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1# RUN: llc -mtriple=amdgcn -mcpu=gfx900 -run-pass=si-fold-operands,dead-mi-elimination -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s2 3---4 5# GCN-LABEL: name: fold_sgpr_to_sgpr_copy_full6# GCN: %0:sgpr_32 = IMPLICIT_DEF7# GCN-NEXT: S_STORE_DWORD_IMM %0, undef $sgpr10_sgpr11, 0, 08 9name: fold_sgpr_to_sgpr_copy_full10body: |11 bb.0:12 13 %0:sgpr_32 = IMPLICIT_DEF14 %1:sgpr_32 = COPY %015 %2:sgpr_32 = COPY %116 S_STORE_DWORD_IMM %2, undef $sgpr10_sgpr11, 0, 017...18 19# GCN-LABEL: name: fold_sgpr_to_sgpr_copy_subreg20# GCN: %0:sreg_64_xexec = IMPLICIT_DEF21# GCN-NEXT: S_STORE_DWORD_IMM %0.sub0, undef $sgpr10_sgpr11, 0, 022 23name: fold_sgpr_to_sgpr_copy_subreg24body: |25 bb.0:26 27 %0:sreg_64 = IMPLICIT_DEF28 %1:sgpr_32 = COPY %0.sub029 %2:sgpr_32 = COPY %130 S_STORE_DWORD_IMM %2, undef $sgpr10_sgpr11, 0, 031...32 33# GCN-LABEL: name: fold_sgpr_to_sgpr_copy_subreg234# GCN: %0:sreg_64_xexec = IMPLICIT_DEF35# GCN-NEXT: S_STORE_DWORD_IMM %0.sub0, undef $sgpr10_sgpr11, 0, 036 37name: fold_sgpr_to_sgpr_copy_subreg238body: |39 bb.0:40 41 %0:sreg_64 = IMPLICIT_DEF42 %1:sgpr_32 = COPY %0.sub043 %2:sgpr_32 = COPY %144 %3:sreg_32_xm0_xexec = COPY %245 S_STORE_DWORD_IMM %3, undef $sgpr10_sgpr11, 0, 046...47