# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # RUN: llc -mtriple=amdgcn-amd-amdhsa -verify-machineinstrs -run-pass si-fold-operands,dead-mi-elimination %s -o - | FileCheck -check-prefix=GCN %s --- # Uses a carry out in an instruction that can't be shrunk. name: shrink_scalar_imm_vgpr_v_add_i32_e64_other_carry_out_use tracksRegLiveness: true body: | bb.0: ; GCN-LABEL: name: shrink_scalar_imm_vgpr_v_add_i32_e64_other_carry_out_use ; GCN: [[S_MOV_B32_:%[0-9]+]]:sreg_32_xm0 = S_MOV_B32 12345 ; GCN-NEXT: [[DEF:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF ; GCN-NEXT: [[V_ADD_CO_U32_e32_:%[0-9]+]]:vgpr_32 = V_ADD_CO_U32_e32 [[S_MOV_B32_]], [[DEF]], implicit-def $vcc, implicit $exec ; GCN-NEXT: [[COPY:%[0-9]+]]:sreg_64_xexec = COPY killed $vcc ; GCN-NEXT: S_ENDPGM 0, implicit [[COPY]] %0:sreg_32_xm0 = S_MOV_B32 12345 %1:vgpr_32 = IMPLICIT_DEF %2:vgpr_32 = IMPLICIT_DEF %3:vgpr_32 = IMPLICIT_DEF %4:vgpr_32, %5:sreg_64_xexec = V_ADD_CO_U32_e64 %0, %1, 0, implicit $exec S_ENDPGM 0, implicit %5 ... --- name: shrink_scalar_imm_multi_use_with_used_carry tracksRegLiveness: true body: | bb.0: ; GCN-LABEL: name: shrink_scalar_imm_multi_use_with_used_carry ; GCN: [[S_MOV_B32_:%[0-9]+]]:sreg_32_xm0 = S_MOV_B32 12345 ; GCN-NEXT: [[DEF:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF ; GCN-NEXT: [[DEF1:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF ; GCN-NEXT: [[V_ADD_CO_U32_e32_:%[0-9]+]]:vgpr_32 = V_ADD_CO_U32_e32 [[S_MOV_B32_]], [[DEF]], implicit-def $vcc, implicit $exec ; GCN-NEXT: [[COPY:%[0-9]+]]:sreg_64_xexec = COPY killed $vcc ; GCN-NEXT: [[V_ADD_CO_U32_e32_1:%[0-9]+]]:vgpr_32 = V_ADD_CO_U32_e32 [[S_MOV_B32_]], [[DEF1]], implicit-def $vcc, implicit $exec ; GCN-NEXT: S_ENDPGM 0, implicit [[COPY]], implicit [[V_ADD_CO_U32_e32_1]] %0:sreg_32_xm0 = S_MOV_B32 12345 %1:vgpr_32 = IMPLICIT_DEF %2:vgpr_32 = IMPLICIT_DEF %3:vgpr_32 = IMPLICIT_DEF %4:vgpr_32 = IMPLICIT_DEF %5:vgpr_32, %6:sreg_64_xexec = V_ADD_CO_U32_e64 %0, %1, 0, implicit $exec %7:vgpr_32, %8:sreg_64_xexec = V_ADD_CO_U32_e64 %0, %2, 0, implicit $exec S_ENDPGM 0, implicit %6, implicit %7 ... --- # TODO: Is it OK to leave the broken use around on the DBG_VALUE? name: shrink_scalar_imm_vgpr_v_add_i32_e64_dbg_only_carry_out_use tracksRegLiveness: true body: | bb.0: ; GCN-LABEL: name: shrink_scalar_imm_vgpr_v_add_i32_e64_dbg_only_carry_out_use ; GCN: [[S_MOV_B32_:%[0-9]+]]:sreg_32_xm0 = S_MOV_B32 12345 ; GCN-NEXT: [[DEF:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF ; GCN-NEXT: [[V_ADD_CO_U32_e32_:%[0-9]+]]:vgpr_32 = V_ADD_CO_U32_e32 [[S_MOV_B32_]], [[DEF]], implicit-def $vcc, implicit $exec ; GCN-NEXT: DBG_VALUE %5:sreg_64_xexec, $noreg ; GCN-NEXT: S_ENDPGM 0, implicit [[V_ADD_CO_U32_e32_]] %0:sreg_32_xm0 = S_MOV_B32 12345 %1:vgpr_32 = IMPLICIT_DEF %2:vgpr_32 = IMPLICIT_DEF %3:vgpr_32 = IMPLICIT_DEF %4:vgpr_32, %5:sreg_64_xexec = V_ADD_CO_U32_e64 %0, %1, 0, implicit $exec DBG_VALUE %5, $noreg S_ENDPGM 0, implicit %4 ... --- # Uses carry out in a normal pattern name: shrink_scalar_imm_vgpr_v_add_i32_e64_carry_out_use tracksRegLiveness: true body: | bb.0: ; GCN-LABEL: name: shrink_scalar_imm_vgpr_v_add_i32_e64_carry_out_use ; GCN: [[S_MOV_B32_:%[0-9]+]]:sreg_32_xm0 = S_MOV_B32 12345 ; GCN-NEXT: [[DEF:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF ; GCN-NEXT: [[DEF1:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF ; GCN-NEXT: [[DEF2:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF ; GCN-NEXT: [[V_ADD_CO_U32_e32_:%[0-9]+]]:vgpr_32 = V_ADD_CO_U32_e32 [[S_MOV_B32_]], [[DEF]], implicit-def $vcc, implicit $exec ; GCN-NEXT: [[COPY:%[0-9]+]]:sreg_64_xexec = COPY killed $vcc ; GCN-NEXT: [[V_ADDC_U32_e64_:%[0-9]+]]:vgpr_32, [[V_ADDC_U32_e64_1:%[0-9]+]]:sreg_64_xexec = V_ADDC_U32_e64 [[DEF1]], [[DEF2]], [[COPY]], 0, implicit $exec ; GCN-NEXT: S_ENDPGM 0, implicit [[V_ADDC_U32_e64_]] %0:sreg_32_xm0 = S_MOV_B32 12345 %1:vgpr_32 = IMPLICIT_DEF %2:vgpr_32 = IMPLICIT_DEF %3:vgpr_32 = IMPLICIT_DEF %4:vgpr_32, %5:sreg_64_xexec = V_ADD_CO_U32_e64 %0, %1, 0, implicit $exec %6:vgpr_32, %7:sreg_64_xexec = V_ADDC_U32_e64 %2, %3, %5, 0, implicit $exec S_ENDPGM 0, implicit %6 ...