; LLVM IR from introlab/odas :: src/utils (gaussian)

; 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.gaussians_1d_obj = type { i32, ptr }
%struct.gaussian_1d_obj = type { float, float, float, float }

@.str.3 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [45 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [7 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare i32 @printf(ptr noundef, ...) #1

; Function Attrs: nounwind uwtable
define dso_local void @gaussians_1d_printf(ptr noundef %0) #2 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i32 0, ptr %3, align 4, !tbaa !9
  br label %4

4:                                                ; preds = %57, %1
  %5 = load i32, ptr %3, align 4, !tbaa !9
  %6 = load ptr, ptr %2, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.gaussians_1d_obj, ptr %6, i32 0, i32 0
  %8 = load i32, ptr %7, align 8, !tbaa !11
  %9 = icmp ult i32 %5, %8
  br i1 %9, label %10, label %60

10:                                               ; preds = %4
  %11 = load i32, ptr %3, align 4, !tbaa !9
  %12 = call i32 (ptr, ...) @printf(ptr noundef @.str.3, i32 noundef %11)
  %13 = load ptr, ptr %2, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.gaussians_1d_obj, ptr %13, i32 0, i32 1
  %15 = load ptr, ptr %14, align 8, !tbaa !13
  %16 = load i32, ptr %3, align 4, !tbaa !9
  %17 = zext i32 %16 to i64
  %18 = getelementptr inbounds ptr, ptr %15, i64 %17
  %19 = load ptr, ptr %18, align 8, !tbaa !5
  %20 = icmp ne ptr %19, null
  br i1 %20, label %21, label %53

21:                                               ; preds = %10
  %22 = load ptr, ptr %2, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.gaussians_1d_obj, ptr %22, i32 0, i32 1
  %24 = load ptr, ptr %23, align 8, !tbaa !13
  %25 = load i32, ptr %3, align 4, !tbaa !9
  %26 = zext i32 %25 to i64
  %27 = getelementptr inbounds ptr, ptr %24, i64 %26
  %28 = load ptr, ptr %27, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.gaussian_1d_obj, ptr %28, i32 0, i32 0
  %30 = load float, ptr %29, align 4, !tbaa !14
  %31 = fpext float %30 to double
  %32 = load ptr, ptr %2, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.gaussians_1d_obj, ptr %32, i32 0, i32 1
  %34 = load ptr, ptr %33, align 8, !tbaa !13
  %35 = load i32, ptr %3, align 4, !tbaa !9
  %36 = zext i32 %35 to i64
  %37 = getelementptr inbounds ptr, ptr %34, i64 %36
  %38 = load ptr, ptr %37, align 8, !tbaa !5
  %39 = getelementptr inbounds %struct.gaussian_1d_obj, ptr %38, i32 0, i32 1
  %40 = load float, ptr %39, align 4, !tbaa !17
  %41 = fpext float %40 to double
  %42 = load ptr, ptr %2, align 8, !tbaa !5
  %43 = getelementptr inbounds %struct.gaussians_1d_obj, ptr %42, i32 0, i32 1
  %44 = load ptr, ptr %43, align 8, !tbaa !13
  %45 = load i32, ptr %3, align 4, !tbaa !9
  %46 = zext i32 %45 to i64
  %47 = getelementptr inbounds ptr, ptr %44, i64 %46
  %48 = load ptr, ptr %47, align 8, !tbaa !5
  %49 = getelementptr inbounds %struct.gaussian_1d_obj, ptr %48, i32 0, i32 2
  %50 = load float, ptr %49, align 4, !tbaa !18
  %51 = fpext float %50 to double
  %52 = call i32 (ptr, ...) @printf(ptr noundef @.str.4, double noundef %31, double noundef %41, double noundef %51)
  br label %55

53:                                               ; preds = %10
  %54 = call i32 (ptr, ...) @printf(ptr noundef @.str.5)
  br label %55

55:                                               ; preds = %53, %21
  %56 = call i32 (ptr, ...) @printf(ptr noundef @.str.6)
  br label %57

57:                                               ; preds = %55
  %58 = load i32, ptr %3, align 4, !tbaa !9
  %59 = add i32 %58, 1
  store i32 %59, ptr %3, align 4, !tbaa !9
  br label %4, !llvm.loop !19

60:                                               ; preds = %4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 = { 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 #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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 0}
!12 = !{!"gaussians_1d_obj", !10, i64 0, !6, i64 8}
!13 = !{!12, !6, i64 8}
!14 = !{!15, !16, i64 0}
!15 = !{!"gaussian_1d_obj", !16, i64 0, !16, i64 4, !16, i64 8, !16, i64 12}
!16 = !{!"float", !7, i64 0}
!17 = !{!15, !16, i64 4}
!18 = !{!15, !16, i64 8}
!19 = distinct !{!19, !20}
!20 = !{!"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"

@.str.3 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [45 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [7 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #0

; Function Attrs: nofree nounwind uwtable
define dso_local void @gaussians_1d_printf(ptr nocapture noundef readonly %0) local_unnamed_addr #1 {
  %2 = load i32, ptr %0, align 8, !tbaa !5
  %.not13 = icmp eq i32 %2, 0
  br i1 %.not13, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %1
  %3 = getelementptr inbounds i8, ptr %0, i64 8
  br label %4

4:                                                ; preds = %.lr.ph, %22
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %22 ]
  %5 = trunc nuw i64 %indvars.iv to i32
  %6 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i32 noundef %5)
  %7 = load ptr, ptr %3, align 8, !tbaa !11
  %8 = getelementptr inbounds ptr, ptr %7, i64 %indvars.iv
  %9 = load ptr, ptr %8, align 8, !tbaa !12
  %.not = icmp eq ptr %9, null
  br i1 %.not, label %20, label %10

10:                                               ; preds = %4
  %11 = load float, ptr %9, align 4, !tbaa !13
  %12 = fpext float %11 to double
  %13 = getelementptr inbounds i8, ptr %9, i64 4
  %14 = load float, ptr %13, align 4, !tbaa !16
  %15 = fpext float %14 to double
  %16 = getelementptr inbounds i8, ptr %9, i64 8
  %17 = load float, ptr %16, align 4, !tbaa !17
  %18 = fpext float %17 to double
  %19 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.4, double noundef %12, double noundef %15, double noundef %18)
  br label %22

20:                                               ; preds = %4
  %21 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.5)
  br label %22

22:                                               ; preds = %20, %10
  %23 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.6)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %24 = load i32, ptr %0, align 8, !tbaa !5
  %25 = zext i32 %24 to i64
  %26 = icmp ult i64 %indvars.iv.next, %25
  br i1 %26, label %4, label %._crit_edge, !llvm.loop !18

._crit_edge:                                      ; preds = %22, %1
  ret void
}

attributes #0 = { nofree nounwind "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 = { nofree 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, !7, i64 0}
!6 = !{!"gaussians_1d_obj", !7, i64 0, !10, i64 8}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !10, i64 8}
!12 = !{!10, !10, i64 0}
!13 = !{!14, !15, i64 0}
!14 = !{!"gaussian_1d_obj", !15, i64 0, !15, i64 4, !15, i64 8, !15, i64 12}
!15 = !{!"float", !8, i64 0}
!16 = !{!14, !15, i64 4}
!17 = !{!14, !15, i64 8}
!18 = distinct !{!18, !19}
!19 = !{!"llvm.loop.mustprogress"}


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