; LLVM IR from gem5/gem5 :: ext/softfloat (ui32_to_f128M)

; 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: nounwind uwtable
define dso_local void @ui32_to_f128M(i32 noundef %0, ptr noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i8, align 1
  %9 = alloca i64, align 8
  store i32 %0, ptr %3, align 4, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %10 = load ptr, ptr %4, align 8, !tbaa !9
  store ptr %10, ptr %5, align 8, !tbaa !9
  store i32 0, ptr %6, align 4, !tbaa !5
  store i32 0, ptr %7, align 4, !tbaa !5
  %11 = load i32, ptr %3, align 4, !tbaa !5
  %12 = icmp ne i32 %11, 0
  br i1 %12, label %13, label %37

13:                                               ; preds = %2
  %14 = load i32, ptr %3, align 4, !tbaa !5
  %15 = call zeroext i8 @softfloat_countLeadingZeros32(i32 noundef %14)
  %16 = zext i8 %15 to i32
  %17 = add nsw i32 %16, 17
  %18 = trunc i32 %17 to i8
  store i8 %18, ptr %8, align 1, !tbaa !11
  %19 = load i32, ptr %3, align 4, !tbaa !5
  %20 = zext i32 %19 to i64
  %21 = load i8, ptr %8, align 1, !tbaa !11
  %22 = sext i8 %21 to i32
  %23 = zext i32 %22 to i64
  %24 = shl i64 %20, %23
  store i64 %24, ptr %9, align 8, !tbaa !12
  %25 = load i8, ptr %8, align 1, !tbaa !11
  %26 = sext i8 %25 to i32
  %27 = sub nsw i32 16430, %26
  %28 = shl i32 %27, 16
  %29 = add i32 0, %28
  %30 = zext i32 %29 to i64
  %31 = load i64, ptr %9, align 8, !tbaa !12
  %32 = lshr i64 %31, 32
  %33 = add i64 %30, %32
  %34 = trunc i64 %33 to i32
  store i32 %34, ptr %6, align 4, !tbaa !5
  %35 = load i64, ptr %9, align 8, !tbaa !12
  %36 = trunc i64 %35 to i32
  store i32 %36, ptr %7, align 4, !tbaa !5
  br label %37

37:                                               ; preds = %13, %2
  %38 = load i32, ptr %6, align 4, !tbaa !5
  %39 = load ptr, ptr %5, align 8, !tbaa !9
  %40 = getelementptr inbounds i32, ptr %39, i64 3
  store i32 %38, ptr %40, align 4, !tbaa !5
  %41 = load i32, ptr %7, align 4, !tbaa !5
  %42 = load ptr, ptr %5, align 8, !tbaa !9
  %43 = getelementptr inbounds i32, ptr %42, i64 2
  store i32 %41, ptr %43, align 4, !tbaa !5
  %44 = load ptr, ptr %5, align 8, !tbaa !9
  %45 = getelementptr inbounds i32, ptr %44, i64 1
  store i32 0, ptr %45, align 4, !tbaa !5
  %46 = load ptr, ptr %5, align 8, !tbaa !9
  %47 = getelementptr inbounds i32, ptr %46, i64 0
  store i32 0, ptr %47, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  ret void
}

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

; Function Attrs: inlinehint nounwind uwtable
declare hidden zeroext i8 @softfloat_countLeadingZeros32(i32 noundef) #2

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

attributes #0 = { 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 = { inlinehint 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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"long", !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: nounwind uwtable
define dso_local void @ui32_to_f128M(i32 noundef %0, ptr nocapture noundef writeonly %1) local_unnamed_addr #0 {
  %.not = icmp eq i32 %0, 0
  br i1 %.not, label %15, label %3

3:                                                ; preds = %2
  %4 = tail call zeroext i8 @softfloat_countLeadingZeros32(i32 noundef %0)
  %5 = add i8 %4, 17
  %6 = zext i32 %0 to i64
  %7 = sext i8 %5 to i32
  %8 = zext nneg i32 %7 to i64
  %9 = shl i64 %6, %8
  %10 = lshr i64 %9, 32
  %11 = trunc nuw i64 %10 to i32
  %12 = shl nsw i32 %7, 16
  %reass.sub16 = sub i32 %11, %12
  %13 = add i32 %reass.sub16, 1076756480
  %14 = trunc i64 %9 to i32
  br label %15

15:                                               ; preds = %3, %2
  %.013 = phi i32 [ %14, %3 ], [ 0, %2 ]
  %.0 = phi i32 [ %13, %3 ], [ 0, %2 ]
  %16 = getelementptr inbounds i8, ptr %1, i64 12
  store i32 %.0, ptr %16, align 4, !tbaa !5
  %17 = getelementptr inbounds i8, ptr %1, i64 8
  store i32 %.013, ptr %17, align 4, !tbaa !5
  %18 = getelementptr inbounds i8, ptr %1, i64 4
  store i32 0, ptr %18, align 4, !tbaa !5
  store i32 0, ptr %1, align 4, !tbaa !5
  ret void
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden zeroext i8 @softfloat_countLeadingZeros32(i32 noundef) local_unnamed_addr #1

attributes #0 = { 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 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/C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,TailCallElimPass