; LLVM IR from team-charls/charls :: src (charls_jpegls_decoder)

; 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.std::nothrow_t" = type { i8 }

@_ZSt7nothrow = external global %"struct.std::nothrow_t", align 1

; Function Attrs: mustprogress nounwind uwtable
define dso_local ptr @charls_jpegls_decoder_create() #0 {
  %1 = alloca i1, align 1
  %2 = call noalias noundef ptr @_ZnwmRKSt9nothrow_t(i64 noundef 200, ptr noundef nonnull align 1 dereferenceable(1) @_ZSt7nothrow) #3
  %3 = icmp eq ptr %2, null
  store i1 false, ptr %1, align 1
  br i1 %3, label %5, label %4

4:                                                ; preds = %0
  store i1 true, ptr %1, align 1
  call void @_ZN21charls_jpegls_decoderC2Ev(ptr noundef nonnull align 8 dereferenceable(200) %2) #4
  br label %5

5:                                                ; preds = %4, %0
  %6 = phi ptr [ %2, %4 ], [ null, %0 ]
  ret ptr %6
}

; Function Attrs: nobuiltin nounwind allocsize(0)
declare noalias noundef ptr @_ZnwmRKSt9nothrow_t(i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN21charls_jpegls_decoderC2Ev(ptr noundef nonnull align 8 dereferenceable(200)) unnamed_addr #2 align 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 = { nobuiltin nounwind allocsize(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 = { 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 #3 = { builtin nounwind allocsize(0) }
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)"}


; 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.std::nothrow_t" = type { i8 }

@_ZSt7nothrow = external global %"struct.std::nothrow_t", align 1

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef ptr @charls_jpegls_decoder_create() local_unnamed_addr #0 {
  %1 = tail call noalias noundef dereferenceable_or_null(200) ptr @_ZnwmRKSt9nothrow_t(i64 noundef 200, ptr noundef nonnull align 1 dereferenceable(1) @_ZSt7nothrow) #3
  %2 = icmp eq ptr %1, null
  br i1 %2, label %4, label %3

3:                                                ; preds = %0
  tail call void @_ZN21charls_jpegls_decoderC2Ev(ptr noundef nonnull align 8 dereferenceable(200) %1) #4
  br label %4

4:                                                ; preds = %3, %0
  ret ptr %1
}

; Function Attrs: nobuiltin nounwind allocsize(0)
declare noalias noundef ptr @_ZnwmRKSt9nothrow_t(i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN21charls_jpegls_decoderC2Ev(ptr noundef nonnull align 8 dereferenceable(200)) unnamed_addr #2 align 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 = { nobuiltin nounwind allocsize(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 = { 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 #3 = { builtin nounwind allocsize(0) }
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)"}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass