; LLVM IR from Dovyski/opengl-demos :: libs/glm-0.9.9.3/test/gtc/gtc_constants.ll (Z12test_epsilonv)

; 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"

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z12test_epsilonv() #0 {
  %1 = alloca i32, align 4
  %2 = alloca float, align 4
  %3 = alloca double, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #3
  store i32 0, ptr %1, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #3
  %4 = call noundef float @_ZN3glm7epsilonIfEET_v()
  store float %4, ptr %2, align 4, !tbaa !9
  %5 = load float, ptr %2, align 4, !tbaa !9
  %6 = fcmp ogt float %5, 0.000000e+00
  %7 = zext i1 %6 to i64
  %8 = select i1 %6, i32 0, i32 1
  %9 = load i32, ptr %1, align 4, !tbaa !5
  %10 = add nsw i32 %9, %8
  store i32 %10, ptr %1, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  %11 = call noundef double @_ZN3glm7epsilonIdEET_v()
  store double %11, ptr %3, align 8, !tbaa !11
  %12 = load double, ptr %3, align 8, !tbaa !11
  %13 = fcmp ogt double %12, 0.000000e+00
  %14 = zext i1 %13 to i64
  %15 = select i1 %13, i32 0, i32 1
  %16 = load i32, ptr %1, align 4, !tbaa !5
  %17 = add nsw i32 %16, %15
  store i32 %17, ptr %1, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  %18 = load i32, ptr %1, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #3
  ret i32 %18
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef float @_ZN3glm7epsilonIfEET_v() #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZN3glm7epsilonIdEET_v() #2

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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}
!11 = !{!12, !12, i64 0}
!12 = !{!"double", !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"

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef range(i32 0, 3) i32 @_Z12test_epsilonv() local_unnamed_addr #0 {
  %1 = tail call noundef float @_ZN3glm7epsilonIfEET_v()
  %2 = fcmp ule float %1, 0.000000e+00
  %3 = zext i1 %2 to i32
  %4 = tail call noundef double @_ZN3glm7epsilonIdEET_v()
  %5 = fcmp ule double %4, 0.000000e+00
  %6 = zext i1 %5 to i32
  %7 = add nuw nsw i32 %6, %3
  ret i32 %7
}

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZN3glm7epsilonIdEET_v() local_unnamed_addr #1

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 = { 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" }

!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,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,TailCallElimPass