33 lines
		
	
	
		
			961 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			33 lines
		
	
	
		
			961 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc < %s -march=avr | FileCheck %s
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| 
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| ; CHECK-LABEL: ret_void_args_i64_i64_i32
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| define void @ret_void_args_i64_i64_i32(i64 %a, i64 %b, i32 %c) {
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|   ; We're goign to clobber PTRREG Y
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|   ; CHECK:      push    r28
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|   ; CHECK-NEXT: push    r29
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| 
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|   ; Load the stack pointer into Y.
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|   ; CHECK-NEXT: in      r28, 61
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|   ; CHECK-NEXT: in      r29, 62
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| 
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|   ; Load the top two bytes from the 32-bit int.
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|   ; CHECK-NEXT: ldd     r24, Y+7
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|   ; CHECK-NEXT: ldd     r25, Y+8
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|   ; Store the top two bytes of the 32-bit int to memory.
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|   ; CHECK-NEXT: sts     7, r25
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|   ; CHECK-NEXT: sts     6, r24
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| 
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|   ; Load the bottom two bytes from the 32-bit int.
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|   ; CHECK-NEXT: ldd     r24, Y+5
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|   ; CHECK-NEXT: ldd     r25, Y+6
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|   ; Store the bottom two bytes of the 32-bit int to memory.
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|   ; CHECK-NEXT: sts     5, r25
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|   ; CHECK-NEXT: sts     4, r24
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| 
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|   ; Restore PTRREG Y
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|   ; CHECK-NEXT: pop     r29
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|   ; CHECK-NEXT: pop     r28
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|   store volatile i32 %c, i32* inttoptr (i64 4 to i32*)
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|   ret void
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| }
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