; LLVM IR from marcobambini/gravity :: src/compiler (gravity_token)

; 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 @token_isexpression_statement(i32 noundef %0) #0 {
  %2 = alloca i32, align 4
  store i32 %0, ptr %2, align 4, !tbaa !5
  %3 = load i32, ptr %2, align 4, !tbaa !5
  %4 = call zeroext i1 @token_isprimary_expression(i32 noundef %3)
  br i1 %4, label %20, label %5

5:                                                ; preds = %1
  %6 = load i32, ptr %2, align 4, !tbaa !5
  %7 = icmp eq i32 %6, 50
  br i1 %7, label %20, label %8

8:                                                ; preds = %5
  %9 = load i32, ptr %2, align 4, !tbaa !5
  %10 = icmp eq i32 %9, 51
  br i1 %10, label %20, label %11

11:                                               ; preds = %8
  %12 = load i32, ptr %2, align 4, !tbaa !5
  %13 = icmp eq i32 %12, 80
  br i1 %13, label %20, label %14

14:                                               ; preds = %11
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = icmp eq i32 %15, 43
  br i1 %16, label %20, label %17

17:                                               ; preds = %14
  %18 = load i32, ptr %2, align 4, !tbaa !5
  %19 = icmp eq i32 %18, 42
  br label %20

20:                                               ; preds = %17, %14, %11, %8, %5, %1
  %21 = phi i1 [ true, %14 ], [ true, %11 ], [ true, %8 ], [ true, %5 ], [ true, %1 ], [ %19, %17 ]
  ret i1 %21
}

; Function Attrs: nounwind uwtable
declare dso_local zeroext i1 @token_isprimary_expression(i32 noundef) #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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"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: nounwind uwtable
define dso_local noundef zeroext i1 @token_isexpression_statement(i32 noundef %0) local_unnamed_addr #0 {
  %2 = tail call zeroext i1 @token_isprimary_expression(i32 noundef %0)
  %3 = freeze i1 %2
  br i1 %3, label %switch.edge, label %switch.early.test

switch.early.test:                                ; preds = %1
  %switch.tableidx = add i32 %0, -42
  %4 = icmp ult i32 %switch.tableidx, 39
  br i1 %4, label %switch.lookup, label %switch.edge

switch.lookup:                                    ; preds = %switch.early.test
  %switch.cast = zext nneg i32 %switch.tableidx to i39
  %switch.downshift = lshr i39 -274877906173, %switch.cast
  %switch.masked = trunc i39 %switch.downshift to i1
  br label %switch.edge

switch.edge:                                      ; preds = %switch.early.test, %switch.lookup, %1
  %5 = phi i1 [ true, %1 ], [ %switch.masked, %switch.lookup ], [ false, %switch.early.test ]
  ret i1 %5
}

; Function Attrs: nounwind uwtable
declare dso_local zeroext i1 @token_isprimary_expression(i32 noundef) local_unnamed_addr #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)"}


; Effective O3 passes: GlobalOptPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass