mirror of
				https://github.com/rust-lang/rust.git
				synced 2025-10-30 20:44:34 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			75 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			75 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
|    LL|       |#![feature(coverage_attribute)]
 | |
|    LL|       |//@ edition: 2021
 | |
|    LL|       |//@ compile-flags: -Zcoverage-options=branch
 | |
|    LL|       |//@ llvm-cov-flags: --show-branches=count
 | |
|    LL|       |
 | |
|    LL|       |macro_rules! no_merge {
 | |
|    LL|       |    () => {
 | |
|    LL|       |        for _ in 0..1 {}
 | |
|    LL|       |    };
 | |
|    LL|       |}
 | |
|    LL|       |
 | |
|    LL|      1|fn while_cond() {
 | |
|    LL|      1|    no_merge!();
 | |
|    LL|       |
 | |
|    LL|      1|    let mut a = 8;
 | |
|    LL|      9|    while a > 0 {
 | |
|   ------------------
 | |
|   |  Branch (LL:11): [True: 8, False: 1]
 | |
|   ------------------
 | |
|    LL|      8|        a -= 1;
 | |
|    LL|      8|    }
 | |
|    LL|      1|}
 | |
|    LL|       |
 | |
|    LL|      1|fn while_cond_not() {
 | |
|    LL|      1|    no_merge!();
 | |
|    LL|       |
 | |
|    LL|      1|    let mut a = 8;
 | |
|    LL|      9|    while !(a == 0) {
 | |
|   ------------------
 | |
|   |  Branch (LL:11): [True: 8, False: 1]
 | |
|   ------------------
 | |
|    LL|      8|        a -= 1;
 | |
|    LL|      8|    }
 | |
|    LL|      1|}
 | |
|    LL|       |
 | |
|    LL|      1|fn while_op_and() {
 | |
|    LL|      1|    no_merge!();
 | |
|    LL|       |
 | |
|    LL|      1|    let mut a = 8;
 | |
|    LL|      1|    let mut b = 4;
 | |
|    LL|      5|    while a > 0 && b > 0 {
 | |
|   ------------------
 | |
|   |  Branch (LL:11): [True: 5, False: 0]
 | |
|   |  Branch (LL:20): [True: 4, False: 1]
 | |
|   ------------------
 | |
|    LL|      4|        a -= 1;
 | |
|    LL|      4|        b -= 1;
 | |
|    LL|      4|    }
 | |
|    LL|      1|}
 | |
|    LL|       |
 | |
|    LL|      1|fn while_op_or() {
 | |
|    LL|      1|    no_merge!();
 | |
|    LL|       |
 | |
|    LL|      1|    let mut a = 4;
 | |
|    LL|      1|    let mut b = 8;
 | |
|    LL|      9|    while a > 0 || b > 0 {
 | |
|                                  ^5
 | |
|   ------------------
 | |
|   |  Branch (LL:11): [True: 4, False: 5]
 | |
|   |  Branch (LL:20): [True: 4, False: 1]
 | |
|   ------------------
 | |
|    LL|      8|        a -= 1;
 | |
|    LL|      8|        b -= 1;
 | |
|    LL|      8|    }
 | |
|    LL|      1|}
 | |
|    LL|       |
 | |
|    LL|       |#[coverage(off)]
 | |
|    LL|       |fn main() {
 | |
|    LL|       |    while_cond();
 | |
|    LL|       |    while_cond_not();
 | |
|    LL|       |    while_op_and();
 | |
|    LL|       |    while_op_or();
 | |
|    LL|       |}
 | |
| 
 | 
