; LLVM IR from drohmer/cgp :: library/cgp/17_timer/timer_basic/timer_basic.ll (ZN3cgp11timer_basicC2Ev)

; 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.cgp::timer_basic" = type { float, float, i8, float }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3cgp11timer_basicC2Ev(ptr noundef nonnull align 4 dereferenceable(16) %0) unnamed_addr #0 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  %4 = getelementptr inbounds %"class.cgp::timer_basic", ptr %3, i32 0, i32 0
  store float 0.000000e+00, ptr %4, align 4, !tbaa !9
  %5 = getelementptr inbounds %"class.cgp::timer_basic", ptr %3, i32 0, i32 1
  store float 1.000000e+00, ptr %5, align 4, !tbaa !13
  %6 = getelementptr inbounds %"class.cgp::timer_basic", ptr %3, i32 0, i32 2
  store i8 1, ptr %6, align 4, !tbaa !14
  %7 = getelementptr inbounds %"class.cgp::timer_basic", ptr %3, i32 0, i32 3
  %8 = call double @glfwGetTime()
  %9 = fptrunc double %8 to float
  store float %9, ptr %7, align 4, !tbaa !15
  ret void
}

declare double @glfwGetTime() #1

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" }
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" }

!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, !11, i64 0}
!10 = !{!"_ZTSN3cgp11timer_basicE", !11, i64 0, !11, i64 4, !12, i64 8, !11, i64 12}
!11 = !{!"float", !7, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{!10, !11, i64 4}
!14 = !{!10, !12, i64 8}
!15 = !{!10, !11, i64 12}


; 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 uwtable
define dso_local void @_ZN3cgp11timer_basicC2Ev(ptr nocapture noundef nonnull writeonly align 4 dereferenceable(16) %0) unnamed_addr #0 align 2 {
  store <2 x float> <float 0.000000e+00, float 1.000000e+00>, ptr %0, align 4, !tbaa !5
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  store i8 1, ptr %2, align 4, !tbaa !9
  %3 = getelementptr inbounds i8, ptr %0, i64 12
  %4 = tail call double @glfwGetTime()
  %5 = fptrunc double %4 to float
  store float %5, ptr %3, align 4, !tbaa !12
  ret void
}

declare double @glfwGetTime() local_unnamed_addr #1

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" }
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" }

!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 = !{!"float", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !11, i64 8}
!10 = !{!"_ZTSN3cgp11timer_basicE", !6, i64 0, !6, i64 4, !11, i64 8, !6, i64 12}
!11 = !{!"bool", !7, i64 0}
!12 = !{!10, !6, i64 12}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InstCombinePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass,TailCallElimPass