llvm/test/CodeGen/AMDGPU/fcopysign.gfx11plus.ll

; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
; RUN: llc < %s -mtriple=amdgcn -mcpu=gfx1100 -mattr=+real-true16 -stop-after=amdgpu-isel | FileCheck %s --check-prefixes=GFX11-REAL16
; RUN: llc < %s -mtriple=amdgcn -mcpu=gfx1100 -mattr=-real-true16 -stop-after=amdgpu-isel | FileCheck %s --check-prefixes=GFX11-FAKE16

; Make sure no "vgpr32 = copy vgpr16" is generated in true16 mode

define amdgpu_kernel void @f_copy_sign (ptr addrspace(1) %a, ptr addrspace(1) %b, ptr addrspace(1) %out) {
  ; GFX11-REAL16-LABEL: name: f_copy_sign
  ; GFX11-REAL16: bb.0.entry:
  ; GFX11-REAL16-NEXT:   liveins: $vgpr0, $sgpr4_sgpr5
  ; GFX11-REAL16-NEXT: {{  $}}
  ; GFX11-REAL16-NEXT:   [[COPY:%[0-9]+]]:sgpr_64(p4) = COPY $sgpr4_sgpr5
  ; GFX11-REAL16-NEXT:   [[COPY1:%[0-9]+]]:vgpr_32(s32) = COPY $vgpr0
  ; GFX11-REAL16-NEXT:   [[S_LOAD_DWORDX4_IMM:%[0-9]+]]:sgpr_128 = S_LOAD_DWORDX4_IMM [[COPY]](p4), 36, 0 :: (dereferenceable invariant load (s128) from %ir.a.kernarg.offset, align 4, addrspace 4)
  ; GFX11-REAL16-NEXT:   [[S_LOAD_DWORDX2_IMM:%[0-9]+]]:sreg_64_xexec = S_LOAD_DWORDX2_IMM [[COPY]](p4), 52, 0 :: (dereferenceable invariant load (s64) from %ir.a.kernarg.offset + 16, align 4, addrspace 4)
  ; GFX11-REAL16-NEXT:   [[COPY2:%[0-9]+]]:sreg_32 = COPY [[S_LOAD_DWORDX2_IMM]].sub1
  ; GFX11-REAL16-NEXT:   [[COPY3:%[0-9]+]]:sreg_32 = COPY [[S_LOAD_DWORDX2_IMM]].sub0
  ; GFX11-REAL16-NEXT:   [[COPY4:%[0-9]+]]:sreg_32 = COPY [[S_LOAD_DWORDX4_IMM]].sub3
  ; GFX11-REAL16-NEXT:   [[COPY5:%[0-9]+]]:sreg_32 = COPY [[S_LOAD_DWORDX4_IMM]].sub2
  ; GFX11-REAL16-NEXT:   [[COPY6:%[0-9]+]]:sreg_32 = COPY [[S_LOAD_DWORDX4_IMM]].sub1
  ; GFX11-REAL16-NEXT:   [[COPY7:%[0-9]+]]:sreg_32 = COPY [[S_LOAD_DWORDX4_IMM]].sub0
  ; GFX11-REAL16-NEXT:   [[REG_SEQUENCE:%[0-9]+]]:sreg_64_xexec_xnull = REG_SEQUENCE killed [[COPY7]], %subreg.sub0, killed [[COPY6]], %subreg.sub1
  ; GFX11-REAL16-NEXT:   [[REG_SEQUENCE1:%[0-9]+]]:sreg_64_xexec_xnull = REG_SEQUENCE killed [[COPY5]], %subreg.sub0, killed [[COPY4]], %subreg.sub1
  ; GFX11-REAL16-NEXT:   [[REG_SEQUENCE2:%[0-9]+]]:sreg_64_xexec_xnull = REG_SEQUENCE killed [[COPY3]], %subreg.sub0, killed [[COPY2]], %subreg.sub1
  ; GFX11-REAL16-NEXT:   [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
  ; GFX11-REAL16-NEXT:   [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 1023
  ; GFX11-REAL16-NEXT:   [[V_AND_B32_e64_:%[0-9]+]]:vgpr_32 = V_AND_B32_e64 [[COPY1]](s32), killed [[S_MOV_B32_]], implicit $exec
  ; GFX11-REAL16-NEXT:   [[S_MOV_B32_1:%[0-9]+]]:sreg_32 = S_MOV_B32 2
  ; GFX11-REAL16-NEXT:   [[V_LSHLREV_B32_e64_:%[0-9]+]]:vgpr_32 = nuw nsw V_LSHLREV_B32_e64 killed [[S_MOV_B32_1]], killed [[V_AND_B32_e64_]], implicit $exec
  ; GFX11-REAL16-NEXT:   [[GLOBAL_LOAD_SHORT_D16_SADDR_t16_:%[0-9]+]]:vgpr_16 = GLOBAL_LOAD_SHORT_D16_SADDR_t16 killed [[REG_SEQUENCE]], [[V_LSHLREV_B32_e64_]], 0, 0, implicit $exec :: (load (s16) from %ir.in.gep1, addrspace 1)
  ; GFX11-REAL16-NEXT:   [[GLOBAL_LOAD_SHORT_D16_SADDR_t16_1:%[0-9]+]]:vgpr_16 = GLOBAL_LOAD_SHORT_D16_SADDR_t16 killed [[REG_SEQUENCE1]], [[V_LSHLREV_B32_e64_]], 0, 0, implicit $exec :: (load (s16) from %ir.in.gep2, addrspace 1)
  ; GFX11-REAL16-NEXT:   [[DEF:%[0-9]+]]:sreg_32 = IMPLICIT_DEF
  ; GFX11-REAL16-NEXT:   [[DEF1:%[0-9]+]]:sreg_32 = IMPLICIT_DEF
  ; GFX11-REAL16-NEXT:   [[REG_SEQUENCE3:%[0-9]+]]:vgpr_32 = REG_SEQUENCE killed [[GLOBAL_LOAD_SHORT_D16_SADDR_t16_1]], %subreg.lo16, [[DEF]], %subreg.hi16
  ; GFX11-REAL16-NEXT:   [[DEF2:%[0-9]+]]:sreg_32 = IMPLICIT_DEF
  ; GFX11-REAL16-NEXT:   [[DEF3:%[0-9]+]]:sreg_32 = IMPLICIT_DEF
  ; GFX11-REAL16-NEXT:   [[REG_SEQUENCE4:%[0-9]+]]:vgpr_32 = REG_SEQUENCE killed [[GLOBAL_LOAD_SHORT_D16_SADDR_t16_]], %subreg.lo16, [[DEF2]], %subreg.hi16
  ; GFX11-REAL16-NEXT:   [[S_MOV_B32_2:%[0-9]+]]:sreg_32 = S_MOV_B32 32767
  ; GFX11-REAL16-NEXT:   [[V_BFI_B32_e64_:%[0-9]+]]:vgpr_32 = V_BFI_B32_e64 killed [[S_MOV_B32_2]], killed [[REG_SEQUENCE4]], killed [[REG_SEQUENCE3]], implicit $exec
  ; GFX11-REAL16-NEXT:   [[COPY8:%[0-9]+]]:vgpr_16 = COPY [[V_BFI_B32_e64_]].lo16
  ; GFX11-REAL16-NEXT:   GLOBAL_STORE_SHORT_SADDR_t16 killed [[V_MOV_B32_e32_]], killed [[COPY8]], killed [[REG_SEQUENCE2]], 0, 0, implicit $exec :: (store (s16) into %ir.3, addrspace 1)
  ; GFX11-REAL16-NEXT:   S_ENDPGM 0
  ;
  ; GFX11-FAKE16-LABEL: name: f_copy_sign
  ; GFX11-FAKE16: bb.0.entry:
  ; GFX11-FAKE16-NEXT:   liveins: $vgpr0, $sgpr4_sgpr5
  ; GFX11-FAKE16-NEXT: {{  $}}
  ; GFX11-FAKE16-NEXT:   [[COPY:%[0-9]+]]:sgpr_64(p4) = COPY $sgpr4_sgpr5
  ; GFX11-FAKE16-NEXT:   [[COPY1:%[0-9]+]]:vgpr_32(s32) = COPY $vgpr0
  ; GFX11-FAKE16-NEXT:   [[S_LOAD_DWORDX4_IMM:%[0-9]+]]:sgpr_128 = S_LOAD_DWORDX4_IMM [[COPY]](p4), 36, 0 :: (dereferenceable invariant load (s128) from %ir.a.kernarg.offset, align 4, addrspace 4)
  ; GFX11-FAKE16-NEXT:   [[S_LOAD_DWORDX2_IMM:%[0-9]+]]:sreg_64_xexec = S_LOAD_DWORDX2_IMM [[COPY]](p4), 52, 0 :: (dereferenceable invariant load (s64) from %ir.a.kernarg.offset + 16, align 4, addrspace 4)
  ; GFX11-FAKE16-NEXT:   [[COPY2:%[0-9]+]]:sreg_32 = COPY [[S_LOAD_DWORDX2_IMM]].sub1
  ; GFX11-FAKE16-NEXT:   [[COPY3:%[0-9]+]]:sreg_32 = COPY [[S_LOAD_DWORDX2_IMM]].sub0
  ; GFX11-FAKE16-NEXT:   [[COPY4:%[0-9]+]]:sreg_32 = COPY [[S_LOAD_DWORDX4_IMM]].sub3
  ; GFX11-FAKE16-NEXT:   [[COPY5:%[0-9]+]]:sreg_32 = COPY [[S_LOAD_DWORDX4_IMM]].sub2
  ; GFX11-FAKE16-NEXT:   [[COPY6:%[0-9]+]]:sreg_32 = COPY [[S_LOAD_DWORDX4_IMM]].sub1
  ; GFX11-FAKE16-NEXT:   [[COPY7:%[0-9]+]]:sreg_32 = COPY [[S_LOAD_DWORDX4_IMM]].sub0
  ; GFX11-FAKE16-NEXT:   [[REG_SEQUENCE:%[0-9]+]]:sreg_64_xexec_xnull = REG_SEQUENCE killed [[COPY7]], %subreg.sub0, killed [[COPY6]], %subreg.sub1
  ; GFX11-FAKE16-NEXT:   [[REG_SEQUENCE1:%[0-9]+]]:sreg_64_xexec_xnull = REG_SEQUENCE killed [[COPY5]], %subreg.sub0, killed [[COPY4]], %subreg.sub1
  ; GFX11-FAKE16-NEXT:   [[REG_SEQUENCE2:%[0-9]+]]:sreg_64_xexec_xnull = REG_SEQUENCE killed [[COPY3]], %subreg.sub0, killed [[COPY2]], %subreg.sub1
  ; GFX11-FAKE16-NEXT:   [[V_MOV_B32_e32_:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 0, implicit $exec
  ; GFX11-FAKE16-NEXT:   [[S_MOV_B32_:%[0-9]+]]:sreg_32 = S_MOV_B32 1023
  ; GFX11-FAKE16-NEXT:   [[V_AND_B32_e64_:%[0-9]+]]:vgpr_32 = V_AND_B32_e64 [[COPY1]](s32), killed [[S_MOV_B32_]], implicit $exec
  ; GFX11-FAKE16-NEXT:   [[S_MOV_B32_1:%[0-9]+]]:sreg_32 = S_MOV_B32 2
  ; GFX11-FAKE16-NEXT:   [[V_LSHLREV_B32_e64_:%[0-9]+]]:vgpr_32 = nuw nsw V_LSHLREV_B32_e64 killed [[S_MOV_B32_1]], killed [[V_AND_B32_e64_]], implicit $exec
  ; GFX11-FAKE16-NEXT:   [[GLOBAL_LOAD_USHORT_SADDR:%[0-9]+]]:vgpr_32 = GLOBAL_LOAD_USHORT_SADDR killed [[REG_SEQUENCE]], [[V_LSHLREV_B32_e64_]], 0, 0, implicit $exec :: (load (s16) from %ir.in.gep1, addrspace 1)
  ; GFX11-FAKE16-NEXT:   [[GLOBAL_LOAD_USHORT_SADDR1:%[0-9]+]]:vgpr_32 = GLOBAL_LOAD_USHORT_SADDR killed [[REG_SEQUENCE1]], [[V_LSHLREV_B32_e64_]], 0, 0, implicit $exec :: (load (s16) from %ir.in.gep2, addrspace 1)
  ; GFX11-FAKE16-NEXT:   [[S_MOV_B32_2:%[0-9]+]]:sreg_32 = S_MOV_B32 32767
  ; GFX11-FAKE16-NEXT:   [[V_BFI_B32_e64_:%[0-9]+]]:vgpr_32 = V_BFI_B32_e64 killed [[S_MOV_B32_2]], killed [[GLOBAL_LOAD_USHORT_SADDR]], killed [[GLOBAL_LOAD_USHORT_SADDR1]], implicit $exec
  ; GFX11-FAKE16-NEXT:   GLOBAL_STORE_SHORT_SADDR killed [[V_MOV_B32_e32_]], killed [[V_BFI_B32_e64_]], killed [[REG_SEQUENCE2]], 0, 0, implicit $exec :: (store (s16) into %ir.3, addrspace 1)
  ; GFX11-FAKE16-NEXT:   S_ENDPGM 0
entry:
  %tid = call i32 @llvm.amdgcn.workitem.id.x()
  %in.gep1 = getelementptr i32, ptr addrspace(1) %a, i32 %tid
  %in.gep2 = getelementptr i32, ptr addrspace(1) %b, i32 %tid
  %mag = load half, ptr addrspace(1) %in.gep1
  %sign = load half, ptr addrspace(1) %in.gep2
  %f16 = call half @llvm.copysign.f16(half %mag, half %sign)
  store half %f16, ptr addrspace(1) %out
  ret void
}