; LLVM IR from cvra/robot-software :: actuator-firmware/src (pressure_sensor)

; 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 zeroext i1 @mpr_status_is_error(i8 noundef zeroext %0) #0 {
  %2 = alloca i1, align 1
  %3 = alloca i8, align 1
  store i8 %0, ptr %3, align 1, !tbaa !5
  %4 = load i8, ptr %3, align 1, !tbaa !5
  %5 = zext i8 %4 to i32
  %6 = and i32 %5, 64
  %7 = icmp eq i32 %6, 0
  br i1 %7, label %8, label %9

8:                                                ; preds = %1
  store i1 true, ptr %2, align 1
  br label %28

9:                                                ; preds = %1
  %10 = load i8, ptr %3, align 1, !tbaa !5
  %11 = zext i8 %10 to i32
  %12 = and i32 %11, 4
  %13 = icmp ne i32 %12, 0
  br i1 %13, label %14, label %15

14:                                               ; preds = %9
  store i1 true, ptr %2, align 1
  br label %28

15:                                               ; preds = %9
  %16 = load i8, ptr %3, align 1, !tbaa !5
  %17 = zext i8 %16 to i32
  %18 = and i32 %17, 1
  %19 = icmp ne i32 %18, 0
  br i1 %19, label %20, label %21

20:                                               ; preds = %15
  store i1 true, ptr %2, align 1
  br label %28

21:                                               ; preds = %15
  %22 = load i8, ptr %3, align 1, !tbaa !5
  %23 = zext i8 %22 to i32
  %24 = and i32 %23, 152
  %25 = icmp ne i32 %24, 0
  br i1 %25, label %26, label %27

26:                                               ; preds = %21
  store i1 true, ptr %2, align 1
  br label %28

27:                                               ; preds = %21
  store i1 false, ptr %2, align 1
  br label %28

28:                                               ; preds = %27, %26, %20, %14, %8
  %29 = load i1, ptr %2, align 1
  ret i1 %29
}

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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/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 nofree norecurse nosync nounwind willreturn memory(none) uwtable
define dso_local noundef zeroext i1 @mpr_status_is_error(i8 noundef zeroext %0) local_unnamed_addr #0 {
  %2 = and i8 %0, -35
  %.0 = icmp ne i8 %2, 64
  ret i1 %.0
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) 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,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass