; LLVM IR from SourangshuGhosh/Fluid-Simulation-for-Computer-Graphics :: src/vmath.ll (ZN5vmathdVERNS_4vec3Ef)

; 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.vmath::vec3" = type { float, float, float }

; 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: mustprogress nounwind uwtable
define dso_local noundef nonnull align 4 dereferenceable(12) ptr @_ZN5vmathdVERNS_4vec3Ef(ptr noundef nonnull align 4 dereferenceable(12) %0, float noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca float, align 4
  %5 = alloca float, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store float %1, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #2
  %6 = load float, ptr %4, align 4, !tbaa !9
  %7 = fpext float %6 to double
  %8 = fdiv double 1.000000e+00, %7
  %9 = fptrunc double %8 to float
  store float %9, ptr %5, align 4, !tbaa !9
  %10 = load float, ptr %5, align 4, !tbaa !9
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  %12 = getelementptr inbounds %"class.vmath::vec3", ptr %11, i32 0, i32 0
  %13 = load float, ptr %12, align 4, !tbaa !11
  %14 = fmul float %13, %10
  store float %14, ptr %12, align 4, !tbaa !11
  %15 = load float, ptr %5, align 4, !tbaa !9
  %16 = load ptr, ptr %3, align 8, !tbaa !5
  %17 = getelementptr inbounds %"class.vmath::vec3", ptr %16, i32 0, i32 1
  %18 = load float, ptr %17, align 4, !tbaa !13
  %19 = fmul float %18, %15
  store float %19, ptr %17, align 4, !tbaa !13
  %20 = load float, ptr %5, align 4, !tbaa !9
  %21 = load ptr, ptr %3, align 8, !tbaa !5
  %22 = getelementptr inbounds %"class.vmath::vec3", ptr %21, i32 0, i32 2
  %23 = load float, ptr %22, align 4, !tbaa !14
  %24 = fmul float %23, %20
  store float %24, ptr %22, align 4, !tbaa !14
  %25 = load ptr, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #2
  ret ptr %25
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"float", !7, i64 0}
!11 = !{!12, !10, i64 0}
!12 = !{!"_ZTSN5vmath4vec3E", !10, i64 0, !10, i64 4, !10, i64 8}
!13 = !{!12, !10, i64 4}
!14 = !{!12, !10, i64 8}


; 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 nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) uwtable
define dso_local noundef nonnull align 4 dereferenceable(12) ptr @_ZN5vmathdVERNS_4vec3Ef(ptr noundef nonnull returned align 4 dereferenceable(12) %0, float noundef %1) local_unnamed_addr #0 {
  %3 = fdiv float 1.000000e+00, %1
  %4 = load <2 x float>, ptr %0, align 4, !tbaa !5
  %5 = insertelement <2 x float> poison, float %3, i64 0
  %6 = shufflevector <2 x float> %5, <2 x float> poison, <2 x i32> zeroinitializer
  %7 = fmul <2 x float> %6, %4
  store <2 x float> %7, ptr %0, align 4, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %0, i64 8
  %9 = load float, ptr %8, align 4, !tbaa !9
  %10 = fmul float %3, %9
  store float %10, ptr %8, align 4, !tbaa !9
  ret ptr %0
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) 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 = !{!"float", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 8}
!10 = !{!"_ZTSN5vmath4vec3E", !6, i64 0, !6, i64 4, !6, i64 8}


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