31 lines
		
	
	
		
			756 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			31 lines
		
	
	
		
			756 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc -mattr=avr6 < %s -march=avr | FileCheck %s
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| 
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| ; CHECK-LABEL: atomic_swap8
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| ; CHECK: call __sync_lock_test_and_set_1
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| define i8 @atomic_swap8(i8* %foo) {
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|   %val = atomicrmw xchg i8* %foo, i8 13 seq_cst
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|   ret i8 %val
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| }
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| 
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| ; CHECK-LABEL: atomic_swap16
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| ; CHECK: call __sync_lock_test_and_set_2
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| define i16 @atomic_swap16(i16* %foo) {
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|   %val = atomicrmw xchg i16* %foo, i16 13 seq_cst
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|   ret i16 %val
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| }
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| 
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| ; CHECK-LABEL: atomic_swap32
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| ; CHECK: call __sync_lock_test_and_set_4
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| define i32 @atomic_swap32(i32* %foo) {
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|   %val = atomicrmw xchg i32* %foo, i32 13 seq_cst
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|   ret i32 %val
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| }
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| 
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| ; CHECK-LABEL: atomic_swap64
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| ; CHECK: call __sync_lock_test_and_set_8
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| define i64 @atomic_swap64(i64* %foo) {
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|   %val = atomicrmw xchg i64* %foo, i64 13 seq_cst
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|   ret i64 %val
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| }
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| 
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