; LLVM IR from Dovyski/opengl-demos :: libs/glm-0.9.9.3/test/gtc/gtc_packing.ll (Z17test_packSnorm2x8v)

; 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.std::vector.67" = type { %"struct.std::_Vector_base.68" }
%"struct.std::_Vector_base.68" = type { %"struct.std::_Vector_base<glm::vec<2, float>, std::allocator<glm::vec<2, float>>>::_Vector_impl" }
%"struct.std::_Vector_base<glm::vec<2, float>, std::allocator<glm::vec<2, float>>>::_Vector_impl" = type { %"struct.std::_Vector_base<glm::vec<2, float>, std::allocator<glm::vec<2, float>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<glm::vec<2, float>, std::allocator<glm::vec<2, float>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.glm::vec.72" = type { %union.anon.73 }
%union.anon.73 = type { %struct.anon.74 }
%struct.anon.74 = type { float, float }
%"struct.glm::vec.77" = type { %union.anon.78 }
%union.anon.78 = type { %struct.anon.79 }
%struct.anon.79 = type { i8, i8 }

; 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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIN3glm3vecILi2EfLNS0_9qualifierE0EEESaIS3_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIN3glm3vecILi2EfLNS0_9qualifierE0EEESaIS3_EE9push_backEOS3_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN3glm3vecILi2EfLNS_9qualifierE0EEC2Eff(ptr noundef nonnull align 4 dereferenceable(8), float noundef, float noundef) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIN3glm3vecILi2EfLNS0_9qualifierE0EEESaIS3_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorIN3glm3vecILi2EfLNS0_9qualifierE0EEESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN3glm3allILi2ELNS_9qualifierE0EEEbRKNS_3vecIXT_EbXT0_EEE(ptr noundef nonnull align 1 dereferenceable(2)) #5

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local i16 @_ZN3glm12epsilonEqualILi2EfLNS_9qualifierE0EEENS_3vecIXT_EbXT1_EEERKNS2_IXT_ET0_XT1_EEES7_RKS4_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIN3glm3vecILi2EfLNS0_9qualifierE0EEESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z17test_packSnorm2x8v() #7 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::vector.67", align 8
  %3 = alloca %"struct.glm::vec.72", align 4
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca %"struct.glm::vec.72", align 4
  %7 = alloca i64, align 8
  %8 = alloca %"struct.glm::vec.72", align 4
  %9 = alloca i16, align 2
  %10 = alloca %"struct.glm::vec.72", align 4
  %11 = alloca %"struct.glm::vec.77", align 1
  %12 = alloca float, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #8
  store i32 0, ptr %1, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %2) #8
  call void @_ZNSt6vectorIN3glm3vecILi2EfLNS0_9qualifierE0EEESaIS3_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #8
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #8
  invoke void @_ZN3glm3vecILi2EfLNS_9qualifierE0EEC2Eff(ptr noundef nonnull align 4 dereferenceable(8) %3, float noundef 1.000000e+00, float noundef 0.000000e+00)
          to label %13 unwind label %22

13:                                               ; preds = %0
  invoke void @_ZNSt6vectorIN3glm3vecILi2EfLNS0_9qualifierE0EEESaIS3_EE9push_backEOS3_(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 4 dereferenceable(8) %3)
          to label %14 unwind label %22

14:                                               ; preds = %13
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #8
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #8
  invoke void @_ZN3glm3vecILi2EfLNS_9qualifierE0EEC2Eff(ptr noundef nonnull align 4 dereferenceable(8) %6, float noundef 0xBFE6666660000000, float noundef 0xBFB99999A0000000)
          to label %15 unwind label %26

15:                                               ; preds = %14
  invoke void @_ZNSt6vectorIN3glm3vecILi2EfLNS0_9qualifierE0EEESaIS3_EE9push_backEOS3_(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 4 dereferenceable(8) %6)
          to label %16 unwind label %26

16:                                               ; preds = %15
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #8
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #8
  store i64 0, ptr %7, align 8, !tbaa !9
  br label %17

17:                                               ; preds = %50, %16
  %18 = load i64, ptr %7, align 8, !tbaa !9
  %19 = call noundef i64 @_ZNKSt6vectorIN3glm3vecILi2EfLNS0_9qualifierE0EEESaIS3_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #8
  %20 = icmp ult i64 %18, %19
  br i1 %20, label %30, label %21

21:                                               ; preds = %17
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #8
  br label %67

22:                                               ; preds = %13, %0
  %23 = landingpad { ptr, i32 }
          cleanup
  %24 = extractvalue { ptr, i32 } %23, 0
  store ptr %24, ptr %4, align 8
  %25 = extractvalue { ptr, i32 } %23, 1
  store i32 %25, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #8
  br label %69

26:                                               ; preds = %15, %14
  %27 = landingpad { ptr, i32 }
          cleanup
  %28 = extractvalue { ptr, i32 } %27, 0
  store ptr %28, ptr %4, align 8
  %29 = extractvalue { ptr, i32 } %27, 1
  store i32 %29, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #8
  br label %69

30:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #8
  %31 = load i64, ptr %7, align 8, !tbaa !9
  %32 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorIN3glm3vecILi2EfLNS0_9qualifierE0EEESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %31) #8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %8, ptr align 4 %32, i64 8, i1 false), !tbaa.struct !11
  call void @llvm.lifetime.start.p0(i64 2, ptr %9) #8
  %33 = invoke noundef zeroext i16 @_ZN3glm12packSnorm2x8ERKNS_3vecILi2EfLNS_9qualifierE0EEE(ptr noundef nonnull align 4 dereferenceable(8) %8)
          to label %34 unwind label %53

34:                                               ; preds = %30
  store i16 %33, ptr %9, align 2, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #8
  %35 = load i16, ptr %9, align 2, !tbaa !13
  %36 = invoke <2 x float> @_ZN3glm14unpackSnorm2x8Et(i16 noundef zeroext %35)
          to label %37 unwind label %57

37:                                               ; preds = %34
  %38 = getelementptr inbounds %"struct.glm::vec.72", ptr %10, i32 0, i32 0
  %39 = getelementptr inbounds %union.anon.73, ptr %38, i32 0, i32 0
  store <2 x float> %36, ptr %39, align 4
  call void @llvm.lifetime.start.p0(i64 2, ptr %11) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #8
  store float 0x3F80204080000000, ptr %12, align 4, !tbaa !15
  %40 = invoke i16 @_ZN3glm12epsilonEqualILi2EfLNS_9qualifierE0EEENS_3vecIXT_EbXT1_EEERKNS2_IXT_ET0_XT1_EEES7_RKS4_(ptr noundef nonnull align 4 dereferenceable(8) %8, ptr noundef nonnull align 4 dereferenceable(8) %10, ptr noundef nonnull align 4 dereferenceable(4) %12)
          to label %41 unwind label %61

41:                                               ; preds = %37
  %42 = getelementptr inbounds %"struct.glm::vec.77", ptr %11, i32 0, i32 0
  %43 = getelementptr inbounds %union.anon.78, ptr %42, i32 0, i32 0
  store i16 %40, ptr %43, align 1
  %44 = invoke noundef zeroext i1 @_ZN3glm3allILi2ELNS_9qualifierE0EEEbRKNS_3vecIXT_EbXT0_EEE(ptr noundef nonnull align 1 dereferenceable(2) %11)
          to label %45 unwind label %61

45:                                               ; preds = %41
  %46 = zext i1 %44 to i64
  %47 = select i1 %44, i32 0, i32 1
  %48 = load i32, ptr %1, align 4, !tbaa !5
  %49 = add nsw i32 %48, %47
  store i32 %49, ptr %1, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #8
  call void @llvm.lifetime.end.p0(i64 2, ptr %11) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #8
  call void @llvm.lifetime.end.p0(i64 2, ptr %9) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #8
  br label %50

50:                                               ; preds = %45
  %51 = load i64, ptr %7, align 8, !tbaa !9
  %52 = add i64 %51, 1
  store i64 %52, ptr %7, align 8, !tbaa !9
  br label %17, !llvm.loop !17

53:                                               ; preds = %30
  %54 = landingpad { ptr, i32 }
          cleanup
  %55 = extractvalue { ptr, i32 } %54, 0
  store ptr %55, ptr %4, align 8
  %56 = extractvalue { ptr, i32 } %54, 1
  store i32 %56, ptr %5, align 4
  br label %66

57:                                               ; preds = %34
  %58 = landingpad { ptr, i32 }
          cleanup
  %59 = extractvalue { ptr, i32 } %58, 0
  store ptr %59, ptr %4, align 8
  %60 = extractvalue { ptr, i32 } %58, 1
  store i32 %60, ptr %5, align 4
  br label %65

61:                                               ; preds = %41, %37
  %62 = landingpad { ptr, i32 }
          cleanup
  %63 = extractvalue { ptr, i32 } %62, 0
  store ptr %63, ptr %4, align 8
  %64 = extractvalue { ptr, i32 } %62, 1
  store i32 %64, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #8
  call void @llvm.lifetime.end.p0(i64 2, ptr %11) #8
  br label %65

65:                                               ; preds = %61, %57
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #8
  br label %66

66:                                               ; preds = %65, %53
  call void @llvm.lifetime.end.p0(i64 2, ptr %9) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #8
  br label %69

67:                                               ; preds = %21
  %68 = load i32, ptr %1, align 4, !tbaa !5
  call void @_ZNSt6vectorIN3glm3vecILi2EfLNS0_9qualifierE0EEESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #8
  ret i32 %68

69:                                               ; preds = %66, %26, %22
  call void @_ZNSt6vectorIN3glm3vecILi2EfLNS0_9qualifierE0EEESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #8
  br label %70

70:                                               ; preds = %69
  %71 = load ptr, ptr %4, align 8
  %72 = load i32, ptr %5, align 4
  %73 = insertvalue { ptr, i32 } poison, ptr %71, 0
  %74 = insertvalue { ptr, i32 } %73, i32 %72, 1
  resume { ptr, i32 } %74
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i16 @_ZN3glm12packSnorm2x8ERKNS_3vecILi2EfLNS_9qualifierE0EEE(ptr noundef nonnull align 4 dereferenceable(8)) #6

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local <2 x float> @_ZN3glm14unpackSnorm2x8Et(i16 noundef zeroext) #6

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #4 = { 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 #5 = { inlinehint 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 #6 = { inlinehint mustprogress uwtable "min-legal-vector-width"="64" "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 #7 = { mustprogress uwtable "min-legal-vector-width"="64" "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 #8 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{i64 0, i64 8, !12}
!12 = !{!7, !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"short", !7, i64 0}
!15 = !{!16, !16, i64 0}
!16 = !{!"float", !7, i64 0}
!17 = distinct !{!17, !18}
!18 = !{!"llvm.loop.mustprogress"}


; 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.std::vector.67" = type { %"struct.std::_Vector_base.68" }
%"struct.std::_Vector_base.68" = type { %"struct.std::_Vector_base<glm::vec<2, float>, std::allocator<glm::vec<2, float>>>::_Vector_impl" }
%"struct.std::_Vector_base<glm::vec<2, float>, std::allocator<glm::vec<2, float>>>::_Vector_impl" = type { %"struct.std::_Vector_base<glm::vec<2, float>, std::allocator<glm::vec<2, float>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<glm::vec<2, float>, std::allocator<glm::vec<2, float>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.glm::vec.72" = type { %union.anon.73 }
%union.anon.73 = type { %struct.anon.74 }
%struct.anon.74 = type { float, float }
%"struct.glm::vec.77" = type { %union.anon.78 }
%union.anon.78 = type { %struct.anon.79 }
%struct.anon.79 = type { i8, i8 }

; 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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIN3glm3vecILi2EfLNS0_9qualifierE0EEESaIS3_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIN3glm3vecILi2EfLNS0_9qualifierE0EEESaIS3_EE9push_backEOS3_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN3glm3vecILi2EfLNS_9qualifierE0EEC2Eff(ptr noundef nonnull align 4 dereferenceable(8), float noundef, float noundef) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIN3glm3vecILi2EfLNS0_9qualifierE0EEESaIS3_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorIN3glm3vecILi2EfLNS0_9qualifierE0EEESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN3glm3allILi2ELNS_9qualifierE0EEEbRKNS_3vecIXT_EbXT0_EEE(ptr noundef nonnull align 1 dereferenceable(2)) local_unnamed_addr #4

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local i16 @_ZN3glm12epsilonEqualILi2EfLNS_9qualifierE0EEENS_3vecIXT_EbXT1_EEERKNS2_IXT_ET0_XT1_EEES7_RKS4_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIN3glm3vecILi2EfLNS0_9qualifierE0EEESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z17test_packSnorm2x8v() local_unnamed_addr #6 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::vector.67", align 8
  %2 = alloca %"struct.glm::vec.72", align 4
  %3 = alloca %"struct.glm::vec.72", align 4
  %4 = alloca %"struct.glm::vec.72", align 8
  %5 = alloca %"struct.glm::vec.72", align 8
  %6 = alloca %"struct.glm::vec.77", align 2
  %7 = alloca float, align 4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %1) #7
  call void @_ZNSt6vectorIN3glm3vecILi2EfLNS0_9qualifierE0EEESaIS3_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #7
  call void @_ZN3glm3vecILi2EfLNS_9qualifierE0EEC2Eff(ptr noundef nonnull align 4 dereferenceable(8) %2, float noundef 1.000000e+00, float noundef 0.000000e+00)
  invoke void @_ZNSt6vectorIN3glm3vecILi2EfLNS0_9qualifierE0EEESaIS3_EE9push_backEOS3_(ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 4 dereferenceable(8) %2)
          to label %8 unwind label %11

