; LLVM IR from Stephane-D/SGDK :: src (timer)

; 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: nounwind uwtable
declare dso_local void @waitSubTick(i64 noundef) #0

; Function Attrs: nounwind uwtable
declare dso_local void @waitTick(i64 noundef) #0

; Function Attrs: nounwind uwtable
define dso_local void @waitMs(i64 noundef %0) #0 {
  %2 = alloca i64, align 8
  store i64 %0, ptr %2, align 8, !tbaa !5
  %3 = load i64, ptr %2, align 8, !tbaa !5
  %4 = icmp ult i64 %3, 100
  br i1 %4, label %5, label %9

5:                                                ; preds = %1
  %6 = load i64, ptr %2, align 8, !tbaa !5
  %7 = mul i64 %6, 76800
  %8 = udiv i64 %7, 1000
  call void @waitSubTick(i64 noundef %8)
  br label %13

9:                                                ; preds = %1
  %10 = load i64, ptr %2, align 8, !tbaa !5
  %11 = mul i64 %10, 300
  %12 = udiv i64 %11, 1000
  call void @waitTick(i64 noundef %12)
  br label %13

13:                                               ; preds = %9, %5
  ret void
}

attributes #0 = { 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" }

!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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; 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: nounwind uwtable
declare dso_local void @waitSubTick(i64 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local void @waitTick(i64 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @waitMs(i64 noundef %0) local_unnamed_addr #0 {
  %2 = icmp ult i64 %0, 100
  br i1 %2, label %3, label %6

3:                                                ; preds = %1
  %4 = trunc nuw i64 %0 to i32
  %.lhs.trunc = mul nuw nsw i32 %4, 76800
  %5 = udiv i32 %.lhs.trunc, 1000
  %.zext = zext nneg i32 %5 to i64
  tail call void @waitSubTick(i64 noundef %.zext)
  br label %9

6:                                                ; preds = %1
  %7 = mul i64 %0, 300
  %8 = udiv i64 %7, 1000
  tail call void @waitTick(i64 noundef %8)
  br label %9

9:                                                ; preds = %6, %3
  ret void
}

attributes #0 = { 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" }

!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: CorrelatedValuePropagationPass,GlobalOptPass,IPSCCPPass,InstCombinePass,SROAPass,TailCallElimPass