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			19 lines
		
	
	
		
			478 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			19 lines
		
	
	
		
			478 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
| //@ compile-flags: -C opt-level=0
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| 
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| #![crate_type = "lib"]
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| 
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| #[repr(C)]
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| pub enum E {
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|     A,
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| }
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| 
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| // CHECK-LABEL: @index
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| #[no_mangle]
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| pub fn index(x: &[u32; 3], ind: E) -> u32 {
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|     // Canary: we should be able to optimize out the bounds check, but we need
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|     // to track the range of the discriminant result in order to be able to do that.
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|     // oli-obk tried to add that, but that caused miscompilations all over the place.
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|     // CHECK: panic_bounds_check
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|     x[ind as usize]
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| }
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