14 lines
		
	
	
		
			593 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			14 lines
		
	
	
		
			593 B
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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| ; RUN: llc -march=r600 -mcpu=cypress -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
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| 
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| declare float @llvm.AMDGPU.legacy.rsq(float) nounwind readnone
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| 
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| ; FUNC-LABEL: {{^}}rsq_legacy_f32:
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| ; SI: v_rsq_legacy_f32_e32
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| ; EG: RECIPSQRT_IEEE
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| define void @rsq_legacy_f32(float addrspace(1)* %out, float %src) nounwind {
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|   %rsq = call float @llvm.AMDGPU.legacy.rsq(float %src) nounwind readnone
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|   store float %rsq, float addrspace(1)* %out, align 4
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|   ret void
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| }
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