; LLVM IR from hbatagelo/abcg :: abcg/external/glslang/SPIRV (SpvBuilder)

; 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: 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: mustprogress uwtable
declare dso_local void @_ZNK3spv11Instruction4dumpERSt6vectorIjSaIjEE(ptr noundef nonnull align 8 dereferenceable(96), ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK3spv7Builder16dumpInstructionsERSt6vectorIjSaIjEERKS1_ISt10unique_ptrINS_11InstructionESt14default_deleteIS6_EESaIS9_EE(ptr noundef nonnull align 8 dereferenceable(1096) %0, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 8 dereferenceable(24) %2) #1 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = 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
  %8 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %9

9:                                                ; preds = %23, %3
  %10 = load i32, ptr %7, align 4, !tbaa !9
  %11 = load ptr, ptr %6, align 8, !tbaa !5
  %12 = call noundef i64 @_ZNKSt6vectorISt10unique_ptrIN3spv11InstructionESt14default_deleteIS2_EESaIS5_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %11) #3
  %13 = trunc i64 %12 to i32
  %14 = icmp slt i32 %10, %13
  br i1 %14, label %16, label %15

15:                                               ; preds = %9
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  br label %26

16:                                               ; preds = %9
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = load i32, ptr %7, align 4, !tbaa !9
  %19 = sext i32 %18 to i64
  %20 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorISt10unique_ptrIN3spv11InstructionESt14default_deleteIS2_EESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %17, i64 noundef %19) #3
  %21 = call noundef ptr @_ZNKSt10unique_ptrIN3spv11InstructionESt14default_deleteIS1_EEptEv(ptr noundef nonnull align 8 dereferenceable(8) %20) #3
  %22 = load ptr, ptr %5, align 8, !tbaa !5
  call void @_ZNK3spv11Instruction4dumpERSt6vectorIjSaIjEE(ptr noundef nonnull align 8 dereferenceable(96) %21, ptr noundef nonnull align 8 dereferenceable(24) %22)
  br label %23

23:                                               ; preds = %16
  %24 = load i32, ptr %7, align 4, !tbaa !9
  %25 = add nsw i32 %24, 1
  store i32 %25, ptr %7, align 4, !tbaa !9
  br label %9, !llvm.loop !11

26:                                               ; preds = %15
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt10unique_ptrIN3spv11InstructionESt14default_deleteIS2_EESaIS5_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorISt10unique_ptrIN3spv11InstructionESt14default_deleteIS2_EESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt10unique_ptrIN3spv11InstructionESt14default_deleteIS1_EEptEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { mustprogress 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++ 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 @_ZNK3spv11Instruction4dumpERSt6vectorIjSaIjEE(ptr noundef nonnull align 8 dereferenceable(96), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK3spv7Builder16dumpInstructionsERSt6vectorIjSaIjEERKS1_ISt10unique_ptrINS_11InstructionESt14default_deleteIS6_EESaIS9_EE(ptr nocapture noundef nonnull readnone align 8 dereferenceable(1096) %0, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 8 dereferenceable(24) %2) local_unnamed_addr #0 align 2 {
  %4 = tail call noundef i64 @_ZNKSt6vectorISt10unique_ptrIN3spv11InstructionESt14default_deleteIS2_EESaIS5_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #2
  %5 = trunc i64 %4 to i32
  %6 = icmp sgt i32 %5, 0
  br i1 %6, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %3
  ret void

.lr.ph:                                           ; preds = %3, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %3 ]
  %7 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorISt10unique_ptrIN3spv11InstructionESt14default_deleteIS2_EESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv) #2
  %8 = tail call noundef ptr @_ZNKSt10unique_ptrIN3spv11InstructionESt14default_deleteIS1_EEptEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #2
  tail call void @_ZNK3spv11Instruction4dumpERSt6vectorIjSaIjEE(ptr noundef nonnull align 8 dereferenceable(96) %8, ptr noundef nonnull align 8 dereferenceable(24) %1)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %9 = tail call noundef i64 @_ZNKSt6vectorISt10unique_ptrIN3spv11InstructionESt14default_deleteIS2_EESaIS5_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #2
  %sext = shl i64 %9, 32
  %10 = ashr exact i64 %sext, 32
  %11 = icmp slt i64 %indvars.iv.next, %10
  br i1 %11, label %.lr.ph, label %._crit_edge, !llvm.loop !5
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt10unique_ptrIN3spv11InstructionESt14default_deleteIS2_EESaIS5_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorISt10unique_ptrIN3spv11InstructionESt14default_deleteIS2_EESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt10unique_ptrIN3spv11InstructionESt14default_deleteIS1_EEptEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 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 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 #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)"}
!5 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


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