; LLVM IR from aap/librw :: src/ps2/ps2.ll (ZN2rw3ps211MatPipeline4initEv)

; 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"

%"class.rw::ps2::MatPipeline" = type { %"class.rw::Pipeline", i32, i32, i32, i32, [10 x ptr], ptr, ptr, ptr, ptr }
%"class.rw::Pipeline" = type { i32, i32, i32 }

; 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
define dso_local void @_ZN2rw3ps211MatPipeline4initEv(ptr noundef nonnull align 8 dereferenceable(144) %0) #1 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %4 = load ptr, ptr %2, align 8
  call void @_ZN2rw8Pipeline4initEj(ptr noundef nonnull align 4 dereferenceable(12) %4, i32 noundef 4)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i32 0, ptr %3, align 4, !tbaa !9
  br label %5

5:                                                ; preds = %14, %1
  %6 = load i32, ptr %3, align 4, !tbaa !9
  %7 = icmp slt i32 %6, 10
  br i1 %7, label %9, label %8

8:                                                ; preds = %5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  br label %17

9:                                                ; preds = %5
  %10 = getelementptr inbounds %"class.rw::ps2::MatPipeline", ptr %4, i32 0, i32 5
  %11 = load i32, ptr %3, align 4, !tbaa !9
  %12 = sext i32 %11 to i64
  %13 = getelementptr inbounds [10 x ptr], ptr %10, i64 0, i64 %12
  store ptr null, ptr %13, align 8, !tbaa !5
  br label %14

14:                                               ; preds = %9
  %15 = load i32, ptr %3, align 4, !tbaa !9
  %16 = add nsw i32 %15, 1
  store i32 %16, ptr %3, align 4, !tbaa !9
  br label %5, !llvm.loop !11

17:                                               ; preds = %8
  %18 = getelementptr inbounds %"class.rw::ps2::MatPipeline", ptr %4, i32 0, i32 6
  store ptr null, ptr %18, align 8, !tbaa !13
  %19 = getelementptr inbounds %"class.rw::ps2::MatPipeline", ptr %4, i32 0, i32 7
  store ptr null, ptr %19, align 8, !tbaa !16
  %20 = getelementptr inbounds %"class.rw::ps2::MatPipeline", ptr %4, i32 0, i32 8
  store ptr null, ptr %20, align 8, !tbaa !17
  %21 = getelementptr inbounds %"class.rw::ps2::MatPipeline", ptr %4, i32 0, i32 9
  store ptr null, ptr %21, align 8, !tbaa !18
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN2rw8Pipeline4initEj(ptr noundef nonnull align 4 dereferenceable(12), i32 noundef) #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"}
!13 = !{!14, !6, i64 112}
!14 = !{!"_ZTSN2rw3ps211MatPipelineE", !15, i64 0, !10, i64 12, !10, i64 16, !10, i64 20, !10, i64 24, !7, i64 32, !6, i64 112, !6, i64 120, !6, i64 128, !6, i64 136}
!15 = !{!"_ZTSN2rw8PipelineE", !10, i64 0, !10, i64 4, !10, i64 8}
!16 = !{!14, !6, i64 120}
!17 = !{!14, !6, i64 128}
!18 = !{!14, !6, i64 136}


; 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 nounwind uwtable
define dso_local void @_ZN2rw3ps211MatPipeline4initEv(ptr noundef nonnull align 8 dereferenceable(144) %0) local_unnamed_addr #0 align 2 {
  tail call void @_ZN2rw8Pipeline4initEj(ptr noundef nonnull align 4 dereferenceable(12) %0, i32 noundef 4)
  %2 = getelementptr inbounds i8, ptr %0, i64 32
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(112) %2, i8 0, i64 112, i1 false)
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN2rw8Pipeline4initEj(ptr noundef nonnull align 4 dereferenceable(12), i32 noundef) local_unnamed_addr #0 align 2

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

attributes #0 = { 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 #1 = { nocallback nofree nounwind willreturn memory(argmem: write) }

!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: GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LICMPass,LoopIdiomRecognizePass,LoopRotatePass,MemCpyOptPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass