; LLVM IR from aferikoglou/GenHLSOptimizer :: dataset/rodinia_cfd_step_factor_1_tiling_0 (cfd_step_factor)

; 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"

; Function Attrs: mustprogress uwtable
declare dso_local void @cfd_step_factor(ptr noundef, ptr noundef, ptr noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
define dso_local void @workload(ptr noundef %0, ptr noundef %1, ptr noundef %2) #0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca [1024 x float], align 16
  %8 = alloca [5120 x float], align 16
  %9 = alloca [1024 x float], align 16
  %10 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  br label %11

11:                                               ; preds = %3
  call void @llvm.lifetime.start.p0(i64 4096, ptr %7) #3
  br label %12

12:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 20480, ptr %8) #3
  br label %13

13:                                               ; preds = %12
  call void @llvm.lifetime.start.p0(i64 4096, ptr %9) #3
  br label %14

14:                                               ; preds = %13
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #3
  store i32 0, ptr %10, align 4, !tbaa !9
  br label %15

15:                                               ; preds = %42, %14
  %16 = load i32, ptr %10, align 4, !tbaa !9
  %17 = icmp slt i32 %16, 1
  br i1 %17, label %19, label %18

18:                                               ; preds = %15
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #3
  br label %45

19:                                               ; preds = %15
  %20 = getelementptr inbounds [5120 x float], ptr %8, i64 0, i64 0
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = load i32, ptr %10, align 4, !tbaa !9
  %23 = mul nsw i32 %22, 1024
  %24 = mul nsw i32 %23, 5
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds float, ptr %21, i64 %25
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %20, ptr align 4 %26, i64 20480, i1 false)
  %27 = getelementptr inbounds [1024 x float], ptr %9, i64 0, i64 0
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  %29 = load i32, ptr %10, align 4, !tbaa !9
  %30 = mul nsw i32 %29, 1024
  %31 = sext i32 %30 to i64
  %32 = getelementptr inbounds float, ptr %28, i64 %31
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %27, ptr align 4 %32, i64 4096, i1 false)
  %33 = getelementptr inbounds [1024 x float], ptr %7, i64 0, i64 0
  %34 = getelementptr inbounds [5120 x float], ptr %8, i64 0, i64 0
  %35 = getelementptr inbounds [1024 x float], ptr %9, i64 0, i64 0
  call void @cfd_step_factor(ptr noundef %33, ptr noundef %34, ptr noundef %35)
  %36 = load ptr, ptr %4, align 8, !tbaa !5
  %37 = load i32, ptr %10, align 4, !tbaa !9
  %38 = mul nsw i32 %37, 1024
  %39 = sext i32 %38 to i64
  %40 = getelementptr inbounds float, ptr %36, i64 %39
  %41 = getelementptr inbounds [1024 x float], ptr %7, i64 0, i64 0
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %40, ptr align 16 %41, i64 4096, i1 false)
  br label %42

42:                                               ; preds = %19
  %43 = load i32, ptr %10, align 4, !tbaa !9
  %44 = add nsw i32 %43, 1
  store i32 %44, ptr %10, align 4, !tbaa !9
  br label %15, !llvm.loop !11

45:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 4096, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 20480, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 4096, ptr %7) #3
  ret void
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 = distinct !{!11, !12}
!12 = !{!"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: mustprogress uwtable
declare dso_local void @cfd_step_factor(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
define dso_local void @workload(ptr nocapture noundef writeonly %0, ptr nocapture noundef readonly %1, ptr nocapture noundef readonly %2) local_unnamed_addr #0 {
.critedge:
  %3 = alloca [1024 x float], align 16
  %4 = alloca [5120 x float], align 16
  %5 = alloca [1024 x float], align 16
  call void @llvm.lifetime.start.p0(i64 4096, ptr nonnull %3) #3
  call void @llvm.lifetime.start.p0(i64 20480, ptr nonnull %4) #3
  call void @llvm.lifetime.start.p0(i64 4096, ptr nonnull %5) #3
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 16 dereferenceable(20480) %4, ptr noundef nonnull align 4 dereferenceable(20480) %1, i64 20480, i1 false)
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 16 dereferenceable(4096) %5, ptr noundef nonnull align 4 dereferenceable(4096) %2, i64 4096, i1 false)
  call void @cfd_step_factor(ptr noundef nonnull %3, ptr noundef nonnull %4, ptr noundef nonnull %5)
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 4 dereferenceable(4096) %0, ptr noundef nonnull align 16 dereferenceable(4096) %3, i64 4096, i1 false)
  call void @llvm.lifetime.end.p0(i64 4096, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 20480, ptr nonnull %4) #3
  call void @llvm.lifetime.end.p0(i64 4096, ptr nonnull %3) #3
  ret void
}

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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)"}


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