; LLVM IR from jingweizhanghuai/Morn :: src/util (morn_memory_block)

; 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 = external hidden unnamed_addr constant [84 x i8], align 1
@__FUNCTION__.DeviceSetup = external hidden unnamed_addr constant [12 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [23 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local void @DeviceSetup(i32 noundef %0) #0 {
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  store i32 %0, ptr %2, align 4, !tbaa !5
  br label %4

4:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  %5 = load i32, ptr %2, align 4, !tbaa !5
  %6 = icmp ne i32 %5, 0
  %7 = zext i1 %6 to i32
  store i32 %7, ptr %3, align 4, !tbaa !5
  %8 = load i32, ptr %3, align 4, !tbaa !5
  %9 = icmp ne i32 %8, 0
  br i1 %9, label %10, label %12

10:                                               ; preds = %4
  %11 = load i32, ptr %3, align 4, !tbaa !5
  call void (i32, i32, ptr, i32, ptr, ptr, ...) @m_Exception(i32 noundef %11, i32 noundef -1, ptr noundef @.str, i32 noundef 162, ptr noundef @__FUNCTION__.DeviceSetup, ptr noundef @.str.1)
  br label %12

12:                                               ; preds = %10, %4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  br label %13

13:                                               ; preds = %12
  ret void
}

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

declare void @m_Exception(i32 noundef, i32 noundef, ptr noundef, i32 noundef, ptr noundef, ptr noundef, ...) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 willreturn memory(argmem: readwrite) }
attributes #2 = { "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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; 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 = external hidden unnamed_addr constant [84 x i8], align 1
@__FUNCTION__.DeviceSetup = external hidden unnamed_addr constant [12 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [23 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local void @DeviceSetup(i32 noundef %0) local_unnamed_addr #0 {
  %.not = icmp eq i32 %0, 0
  br i1 %.not, label %3, label %2

2:                                                ; preds = %1
  tail call void (i32, i32, ptr, i32, ptr, ptr, ...) @m_Exception(i32 noundef 1, i32 noundef -1, ptr noundef nonnull @.str, i32 noundef 162, ptr noundef nonnull @__FUNCTION__.DeviceSetup, ptr noundef nonnull @.str.1) #2
  br label %3

3:                                                ; preds = %2, %1
  ret void
}

declare void @m_Exception(i32 noundef, i32 noundef, ptr noundef, i32 noundef, ptr noundef, ptr noundef, ...) local_unnamed_addr #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 = { "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 }

!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,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass