; LLVM IR from AdaptiveCpp/AdaptiveCpp :: src/libkernel/sscp/host/integer.ll_ (acpp_sscp_mul24_u32)

; 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: nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: write)
declare void @llvm.assume(i1 noundef) #0

; Function Attrs: alwaysinline mustprogress nounwind uwtable
define dso_local i32 @__acpp_sscp_mul24_u32(i32 noundef %0, i32 noundef %1) #1 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  store i32 %0, ptr %3, align 4, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !5
  %5 = load i32, ptr %3, align 4, !tbaa !5
  %6 = icmp uge i32 %5, 0
  br i1 %6, label %7, label %10

7:                                                ; preds = %2
  %8 = load i32, ptr %3, align 4, !tbaa !5
  %9 = icmp ule i32 %8, 16777215
  br label %10

10:                                               ; preds = %7, %2
  %11 = phi i1 [ false, %2 ], [ %9, %7 ]
  call void @llvm.assume(i1 %11)
  %12 = load i32, ptr %4, align 4, !tbaa !5
  %13 = icmp uge i32 %12, 0
  br i1 %13, label %14, label %17

14:                                               ; preds = %10
  %15 = load i32, ptr %4, align 4, !tbaa !5
  %16 = icmp ule i32 %15, 16777215
  br label %17

17:                                               ; preds = %14, %10
  %18 = phi i1 [ false, %10 ], [ %16, %14 ]
  call void @llvm.assume(i1 %18)
  %19 = load i32, ptr %3, align 4, !tbaa !5
  %20 = load i32, ptr %4, align 4, !tbaa !5
  %21 = mul i32 %19, %20
  ret i32 %21
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: write) }
attributes #1 = { alwaysinline 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)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !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"

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: write)
declare void @llvm.assume(i1 noundef) #0

; Function Attrs: alwaysinline mustprogress nofree norecurse nosync nounwind willreturn memory(inaccessiblemem: write) uwtable
define dso_local noundef i32 @__acpp_sscp_mul24_u32(i32 noundef %0, i32 noundef %1) local_unnamed_addr #1 {
  %3 = icmp ult i32 %0, 16777216
  tail call void @llvm.assume(i1 %3)
  %4 = icmp ult i32 %1, 16777216
  tail call void @llvm.assume(i1 %4)
  %5 = mul i32 %1, %0
  ret i32 %5
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(inaccessiblemem: write) }
attributes #1 = { alwaysinline mustprogress nofree norecurse nosync nounwind willreturn memory(inaccessiblemem: write) 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,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass