; LLVM IR from ctlst-tech/catpilot :: os/freertos/osa/FreeRTOS-Plus-POSIX/source (FreeRTOS_POSIX_termios)

; 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"

%struct.termios = type { i32, i32, i32, i32, i8, [32 x i8], i32, i32 }

; Function Attrs: nounwind uwtable
define dso_local i32 @cfmakeraw(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = getelementptr inbounds %struct.termios, ptr %3, i32 0, i32 0
  %5 = load i32, ptr %4, align 4, !tbaa !9
  %6 = and i32 %5, -1516
  store i32 %6, ptr %4, align 4, !tbaa !9
  %7 = load ptr, ptr %2, align 8, !tbaa !5
  %8 = getelementptr inbounds %struct.termios, ptr %7, i32 0, i32 1
  %9 = load i32, ptr %8, align 4, !tbaa !12
  %10 = and i32 %9, -2
  store i32 %10, ptr %8, align 4, !tbaa !12
  %11 = load ptr, ptr %2, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.termios, ptr %11, i32 0, i32 5
  %13 = getelementptr inbounds [32 x i8], ptr %12, i64 0, i64 6
  store i8 1, ptr %13, align 1, !tbaa !13
  %14 = load ptr, ptr %2, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.termios, ptr %14, i32 0, i32 5
  %16 = getelementptr inbounds [32 x i8], ptr %15, i64 0, i64 5
  store i8 0, ptr %16, align 1, !tbaa !13
  ret i32 0
}

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" }

!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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !11, i64 0}
!10 = !{!"termios", !11, i64 0, !11, i64 4, !11, i64 8, !11, i64 12, !7, i64 16, !7, i64 17, !11, i64 52, !11, i64 56}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !11, i64 4}
!13 = !{!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 nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) uwtable
define dso_local noundef i32 @cfmakeraw(ptr nocapture noundef %0) local_unnamed_addr #0 {
  %2 = load <2 x i32>, ptr %0, align 4, !tbaa !5
  %3 = and <2 x i32> %2, <i32 -1516, i32 -2>
  store <2 x i32> %3, ptr %0, align 4, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %0, i64 23
  store i8 1, ptr %4, align 1, !tbaa !9
  %5 = getelementptr inbounds i8, ptr %0, i64 22
  store i8 0, ptr %5, align 1, !tbaa !9
  ret i32 0
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) 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"}
!9 = !{!7, !7, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InstCombinePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass