| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=hawaii -run-pass=instruction-select -verify-machineinstrs -o - %s | FileCheck -check-prefix=WAVE64 %s |
| # RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx1010 -mattr=+wavefrontsize32,-wavefrontsize64 -run-pass=instruction-select -verify-machineinstrs -o - %s | FileCheck -check-prefix=WAVE32 %s |
| |
| --- |
| |
| name: copy |
| legalized: true |
| regBankSelected: true |
| |
| |
| body: | |
| bb.0: |
| liveins: $sgpr2_sgpr3 |
| |
| ; WAVE64-LABEL: name: copy |
| ; WAVE64: [[COPY:%[0-9]+]]:sreg_64 = COPY $sgpr2_sgpr3 |
| ; WAVE64: [[COPY1:%[0-9]+]]:vreg_64 = COPY [[COPY]] |
| ; WAVE64: [[DEF:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF |
| ; WAVE64: FLAT_STORE_DWORD [[COPY1]], [[DEF]], 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1) |
| ; WAVE32-LABEL: name: copy |
| ; WAVE32: [[COPY:%[0-9]+]]:sreg_64 = COPY $sgpr2_sgpr3 |
| ; WAVE32: [[DEF:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF |
| ; WAVE32: [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec |
| ; WAVE32: GLOBAL_STORE_DWORD_SADDR [[V_MOV_B32_e32_]], [[DEF]], [[COPY]], 0, 0, implicit $exec :: (store 4, addrspace 1) |
| %0:sgpr(p1) = COPY $sgpr2_sgpr3 |
| %1:vgpr(p1) = COPY %0 |
| %2:vgpr(s32) = G_IMPLICIT_DEF |
| G_STORE %2, %1 :: (store 4, addrspace 1) |
| ... |
| --- |
| |
| name: copy_vcc_bank_sgpr_bank |
| legalized: true |
| regBankSelected: true |
| |
| body: | |
| bb.0: |
| liveins: $vgpr0_vgpr1, $vgpr2, $vgpr3, $scc |
| |
| ; WAVE64-LABEL: name: copy_vcc_bank_sgpr_bank |
| ; WAVE64: [[COPY:%[0-9]+]]:vreg_64 = COPY $vgpr0_vgpr1 |
| ; WAVE64: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr2 |
| ; WAVE64: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr3 |
| ; WAVE64: [[COPY3:%[0-9]+]]:sreg_32 = COPY $scc |
| ; WAVE64: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 1, [[COPY3]], implicit-def $scc |
| ; WAVE64: [[V_CMP_NE_U32_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_NE_U32_e64 0, [[S_AND_B32_]], implicit $exec |
| ; WAVE64: [[V_CNDMASK_B32_e64_:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, [[COPY2]], 0, [[COPY1]], [[V_CMP_NE_U32_e64_]], implicit $exec |
| ; WAVE64: FLAT_STORE_DWORD [[COPY]], [[V_CNDMASK_B32_e64_]], 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1) |
| ; WAVE32-LABEL: name: copy_vcc_bank_sgpr_bank |
| ; WAVE32: [[COPY:%[0-9]+]]:vreg_64 = COPY $vgpr0_vgpr1 |
| ; WAVE32: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr2 |
| ; WAVE32: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr3 |
| ; WAVE32: [[COPY3:%[0-9]+]]:sreg_32 = COPY $scc |
| ; WAVE32: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 1, [[COPY3]], implicit-def $scc |
| ; WAVE32: [[V_CMP_NE_U32_e64_:%[0-9]+]]:sreg_32_xm0_xexec = V_CMP_NE_U32_e64 0, [[S_AND_B32_]], implicit $exec |
| ; WAVE32: [[V_CNDMASK_B32_e64_:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, [[COPY2]], 0, [[COPY1]], [[V_CMP_NE_U32_e64_]], implicit $exec |
