25 lines
		
	
	
		
			892 B
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			25 lines
		
	
	
		
			892 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=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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; RUN: llc -march=r600 -mcpu=redwood -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
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; FUNC-LABEL: {{^}}bfm_pattern:
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; SI: s_bfm_b32 {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
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define void @bfm_pattern(i32 addrspace(1)* %out, i32 %x, i32 %y) #0 {
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  %a = shl i32 1, %x
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  %b = sub i32 %a, 1
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  %c = shl i32 %b, %y
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  store i32 %c, i32 addrspace(1)* %out
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  ret void
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}
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; FUNC-LABEL: {{^}}bfm_pattern_simple:
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; SI: s_bfm_b32 {{s[0-9]+}}, {{s[0-9]+}}, 0
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define void @bfm_pattern_simple(i32 addrspace(1)* %out, i32 %x) #0 {
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  %a = shl i32 1, %x
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  %b = sub i32 %a, 1
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  store i32 %b, i32 addrspace(1)* %out
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  ret void
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}
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attributes #0 = { nounwind }
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