forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			15 lines
		
	
	
		
			522 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			15 lines
		
	
	
		
			522 B
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: llc < %s -mtriple=thumbv7-apple-ios -mcpu=cortex-m3 | FileCheck %s
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@foo = common global void ()* null, align 4
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; Make sure in the presence of a tail call, r9 doesn't get used to hold
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; the destination address. It's callee-saved in AAPCS.
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define arm_aapcscc void @test(i32 %a) nounwind {
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; CHECK-LABEL: test:
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; CHECK-NOT: bx r9
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  %tmp = load void ()*, void ()** @foo, align 4
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  tail call void asm sideeffect "", "~{r0},~{r1},~{r2},~{r3},~{r12}"() nounwind
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  tail call arm_aapcscc void %tmp() nounwind
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  ret void
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}
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