| ; WAVE32: GLOBAL_STORE_DWORD [[COPY]], [[V_CNDMASK_B32_e64_]], 0, 0, implicit $exec :: (store 4, addrspace 1) |
| %0:vgpr(p1) = COPY $vgpr0_vgpr1 |
| %1:vgpr(s32) = COPY $vgpr2 |
| %2:vgpr(s32) = COPY $vgpr3 |
| %3:sgpr(s1) = COPY $scc |
| %4:vcc(s1) = COPY %3 |
| %5:vgpr(s32) = G_SELECT %4, %1, %2 |
| G_STORE %5, %0 :: (store 4, addrspace 1) |
| ... |
| --- |
| |
| name: copy_vcc_bank_sgpr_bank_2_uses |
| legalized: true |
| regBankSelected: true |
| |
| body: | |
| bb.0: |
| liveins: $vgpr0_vgpr1, $vgpr2, $vgpr3, $scc |
| |
| ; WAVE64-LABEL: name: copy_vcc_bank_sgpr_bank_2_uses |
| ; WAVE64: [[COPY:%[0-9]+]]:vreg_64 = COPY $vgpr0_vgpr1 |
| ; WAVE64: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr2 |
| ; WAVE64: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr3 |
| ; WAVE64: [[COPY3:%[0-9]+]]:sreg_32 = COPY $scc |
| ; WAVE64: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 1, [[COPY3]], implicit-def $scc |
| ; WAVE64: [[V_CMP_NE_U32_e64_:%[0-9]+]]:sreg_64_xexec = V_CMP_NE_U32_e64 0, [[S_AND_B32_]], implicit $exec |
| ; WAVE64: [[V_CNDMASK_B32_e64_:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, [[COPY2]], 0, [[COPY1]], [[V_CMP_NE_U32_e64_]], implicit $exec |
| ; WAVE64: [[S_AND_B32_1:%[0-9]+]]:sreg_32 = S_AND_B32 1, [[COPY3]], implicit-def $scc |
| ; WAVE64: [[V_CMP_NE_U32_e64_1:%[0-9]+]]:sreg_64_xexec = V_CMP_NE_U32_e64 0, [[S_AND_B32_1]], implicit $exec |
| ; WAVE64: [[V_CNDMASK_B32_e64_1:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, [[V_CNDMASK_B32_e64_]], 0, [[COPY1]], [[V_CMP_NE_U32_e64_1]], implicit $exec |
| ; WAVE64: FLAT_STORE_DWORD [[COPY]], [[V_CNDMASK_B32_e64_1]], 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1) |
| ; WAVE32-LABEL: name: copy_vcc_bank_sgpr_bank_2_uses |
| ; WAVE32: [[COPY:%[0-9]+]]:vreg_64 = COPY $vgpr0_vgpr1 |
| ; WAVE32: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr2 |
| ; WAVE32: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr3 |
| ; WAVE32: [[COPY3:%[0-9]+]]:sreg_32 = COPY $scc |
| ; WAVE32: [[COPY4:%[0-9]+]]:sreg_32_xm0_xexec = COPY [[COPY3]] |
| ; WAVE32: [[V_CNDMASK_B32_e64_:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, [[COPY2]], 0, [[COPY1]], [[COPY4]], implicit $exec |
| ; WAVE32: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 1, [[COPY3]], implicit-def $scc |
| ; WAVE32: [[V_CMP_NE_U32_e64_:%[0-9]+]]:sreg_32_xm0_xexec = V_CMP_NE_U32_e64 0, [[S_AND_B32_]], implicit $exec |
| ; WAVE32: [[V_CNDMASK_B32_e64_1:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, [[V_CNDMASK_B32_e64_]], 0, [[COPY1]], [[V_CMP_NE_U32_e64_]], implicit $exec |
| ; WAVE32: GLOBAL_STORE_DWORD [[COPY]], [[V_CNDMASK_B32_e64_1]], 0, 0, implicit $exec :: (store 4, addrspace 1) |
| %0:vgpr(p1) = COPY $vgpr0_vgpr1 |
| %1:vgpr(s32) = COPY $vgpr2 |
| %2:vgpr(s32) = COPY $vgpr3 |
| %3:sgpr(s1) = COPY $scc |
| %4:vcc(s1) = COPY %3 |
| %5:vgpr(s32) = G_SELECT %4, %1, %2 |
| %6:vcc(s1) = COPY %3 |
| %7:vgpr(s32) = G_SELECT %6, %1, %5 |
| G_STORE %7, %0 :: (store 4, addrspace 1) |
| ... |
| |
| --- |
| |
| name: copy_vcc_bank_scc_physreg |
| legalized: true |
| regBankSelected: true |
| |
| body: | |
| bb.0: |
| liveins: $vgpr0_vgpr1, $vgpr2, $vgpr3, $scc |
| |
| ; WAVE64-LABEL: name: copy_vcc_bank_scc_physreg |
| ; WAVE64: [[COPY:%[0-9]+]]:vreg_64 = COPY $vgpr0_vgpr1 |
| ; WAVE64: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr2 |
| ; WAVE64: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr3 |
| ; WAVE64: [[COPY3:%[0-9]+]]:sreg_64_xexec = COPY $scc |
| ; WAVE64: [[V_CNDMASK_B32_e64_:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, [[COPY2]], 0, [[COPY1]], [[COPY3]], implicit $exec |
| ; WAVE64: FLAT_STORE_DWORD [[COPY]], [[V_CNDMASK_B32_e64_]], 0, 0, implicit $exec, implicit $flat_scr :: (store 4, addrspace 1) |
| ; WAVE32-LABEL: name: copy_vcc_bank_scc_physreg |
| ; WAVE32: [[COPY:%[0-9]+]]:vreg_64 = COPY $vgpr0_vgpr1 |
| ; WAVE32: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr2 |
| ; WAVE32: [[COPY2:%[0-9]+]]:vgpr_32 = COPY $vgpr3 |
| ; WAVE32: [[COPY3:%[0-9]+]]:sreg_32_xm0_xexec = COPY $scc |
| ; WAVE32: [[V_CNDMASK_B32_e64_:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e64 0, [[COPY2]], 0, [[COPY1]], [[COPY3]], implicit $exec |
| ; WAVE32: GLOBAL_STORE_DWORD [[COPY]], [[V_CNDMASK_B32_e64_]], 0, 0, implicit $exec :: (store 4, addrspace 1) |
| %0:vgpr(p1) = COPY $vgpr0_vgpr1 |
| %1:vgpr(s32) = COPY $vgpr2 |
| %2:vgpr(s32) = COPY $vgpr3 |
| %3:vcc(s1) = COPY $scc |
| %5:vgpr(s32) = G_SELECT %3, %1, %2 |
| G_STORE %5, %0 :: (store 4, addrspace 1) |
| ... |
| --- |
| |
| name: copy_sgpr_no_type |
| legalized: true |
| regBankSelected: true |
| |
| |
| body: | |
| bb.0: |
| liveins: $sgpr0 |
| ; WAVE64-LABEL: name: copy_sgpr_no_type |
| ; WAVE64: [[COPY:%[0-9]+]]:sreg_32_xm0 = COPY $sgpr0 |
| ; WAVE64: S_ENDPGM 0, implicit [[COPY]] |
| ; WAVE32-LABEL: name: copy_sgpr_no_type |
| ; WAVE32: [[COPY:%[0-9]+]]:sreg_32_xm0 = COPY $sgpr0 |
| ; WAVE32: S_ENDPGM 0, implicit [[COPY]] |
| %0:sreg_32_xm0 = COPY $sgpr0 |
| %1:sreg_32_xm0 = COPY %0 |
| S_ENDPGM 0, implicit %1 |
| |
| ... |
| |
| --- |
| |
| name: copy_vgpr_no_type |
| legalized: true |
| regBankSelected: true |
| |
| |
| body: | |
| bb.0: |
| liveins: $vgpr0 |
| ; WAVE64-LABEL: name: copy_vgpr_no_type |
| ; WAVE64: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0 |
| ; WAVE64: S_ENDPGM 0, implicit [[COPY]] |
| ; WAVE32-LABEL: name: copy_vgpr_no_type |
| ; WAVE32: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0 |
| ; WAVE32: S_ENDPGM 0, implicit [[COPY]] |
| %0:vgpr_32 = COPY $vgpr0 |
| %1:vgpr_32 = COPY %0 |
| S_ENDPGM 0, implicit %1 |
| |
| ... |
| |
| --- |
| |
| name: copy_maybe_vcc |
| legalized: true |
| regBankSelected: true |
| |
| |
| body: | |
| bb.0: |
| liveins: $sgpr0_sgpr1 |
| ; WAVE64-LABEL: name: copy_maybe_vcc |
| ; WAVE64: [[COPY:%[0-9]+]]:sreg_64_xexec = COPY $sgpr0_sgpr1 |
| ; WAVE64: S_ENDPGM 0, implicit [[COPY]] |
| ; WAVE32-LABEL: name: copy_maybe_vcc |
| ; WAVE32: [[COPY:%[0-9]+]]:sreg_64_xexec = COPY $sgpr0_sgpr1 |
| ; WAVE32: S_ENDPGM 0, implicit [[COPY]] |
| %0:sreg_64_xexec = COPY $sgpr0_sgpr1 |
| %1:sreg_64_xexec = COPY %0 |
| S_ENDPGM 0, implicit %1 |
| |
| ... |
| |
| # FIXME: This is malformed. There should never be a trunc to vcc. |
| --- |
| |
| name: copy_s1_vcc_to_vcc |
| legalized: true |
| regBankSelected: true |
| |
| |
| body: | |
| bb.0: |
| liveins: $sgpr0_sgpr1 |
| |
| ; WAVE64-LABEL: name: copy_s1_vcc_to_vcc |
| ; WAVE64: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 |
| ; WAVE64: [[COPY1:%[0-9]+]]:sreg_64_xexec = COPY [[COPY]] |
| ; WAVE64: S_ENDPGM 0, implicit [[COPY1]] |
| ; WAVE32-LABEL: name: copy_s1_vcc_to_vcc |
| ; WAVE32: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 |
| ; WAVE32: [[COPY1:%[0-9]+]]:sreg_32_xm0_xexec = COPY [[COPY]] |
| ; WAVE32: S_ENDPGM 0, implicit [[COPY1]] |
| %0:sgpr(s32) = COPY $sgpr0 |
| %1:vcc(s1) = G_TRUNC %0 |
| %2:vcc(s1) = COPY %1 |
| S_ENDPGM 0, implicit %2 |
| |
| ... |
| |
| --- |
| |
| name: copy_s64_to_vcc |
| legalized: true |
| regBankSelected: true |
| |
| |
| body: | |
| bb.0: |
| liveins: $sgpr0_sgpr1 |
| ; WAVE64-LABEL: name: copy_s64_to_vcc |
| ; WAVE64: [[COPY:%[0-9]+]]:sreg_64 = COPY $sgpr0_sgpr1 |
| ; WAVE64: $vcc = COPY [[COPY]] |
| ; WAVE64: S_ENDPGM 0, implicit $vcc |
| ; WAVE32-LABEL: name: copy_s64_to_vcc |
| ; WAVE32: [[COPY:%[0-9]+]]:sreg_64 = COPY $sgpr0_sgpr1 |
| ; WAVE32: $vcc = COPY [[COPY]] |
| ; WAVE32: S_ENDPGM 0, implicit $vcc_lo |
| %0:sgpr(s64) = COPY $sgpr0_sgpr1 |
| $vcc = COPY %0 |
| S_ENDPGM 0, implicit $vcc |
| |
| ... |
| |
| --- |
| |
| name: copy_s32_to_vcc_lo |
| legalized: true |
| regBankSelected: true |
| |
| |
| body: | |
| bb.0: |
| liveins: $sgpr0 |
| ; WAVE64-LABEL: name: copy_s32_to_vcc_lo |
| ; WAVE64: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 |
| ; WAVE64: $vcc_lo = COPY [[COPY]] |
| ; WAVE64: S_ENDPGM 0, implicit $vcc |
| ; WAVE32-LABEL: name: copy_s32_to_vcc_lo |
| ; WAVE32: [[COPY:%[0-9]+]]:sreg_32 = COPY $sgpr0 |
| ; WAVE32: $vcc_lo = COPY [[COPY]] |
| ; WAVE32: S_ENDPGM 0, implicit $vcc_lo |
| %0:sgpr(s32) = COPY $sgpr0 |
| $vcc_lo = COPY %0 |
| S_ENDPGM 0, implicit $vcc |
| |
| ... |
| |
| --- |
| |
| name: copy_vcc_to_s64 |
| legalized: true |
| regBankSelected: true |
| |
| |
| body: | |
| bb.0: |
| liveins: $vcc |
| ; WAVE64-LABEL: name: copy_vcc_to_s64 |
| ; WAVE64: [[COPY:%[0-9]+]]:sreg_64 = COPY $vcc |
| ; WAVE64: S_ENDPGM 0, implicit [[COPY]] |
| ; WAVE32-LABEL: name: copy_vcc_to_s64 |
| ; WAVE32: [[COPY:%[0-9]+]]:sreg_64 = COPY $vcc |
| ; WAVE32: S_ENDPGM 0, implicit [[COPY]] |
| %0:sgpr(s64) = COPY $vcc |
| S_ENDPGM 0, implicit %0 |
| |
| ... |
| |
| --- |
| |
| name: copy_vcc_lo_to_s32 |
| legalized: true |
