You've already forked linux-packaging-mono
							
							
		
			
	
	
		
			97 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
		
		
			
		
	
	
			97 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
|   | ; RUN: llc < %s -march=avr | FileCheck %s
 | ||
|  | 
 | ||
|  | ; CHECK-LABEL: relax_breq
 | ||
|  | ; CHECK: cpi     r{{[0-9]+}}, 0
 | ||
|  | ; CHECK: brne    LBB0_1
 | ||
|  | ; CHECK: rjmp    LBB0_2
 | ||
|  | ; LBB0_1:
 | ||
|  | 
 | ||
|  | define i8 @relax_breq(i1 %a) { | ||
|  | entry-block: | ||
|  |   br i1 %a, label %hello, label %finished | ||
|  | 
 | ||
|  | hello: | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   br label %finished | ||
|  | finished: | ||
|  |   ret i8 3 | ||
|  | } | ||
|  | 
 | ||
|  | ; CHECK-LABEL: no_relax_breq
 | ||
|  | ; CHECK: cpi     r{{[0-9]+}}, 0
 | ||
|  | ; CHECK: breq    [[END_BB:LBB[0-9]+_[0-9]+]]
 | ||
|  | ; CHECK: nop
 | ||
|  | ; ...
 | ||
|  | ; LBB0_1:
 | ||
|  | define i8 @no_relax_breq(i1 %a) { | ||
|  | entry-block: | ||
|  |   br i1 %a, label %hello, label %finished | ||
|  | 
 | ||
|  | hello: | ||
|  |   ; There are not enough NOPs to require relaxation.
 | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   call void asm sideeffect "nop", ""() | ||
|  |   br label %finished | ||
|  | finished: | ||
|  |   ret i8 3 | ||
|  | } | ||
|  | 
 |