; LLVM IR from l1mey112/yr11-physics-applied :: cimgui (cimgui)

; 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"

%struct.ImVec4 = type { float, 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 nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local void @igImLerp_Vec4(ptr noundef %0, <2 x float> %1, <2 x float> %2, <2 x float> %3, <2 x float> %4, float noundef %5) #2 {
  %7 = alloca %struct.ImVec4, align 4
  %8 = alloca %struct.ImVec4, align 4
  %9 = alloca ptr, align 8
  %10 = alloca float, align 4
  %11 = alloca %struct.ImVec4, align 4
  %12 = getelementptr inbounds { <2 x float>, <2 x float> }, ptr %7, i32 0, i32 0
  store <2 x float> %1, ptr %12, align 4
  %13 = getelementptr inbounds { <2 x float>, <2 x float> }, ptr %7, i32 0, i32 1
  store <2 x float> %2, ptr %13, align 4
  %14 = getelementptr inbounds { <2 x float>, <2 x float> }, ptr %8, i32 0, i32 0
  store <2 x float> %3, ptr %14, align 4
  %15 = getelementptr inbounds { <2 x float>, <2 x float> }, ptr %8, i32 0, i32 1
  store <2 x float> %4, ptr %15, align 4
  store ptr %0, ptr %9, align 8, !tbaa !5
  store float %5, ptr %10, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 16, ptr %11) #4
  %16 = load float, ptr %10, align 4, !tbaa !9
  %17 = call { <2 x float>, <2 x float> } @_ZL6ImLerpRK6ImVec4S1_f(ptr noundef nonnull align 4 dereferenceable(16) %7, ptr noundef nonnull align 4 dereferenceable(16) %8, float noundef %16)
  %18 = getelementptr inbounds { <2 x float>, <2 x float> }, ptr %11, i32 0, i32 0
  %19 = extractvalue { <2 x float>, <2 x float> } %17, 0
  store <2 x float> %19, ptr %18, align 4
  %20 = getelementptr inbounds { <2 x float>, <2 x float> }, ptr %11, i32 0, i32 1
  %21 = extractvalue { <2 x float>, <2 x float> } %17, 1
  store <2 x float> %21, ptr %20, align 4
  %22 = load ptr, ptr %9, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %22, ptr align 4 %11, i64 16, i1 false), !tbaa.struct !11
  call void @llvm.lifetime.end.p0(i64 16, ptr %11) #4
  ret void
}

; Function Attrs: inlinehint mustprogress uwtable
declare hidden { <2 x float>, <2 x float> } @_ZL6ImLerpRK6ImVec4S1_f(ptr noundef nonnull align 4 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(16), float noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress uwtable "min-legal-vector-width"="64" "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 #3 = { inlinehint 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 #4 = { 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 = !{i64 0, i64 4, !9, i64 4, i64 4, !9, i64 8, i64 4, !9, i64 12, i64 4, !9}


; 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"

%struct.ImVec4 = type { float, float, float, float }

; Function Attrs: mustprogress uwtable
define dso_local void @igImLerp_Vec4(ptr nocapture noundef writeonly %0, <2 x float> %1, <2 x float> %2, <2 x float> %3, <2 x float> %4, float noundef %5) local_unnamed_addr #0 {
  %7 = alloca %struct.ImVec4, align 8
  %8 = alloca %struct.ImVec4, align 8
  store <2 x float> %1, ptr %7, align 8
  %9 = getelementptr inbounds i8, ptr %7, i64 8
  store <2 x float> %2, ptr %9, align 8
  store <2 x float> %3, ptr %8, align 8
  %10 = getelementptr inbounds i8, ptr %8, i64 8
  store <2 x float> %4, ptr %10, align 8
  %11 = call { <2 x float>, <2 x float> } @_ZL6ImLerpRK6ImVec4S1_f(ptr noundef nonnull align 4 dereferenceable(16) %7, ptr noundef nonnull align 4 dereferenceable(16) %8, float noundef %5)
  %12 = extractvalue { <2 x float>, <2 x float> } %11, 0
  %13 = extractvalue { <2 x float>, <2 x float> } %11, 1
  store <2 x float> %12, ptr %0, align 4
  %.sroa.4.0..sroa_idx = getelementptr inbounds i8, ptr %0, i64 8
  store <2 x float> %13, ptr %.sroa.4.0..sroa_idx, align 4
  ret void
}

; Function Attrs: inlinehint mustprogress uwtable
declare hidden { <2 x float>, <2 x float> } @_ZL6ImLerpRK6ImVec4S1_f(ptr noundef nonnull align 4 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(16), float noundef) local_unnamed_addr #1

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="64" "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 = { inlinehint 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)"}


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