| regBankSelected: true |
| |
| |
| body: | |
| bb.0: |
| liveins: $vcc |
| ; WAVE64-LABEL: name: copy_vcc_lo_to_s32 |
| ; WAVE64: [[COPY:%[0-9]+]]:sreg_32 = COPY $vcc_lo |
| ; WAVE64: S_ENDPGM 0, implicit [[COPY]] |
| ; WAVE32-LABEL: name: copy_vcc_lo_to_s32 |
| ; WAVE32: [[COPY:%[0-9]+]]:sreg_32 = COPY $vcc_lo |
| ; WAVE32: S_ENDPGM 0, implicit [[COPY]] |
| %0:sgpr(s32) = COPY $vcc_lo |
| S_ENDPGM 0, implicit %0 |
| |
| ... |
| |
| --- |
| |
| name: copy_s1_to_vcc |
| legalized: true |
| regBankSelected: true |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $sgpr0_sgpr1 |
| |
| ; WAVE64-LABEL: name: copy_s1_to_vcc |
| ; WAVE64: liveins: $sgpr0_sgpr1 |
| ; WAVE64: [[COPY:%[0-9]+]]:sreg_64 = COPY $sgpr0_sgpr1 |
| ; WAVE64: [[COPY1:%[0-9]+]]:sreg_32 = COPY [[COPY]].sub0 |
| ; WAVE64: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 1, [[COPY1]], implicit-def $scc |
| ; WAVE64: [[V_CMP_NE_U32_e64_:%[0-9]+]]:sreg_64 = V_CMP_NE_U32_e64 0, [[S_AND_B32_]], implicit $exec |
| ; WAVE64: S_ENDPGM 0, implicit [[V_CMP_NE_U32_e64_]] |
| ; WAVE32-LABEL: name: copy_s1_to_vcc |
| ; WAVE32: liveins: $sgpr0_sgpr1 |
| ; WAVE32: [[COPY:%[0-9]+]]:sreg_64 = COPY $sgpr0_sgpr1 |
| ; WAVE32: [[COPY1:%[0-9]+]]:sreg_32 = COPY [[COPY]].sub0 |
| ; WAVE32: [[S_AND_B32_:%[0-9]+]]:sreg_32 = S_AND_B32 1, [[COPY1]], implicit-def $scc |
| ; WAVE32: [[V_CMP_NE_U32_e64_:%[0-9]+]]:sreg_32 = V_CMP_NE_U32_e64 0, [[S_AND_B32_]], implicit $exec |
| ; WAVE32: S_ENDPGM 0, implicit [[V_CMP_NE_U32_e64_]] |
| %0:sgpr(s64) = COPY $sgpr0_sgpr1 |
| %1:sgpr(s1) = G_TRUNC %0(s64) |
| %2:vcc(s1) = COPY %1(s1) |
| S_ENDPGM 0, implicit %2 |
| |
| ... |
| |
| --- |
| |
| name: copy_s1_false_to_vcc |
| legalized: true |
| regBankSelected: true |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $sgpr0 |
| |
| ; WAVE64-LABEL: name: copy_s1_false_to_vcc |
| ; WAVE64: liveins: $sgpr0 |
| ; WAVE64: [[S_MOV_B64_:%[0-9]+]]:sreg_64 = S_MOV_B64 0 |
| ; WAVE64: S_ENDPGM 0, implicit [[S_MOV_B64_]] |
| ; WAVE32-LABEL: name: copy_s1_false_to_vcc |
| ; WAVE32: liveins: $sgpr0 |
| ; WAVE32: [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 0 |
| ; WAVE32: S_ENDPGM 0, implicit [[S_MOV_B32_]] |
| %0:sgpr(s1) = G_CONSTANT i1 false |
| %1:vcc(s1) = COPY %0(s1) |
| S_ENDPGM 0, implicit %1 |
| |
| ... |
| |
| --- |
| |
| name: copy_s1_true_to_vcc |
| legalized: true |
| regBankSelected: true |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $sgpr0 |
| |
| ; WAVE64-LABEL: name: copy_s1_true_to_vcc |
| ; WAVE64: liveins: $sgpr0 |
| ; WAVE64: [[S_MOV_B64_:%[0-9]+]]:sreg_64 = S_MOV_B64 -1 |
| ; WAVE64: S_ENDPGM 0, implicit [[S_MOV_B64_]] |
| ; WAVE32-LABEL: name: copy_s1_true_to_vcc |
| ; WAVE32: liveins: $sgpr0 |
| ; WAVE32: [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 -1 |
| ; WAVE32: S_ENDPGM 0, implicit [[S_MOV_B32_]] |
| %0:sgpr(s1) = G_CONSTANT i1 true |
| %1:vcc(s1) = COPY %0(s1) |
| S_ENDPGM 0, implicit %1 |
| |
| ... |