; 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"

@__const.bmi3_set_i3c_sync_i3c_tc_res.base_addr = external hidden unnamed_addr constant [2 x i8], align 1

; 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: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #3

; Function Attrs: nounwind uwtable
define dso_local signext i8 @bmi3_set_i3c_sync_i3c_tc_res(i8 noundef zeroext %0, ptr noundef %1) #2 {
  %3 = alloca i8, align 1
  %4 = alloca ptr, align 8
  %5 = alloca i8, align 1
  %6 = alloca [2 x i8], align 1
  %7 = alloca [2 x i8], align 1
  store i8 %0, ptr %3, align 1, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #4
  call void @llvm.lifetime.start.p0(i64 2, ptr %6) #4
  call void @llvm.memset.p0.i64(ptr align 1 %6, i8 0, i64 2, i1 false)
  call void @llvm.lifetime.start.p0(i64 2, ptr %7) #4
  call void @llvm.memcpy.p0.p0.i64(ptr align 1 %7, ptr align 1 @__const.bmi3_set_i3c_sync_i3c_tc_res.base_addr, i64 2, i1 false)
  %8 = getelementptr inbounds [2 x i8], ptr %7, i64 0, i64 0
  %9 = load ptr, ptr %4, align 8, !tbaa !8
  %10 = call signext i8 @bmi3_set_regs(i8 noundef zeroext 65, ptr noundef %8, i16 noundef zeroext 2, ptr noundef %9)
  store i8 %10, ptr %5, align 1, !tbaa !5
  %11 = load i8, ptr %5, align 1, !tbaa !5
  %12 = sext i8 %11 to i32
  %13 = icmp eq i32 %12, 0
  br i1 %13, label %14, label %34

14:                                               ; preds = %2
  %15 = getelementptr inbounds [2 x i8], ptr %6, i64 0, i64 0
  %16 = load i8, ptr %15, align 1, !tbaa !5
  %17 = zext i8 %16 to i32
  %18 = and i32 %17, -2
  %19 = load i8, ptr %3, align 1, !tbaa !5
  %20 = zext i8 %19 to i32
  %21 = and i32 %20, 1
  %22 = or i32 %18, %21
  %23 = trunc i32 %22 to i8
  %24 = getelementptr inbounds [2 x i8], ptr %6, i64 0, i64 0
  store i8 %23, ptr %24, align 1, !tbaa !5
  %25 = getelementptr inbounds [2 x i8], ptr %6, i64 0, i64 1
  %26 = load i8, ptr %25, align 1, !tbaa !5
  %27 = zext i8 %26 to i32
  %28 = shl i32 %27, 8
  %29 = trunc i32 %28 to i8
  %30 = getelementptr inbounds [2 x i8], ptr %6, i64 0, i64 1
  store i8 %29, ptr %30, align 1, !tbaa !5
  %31 = getelementptr inbounds [2 x i8], ptr %6, i64 0, i64 0
  %32 = load ptr, ptr %4, align 8, !tbaa !8
  %33 = call signext i8 @bmi3_set_regs(i8 noundef zeroext 66, ptr noundef %31, i16 noundef zeroext 2, ptr noundef %32)
  store i8 %33, ptr %5, align 1, !tbaa !5
  br label %34

34:                                               ; preds = %14, %2
  %35 = load i8, ptr %5, align 1, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 2, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 2, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #4
  ret i8 %35
}

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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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"}
!8 = !{!9, !9, i64 0}
!9 = !{!"any pointer", !6, 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"

@__const.bmi3_set_i3c_sync_i3c_tc_res.base_addr = external hidden unnamed_addr constant [2 x i8], align 1

; 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_i3c_sync_i3c_tc_res(i8 noundef zeroext %0, ptr noundef %1) local_unnamed_addr #1 {
  %3 = alloca [2 x i8], align 1
  %4 = alloca [2 x i8], align 2
  call void @llvm.lifetime.start.p0(i64 2, ptr nonnull %3) #2
  call void @llvm.lifetime.start.p0(i64 2, ptr nonnull %4) #2
  %5 = load i16, ptr @__const.bmi3_set_i3c_sync_i3c_tc_res.base_addr, align 1
  store i16 %5, ptr %4, align 2
  %6 = call signext i8 @bmi3_set_regs(i8 noundef zeroext 65, ptr noundef nonnull %4, i16 noundef zeroext 2, ptr noundef %1)
  %7 = icmp eq i8 %6, 0
  br i1 %7, label %8, label %12

8:                                                ; preds = %2
  %9 = and i8 %0, 1
  store i8 %9, ptr %3, align 1, !tbaa !5
  %10 = getelementptr inbounds i8, ptr %3, i64 1
  store i8 0, ptr %10, align 1, !tbaa !5
  %11 = call signext i8 @bmi3_set_regs(i8 noundef zeroext 66, ptr noundef nonnull %3, i16 noundef zeroext 2, ptr noundef %1)
  br label %12

12:                                               ; preds = %8, %2
  %.0 = phi i8 [ %11, %8 ], [ %6, %2 ]
  call void @llvm.lifetime.end.p0(i64 2, ptr nonnull %4) #2
  call void @llvm.lifetime.end.p0(i64 2, ptr nonnull %3) #2
  ret i8 %.0
}

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,GVNPass,GlobalOptPass,IPSCCPPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,SROAPass