; LLVM IR from kylechampley/XrayPhysics :: src/xsec.ll (ZN4xsec5sigmaEPKcfi)

; 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: nounwind
declare void @free(ptr noundef) #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
declare dso_local noundef ptr @_ZN4xsec17parseMaterialTextEPKc(ptr noundef nonnull align 8 dereferenceable(2400), ptr noundef) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef float @_ZN4xsec5sigmaEPKcfi(ptr noundef nonnull align 8 dereferenceable(2400) %0, ptr noundef %1, float noundef %2, i32 noundef %3) #2 align 2 {
  %5 = alloca float, align 4
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca float, align 4
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca float, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store float %2, ptr %8, align 4, !tbaa !9
  store i32 %3, ptr %9, align 4, !tbaa !11
  %13 = load ptr, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #3
  %14 = load ptr, ptr %7, align 8, !tbaa !5
  %15 = call noundef ptr @_ZN4xsec17parseMaterialTextEPKc(ptr noundef nonnull align 8 dereferenceable(2400) %13, ptr noundef %14)
  store ptr %15, ptr %10, align 8, !tbaa !5
  %16 = load ptr, ptr %10, align 8, !tbaa !5
  %17 = icmp eq ptr %16, null
  br i1 %17, label %18, label %19

18:                                               ; preds = %4
  store float 0.000000e+00, ptr %5, align 4
  store i32 1, ptr %11, align 4
  br label %26

19:                                               ; preds = %4
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #3
  %20 = load ptr, ptr %10, align 8, !tbaa !5
  %21 = load float, ptr %8, align 4, !tbaa !9
  %22 = load i32, ptr %9, align 4, !tbaa !11
  %23 = call noundef float @_ZN4xsec5sigmaEPffi(ptr noundef nonnull align 8 dereferenceable(2400) %13, ptr noundef %20, float noundef %21, i32 noundef %22)
  store float %23, ptr %12, align 4, !tbaa !9
  %24 = load ptr, ptr %10, align 8, !tbaa !5
  call void @free(ptr noundef %24) #3
  %25 = load float, ptr %12, align 4, !tbaa !9
  store float %25, ptr %5, align 4
  store i32 1, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #3
  br label %26

26:                                               ; preds = %19, %18
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #3
  %27 = load float, ptr %5, align 4
  ret float %27
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef float @_ZN4xsec5sigmaEPffi(ptr noundef nonnull align 8 dereferenceable(2400), ptr noundef, float noundef, i32 noundef) #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nounwind "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 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 = { 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, !12, i64 0}
!12 = !{!"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: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_ZN4xsec17parseMaterialTextEPKc(ptr noundef nonnull align 8 dereferenceable(2400), ptr noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef float @_ZN4xsec5sigmaEPKcfi(ptr noundef nonnull align 8 dereferenceable(2400) %0, ptr noundef %1, float noundef %2, i32 noundef %3) local_unnamed_addr #1 align 2 {
  %5 = tail call noundef ptr @_ZN4xsec17parseMaterialTextEPKc(ptr noundef nonnull align 8 dereferenceable(2400) %0, ptr noundef %1)
  %6 = icmp eq ptr %5, null
  br i1 %6, label %9, label %7

7:                                                ; preds = %4
  %8 = tail call noundef float @_ZN4xsec5sigmaEPffi(ptr noundef nonnull align 8 dereferenceable(2400) %0, ptr noundef nonnull %5, float noundef %2, i32 noundef %3)
  tail call void @free(ptr noundef nonnull %5) #2
  br label %9

9:                                                ; preds = %4, %7
  %.0 = phi float [ %8, %7 ], [ 0.000000e+00, %4 ]
  ret float %.0
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef float @_ZN4xsec5sigmaEPffi(ptr noundef nonnull align 8 dereferenceable(2400), ptr noundef, float noundef, i32 noundef) local_unnamed_addr #1 align 2

attributes #0 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = { 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 = { 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)"}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass