21 lines
		
	
	
		
			474 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			21 lines
		
	
	
		
			474 B
		
	
	
	
		
			LLVM
		
	
	
	
; RUN: llc -mtriple=arm64-apple-ios -global-isel -o - %s | FileCheck %s
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define i8* @rt0(i32 %x) nounwind readnone {
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entry:
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; CHECK-LABEL: rt0:
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; CHECK: mov x0, x29
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  %0 = tail call i8* @llvm.frameaddress(i32 0)
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  ret i8* %0
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}
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define i8* @rt2() nounwind readnone {
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entry:
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; CHECK-LABEL: rt2:
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; CHECK: ldr x[[reg:[0-9]+]], [x29]
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; CHECK: ldr x0, [x[[reg]]]
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  %0 = tail call i8* @llvm.frameaddress(i32 2)
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  ret i8* %0
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}
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declare i8* @llvm.frameaddress(i32) nounwind readnone
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