; LLVM IR from jingweizhanghuai/Morn :: src/math (morn_calculate)

; 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: nounwind uwtable
declare dso_local double @Calculate(ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local double @mCalculate(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca double, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  %9 = load ptr, ptr %2, align 8, !tbaa !5
  %10 = call i64 @strlen(ptr noundef %9) #6
  %11 = add i64 %10, 1
  %12 = trunc i64 %11 to i32
  store i32 %12, ptr %3, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  %13 = load i32, ptr %3, align 4, !tbaa !9
  %14 = sext i32 %13 to i64
  %15 = mul i64 %14, 1
  %16 = call noalias ptr @malloc(i64 noundef %15) #7
  store ptr %16, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %17, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  store i32 0, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %18

18:                                               ; preds = %43, %1
  %19 = load i32, ptr %6, align 4, !tbaa !9
  %20 = load i32, ptr %3, align 4, !tbaa !9
  %21 = icmp slt i32 %19, %20
  br i1 %21, label %22, label %46

22:                                               ; preds = %18
  %23 = load ptr, ptr %2, align 8, !tbaa !5
  %24 = load i32, ptr %6, align 4, !tbaa !9
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds i8, ptr %23, i64 %25
  %27 = load i8, ptr %26, align 1, !tbaa !11
  %28 = sext i8 %27 to i32
  %29 = icmp sgt i32 %28, 32
  br i1 %29, label %30, label %42

30:                                               ; preds = %22
  %31 = load ptr, ptr %2, align 8, !tbaa !5
  %32 = load i32, ptr %6, align 4, !tbaa !9
  %33 = sext i32 %32 to i64
  %34 = getelementptr inbounds i8, ptr %31, i64 %33
  %35 = load i8, ptr %34, align 1, !tbaa !11
  %36 = load ptr, ptr %4, align 8, !tbaa !5
  %37 = load i32, ptr %7, align 4, !tbaa !9
  %38 = sext i32 %37 to i64
  %39 = getelementptr inbounds i8, ptr %36, i64 %38
  store i8 %35, ptr %39, align 1, !tbaa !11
  %40 = load i32, ptr %7, align 4, !tbaa !9
  %41 = add nsw i32 %40, 1
  store i32 %41, ptr %7, align 4, !tbaa !9
  br label %42

42:                                               ; preds = %30, %22
  br label %43

43:                                               ; preds = %42
  %44 = load i32, ptr %6, align 4, !tbaa !9
  %45 = add nsw i32 %44, 1
  store i32 %45, ptr %6, align 4, !tbaa !9
  br label %18, !llvm.loop !12

46:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  %47 = call double @Calculate(ptr noundef %5)
  store double %47, ptr %8, align 8, !tbaa !14
  %48 = load ptr, ptr %4, align 8, !tbaa !5
  call void @free(ptr noundef %48) #5
  %49 = load double, ptr %8, align 8, !tbaa !14
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  ret double %49
}

; Function Attrs: nounwind willreturn memory(read)
declare i64 @strlen(ptr noundef) #2

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #3

; Function Attrs: nounwind
declare void @free(ptr noundef) #4

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 willreturn memory(read) "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 allocsize(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 #4 = { nounwind "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 #5 = { nounwind }
attributes #6 = { nounwind willreturn memory(read) }
attributes #7 = { nounwind allocsize(0) }

!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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = !{!15, !15, i64 0}
!15 = !{!"double", !7, i64 0}


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

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

; Function Attrs: nounwind uwtable
declare dso_local double @Calculate(ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local double @mCalculate(ptr nocapture noundef readonly %0) local_unnamed_addr #1 {
  %2 = alloca ptr, align 8
  %3 = tail call i64 @strlen(ptr noundef nonnull dereferenceable(1) %0) #5
  %4 = trunc i64 %3 to i32
  %5 = add i32 %4, 1
  %6 = sext i32 %5 to i64
  %7 = tail call noalias ptr @malloc(i64 noundef %6) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #7
  store ptr %7, ptr %2, align 8, !tbaa !5
  %8 = icmp ult i32 %4, 2147483647
  br i1 %8, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %1
  %wide.trip.count = zext i32 %5 to i64
  %xtraiter = and i64 %wide.trip.count, 1
  %9 = icmp eq i32 %4, 0
  br i1 %9, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph.preheader.new

.lr.ph.preheader.new:                             ; preds = %.lr.ph.preheader
  %unroll_iter = and i64 %wide.trip.count, 4294967294
  br label %.lr.ph

.lr.ph:                                           ; preds = %24, %.lr.ph.preheader.new
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader.new ], [ %indvars.iv.next.1, %24 ]
  %.01415 = phi i32 [ 0, %.lr.ph.preheader.new ], [ %.1.1, %24 ]
  %niter = phi i64 [ 0, %.lr.ph.preheader.new ], [ %niter.next.1, %24 ]
  %10 = getelementptr inbounds i8, ptr %0, i64 %indvars.iv
  %11 = load i8, ptr %10, align 1, !tbaa !9
  %12 = icmp sgt i8 %11, 32
  br i1 %12, label %13, label %.lr.ph.1

13:                                               ; preds = %.lr.ph
  %14 = sext i32 %.01415 to i64
  %15 = getelementptr inbounds i8, ptr %7, i64 %14
  store i8 %11, ptr %15, align 1, !tbaa !9
  %16 = add nsw i32 %.01415, 1
  br label %.lr.ph.1

.lr.ph.1:                                         ; preds = %.lr.ph, %13
  %.1 = phi i32 [ %16, %13 ], [ %.01415, %.lr.ph ]
  %indvars.iv.next = or disjoint i64 %indvars.iv, 1
  %17 = getelementptr inbounds i8, ptr %0, i64 %indvars.iv.next
  %18 = load i8, ptr %17, align 1, !tbaa !9
  %19 = icmp sgt i8 %18, 32
  br i1 %19, label %20, label %24

20:                                               ; preds = %.lr.ph.1
  %21 = sext i32 %.1 to i64
  %22 = getelementptr inbounds i8, ptr %7, i64 %21
  store i8 %18, ptr %22, align 1, !tbaa !9
  %23 = add nsw i32 %.1, 1
  br label %24

24:                                               ; preds = %20, %.lr.ph.1
  %.1.1 = phi i32 [ %23, %20 ], [ %.1, %.lr.ph.1 ]
  %indvars.iv.next.1 = add nuw nsw i64 %indvars.iv, 2
  %niter.next.1 = add i64 %niter, 2
  %niter.ncmp.1 = icmp eq i64 %niter.next.1, %unroll_iter
  br i1 %niter.ncmp.1, label %._crit_edge.loopexit.unr-lcssa.loopexit, label %.lr.ph, !llvm.loop !10

._crit_edge.loopexit.unr-lcssa.loopexit:          ; preds = %24
  %25 = sext i32 %.1.1 to i64
  br label %._crit_edge.loopexit.unr-lcssa

._crit_edge.loopexit.unr-lcssa:                   ; preds = %._crit_edge.loopexit.unr-lcssa.loopexit, %.lr.ph.preheader
  %indvars.iv.unr = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next.1, %._crit_edge.loopexit.unr-lcssa.loopexit ]
  %.01415.unr = phi i64 [ 0, %.lr.ph.preheader ], [ %25, %._crit_edge.loopexit.unr-lcssa.loopexit ]
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br i1 %lcmp.mod.not, label %._crit_edge, label %.lr.ph.epil

.lr.ph.epil:                                      ; preds = %._crit_edge.loopexit.unr-lcssa
  %26 = getelementptr inbounds i8, ptr %0, i64 %indvars.iv.unr
  %27 = load i8, ptr %26, align 1, !tbaa !9
  %28 = icmp sgt i8 %27, 32
  br i1 %28, label %29, label %._crit_edge

29:                                               ; preds = %.lr.ph.epil
  %30 = getelementptr inbounds i8, ptr %7, i64 %.01415.unr
  store i8 %27, ptr %30, align 1, !tbaa !9
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit.unr-lcssa, %29, %.lr.ph.epil, %1
  %31 = call double @Calculate(ptr noundef nonnull %2)
  call void @free(ptr noundef %7) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #7
  ret double %31
}

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare i64 @strlen(ptr nocapture noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #4

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { mustprogress nofree nounwind willreturn memory(argmem: read) "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 = { mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 #5 = { nounwind willreturn memory(read) }
attributes #6 = { nounwind allocsize(0) }
attributes #7 = { 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/C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}


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