; LLVM IR from Try/Tempest :: Engine/thirdparty/spirv_cross (spirv_cross_c)

; 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: 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 i32 @spvc_context_create(ptr noundef %0) #1 {
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i1, align 1
  %6 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  %7 = call noalias noundef ptr @_ZnwmRKSt9nothrow_t(i64 noundef 136, ptr noundef nonnull align 1 dereferenceable(1) @_ZSt7nothrow) #5
  %8 = icmp eq ptr %7, null
  store i1 false, ptr %5, align 1
  br i1 %8, label %10, label %9

9:                                                ; preds = %1
  store i1 true, ptr %5, align 1
  call void @_ZN14spvc_context_sC2Ev(ptr noundef nonnull align 8 dereferenceable(136) %7) #4
  br label %10

10:                                               ; preds = %9, %1
  %11 = phi ptr [ %7, %9 ], [ null, %1 ]
  store ptr %11, ptr %4, align 8, !tbaa !5
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = icmp ne ptr %12, null
  br i1 %13, label %15, label %14

14:                                               ; preds = %10
  store i32 -3, ptr %2, align 4
  store i32 1, ptr %6, align 4
  br label %18

15:                                               ; preds = %10
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  %17 = load ptr, ptr %3, align 8, !tbaa !5
  store ptr %16, ptr %17, align 8, !tbaa !5
  store i32 0, ptr %2, align 4
  store i32 1, ptr %6, align 4
  br label %18

18:                                               ; preds = %15, %14
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  %19 = load i32, ptr %2, align 4
  ret i32 %19
}

; Function Attrs: nobuiltin nounwind allocsize(0)
declare noalias noundef ptr @_ZnwmRKSt9nothrow_t(i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN14spvc_context_sC2Ev(ptr noundef nonnull align 8 dereferenceable(136)) unnamed_addr #3 align 2

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 = { 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 #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 = { nounwind }
attributes #5 = { builtin nounwind allocsize(0) }

!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"}


; 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 range(i32 -3, 1) i32 @spvc_context_create(ptr nocapture noundef writeonly %0) local_unnamed_addr #0 {
  %2 = tail call noalias noundef dereferenceable_or_null(136) ptr @_ZnwmRKSt9nothrow_t(i64 noundef 136, ptr noundef nonnull align 1 dereferenceable(1) @_ZSt7nothrow) #3
  %3 = icmp eq ptr %2, null
  br i1 %3, label %.thread, label %4

4:                                                ; preds = %1
  tail call void @_ZN14spvc_context_sC2Ev(ptr noundef nonnull align 8 dereferenceable(136) %2) #4
  store ptr %2, ptr %0, align 8, !tbaa !5
  br label %.thread

.thread:                                          ; preds = %1, %4
  %.0 = phi i32 [ 0, %4 ], [ -3, %1 ]
  ret i32 %.0
}

; 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 @_ZN14spvc_context_sC2Ev(ptr noundef nonnull align 8 dereferenceable(136)) 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)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; Effective O3 passes: GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass