; LLVM IR from Mohammed-Shoaib/Coding-Problems :: CodeChef/Beginner/B0034.ll (Z11grossSalaryi)

; 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 nounwind uwtable
define dso_local noundef double @_Z11grossSalaryi(i32 noundef %0) #0 {
  %2 = alloca i32, align 4
  %3 = alloca double, align 8
  %4 = alloca double, align 8
  store i32 %0, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #2
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #2
  %5 = load i32, ptr %2, align 4, !tbaa !5
  %6 = icmp slt i32 %5, 1500
  br i1 %6, label %7, label %14

7:                                                ; preds = %1
  %8 = load i32, ptr %2, align 4, !tbaa !5
  %9 = sitofp i32 %8 to double
  %10 = fmul double %9, 1.000000e-01
  store double %10, ptr %3, align 8, !tbaa !9
  %11 = load i32, ptr %2, align 4, !tbaa !5
  %12 = sitofp i32 %11 to double
  %13 = fmul double %12, 9.000000e-01
  store double %13, ptr %4, align 8, !tbaa !9
  br label %18

14:                                               ; preds = %1
  store double 5.000000e+02, ptr %3, align 8, !tbaa !9
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = sitofp i32 %15 to double
  %17 = fmul double %16, 0x3FEF5C28F5C28F5C
  store double %17, ptr %4, align 8, !tbaa !9
  br label %18

18:                                               ; preds = %14, %7
  %19 = load i32, ptr %2, align 4, !tbaa !5
  %20 = sitofp i32 %19 to double
  %21 = load double, ptr %3, align 8, !tbaa !9
  %22 = fadd double %20, %21
  %23 = load double, ptr %4, align 8, !tbaa !9
  %24 = fadd double %22, %23
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #2
  ret double %24
}

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 = !{!"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 nofree norecurse nosync nounwind willreturn memory(none) uwtable
define dso_local noundef double @_Z11grossSalaryi(i32 noundef %0) local_unnamed_addr #0 {
  %2 = icmp slt i32 %0, 1500
  br i1 %2, label %3, label %7

3:                                                ; preds = %1
  %4 = sitofp i32 %0 to double
  %5 = fmul double %4, 1.000000e-01
  %6 = fmul double %4, 9.000000e-01
  br label %10

7:                                                ; preds = %1
  %8 = uitofp nneg i32 %0 to double
  %9 = fmul double %8, 0x3FEF5C28F5C28F5C
  %.pre = uitofp nneg i32 %0 to double
  br label %10

10:                                               ; preds = %7, %3
  %.pre-phi = phi double [ %.pre, %7 ], [ %4, %3 ]
  %.06 = phi double [ 5.000000e+02, %7 ], [ %5, %3 ]
  %.0 = phi double [ %9, %7 ], [ %6, %3 ]
  %11 = fadd double %.06, %.pre-phi
  %12 = fadd double %11, %.0
  ret double %12
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) 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: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass