; LLVM IR from bgin/Radar_ElectroOptical_Simulation :: Hardware (GMS_fast_pmc_access)

; 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
define dso_local i64 @full_rdtscp(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #2
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #2
  %8 = call { i64, i64, i64 } asm sideeffect "rdtscp", "={ax},={dx},={cx},~{dirflag},~{fpsr},~{flags}"() #2, !srcloc !9
  %9 = extractvalue { i64, i64, i64 } %8, 0
  %10 = extractvalue { i64, i64, i64 } %8, 1
  %11 = extractvalue { i64, i64, i64 } %8, 2
  store i64 %9, ptr %5, align 8, !tbaa !10
  store i64 %10, ptr %6, align 8, !tbaa !10
  store i64 %11, ptr %7, align 8, !tbaa !10
  %12 = load i64, ptr %7, align 8, !tbaa !10
  %13 = and i64 %12, 16773120
  %14 = lshr i64 %13, 12
  %15 = trunc i64 %14 to i32
  %16 = load ptr, ptr %3, align 8, !tbaa !5
  store i32 %15, ptr %16, align 4, !tbaa !12
  %17 = load i64, ptr %7, align 8, !tbaa !10
  %18 = and i64 %17, 4095
  %19 = trunc i64 %18 to i32
  %20 = load ptr, ptr %4, align 8, !tbaa !5
  store i32 %19, ptr %20, align 4, !tbaa !12
  %21 = load i64, ptr %5, align 8, !tbaa !10
  %22 = load i64, ptr %6, align 8, !tbaa !10
  %23 = shl i64 %22, 32
  %24 = or i64 %21, %23
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #2
  ret i64 %24
}

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 }

!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 = !{i64 409}
!10 = !{!11, !11, i64 0}
!11 = !{!"long", !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"int", !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: nounwind uwtable
define dso_local i64 @full_rdtscp(ptr nocapture noundef writeonly %0, ptr nocapture noundef writeonly %1) local_unnamed_addr #0 {
  %3 = tail call { i64, i64, i64 } asm sideeffect "rdtscp", "={ax},={dx},={cx},~{dirflag},~{fpsr},~{flags}"() #1, !srcloc !5
  %4 = extractvalue { i64, i64, i64 } %3, 0
  %5 = extractvalue { i64, i64, i64 } %3, 1
  %6 = extractvalue { i64, i64, i64 } %3, 2
  %7 = trunc i64 %6 to i32
  %8 = lshr i32 %7, 12
  %9 = and i32 %8, 4095
  store i32 %9, ptr %0, align 4, !tbaa !6
  %10 = and i32 %7, 4095
  store i32 %10, ptr %1, align 4, !tbaa !6
  %11 = shl i64 %5, 32
  %12 = or i64 %11, %4
  ret i64 %12
}

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" }
attributes #1 = { 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 = !{i64 409}
!6 = !{!7, !7, i64 0}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,TailCallElimPass