; LLVM IR from Tencent-RoboticsX/jbdl :: src/jbdl/experimental/qpoases/src/Matrices.ll (ZNK7qpOASES11DenseMatrix10getRowNormEPdi)

; 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.qpOASES::DenseMatrix" = type { ptr, i32, i32, i32, ptr, %"class.qpOASES::Matrix.base" }
%"class.qpOASES::Matrix.base" = type <{ ptr, 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

declare noundef double @_ZN7qpOASES7getNormEPKdii(ptr noundef, i32 noundef, i32 noundef) #1

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZNK7qpOASES11DenseMatrix10getRowNormEPdi(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef %1, i32 noundef %2) unnamed_addr #2 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !9
  %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 = %31, %3
  %10 = load i32, ptr %7, align 4, !tbaa !9
  %11 = getelementptr inbounds %"class.qpOASES::DenseMatrix", ptr %8, i32 0, i32 1
  %12 = load i32, ptr %11, align 8, !tbaa !11
  %13 = icmp slt i32 %10, %12
  br i1 %13, label %14, label %34

14:                                               ; preds = %9
  %15 = getelementptr inbounds %"class.qpOASES::DenseMatrix", ptr %8, i32 0, i32 4
  %16 = load ptr, ptr %15, align 8, !tbaa !13
  %17 = load i32, ptr %7, align 4, !tbaa !9
  %18 = getelementptr inbounds %"class.qpOASES::DenseMatrix", ptr %8, i32 0, i32 3
  %19 = load i32, ptr %18, align 8, !tbaa !14
  %20 = mul nsw i32 %17, %19
  %21 = sext i32 %20 to i64
  %22 = getelementptr inbounds double, ptr %16, i64 %21
  %23 = getelementptr inbounds %"class.qpOASES::DenseMatrix", ptr %8, i32 0, i32 2
  %24 = load i32, ptr %23, align 4, !tbaa !15
  %25 = load i32, ptr %6, align 4, !tbaa !9
  %26 = call noundef double @_ZN7qpOASES7getNormEPKdii(ptr noundef %22, i32 noundef %24, i32 noundef %25)
  %27 = load ptr, ptr %5, align 8, !tbaa !5
  %28 = load i32, ptr %7, align 4, !tbaa !9
  %29 = sext i32 %28 to i64
  %30 = getelementptr inbounds double, ptr %27, i64 %29
  store double %26, ptr %30, align 8, !tbaa !16
  br label %31

31:                                               ; preds = %14
  %32 = load i32, ptr %7, align 4, !tbaa !9
  %33 = add nsw i32 %32, 1
  store i32 %33, ptr %7, align 4, !tbaa !9
  br label %9, !llvm.loop !18

34:                                               ; preds = %9
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  ret i32 0
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { 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 = !{!12, !10, i64 8}
!12 = !{!"_ZTSN7qpOASES11DenseMatrixE", !10, i64 8, !10, i64 12, !10, i64 16, !6, i64 24}
!13 = !{!12, !6, i64 24}
!14 = !{!12, !10, i64 16}
!15 = !{!12, !10, i64 12}
!16 = !{!17, !17, i64 0}
!17 = !{!"double", !7, i64 0}
!18 = distinct !{!18, !19}
!19 = !{!"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"

declare noundef double @_ZN7qpOASES7getNormEPKdii(ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZNK7qpOASES11DenseMatrix10getRowNormEPdi(ptr nocapture noundef nonnull readonly align 8 dereferenceable(32) %0, ptr nocapture noundef writeonly %1, i32 noundef %2) unnamed_addr #1 align 2 {
  %4 = getelementptr inbounds i8, ptr %0, i64 8
  %5 = load i32, ptr %4, align 8, !tbaa !5
  %6 = icmp sgt i32 %5, 0
  br i1 %6, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %3
  %7 = getelementptr inbounds i8, ptr %0, i64 24
  %8 = getelementptr inbounds i8, ptr %0, i64 16
  %9 = getelementptr inbounds i8, ptr %0, i64 12
  br label %10

10:                                               ; preds = %.lr.ph, %10
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %10 ]
  %11 = load ptr, ptr %7, align 8, !tbaa !11
  %12 = load i32, ptr %8, align 8, !tbaa !12
  %13 = trunc nuw nsw i64 %indvars.iv to i32
  %14 = mul nsw i32 %12, %13
  %15 = sext i32 %14 to i64
  %16 = getelementptr inbounds double, ptr %11, i64 %15
  %17 = load i32, ptr %9, align 4, !tbaa !13
  %18 = tail call noundef double @_ZN7qpOASES7getNormEPKdii(ptr noundef %16, i32 noundef %17, i32 noundef %2)
  %19 = getelementptr inbounds double, ptr %1, i64 %indvars.iv
  store double %18, ptr %19, align 8, !tbaa !14
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %20 = load i32, ptr %4, align 8, !tbaa !5
  %21 = sext i32 %20 to i64
  %22 = icmp slt i64 %indvars.iv.next, %21
  br i1 %22, label %10, label %._crit_edge, !llvm.loop !16

._crit_edge:                                      ; preds = %10, %3
  ret i32 0
}

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, !7, i64 8}
!6 = !{!"_ZTSN7qpOASES11DenseMatrixE", !7, i64 8, !7, i64 12, !7, i64 16, !10, i64 24}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !10, i64 24}
!12 = !{!6, !7, i64 16}
!13 = !{!6, !7, i64 12}
!14 = !{!15, !15, i64 0}
!15 = !{!"double", !8, i64 0}
!16 = distinct !{!16, !17}
!17 = !{!"llvm.loop.mustprogress"}


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