; LLVM IR from einthomas/GVSPP :: vulkanutil.ll (ZN10VulkanUtil23beginSingleTimeCommandsEP10VkDevice_TP15VkCommandPool_T)

; 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.VkCommandBufferAllocateInfo = type { i32, ptr, ptr, i32, i32 }
%struct.VkCommandBufferBeginInfo = type { i32, ptr, i32, ptr }

; 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 nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

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

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_ZN10VulkanUtil23beginSingleTimeCommandsEP10VkDevice_TP15VkCommandPool_T(ptr noundef %0, ptr noundef %1) #2 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %struct.VkCommandBufferAllocateInfo, align 8
  %6 = alloca ptr, align 8
  %7 = alloca %struct.VkCommandBufferBeginInfo, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr %5) #4
  call void @llvm.memset.p0.i64(ptr align 8 %5, i8 0, i64 32, i1 false)
  %8 = getelementptr inbounds %struct.VkCommandBufferAllocateInfo, ptr %5, i32 0, i32 0
  store i32 40, ptr %8, align 8, !tbaa !9
  %9 = getelementptr inbounds %struct.VkCommandBufferAllocateInfo, ptr %5, i32 0, i32 3
  store i32 0, ptr %9, align 8, !tbaa !14
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.VkCommandBufferAllocateInfo, ptr %5, i32 0, i32 2
  store ptr %10, ptr %11, align 8, !tbaa !15
  %12 = getelementptr inbounds %struct.VkCommandBufferAllocateInfo, ptr %5, i32 0, i32 4
  store i32 1, ptr %12, align 4, !tbaa !16
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %13 = load ptr, ptr %3, align 8, !tbaa !5
  %14 = call i32 @vkAllocateCommandBuffers(ptr noundef %13, ptr noundef %5, ptr noundef %6)
  call void @llvm.lifetime.start.p0(i64 32, ptr %7) #4
  call void @llvm.memset.p0.i64(ptr align 8 %7, i8 0, i64 32, i1 false)
  %15 = getelementptr inbounds %struct.VkCommandBufferBeginInfo, ptr %7, i32 0, i32 0
  store i32 42, ptr %15, align 8, !tbaa !17
  %16 = getelementptr inbounds %struct.VkCommandBufferBeginInfo, ptr %7, i32 0, i32 2
  store i32 1, ptr %16, align 8, !tbaa !19
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = call i32 @vkBeginCommandBuffer(ptr noundef %17, ptr noundef %7)
  %19 = load ptr, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #4
  ret ptr %19
}

declare i32 @vkAllocateCommandBuffers(ptr noundef, ptr noundef, ptr noundef) #3

declare i32 @vkBeginCommandBuffer(ptr noundef, ptr noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #2 = { 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 #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 = { 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, !11, i64 0}
!10 = !{!"_ZTS27VkCommandBufferAllocateInfo", !11, i64 0, !6, i64 8, !6, i64 16, !12, i64 24, !13, i64 28}
!11 = !{!"_ZTS15VkStructureType", !7, i64 0}
!12 = !{!"_ZTS20VkCommandBufferLevel", !7, i64 0}
!13 = !{!"int", !7, i64 0}
!14 = !{!10, !12, i64 24}
!15 = !{!10, !6, i64 16}
!16 = !{!10, !13, i64 28}
!17 = !{!18, !11, i64 0}
!18 = !{!"_ZTS24VkCommandBufferBeginInfo", !11, i64 0, !6, i64 8, !13, i64 16, !6, i64 24}
!19 = !{!18, !13, i64 16}


; 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"

%struct.VkCommandBufferAllocateInfo = type { i32, ptr, ptr, i32, i32 }
%struct.VkCommandBufferBeginInfo = type { i32, ptr, i32, ptr }

; 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 nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

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

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_ZN10VulkanUtil23beginSingleTimeCommandsEP10VkDevice_TP15VkCommandPool_T(ptr noundef %0, ptr noundef %1) local_unnamed_addr #2 align 2 {
  %3 = alloca %struct.VkCommandBufferAllocateInfo, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %struct.VkCommandBufferBeginInfo, align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #4
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(32) %3, i8 0, i64 16, i1 false)
  store i32 40, ptr %3, align 8, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %3, i64 24
  store i32 0, ptr %6, align 8, !tbaa !13
  %7 = getelementptr inbounds i8, ptr %3, i64 16
  store ptr %1, ptr %7, align 8, !tbaa !14
  %8 = getelementptr inbounds i8, ptr %3, i64 28
  store i32 1, ptr %8, align 4, !tbaa !15
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %9 = call i32 @vkAllocateCommandBuffers(ptr noundef %0, ptr noundef nonnull %3, ptr noundef nonnull %4)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #4
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(32) %5, i8 0, i64 32, i1 false)
  store i32 42, ptr %5, align 8, !tbaa !16
  %10 = getelementptr inbounds i8, ptr %5, i64 16
  store i32 1, ptr %10, align 8, !tbaa !18
  %11 = load ptr, ptr %4, align 8, !tbaa !19
  %12 = call i32 @vkBeginCommandBuffer(ptr noundef %11, ptr noundef nonnull %5)
  %13 = load ptr, ptr %4, align 8, !tbaa !19
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #4
  ret ptr %13
}

declare i32 @vkAllocateCommandBuffers(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #3

declare i32 @vkBeginCommandBuffer(ptr noundef, ptr noundef) local_unnamed_addr #3

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #2 = { 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 #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 = { 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, !7, i64 0}
!6 = !{!"_ZTS27VkCommandBufferAllocateInfo", !7, i64 0, !10, i64 8, !10, i64 16, !11, i64 24, !12, i64 28}
!7 = !{!"_ZTS15VkStructureType", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!"_ZTS20VkCommandBufferLevel", !8, i64 0}
!12 = !{!"int", !8, i64 0}
!13 = !{!6, !11, i64 24}
!14 = !{!6, !10, i64 16}
!15 = !{!6, !12, i64 28}
!16 = !{!17, !7, i64 0}
!17 = !{!"_ZTS24VkCommandBufferBeginInfo", !7, i64 0, !10, i64 8, !12, i64 16, !10, i64 24}
!18 = !{!17, !12, i64 16}
!19 = !{!10, !10, i64 0}


; Effective O3 passes: DSEPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,SROAPass