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		91fa16b211
		
	
	
	
	
		
			
			For tests that use `ignore-llvm-version: N - M`, replace that with `max-llvm-major-version: N-1`.
		
			
				
	
	
		
			34 lines
		
	
	
		
			850 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
			
		
		
	
	
			34 lines
		
	
	
		
			850 B
		
	
	
	
		
			Rust
		
	
	
	
	
	
| // This is test for more optimal Ord implementation for integers.
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| // See <https://github.com/rust-lang/rust/issues/63758> for more info.
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| 
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| //@ revisions: llvm-pre-20 llvm-20
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| //@ [llvm-20] min-llvm-version: 20
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| //@ [llvm-pre-20] max-llvm-major-version: 19
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| //@ compile-flags: -C opt-level=3
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| 
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| #![crate_type = "lib"]
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| 
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| use std::cmp::Ordering;
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| 
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| // CHECK-LABEL: @cmp_signed
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| #[no_mangle]
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| pub fn cmp_signed(a: i64, b: i64) -> Ordering {
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|     // llvm-20: @llvm.scmp.i8.i64
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|     // llvm-pre-20: icmp slt
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|     // llvm-pre-20: icmp ne
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|     // llvm-pre-20: zext i1
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|     // llvm-pre-20: select i1
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|     a.cmp(&b)
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| }
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| 
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| // CHECK-LABEL: @cmp_unsigned
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| #[no_mangle]
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| pub fn cmp_unsigned(a: u32, b: u32) -> Ordering {
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|     // llvm-20: @llvm.ucmp.i8.i32
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|     // llvm-pre-20: icmp ult
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|     // llvm-pre-20: icmp ne
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|     // llvm-pre-20: zext i1
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|     // llvm-pre-20: select i1
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|     a.cmp(&b)
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| }
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