; LLVM IR from kylechampley/XrayPhysics :: src/xsec.ll (ZN4xsec9logInterpEfffff)

; 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: mustprogress uwtable
define dso_local noundef float @_ZN4xsec9logInterpEfffff(ptr noundef nonnull align 8 dereferenceable(2400) %0, float noundef %1, float noundef %2, float noundef %3, float noundef %4, float noundef %5) #1 align 2 {
  %7 = alloca float, align 4
  %8 = alloca ptr, align 8
  %9 = alloca float, align 4
  %10 = alloca float, align 4
  %11 = alloca float, align 4
  %12 = alloca float, align 4
  %13 = alloca float, align 4
  %14 = alloca float, align 4
  store ptr %0, ptr %8, align 8, !tbaa !5
  store float %1, ptr %9, align 4, !tbaa !9
  store float %2, ptr %10, align 4, !tbaa !9
  store float %3, ptr %11, align 4, !tbaa !9
  store float %4, ptr %12, align 4, !tbaa !9
  store float %5, ptr %13, align 4, !tbaa !9
  %15 = load ptr, ptr %8, align 8
  %16 = load float, ptr %12, align 4, !tbaa !9
  %17 = call noundef zeroext i1 @_ZSt5isinff(float noundef %16)
  %18 = zext i1 %17 to i32
  %19 = icmp eq i32 %18, 1
  br i1 %19, label %20, label %21

20:                                               ; preds = %6
  store float 0.000000e+00, ptr %7, align 4
  br label %36

21:                                               ; preds = %6
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #5
  %22 = load float, ptr %13, align 4, !tbaa !9
  %23 = load float, ptr %12, align 4, !tbaa !9
  %24 = fsub float %22, %23
  %25 = load float, ptr %11, align 4, !tbaa !9
  %26 = load float, ptr %10, align 4, !tbaa !9
  %27 = fsub float %25, %26
  %28 = fdiv float %24, %27
  store float %28, ptr %14, align 4, !tbaa !9
  %29 = load float, ptr %12, align 4, !tbaa !9
  %30 = load float, ptr %14, align 4, !tbaa !9
  %31 = load float, ptr %9, align 4, !tbaa !9
  %32 = load float, ptr %10, align 4, !tbaa !9
  %33 = fsub float %31, %32
  %34 = call float @llvm.fmuladd.f32(float %30, float %33, float %29)
  %35 = call noundef float @_ZSt3expf(float noundef %34)
  store float %35, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #5
  br label %36

36:                                               ; preds = %21, %20
  %37 = load float, ptr %7, align 4
  ret float %37
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSt5isinff(float noundef) #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZSt3expf(float noundef) #3

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fmuladd.f32(float, float, float) #4

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #3 = { inlinehint 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 #4 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #5 = { 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}


; 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 nounwind uwtable
define dso_local noundef float @_ZN4xsec9logInterpEfffff(ptr nocapture noundef nonnull readnone align 8 dereferenceable(2400) %0, float noundef %1, float noundef %2, float noundef %3, float noundef %4, float noundef %5) local_unnamed_addr #0 align 2 {
  %7 = tail call noundef zeroext i1 @_ZSt5isinff(float noundef %4)
  br i1 %7, label %15, label %8

8:                                                ; preds = %6
  %9 = fsub float %5, %4
  %10 = fsub float %3, %2
  %11 = fdiv float %9, %10
  %12 = fsub float %1, %2
  %13 = tail call float @llvm.fmuladd.f32(float %11, float %12, float %4)
  %14 = tail call noundef float @_ZSt3expf(float noundef %13)
  br label %15

15:                                               ; preds = %6, %8
  %.0 = phi float [ %14, %8 ], [ 0.000000e+00, %6 ]
  ret float %.0
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZSt5isinff(float noundef) local_unnamed_addr #0

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZSt3expf(float noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fmuladd.f32(float, float, float) #2

attributes #0 = { 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 #1 = { inlinehint 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 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }

!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,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass