; LLVM IR from Dovyski/opengl-demos :: libs/glm-0.9.9.3/test/gtx/gtx_quaternion.ll (Z13test_rotationv)

; 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.glm::vec" = type { %union.anon.0 }
%union.anon.0 = type { %struct.anon.1 }
%struct.anon.1 = type { float, float, float }
%"struct.glm::qua" = type { %union.anon }
%union.anon = type { %struct.anon }
%struct.anon = type { float, float, float, float }

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN3glm3vecILi3EfLNS_9qualifierE0EEC2IiiiEET_T0_T1_(ptr noundef nonnull align 4 dereferenceable(12), i32 noundef, i32 noundef, i32 noundef) unnamed_addr #1 align 2

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZN3glm2piIfEET_v() #1

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z13test_rotationv() #2 {
  %1 = alloca i32, align 4
  %2 = alloca %"struct.glm::vec", align 4
  %3 = alloca %"struct.glm::vec", align 4
  %4 = alloca %"struct.glm::qua", align 4
  %5 = alloca float, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #6
  store i32 0, ptr %1, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 12, ptr %2) #6
  call void @_ZN3glm3vecILi3EfLNS_9qualifierE0EEC2IiiiEET_T0_T1_(ptr noundef nonnull align 4 dereferenceable(12) %2, i32 noundef 1, i32 noundef 0, i32 noundef 0)
  call void @llvm.lifetime.start.p0(i64 12, ptr %3) #6
  call void @_ZN3glm3vecILi3EfLNS_9qualifierE0EEC2IiiiEET_T0_T1_(ptr noundef nonnull align 4 dereferenceable(12) %3, i32 noundef 0, i32 noundef 1, i32 noundef 0)
  call void @llvm.lifetime.start.p0(i64 16, ptr %4) #6
  %6 = call { <2 x float>, <2 x float> } @_ZN3glm8rotationIfLNS_9qualifierE0EEENS_3quaIT_XT0_EEERKNS_3vecILi3ES3_XT0_EEES8_(ptr noundef nonnull align 4 dereferenceable(12) %2, ptr noundef nonnull align 4 dereferenceable(12) %3)
  %7 = getelementptr inbounds %"struct.glm::qua", ptr %4, i32 0, i32 0
  %8 = getelementptr inbounds %union.anon, ptr %7, i32 0, i32 0
  %9 = getelementptr inbounds { <2 x float>, <2 x float> }, ptr %8, i32 0, i32 0
  %10 = extractvalue { <2 x float>, <2 x float> } %6, 0
  store <2 x float> %10, ptr %9, align 4
  %11 = getelementptr inbounds { <2 x float>, <2 x float> }, ptr %8, i32 0, i32 1
  %12 = extractvalue { <2 x float>, <2 x float> } %6, 1
  store <2 x float> %12, ptr %11, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  %13 = call noundef float @_ZN3glm5angleIfLNS_9qualifierE0EEET_RKNS_3quaIS2_XT0_EEE(ptr noundef nonnull align 4 dereferenceable(16) %4)
  store float %13, ptr %5, align 4, !tbaa !9
  %14 = load float, ptr %5, align 4, !tbaa !9
  %15 = call noundef float @_ZN3glm2piIfEET_v()
  %16 = fneg float %15
  %17 = call float @llvm.fmuladd.f32(float %16, float 5.000000e-01, float %14)
  %18 = call noundef float @_ZN3glm3absIfEET_S1_(float noundef %17)
  %19 = call noundef float @_ZN3glm7epsilonIfEET_v()
  %20 = fcmp olt float %18, %19
  %21 = zext i1 %20 to i64
  %22 = select i1 %20, i32 0, i32 1
  %23 = load i32, ptr %1, align 4, !tbaa !5
  %24 = add nsw i32 %23, %22
  store i32 %24, ptr %1, align 4, !tbaa !5
  %25 = load i32, ptr %1, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #6
  ret i32 %25
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local { <2 x float>, <2 x float> } @_ZN3glm8rotationIfLNS_9qualifierE0EEENS_3quaIT_XT0_EEERKNS_3vecILi3ES3_XT0_EEES8_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef float @_ZN3glm5angleIfLNS_9qualifierE0EEET_RKNS_3quaIS2_XT0_EEE(ptr noundef nonnull align 4 dereferenceable(16)) #4

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef float @_ZN3glm3absIfEET_S1_(float noundef) #4

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fmuladd.f32(float, float, float) #5

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZN3glm7epsilonIfEET_v() #1

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #3 = { 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 #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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #6 = { 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 = !{!"float", !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"

%"struct.glm::vec" = type { %union.anon.0 }
%union.anon.0 = type { %struct.anon.1 }
%struct.anon.1 = type { float, float, float }
%"struct.glm::qua" = type { %union.anon }
%union.anon = type { %struct.anon }
%struct.anon = type { float, float, float, float }

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN3glm3vecILi3EfLNS_9qualifierE0EEC2IiiiEET_T0_T1_(ptr noundef nonnull align 4 dereferenceable(12), i32 noundef, i32 noundef, i32 noundef) unnamed_addr #1 align 2

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZN3glm2piIfEET_v() local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local noundef range(i32 0, 2) i32 @_Z13test_rotationv() local_unnamed_addr #2 {
  %1 = alloca %"struct.glm::vec", align 4
  %2 = alloca %"struct.glm::vec", align 4
  %3 = alloca %"struct.glm::qua", align 8
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %1) #6
  call void @_ZN3glm3vecILi3EfLNS_9qualifierE0EEC2IiiiEET_T0_T1_(ptr noundef nonnull align 4 dereferenceable(12) %1, i32 noundef 1, i32 noundef 0, i32 noundef 0)
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %2) #6
  call void @_ZN3glm3vecILi3EfLNS_9qualifierE0EEC2IiiiEET_T0_T1_(ptr noundef nonnull align 4 dereferenceable(12) %2, i32 noundef 0, i32 noundef 1, i32 noundef 0)
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %3) #6
  %4 = call { <2 x float>, <2 x float> } @_ZN3glm8rotationIfLNS_9qualifierE0EEENS_3quaIT_XT0_EEERKNS_3vecILi3ES3_XT0_EEES8_(ptr noundef nonnull align 4 dereferenceable(12) %1, ptr noundef nonnull align 4 dereferenceable(12) %2)
  %5 = extractvalue { <2 x float>, <2 x float> } %4, 0
  store <2 x float> %5, ptr %3, align 8
  %6 = getelementptr inbounds i8, ptr %3, i64 8
  %7 = extractvalue { <2 x float>, <2 x float> } %4, 1
  store <2 x float> %7, ptr %6, align 8
  %8 = call noundef float @_ZN3glm5angleIfLNS_9qualifierE0EEET_RKNS_3quaIS2_XT0_EEE(ptr noundef nonnull align 4 dereferenceable(16) %3)
  %9 = call noundef float @_ZN3glm2piIfEET_v()
  %10 = fneg float %9
  %11 = call float @llvm.fmuladd.f32(float %10, float 5.000000e-01, float %8)
  %12 = call noundef float @_ZN3glm3absIfEET_S1_(float noundef %11)
  %13 = call noundef float @_ZN3glm7epsilonIfEET_v()
  %14 = fcmp uge float %12, %13
  %15 = zext i1 %14 to i32
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %1) #6
  ret i32 %15
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local { <2 x float>, <2 x float> } @_ZN3glm8rotationIfLNS_9qualifierE0EEENS_3quaIT_XT0_EEERKNS_3vecILi3ES3_XT0_EEES8_(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef float @_ZN3glm5angleIfLNS_9qualifierE0EEET_RKNS_3quaIS2_XT0_EEE(ptr noundef nonnull align 4 dereferenceable(16)) local_unnamed_addr #4

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef float @_ZN3glm3absIfEET_S1_(float noundef) local_unnamed_addr #4

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fmuladd.f32(float, float, float) #5

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZN3glm7epsilonIfEET_v() local_unnamed_addr #1

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #3 = { 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 #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 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #6 = { 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,IPSCCPPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,SROAPass