32 %39 to i64
  %41 = getelementptr inbounds float, ptr %38, i64 %40
  store float %36, ptr %41, align 4, !tbaa !11
  br label %42

42:                                               ; preds = %35
  %43 = load i32, ptr %9, align 4, !tbaa !9
  %44 = add nsw i32 %43, -1
  store i32 %44, ptr %9, align 4, !tbaa !9
  br label %31, !llvm.loop !17

45:                                               ; preds = %34
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { builtin allocsize(0) }
attributes #5 = { nounwind }

!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, !12, i64 0}
!12 = !{!"float", !7, i64 0}
!13 = !{!14, !10, i64 0}
!14 = !{!"_ZTS7flimage", !10, i64 0, !10, i64 4, !6, i64 8}
!15 = !{!14, !10, i64 4}
!16 = !{!14, !6, i64 8}
!17 = distinct !{!17, !18}
!18 = !{!"llvm.loop.mustprogress"}


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

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7flimageC2Eiif(ptr nocapture noundef nonnull writeonly align 8 dereferenceable(16) %0, i32 noundef %1, i32 noundef %2, float noundef %3) unnamed_addr #1 align 2 {
  store i32 %1, ptr %0, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %0, i64 4
  store i32 %2, ptr %5, align 4, !tbaa !11
  %6 = getelementptr inbounds i8, ptr %0, i64 8
  %7 = mul nsw i32 %2, %1
  %8 = zext i32 %7 to i64
  %9 = icmp slt i32 %7, 0
  %10 = shl nuw nsw i64 %8, 2
  %11 = select i1 %9, i64 -1, i64 %10
  %12 = tail call noalias noundef nonnull ptr @_Znam(i64 noundef %11) #2
  store ptr %12, ptr %6, align 8, !tbaa !12
  %13 = icmp sgt i32 %7, 0
  br i1 %13, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %4
  %min.iters.check = icmp ult i32 %7, 8
  br i1 %min.iters.check, label %.lr.ph.preheader11, label %vector.ph

.lr.ph.preheader11:                               ; preds = %middle.block, %.lr.ph.preheader
  %indvars.iv.ph = phi i64 [ %8, %.lr.ph.preheader ], [ %ind.end, %middle.block ]
  br label %.lr.ph

vector.ph:                                        ; preds = %.lr.ph.preheader
  %n.vec = and i64 %8, 2147483640
  %ind.end = and i64 %8, 7
  %broadcast.splatinsert = insertelement <4 x float> poison, float %3, i64 0
  %broadcast.splat = shufflevector <4 x float> %broadcast.splatinsert, <4 x float> poison, <4 x i32> zeroinitializer
  %invariant.gep = getelementptr float, ptr %12, i64 %8
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %vector.ph
  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
  %14 = xor i64 %index, -1
  %gep = getelementptr float, ptr %invariant.gep, i64 %14
  %15 = getelementptr inbounds i8, ptr %gep, i64 -12
  %16 = getelementptr inbounds i8, ptr %gep, i64 -28
  store <4 x float> %broadcast.splat, ptr %15, align 4, !tbaa !13
  store <4 x float> %broadcast.splat, ptr %16, align 4, !tbaa !13
  %index.next = add nuw i64 %index, 8
  %17 = icmp eq i64 %index.next, %n.vec
  br i1 %17, label %middle.block, label %vector.body, !llvm.loop !15

middle.block:                                     ; preds = %vector.body
  %cmp.n = icmp eq i64 %n.vec, %8
  br i1 %cmp.n, label %._crit_edge, label %.lr.ph.preheader11

._crit_edge:                                      ; preds = %.lr.ph, %middle.block, %4
  ret void

.lr.ph:                                           ; preds = %.lr.ph.preheader11, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ %indvars.iv.ph, %.lr.ph.preheader11 ]
  %indvars.iv.next = add nsw i64 %indvars.iv, -1
  %18 = getelementptr inbounds float, ptr %12, i64 %indvars.iv.next
  store float %3, ptr %18, align 4, !tbaa !13
  %19 = icmp ugt i64 %indvars.iv, 1
  br i1 %19, label %.lr.ph, label %._crit_edge, !llvm.loop !19
}

attributes #0 = { 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 #1 = { 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 #2 = { 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, !7, i64 0}
!6 = !{!"_ZTS7flimage", !7, i64 0, !7, i64 4, !10, i64 8}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !7, i64 4}
!12 = !{!6, !10, i64 8}
!13 = !{!14, !14, i64 0}
!14 = !{!"float", !8, i64 0}
!15 = distinct !{!15, !16, !17, !18}
!16 = !{!"llvm.loop.mustprogress"}
!17 = !{!"llvm.loop.isvectorized", i32 1}
!18 = !{!"llvm.loop.unroll.runtime.disable"}
!19 = distinct !{!19, !16, !18, !17}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopLoadEliminationPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,LoopVectorizePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass