llvm/test/CodeGen/AMDGPU/fold-short-64-bit-literals.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 3
# RUN: llc -mtriple=amdgcn -mcpu=gfx1010 -verify-machineinstrs -run-pass=si-fold-operands -o - %s | FileCheck --check-prefix=GCN %s

---
name:            no_fold_fp_64bit_literal_sgpr
tracksRegLiveness: true
body:             |
  bb.0:

    ; GCN-LABEL: name: no_fold_fp_64bit_literal_sgpr
    ; GCN: [[DEF:%[0-9]+]]:vreg_64 = IMPLICIT_DEF
    ; GCN-NEXT: [[S_MOV_B:%[0-9]+]]:sreg_64 = S_MOV_B64_IMM_PSEUDO 1311768467750121200
    ; GCN-NEXT: [[V_ADD_F64_e64_:%[0-9]+]]:vreg_64 = V_ADD_F64_e64 0, [[S_MOV_B]], 0, [[DEF]], 0, 0, implicit $mode, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[V_ADD_F64_e64_]]
    %0:vreg_64 = IMPLICIT_DEF
    %1:sreg_64 = S_MOV_B64_IMM_PSEUDO 1311768467750121200
    %2:vreg_64 = V_ADD_F64_e64 0, %1, 0, %0, 0, 0, implicit $mode, implicit $exec
    SI_RETURN_TO_EPILOG %2
...

---
name:            no_fold_fp_64bit_literal_vgpr
tracksRegLiveness: true
body:             |
  bb.0:

    ; GCN-LABEL: name: no_fold_fp_64bit_literal_vgpr
    ; GCN: [[DEF:%[0-9]+]]:vreg_64 = IMPLICIT_DEF
    ; GCN-NEXT: [[V_MOV_B:%[0-9]+]]:vreg_64 = V_MOV_B64_PSEUDO 1311768467750121200, implicit $exec
    ; GCN-NEXT: [[V_ADD_F64_e64_:%[0-9]+]]:vreg_64 = V_ADD_F64_e64 0, [[V_MOV_B]], 0, [[DEF]], 0, 0, implicit $mode, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[V_ADD_F64_e64_]]
    %0:vreg_64 = IMPLICIT_DEF
    %1:vreg_64 = V_MOV_B64_PSEUDO 1311768467750121200, implicit $exec
    %2:vreg_64 = V_ADD_F64_e64 0, %1, 0, %0, 0, 0, implicit $mode, implicit $exec
    SI_RETURN_TO_EPILOG %2
...

---
name:            fold_fp_32bit_literal_sgpr
tracksRegLiveness: true
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_fp_32bit_literal_sgpr
    ; GCN: [[DEF:%[0-9]+]]:vreg_64 = IMPLICIT_DEF
    ; GCN-NEXT: [[V_ADD_F64_e64_:%[0-9]+]]:vreg_64 = V_ADD_F64_e64 0, 4636737291354636288, 0, [[DEF]], 0, 0, implicit $mode, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[V_ADD_F64_e64_]]
    %0:vreg_64 = IMPLICIT_DEF
    %1:sreg_64 = S_MOV_B64_IMM_PSEUDO 4636737291354636288
    %2:vreg_64 = V_ADD_F64_e64 0, %1, 0, %0, 0, 0, implicit $mode, implicit $exec
    SI_RETURN_TO_EPILOG %2
...

---
name:            no_fold_int_64bit_literal_sgpr
tracksRegLiveness: true
body:             |
  bb.0:

    ; GCN-LABEL: name: no_fold_int_64bit_literal_sgpr
    ; GCN: [[DEF:%[0-9]+]]:sreg_64 = IMPLICIT_DEF
    ; GCN-NEXT: [[S_MOV_B:%[0-9]+]]:sreg_64 = S_MOV_B64_IMM_PSEUDO 1311768467750121200
    ; GCN-NEXT: [[S_AND_B64_:%[0-9]+]]:sreg_64 = S_AND_B64 [[DEF]], [[S_MOV_B]], implicit-def $scc
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[S_AND_B64_]]
    %0:sreg_64 = IMPLICIT_DEF
    %1:sreg_64 = S_MOV_B64_IMM_PSEUDO 1311768467750121200
    %2:sreg_64 = S_AND_B64 %0, %1, implicit-def $scc
    SI_RETURN_TO_EPILOG %2
...

---
name:            fold_int_32bit_literal_sgpr
tracksRegLiveness: true
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_int_32bit_literal_sgpr
    ; GCN: [[DEF:%[0-9]+]]:sreg_64 = IMPLICIT_DEF
    ; GCN-NEXT: [[S_AND_B64_:%[0-9]+]]:sreg_64 = S_AND_B64 [[DEF]], 2147483647, implicit-def $scc
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[S_AND_B64_]]
    %0:sreg_64 = IMPLICIT_DEF
    %1:sreg_64 = S_MOV_B64 2147483647
    %2:sreg_64 = S_AND_B64 %0, %1, implicit-def $scc
    SI_RETURN_TO_EPILOG %2
...

# FIXME: This could be folded, but we do not know if operand of S_AND_B64 is signed or unsigned
#        and if it will be sign or zero extended.

---
name:            fold_uint_32bit_literal_sgpr
tracksRegLiveness: true
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_uint_32bit_literal_sgpr
    ; GCN: [[DEF:%[0-9]+]]:sreg_64 = IMPLICIT_DEF
    ; GCN-NEXT: [[S_MOV_B64_:%[0-9]+]]:sreg_64 = S_MOV_B64 4294967295
    ; GCN-NEXT: [[S_AND_B64_:%[0-9]+]]:sreg_64 = S_AND_B64 [[DEF]], [[S_MOV_B64_]], implicit-def $scc
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[S_AND_B64_]]
    %0:sreg_64 = IMPLICIT_DEF
    %1:sreg_64 = S_MOV_B64 4294967295
    %2:sreg_64 = S_AND_B64 %0, %1, implicit-def $scc
    SI_RETURN_TO_EPILOG %2
...

---
name:            no_fold_v2fp_64bit_literal_sgpr
tracksRegLiveness: true
body:             |
  bb.0:

    ; GCN-LABEL: name: no_fold_v2fp_64bit_literal_sgpr
    ; GCN: [[DEF:%[0-9]+]]:vreg_64 = IMPLICIT_DEF
    ; GCN-NEXT: [[V_MOV_B:%[0-9]+]]:vreg_64 = V_MOV_B64_PSEUDO 4629700418019000320, implicit $exec
    ; GCN-NEXT: [[V_PK_ADD_F32_:%[0-9]+]]:vreg_64 = V_PK_ADD_F32 0, [[DEF]], 0, [[V_MOV_B]], 0, 0, 0, 0, 0, implicit $mode, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[V_PK_ADD_F32_]]
    %0:vreg_64 = IMPLICIT_DEF
    %1:vreg_64 = V_MOV_B64_PSEUDO 4629700418019000320, implicit $exec
    %2:vreg_64 = V_PK_ADD_F32 0, %0, 0, %1, 0, 0, 0, 0, 0, implicit $mode, implicit $exec
    SI_RETURN_TO_EPILOG %2
...

---
name:            fold_v2fp_32bit_literal_sgpr
tracksRegLiveness: true
body:             |
  bb.0:

    ; GCN-LABEL: name: fold_v2fp_32bit_literal_sgpr
    ; GCN: [[DEF:%[0-9]+]]:vreg_64 = IMPLICIT_DEF
    ; GCN-NEXT: [[V_PK_ADD_F32_:%[0-9]+]]:vreg_64 = V_PK_ADD_F32 0, [[DEF]], 0, 1065353216, 0, 0, 0, 0, 0, implicit $mode, implicit $exec
    ; GCN-NEXT: SI_RETURN_TO_EPILOG [[V_PK_ADD_F32_]]
    %0:vreg_64 = IMPLICIT_DEF
    %1:vreg_64 = V_MOV_B64_PSEUDO 1065353216, implicit $exec
    %2:vreg_64 = V_PK_ADD_F32 0, %0, 0, %1, 0, 0, 0, 0, 0, implicit $mode, implicit $exec
    SI_RETURN_TO_EPILOG %2
...