| # RUN: llc -march=amdgcn -mcpu=gfx1010 -run-pass=si-fold-operands,dead-mi-elimination -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s |
| |
| # GCN-LABEL: name: fold_vgpr_to_vgpr_copy |
| # GCN: %0:vreg_64 = IMPLICIT_DEF |
| # GCN-NEXT: %1:vgpr_32 = IMPLICIT_DEF |
| # GCN-NEXT: %2:vgpr_32 = IMPLICIT_DEF |
| # GCN-NEXT: DS_WRITE2_B32_gfx9 %0.sub0, killed %1, killed %2, 0, 1, 0, implicit $exec |
| |
| --- |
| name: fold_vgpr_to_vgpr_copy |
| body: | |
| bb.0: |
| |
| %0:vreg_64 = IMPLICIT_DEF |
| %4:vgpr_32 = IMPLICIT_DEF |
| %3:vgpr_32 = IMPLICIT_DEF |
| %1:vgpr_32 = COPY %0.sub0 |
| %2:vgpr_32 = COPY %1 |
| DS_WRITE2_B32_gfx9 %2, killed %4, killed %3, 0, 1, 0, implicit $exec |
| ... |
| |
| # GCN-LABEL: name: fold_sgpr_to_vgpr_copy |
| # GCN: %0:sreg_64 = IMPLICIT_DEF |
| # GCN-NEXT: %1:vgpr_32 = IMPLICIT_DEF |
| # GCN-NEXT: %2:vgpr_32 = IMPLICIT_DEF |
| # GCN-NEXT: %4:vgpr_32 = COPY %0.sub0 |
| # GCN-NEXT: DS_WRITE2_B32_gfx9 %4, killed %1, killed %2, 0, 1, 0, implicit $exec |
| name: fold_sgpr_to_vgpr_copy |
| body: | |
| bb.0: |
| |
| %0:sreg_64 = IMPLICIT_DEF |
| %4:vgpr_32 = IMPLICIT_DEF |
| %3:vgpr_32 = IMPLICIT_DEF |
| %1:sgpr_32 = COPY %0.sub0 |
| %2:vgpr_32 = COPY %1 |
| DS_WRITE2_B32_gfx9 %2, killed %4, killed %3, 0, 1, 0, implicit $exec |
| ... |
| |
| # GCN-LABEL: name: fma_sgpr_use |
| # GCN: %0:sreg_64_xexec = IMPLICIT_DEF |
| # GCN-NEXT: %4:vgpr_32 = nnan ninf nsz arcp contract afn reassoc V_FMA_F32_e64 2, %0.sub0, 0, 1073741824, 0, %0.sub1, 0, 0, implicit $mode, implicit $exec |
| --- |
| name: fma_sgpr_use |
| body: | |
| bb.0: |
| %0:sreg_64_xexec = IMPLICIT_DEF |
| %1:sgpr_32 = COPY %0.sub0 |
| %2:sgpr_32 = COPY %0.sub1 |
| %3:vgpr_32 = COPY %2 |
| %4:vgpr_32 = nnan ninf nsz arcp contract afn reassoc V_FMAC_F32_e64 2, %1, 0, 1073741824, 0, %3, 0, 0, implicit $mode, implicit $exec |
| DS_WRITE2_B32_gfx9 undef %5:vgpr_32, killed %4, undef %6:vgpr_32, 0, 1, 0, implicit $exec |
| ... |