mirror of
				https://github.com/rust-lang/rust.git
				synced 2025-10-31 04:57:19 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			29 lines
		
	
	
		
			603 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			29 lines
		
	
	
		
			603 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
| //! Test that `RangeTo` and `RangeToInclusive` generate identical
 | |
| //! (and optimal) code; #63646
 | |
| //@ compile-flags: -Copt-level=3 -Zmerge-functions=disabled
 | |
| #![crate_type = "lib"]
 | |
| 
 | |
| #[no_mangle]
 | |
| // CHECK-LABEL: range_to(
 | |
| pub fn range_to(a: i32, mut b: i32) -> i32 {
 | |
|     // CHECK: %1 = and i32 %0, %a
 | |
|     // CHECK-NEXT: ret i32 %1
 | |
|     for _ in 0..65 {
 | |
|         b &= a;
 | |
|     }
 | |
| 
 | |
|     b
 | |
| }
 | |
| 
 | |
| #[no_mangle]
 | |
| // CHECK-LABEL: range_to_inclusive(
 | |
| pub fn range_to_inclusive(a: i32, mut b: i32) -> i32 {
 | |
|     // CHECK: %1 = and i32 %0, %a
 | |
|     // CHECK-NEXT: ret i32 %1
 | |
|     for _ in 0..=64 {
 | |
|         b &= a;
 | |
|     }
 | |
| 
 | |
|     b
 | |
| }
 | 
