; LLVM IR from USDA-ARS-ACSL/MAIZSIM :: Crop source/stem.ll (ZN5CStemC2Ei)

; 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.CStem = type { %class.COrgan, i32, double, double }
%class.COrgan = type { ptr, double, double, %struct.TInitInfo, ptr, ptr, double, double, double, double, double, double, double, double, double }
%struct.TInitInfo = type { [255 x i8], [255 x i8], i32, i32, double, double, double, double, i32, i32, i32, double, i32, double, i8, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double, double }

@_ZTV5CStem = external dso_local unnamed_addr constant { [18 x ptr] }, align 8

declare void @_ZN6COrganC2Ev(ptr noundef nonnull align 8 dereferenceable(864)) unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN5CStemC2Ei(ptr noundef nonnull align 8 dereferenceable(888) %0, i32 noundef %1) unnamed_addr #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %5 = load ptr, ptr %3, align 8
  call void @_ZN6COrganC2Ev(ptr noundef nonnull align 8 dereferenceable(864) %5)
  store ptr getelementptr inbounds inrange(-16, 128) ({ [18 x ptr] }, ptr @_ZTV5CStem, i32 0, i32 0, i32 2), ptr %5, align 8, !tbaa !11
  %6 = load i32, ptr %4, align 4, !tbaa !9
  %7 = getelementptr inbounds %class.CStem, ptr %5, i32 0, i32 1
  store i32 %6, ptr %7, align 8, !tbaa !13
  %8 = getelementptr inbounds %class.CStem, ptr %5, i32 0, i32 3
  store double 0.000000e+00, ptr %8, align 8, !tbaa !19
  %9 = getelementptr inbounds %class.CStem, ptr %5, i32 0, i32 2
  store double 0.000000e+00, ptr %9, align 8, !tbaa !20
  ret void
}

attributes #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 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" }

!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 = !{!12, !12, i64 0}
!12 = !{!"vtable pointer", !8, i64 0}
!13 = !{!14, !10, i64 864}
!14 = !{!"_ZTS5CStem", !15, i64 0, !10, i64 864, !16, i64 872, !16, i64 880}
!15 = !{!"_ZTS6COrgan", !16, i64 8, !16, i64 16, !17, i64 24, !6, i64 776, !6, i64 784, !16, i64 792, !16, i64 800, !16, i64 808, !16, i64 816, !16, i64 824, !16, i64 832, !16, i64 840, !16, i64 848, !16, i64 856}
!16 = !{!"double", !7, i64 0}
!17 = !{!"_ZTS9TInitInfo", !7, i64 0, !7, i64 255, !10, i64 512, !10, i64 516, !16, i64 520, !16, i64 528, !16, i64 536, !16, i64 544, !10, i64 552, !10, i64 556, !10, i64 560, !16, i64 568, !10, i64 576, !16, i64 584, !18, i64 592, !16, i64 600, !16, i64 608, !16, i64 616, !16, i64 624, !16, i64 632, !16, i64 640, !16, i64 648, !16, i64 656, !16, i64 664, !16, i64 672, !16, i64 680, !16, i64 688, !16, i64 696, !16, i64 704, !16, i64 712, !16, i64 720, !16, i64 728, !16, i64 736, !16, i64 744}
!18 = !{!"bool", !7, i64 0}
!19 = !{!14, !16, i64 880}
!20 = !{!14, !16, i64 872}


; 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"

@_ZTV5CStem = external dso_local unnamed_addr constant { [18 x ptr] }, align 8

declare void @_ZN6COrganC2Ev(ptr noundef nonnull align 8 dereferenceable(864)) unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN5CStemC2Ei(ptr noundef nonnull align 8 dereferenceable(888) %0, i32 noundef %1) unnamed_addr #1 align 2 {
  tail call void @_ZN6COrganC2Ev(ptr noundef nonnull align 8 dereferenceable(864) %0)
  store ptr getelementptr inbounds inrange(-16, 128) (i8, ptr @_ZTV5CStem, i64 16), ptr %0, align 8, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %0, i64 864
  store i32 %1, ptr %3, align 8, !tbaa !8
  %4 = getelementptr inbounds i8, ptr %0, i64 872
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %4, i8 0, i64 16, i1 false)
  ret void
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

attributes #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 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 = { 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)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !14, i64 864}
!9 = !{!"_ZTS5CStem", !10, i64 0, !14, i64 864, !11, i64 872, !11, i64 880}
!10 = !{!"_ZTS6COrgan", !11, i64 8, !11, i64 16, !13, i64 24, !16, i64 776, !16, i64 784, !11, i64 792, !11, i64 800, !11, i64 808, !11, i64 816, !11, i64 824, !11, i64 832, !11, i64 840, !11, i64 848, !11, i64 856}
!11 = !{!"double", !12, i64 0}
!12 = !{!"omnipotent char", !7, i64 0}
!13 = !{!"_ZTS9TInitInfo", !12, i64 0, !12, i64 255, !14, i64 512, !14, i64 516, !11, i64 520, !11, i64 528, !11, i64 536, !11, i64 544, !14, i64 552, !14, i64 556, !14, i64 560, !11, i64 568, !14, i64 576, !11, i64 584, !15, i64 592, !11, i64 600, !11, i64 608, !11, i64 616, !11, i64 624, !11, i64 632, !11, i64 640, !11, i64 648, !11, i64 656, !11, i64 664, !11, i64 672, !11, i64 680, !11, i64 688, !11, i64 696, !11, i64 704, !11, i64 712, !11, i64 720, !11, i64 728, !11, i64 736, !11, i64 744}
!14 = !{!"int", !12, i64 0}
!15 = !{!"bool", !12, i64 0}
!16 = !{!"any pointer", !12, i64 0}


; Effective O3 passes: InstCombinePass,MemCpyOptPass,SROAPass,TailCallElimPass