; LLVM IR from libxsmm/libxsmm :: src (libxsmm_malloc)

; 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"

@.str.1 = external hidden unnamed_addr constant [70 x i8], align 1
@internal_malloc_kind = external dso_local global i32, align 64
@libxsmm_ninit = external global i32, align 4
@.str.77 = external hidden unnamed_addr constant [41 x i8], align 1
@__PRETTY_FUNCTION__.libxsmm_aligned_malloc = external hidden unnamed_addr constant [45 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

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local void @internal_scratch_malloc(ptr noundef, i64 noundef, i64 noundef, i32 noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @libxsmm_xmalloc(ptr noundef, i64 noundef, i64 noundef, i32 noundef, ptr noundef, i64 noundef) #2

declare void @libxsmm_init() #3

; Function Attrs: nounwind uwtable
define dso_local noalias ptr @libxsmm_aligned_malloc(i64 noundef %0, i64 noundef %1) #2 {
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  store i64 %0, ptr %3, align 8, !tbaa !5
  store i64 %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  store ptr null, ptr %5, align 8, !tbaa !9
  %8 = load i32, ptr @libxsmm_ninit, align 4, !tbaa !11
  %9 = icmp ugt i32 2, %8
  br i1 %9, label %10, label %11

10:                                               ; preds = %2
  call void @libxsmm_init()
  br label %11

11:                                               ; preds = %10, %2
  %12 = load i32, ptr @internal_malloc_kind, align 64, !tbaa !11
  %13 = icmp sgt i32 2, %12
  br i1 %13, label %14, label %26

14:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  %15 = load i64, ptr %3, align 8, !tbaa !5
  %16 = load i64, ptr %4, align 8, !tbaa !5
  %17 = call i32 @libxsmm_xmalloc(ptr noundef %5, i64 noundef %15, i64 noundef %16, i32 noundef 0, ptr noundef null, i64 noundef 0)
  store i32 %17, ptr %6, align 4, !tbaa !11
  %18 = load i32, ptr %6, align 4, !tbaa !11
  %19 = icmp eq i32 0, %18
  br i1 %19, label %23, label %20

20:                                               ; preds = %14
  %21 = load ptr, ptr %5, align 8, !tbaa !9
  %22 = icmp eq ptr null, %21
  br i1 %22, label %23, label %24

23:                                               ; preds = %20, %14
  br label %25

24:                                               ; preds = %20
  call void @__assert_fail(ptr noundef @.str.77, ptr noundef @.str.1, i32 noundef 2375, ptr noundef @__PRETTY_FUNCTION__.libxsmm_aligned_malloc) #6
  unreachable

25:                                               ; preds = %23
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  br label %31

26:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %27 = call ptr @libxsmm_trace_caller_id(i32 noundef 0)
  store ptr %27, ptr %7, align 8, !tbaa !9
  %28 = load i64, ptr %3, align 8, !tbaa !5
  %29 = load i64, ptr %4, align 8, !tbaa !5
  %30 = load ptr, ptr %7, align 8, !tbaa !9
  call void @internal_scratch_malloc(ptr noundef %5, i64 noundef %28, i64 noundef %29, i32 noundef 0, ptr noundef %30)
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  br label %31

31:                                               ; preds = %26, %25
  %32 = load ptr, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  ret ptr %32
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden ptr @libxsmm_trace_caller_id(i32 noundef) #4

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { noreturn 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 #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 = { "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 = { inlinehint 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 #5 = { nounwind }
attributes #6 = { noreturn 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}


; 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.1 = external hidden unnamed_addr constant [70 x i8], align 1
@internal_malloc_kind = external dso_local local_unnamed_addr global i32, align 64
@libxsmm_ninit = external local_unnamed_addr global i32, align 4
@.str.77 = external hidden unnamed_addr constant [41 x i8], align 1
@__PRETTY_FUNCTION__.libxsmm_aligned_malloc = external hidden unnamed_addr constant [45 x i8], align 1

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

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

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare dso_local void @internal_scratch_malloc(ptr noundef, i64 noundef, i64 noundef, i32 noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @libxsmm_xmalloc(ptr noundef, i64 noundef, i64 noundef, i32 noundef, ptr noundef, i64 noundef) local_unnamed_addr #2

declare void @libxsmm_init() local_unnamed_addr #3

; Function Attrs: nounwind uwtable
define dso_local noalias ptr @libxsmm_aligned_malloc(i64 noundef %0, i64 noundef %1) local_unnamed_addr #2 {
  %3 = alloca ptr, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  store ptr null, ptr %3, align 8, !tbaa !5
  %4 = load i32, ptr @libxsmm_ninit, align 4, !tbaa !9
  %5 = icmp ult i32 %4, 2
  br i1 %5, label %6, label %7

6:                                                ; preds = %2
  tail call void @libxsmm_init() #5
  br label %7

7:                                                ; preds = %6, %2
  %8 = load i32, ptr @internal_malloc_kind, align 64, !tbaa !9
  %9 = icmp slt i32 %8, 2
  br i1 %9, label %10, label %16

10:                                               ; preds = %7
  %11 = call i32 @libxsmm_xmalloc(ptr noundef nonnull %3, i64 noundef %0, i64 noundef %1, i32 noundef 0, ptr noundef null, i64 noundef 0)
  %12 = icmp eq i32 %11, 0
  %13 = load ptr, ptr %3, align 8
  %14 = icmp eq ptr %13, null
  %or.cond = select i1 %12, i1 true, i1 %14
  br i1 %or.cond, label %18, label %15

15:                                               ; preds = %10
  call void @__assert_fail(ptr noundef nonnull @.str.77, ptr noundef nonnull @.str.1, i32 noundef 2375, ptr noundef nonnull @__PRETTY_FUNCTION__.libxsmm_aligned_malloc) #6
  unreachable

16:                                               ; preds = %7
  %17 = tail call ptr @libxsmm_trace_caller_id(i32 noundef 0)
  call void @internal_scratch_malloc(ptr noundef nonnull %3, i64 noundef %0, i64 noundef %1, i32 noundef 0, ptr noundef %17)
  %.pre = load ptr, ptr %3, align 8, !tbaa !5
  br label %18

18:                                               ; preds = %10, %16
  %19 = phi ptr [ %13, %10 ], [ %.pre, %16 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  ret ptr %19
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden ptr @libxsmm_trace_caller_id(i32 noundef) local_unnamed_addr #4

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { noreturn 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 #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 = { "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 = { inlinehint 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 #5 = { nounwind }
attributes #6 = { noreturn 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}


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