8:                                                ; preds = %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #7
  call void @_ZN3glm3vecILi2EfLNS_9qualifierE0EEC2Eff(ptr noundef nonnull align 4 dereferenceable(8) %3, float noundef 0xBFE6666660000000, float noundef 0xBFB99999A0000000)
  invoke void @_ZNSt6vectorIN3glm3vecILi2EfLNS0_9qualifierE0EEESaIS3_EE9push_backEOS3_(ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 4 dereferenceable(8) %3)
          to label %9 unwind label %13

9:                                                ; preds = %8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #7
  %10 = call noundef i64 @_ZNKSt6vectorIN3glm3vecILi2EfLNS0_9qualifierE0EEESaIS3_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #7
  %.not = icmp eq i64 %10, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %24, %9
  %.0.lcssa = phi i32 [ 0, %9 ], [ %26, %24 ]
  call void @_ZNSt6vectorIN3glm3vecILi2EfLNS0_9qualifierE0EEESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #7
  ret i32 %.0.lcssa

11:                                               ; preds = %0
  %12 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #7
  br label %38

13:                                               ; preds = %8
  %14 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #7
  br label %38

.lr.ph:                                           ; preds = %9, %24
  %.019 = phi i32 [ %26, %24 ], [ 0, %9 ]
  %.0718 = phi i64 [ %27, %24 ], [ 0, %9 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #7
  %15 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorIN3glm3vecILi2EfLNS0_9qualifierE0EEESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %.0718) #7
  %16 = load i64, ptr %15, align 4, !tbaa !5
  store i64 %16, ptr %4, align 8, !tbaa !5
  %17 = invoke noundef zeroext i16 @_ZN3glm12packSnorm2x8ERKNS_3vecILi2EfLNS_9qualifierE0EEE(ptr noundef nonnull align 4 dereferenceable(8) %4)
          to label %18 unwind label %30

18:                                               ; preds = %.lr.ph
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #7
  %19 = invoke <2 x float> @_ZN3glm14unpackSnorm2x8Et(i16 noundef zeroext %17)
          to label %20 unwind label %32

20:                                               ; preds = %18
  store <2 x float> %19, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 2, ptr nonnull %6) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #7
  store float 0x3F80204080000000, ptr %7, align 4, !tbaa !8
  %21 = invoke i16 @_ZN3glm12epsilonEqualILi2EfLNS_9qualifierE0EEENS_3vecIXT_EbXT1_EEERKNS2_IXT_ET0_XT1_EEES7_RKS4_(ptr noundef nonnull align 4 dereferenceable(8) %4, ptr noundef nonnull align 4 dereferenceable(8) %5, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %22 unwind label %34

22:                                               ; preds = %20
  store i16 %21, ptr %6, align 2
  %23 = invoke noundef zeroext i1 @_ZN3glm3allILi2ELNS_9qualifierE0EEEbRKNS_3vecIXT_EbXT0_EEE(ptr noundef nonnull align 1 dereferenceable(2) %6)
          to label %24 unwind label %34

24:                                               ; preds = %22
  %not. = xor i1 %23, true
  %25 = zext i1 %not. to i32
  %26 = add nuw nsw i32 %.019, %25
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 2, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #7
  %27 = add nuw i64 %.0718, 1
  %28 = call noundef i64 @_ZNKSt6vectorIN3glm3vecILi2EfLNS0_9qualifierE0EEESaIS3_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #7
  %29 = icmp ult i64 %27, %28
  br i1 %29, label %.lr.ph, label %._crit_edge, !llvm.loop !10

30:                                               ; preds = %.lr.ph
  %31 = landingpad { ptr, i32 }
          cleanup
  br label %37

32:                                               ; preds = %18
  %33 = landingpad { ptr, i32 }
          cleanup
  br label %36

34:                                               ; preds = %22, %20
  %35 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 2, ptr nonnull %6) #7
  br label %36

36:                                               ; preds = %34, %32
  %.pn = phi { ptr, i32 } [ %35, %34 ], [ %33, %32 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #7
  br label %37

37:                                               ; preds = %36, %30
  %.pn.pn = phi { ptr, i32 } [ %.pn, %36 ], [ %31, %30 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #7
  br label %38

38:                                               ; preds = %37, %13, %11
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %37 ], [ %14, %13 ], [ %12, %11 ]
  call void @_ZNSt6vectorIN3glm3vecILi2EfLNS0_9qualifierE0EEESaIS3_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn.pn.pn
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef zeroext i16 @_ZN3glm12packSnorm2x8ERKNS_3vecILi2EfLNS_9qualifierE0EEE(ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #5

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local <2 x float> @_ZN3glm14unpackSnorm2x8Et(i16 noundef zeroext) local_unnamed_addr #5

attributes #0 = { mustprogress 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 = { 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 = { 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 = { inlinehint 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 #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="64" "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 #6 = { mustprogress uwtable "min-legal-vector-width"="64" "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 #7 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"float", !6, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass