; LLVM IR from hbatagelo/abcg :: abcg/external/glslang/glslang/MachineIndependent (SpirvIntrinsics)

; 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"

%"class.__gnu_cxx::__normal_iterator.194" = type { ptr }

; 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 ptr @_ZN7glslang13TParseContext24mergeSpirvTypeParametersEPNS_7TVectorINS_19TSpirvTypeParameterEEES4_(ptr noundef nonnull align 8 dereferenceable(24912) %0, ptr noundef %1, ptr noundef %2) #1 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator.194", align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator.194", align 8
  %10 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  %11 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %12 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %12, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %13 = load ptr, ptr %7, align 8, !tbaa !5
  %14 = call ptr @_ZNSt6vectorIN7glslang19TSpirvTypeParameterENS0_14pool_allocatorIS1_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %13) #4
  %15 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.194", ptr %8, i32 0, i32 0
  store ptr %14, ptr %15, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  %16 = load ptr, ptr %7, align 8, !tbaa !5
  %17 = call ptr @_ZNSt6vectorIN7glslang19TSpirvTypeParameterENS0_14pool_allocatorIS1_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(32) %16) #4
  %18 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.194", ptr %9, i32 0, i32 0
  store ptr %17, ptr %18, align 8
  br label %19

19:                                               ; preds = %26, %3
  %20 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPN7glslang19TSpirvTypeParameterESt6vectorIS2_NS1_14pool_allocatorIS2_EEEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #4
  br i1 %20, label %22, label %21

21:                                               ; preds = %19
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  br label %28

22:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  %23 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPN7glslang19TSpirvTypeParameterESt6vectorIS2_NS1_14pool_allocatorIS2_EEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  store ptr %23, ptr %10, align 8, !tbaa !5
  %24 = load ptr, ptr %5, align 8, !tbaa !5
  %25 = load ptr, ptr %10, align 8, !tbaa !5
  call void @_ZNSt6vectorIN7glslang19TSpirvTypeParameterENS0_14pool_allocatorIS1_EEE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(32) %24, ptr noundef nonnull align 8 dereferenceable(8) %25)
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  br label %26

26:                                               ; preds = %22
  %27 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPN7glslang19TSpirvTypeParameterESt6vectorIS2_NS1_14pool_allocatorIS2_EEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  br label %19

28:                                               ; preds = %21
  %29 = load ptr, ptr %5, align 8, !tbaa !5
  ret ptr %29
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIN7glslang19TSpirvTypeParameterENS0_14pool_allocatorIS1_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIN7glslang19TSpirvTypeParameterENS0_14pool_allocatorIS1_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPN7glslang19TSpirvTypeParameterESt6vectorIS2_NS1_14pool_allocatorIS2_EEEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPN7glslang19TSpirvTypeParameterESt6vectorIS2_NS1_14pool_allocatorIS2_EEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIN7glslang19TSpirvTypeParameterENS0_14pool_allocatorIS1_EEE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPN7glslang19TSpirvTypeParameterESt6vectorIS2_NS1_14pool_allocatorIS2_EEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

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 = { 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"}


; 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"

%"class.__gnu_cxx::__normal_iterator.194" = type { ptr }

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

; Function Attrs: mustprogress 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 ptr @_ZN7glslang13TParseContext24mergeSpirvTypeParametersEPNS_7TVectorINS_19TSpirvTypeParameterEEES4_(ptr nocapture noundef nonnull readnone align 8 dereferenceable(24912) %0, ptr noundef returned %1, ptr noundef nonnull %2) local_unnamed_addr #1 align 2 {
  %4 = alloca %"class.__gnu_cxx::__normal_iterator.194", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator.194", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %6 = tail call ptr @_ZNSt6vectorIN7glslang19TSpirvTypeParameterENS0_14pool_allocatorIS1_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #4
  store ptr %6, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  %7 = tail call ptr @_ZNSt6vectorIN7glslang19TSpirvTypeParameterENS0_14pool_allocatorIS1_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #4
  store ptr %7, ptr %5, align 8
  %8 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPN7glslang19TSpirvTypeParameterESt6vectorIS2_NS1_14pool_allocatorIS2_EEEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  br i1 %8, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  ret ptr %1

.lr.ph:                                           ; preds = %3, %.lr.ph
  %9 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPN7glslang19TSpirvTypeParameterESt6vectorIS2_NS1_14pool_allocatorIS2_EEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  call void @_ZNSt6vectorIN7glslang19TSpirvTypeParameterENS0_14pool_allocatorIS1_EEE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull align 8 dereferenceable(8) %9)
  %10 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPN7glslang19TSpirvTypeParameterESt6vectorIS2_NS1_14pool_allocatorIS2_EEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  %11 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPN7glslang19TSpirvTypeParameterESt6vectorIS2_NS1_14pool_allocatorIS2_EEEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  br i1 %11, label %.lr.ph, label %._crit_edge
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIN7glslang19TSpirvTypeParameterENS0_14pool_allocatorIS1_EEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIN7glslang19TSpirvTypeParameterENS0_14pool_allocatorIS1_EEE3endEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPN7glslang19TSpirvTypeParameterESt6vectorIS2_NS1_14pool_allocatorIS2_EEEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPN7glslang19TSpirvTypeParameterESt6vectorIS2_NS1_14pool_allocatorIS2_EEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIN7glslang19TSpirvTypeParameterENS0_14pool_allocatorIS1_EEE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPN7glslang19TSpirvTypeParameterESt6vectorIS2_NS1_14pool_allocatorIS2_EEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

attributes #0 = { mustprogress 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 = { 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: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass