source_filename = "while_test.sy"
target triple = "x86_64-pc-linux-gnu"

@a = dso_local global i32 0, align 4
@b = dso_local global i32 0, align 4

define dso_local i32 @main() #0 {
    store i32 0, i32* @b, align 4
    store i32 3, i32* @a, align 4
    br label %1

1:;preds = %5, %0
    %2 = load i32, i32* @a, align 4;a
    %3 = load i32, i32* @b, align 4;b
    %4 = icmp sgt i32 %2, 0;a > 0 ?
    br i1 %4, label %5, label %10

5:;preds = %1
    %6 = load i32, i32* @a, align 4;a
    %7 = load i32, i32* @b, align 4;b
    %8 = add nsw i32 %6, %7;b + a
    store i32 %8, i32* @b, align 4
    %9 = sub nsw i32 %6, 1;a - 1
    store i32 %9, i32* @a, align 4
    br label %1

10:;preds = %1
    %11 = load i32, i32* @b, align 4;b
    ret i32 %11
}

attributes #0 = { noinline nounwind optnone uwtable "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }