; LLVM IR from IOsonata/IOsonata :: ARM/Nordic/nRF52/nRF52840/exemples/BoschAppBoard/src (bmi3)

; 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(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

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

; Function Attrs: nounwind uwtable
declare dso_local signext i8 @bmi3_set_regs(i8 noundef zeroext, ptr noundef, i16 noundef zeroext, ptr noundef) #2

; Function Attrs: nounwind uwtable
define dso_local signext i8 @bmi3_set_command_register(i16 noundef zeroext %0, ptr noundef %1) #2 {
  %3 = alloca i16, align 2
  %4 = alloca ptr, align 8
  %5 = alloca i8, align 1
  %6 = alloca [2 x i8], align 1
  store i16 %0, ptr %3, align 2, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #3
  call void @llvm.lifetime.start.p0(i64 2, ptr %6) #3
  call void @llvm.memset.p0.i64(ptr align 1 %6, i8 0, i64 2, i1 false)
  %7 = load i16, ptr %3, align 2, !tbaa !5
  %8 = zext i16 %7 to i32
  %9 = and i32 %8, 255
  %10 = trunc i32 %9 to i8
  %11 = getelementptr inbounds [2 x i8], ptr %6, i64 0, i64 0
  store i8 %10, ptr %11, align 1, !tbaa !11
  %12 = load i16, ptr %3, align 2, !tbaa !5
  %13 = zext i16 %12 to i32
  %14 = and i32 %13, 65280
  %15 = ashr i32 %14, 8
  %16 = trunc i32 %15 to i8
  %17 = getelementptr inbounds [2 x i8], ptr %6, i64 0, i64 1
  store i8 %16, ptr %17, align 1, !tbaa !11
  %18 = getelementptr inbounds [2 x i8], ptr %6, i64 0, i64 0
  %19 = load ptr, ptr %4, align 8, !tbaa !9
  %20 = call signext i8 @bmi3_set_regs(i8 noundef zeroext 126, ptr noundef %18, i16 noundef zeroext 2, ptr noundef %19)
  store i8 %20, ptr %5, align 1, !tbaa !11
  %21 = load i8, ptr %5, align 1, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 2, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #3
  ret i8 %21
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #2 = { 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 = !{!"short", !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}


; 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(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

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

; Function Attrs: nounwind uwtable
declare dso_local signext i8 @bmi3_set_regs(i8 noundef zeroext, ptr noundef, i16 noundef zeroext, ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local signext i8 @bmi3_set_command_register(i16 noundef zeroext %0, ptr noundef %1) local_unnamed_addr #1 {
  %3 = alloca [2 x i8], align 1
  call void @llvm.lifetime.start.p0(i64 2, ptr nonnull %3) #2
  %4 = trunc i16 %0 to i8
  store i8 %4, ptr %3, align 1, !tbaa !5
  %5 = lshr i16 %0, 8
  %6 = trunc nuw i16 %5 to i8
  %7 = getelementptr inbounds i8, ptr %3, i64 1
  store i8 %6, ptr %7, align 1, !tbaa !5
  %8 = call signext i8 @bmi3_set_regs(i8 noundef zeroext 126, ptr noundef nonnull %3, i16 noundef zeroext 2, ptr noundef %1)
  call void @llvm.lifetime.end.p0(i64 2, ptr nonnull %3) #2
  ret i8 %8
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: DSEPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,SROAPass