|  | // RUN: FileCheck -input-file %s %s
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							|  | 
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							|  | op1 r1
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							|  | op2 r1, r2
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							|  | ; CHECK:        op1 [[REG:r[0-9]]]
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							|  | ; CHECK-NEXT:   op2 [[REG]]
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							|  | 
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							|  | op3 r16, r18, r21
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							|  | op4 r30, r18, r21
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							|  | ; CHECK:        op3 {{r[0-9]+}}, [[REGa:r[0-9]+]], [[REGb:r[0-9]+]]
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							|  | ; CHECK-NEXT:   op4 {{r[0-9]+}}, [[REGa]], [[REGb]]
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							|  | 
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