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1# RUN: llc -mtriple=amdgcn -mcpu=gfx908 -o - -run-pass si-fix-sgpr-copies -verify-machineinstrs %s | FileCheck -check-prefix=GCN %s2 3# GCN-LABEL: fold_acc_copy_into_valu4# GCN: [[COPY:%[0-9]+]]:vgpr_32 = COPY %0.sub05# GCN: %2:vgpr_32 = V_AND_B32_e32 [[COPY]], undef %3:vgpr_32, implicit $exec6---7name: fold_acc_copy_into_valu8body: |9 bb.0.entry:10 11 %0:areg_1024 = IMPLICIT_DEF12 %1:sreg_32_xm0 = COPY %0.sub013 %3:vgpr_32 = V_AND_B32_e32 %1, undef %2:vgpr_32, implicit $exec14 15...16