c3c/test/test_suite/statements/ranged_switch.c3t

// #target: macos-x64

module foo;

extern fn void printf(char*, ...);

fn void main()
{
    for (int i = 0; i < 12; i++)
    {
        switch (i)
        {
            case 1 .. 3:
                printf("1-3\n");
            case 7 .. 277:
                printf("7-277 %d\n", i);
            case 4 .. 5:
                printf("4-5 %d\n", i);
            case 6:
                printf("6 %d\n", i);
            default:
                printf("Something else: %d\n", i);
                nextcase 5;
        }
    }
    for (int i = 0; i < 12; i++)
    {
        switch (i)
        {
            case 1 .. 3:
                printf("1-3\n");
            case 4 .. 6:
                printf("4-6 %d\n", i);
            default:
                printf("Something else: %d\n", i);
                nextcase 5;
        }
    }
    bool x = false;
    switch (x)
    {
        case true:
            printf("Was true!\n");
        case false:
            printf("Was false!\n");
    }
}

/* #expect: foo.ll

define void @foo_main() #0 {
entry:
  %i = alloca i32, align 4
  %switch = alloca i32, align 4
  %i11 = alloca i32, align 4
  %switch15 = alloca i32, align 4
  %x = alloca i8, align 1
  %switch23 = alloca i8, align 1
  store i32 0, i32* %i, align 4
  br label %loop.cond

loop.cond:                                        ; preds = %switch.exit, %entry
  %0 = load i32, i32* %i, align 4
  %lt = icmp slt i32 %0, 12
  br i1 %lt, label %loop.body, label %loop.exit

loop.body:                                        ; preds = %loop.cond
  %1 = load i32, i32* %i, align 4
  store i32 %1, i32* %switch, align 4
  br label %switch.entry

switch.entry:                                     ; preds = %loop.body
  %2 = load i32, i32* %switch, align 4
  %le = icmp sle i32 1, %2
  %ge = icmp sge i32 3, %2
  %3 = and i1 %le, %ge
  br i1 %3, label %switch.case, label %next_if

switch.case:                                      ; preds = %switch.entry
  call void (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i32 0, i32 0))
  br label %switch.exit

next_if:                                          ; preds = %switch.entry
  %le1 = icmp sle i32 7, %2
  %ge2 = icmp sge i32 277, %2
  %4 = and i1 %le1, %ge2
  br i1 %4, label %switch.case3, label %next_if4

switch.case3:                                     ; preds = %next_if
  %5 = load i32, i32* %i, align 4
  call void (i8*, ...) @printf(i8* getelementptr inbounds ([10 x i8], [10 x i8]* @.str.1, i32 0, i32 0), i32 %5)
  br label %switch.exit

next_if4:                                         ; preds = %next_if
  %le5 = icmp sle i32 4, %2
  %ge6 = icmp sge i32 5, %2
  %6 = and i1 %le5, %ge6
  br i1 %6, label %switch.case7, label %next_if8

switch.case7:                                     ; preds = %switch.default, %next_if4
  %7 = load i32, i32* %i, align 4
  call void (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.2, i32 0, i32 0), i32 %7)
  br label %switch.exit

next_if8:                                         ; preds = %next_if4
  %eq = icmp eq i32 6, %2
  br i1 %eq, label %switch.case9, label %next_if10

switch.case9:                                     ; preds = %next_if8
  %8 = load i32, i32* %i, align 4
  call void (i8*, ...) @printf(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.3, i32 0, i32 0), i32 %8)
  br label %switch.exit

next_if10:                                        ; preds = %next_if8
  br label %switch.default

switch.default:                                   ; preds = %next_if10
  %9 = load i32, i32* %i, align 4
  call void (i8*, ...) @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.4, i32 0, i32 0), i32 %9)
  br label %switch.case7

switch.exit:                                      ; preds = %switch.case9, %switch.case7, %switch.case3, %switch.case
  %10 = load i32, i32* %i, align 4
  %add = add i32 %10, 1
  store i32 %add, i32* %i, align 4
  br label %loop.cond

loop.exit:                                        ; preds = %loop.cond
  store i32 0, i32* %i11, align 4
  br label %loop.cond12

loop.cond12:                                      ; preds = %switch.exit20, %loop.exit
  %11 = load i32, i32* %i11, align 4
  %lt13 = icmp slt i32 %11, 12
  br i1 %lt13, label %loop.body14, label %loop.exit22

loop.body14:                                      ; preds = %loop.cond12
  %12 = load i32, i32* %i11, align 4
  store i32 %12, i32* %switch15, align 4
  br label %switch.entry16

switch.entry16:                                   ; preds = %loop.body14
  %13 = load i32, i32* %switch15, align 4
  switch i32 %13, label %switch.default19 [
    i32 1, label %switch.case17
    i32 2, label %switch.case17
    i32 3, label %switch.case17
    i32 4, label %switch.case18
    i32 5, label %switch.case18
    i32 6, label %switch.case18
  ]

switch.case17:                                    ; preds = %switch.entry16, %switch.entry16, %switch.entry16
  call void (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @.str.5, i32 0, i32 0))
  br label %switch.exit20

switch.case18:                                    ; preds = %switch.default19, %switch.entry16, %switch.entry16, %switch.entry16
  %14 = load i32, i32* %i11, align 4
  call void (i8*, ...) @printf(i8* getelementptr inbounds ([8 x i8], [8 x i8]* @.str.6, i32 0, i32 0), i32 %14)
  br label %switch.exit20

switch.default19:                                 ; preds = %switch.entry16
  %15 = load i32, i32* %i11, align 4
  call void (i8*, ...) @printf(i8* getelementptr inbounds ([20 x i8], [20 x i8]* @.str.7, i32 0, i32 0), i32 %15)
  br label %switch.case18

switch.exit20:                                    ; preds = %switch.case18, %switch.case17
  %16 = load i32, i32* %i11, align 4
  %add21 = add i32 %16, 1
  store i32 %add21, i32* %i11, align 4
  br label %loop.cond12

loop.exit22:                                      ; preds = %loop.cond12
  store i8 0, i8* %x, align 1
  %17 = load i8, i8* %x, align 1
  store i8 %17, i8* %switch23, align 1
  br label %switch.entry24

switch.entry24:                                   ; preds = %loop.exit22
  %18 = load i8, i8* %switch23, align 1
  %19 = trunc i8 %18 to i1
  %eq25 = icmp eq i1 true, %19
  br i1 %eq25, label %switch.case26, label %next_if27

switch.case26:                                    ; preds = %switch.entry24
  call void (i8*, ...) @printf(i8* getelementptr inbounds ([11 x i8], [11 x i8]* @.str.8, i32 0, i32 0))
  br label %switch.exit31

next_if27:                                        ; preds = %switch.entry24
  %eq28 = icmp eq i1 false, %19
  br i1 %eq28, label %switch.case29, label %next_if30

switch.case29:                                    ; preds = %next_if27
  call void (i8*, ...) @printf(i8* getelementptr inbounds ([12 x i8], [12 x i8]* @.str.9, i32 0, i32 0))
  br label %switch.exit31

next_if30:                                        ; preds = %next_if27
  br label %switch.exit31

switch.exit31:                                    ; preds = %next_if30, %switch.case29, %switch.case26
  ret void
}