; LLVM IR from facebookresearch/habitat-sim :: src/deps/basis-universal/encoder (basisu_enc)

; 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"

@_ZN6basisu14interval_timer12g_timer_freqE = external dso_local global double, align 8

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN6basisu14interval_timer4initEv() #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef double @_ZN6basisu14interval_timer13ticks_to_secsEm(i64 noundef %0) #0 align 2 {
  %2 = alloca i64, align 8
  store i64 %0, ptr %2, align 8, !tbaa !5
  %3 = load double, ptr @_ZN6basisu14interval_timer12g_timer_freqE, align 8, !tbaa !9
  %4 = fcmp une double %3, 0.000000e+00
  br i1 %4, label %6, label %5

5:                                                ; preds = %1
  call void @_ZN6basisu14interval_timer4initEv()
  br label %6

6:                                                ; preds = %5, %1
  %7 = load i64, ptr %2, align 8, !tbaa !5
  %8 = uitofp i64 %7 to double
  %9 = load double, ptr @_ZN6basisu14interval_timer12g_timer_freqE, align 8, !tbaa !9
  %10 = fmul double %8, %9
  ret double %10
}

attributes #0 = { 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"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"

@_ZN6basisu14interval_timer12g_timer_freqE = external dso_local local_unnamed_addr global double, align 8

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN6basisu14interval_timer4initEv() local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef double @_ZN6basisu14interval_timer13ticks_to_secsEm(i64 noundef %0) local_unnamed_addr #0 align 2 {
  %2 = load double, ptr @_ZN6basisu14interval_timer12g_timer_freqE, align 8, !tbaa !5
  %3 = fcmp une double %2, 0.000000e+00
  br i1 %3, label %5, label %4

4:                                                ; preds = %1
  tail call void @_ZN6basisu14interval_timer4initEv()
  %.pre = load double, ptr @_ZN6basisu14interval_timer12g_timer_freqE, align 8, !tbaa !5
  br label %5

5:                                                ; preds = %4, %1
  %6 = phi double [ %.pre, %4 ], [ %2, %1 ]
  %7 = uitofp i64 %0 to double
  %8 = fmul double %6, %7
  ret double %8
}

attributes #0 = { 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 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; Effective O3 passes: GVNPass,GlobalOptPass,InstCombinePass,ReassociatePass,SROAPass,TailCallElimPass