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			42 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
			
		
		
	
	
			42 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
; RUN: llc -march=amdgcn -mcpu=SI < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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declare i32 @llvm.r600.read.tidig.x() nounwind readnone
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; FUNC-LABEL: @v_test_imax3_sgt_i32
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; SI: v_max3_i32
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define void @v_test_imax3_sgt_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr, i32 addrspace(1)* %cptr) nounwind {
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  %tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
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  %gep0 = getelementptr i32, i32 addrspace(1)* %aptr, i32 %tid
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  %gep1 = getelementptr i32, i32 addrspace(1)* %bptr, i32 %tid
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  %gep2 = getelementptr i32, i32 addrspace(1)* %cptr, i32 %tid
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  %outgep = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
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  %a = load i32, i32 addrspace(1)* %gep0, align 4
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  %b = load i32, i32 addrspace(1)* %gep1, align 4
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  %c = load i32, i32 addrspace(1)* %gep2, align 4
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  %icmp0 = icmp sgt i32 %a, %b
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  %i0 = select i1 %icmp0, i32 %a, i32 %b
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  %icmp1 = icmp sgt i32 %i0, %c
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  %i1 = select i1 %icmp1, i32 %i0, i32 %c
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  store i32 %i1, i32 addrspace(1)* %out, align 4
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  ret void
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}
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; FUNC-LABEL: @v_test_umax3_ugt_i32
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; SI: v_max3_u32
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define void @v_test_umax3_ugt_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %aptr, i32 addrspace(1)* %bptr, i32 addrspace(1)* %cptr) nounwind {
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  %tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
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  %gep0 = getelementptr i32, i32 addrspace(1)* %aptr, i32 %tid
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  %gep1 = getelementptr i32, i32 addrspace(1)* %bptr, i32 %tid
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  %gep2 = getelementptr i32, i32 addrspace(1)* %cptr, i32 %tid
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  %outgep = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
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  %a = load i32, i32 addrspace(1)* %gep0, align 4
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  %b = load i32, i32 addrspace(1)* %gep1, align 4
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  %c = load i32, i32 addrspace(1)* %gep2, align 4
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  %icmp0 = icmp ugt i32 %a, %b
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  %i0 = select i1 %icmp0, i32 %a, i32 %b
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  %icmp1 = icmp ugt i32 %i0, %c
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  %i1 = select i1 %icmp1, i32 %i0, i32 %c
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  store i32 %i1, i32 addrspace(1)* %out, align 4
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  ret void
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}
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