llvm/test/CodeGen/AMDGPU/bf16-math.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
; RUN: llc -mtriple=amdgcn -mcpu=gfx1250 < %s | FileCheck --check-prefix=GCN %s

; TODO: Add global-isel when it can support bf16

define amdgpu_ps void @llvm_log2_bf16_v(ptr addrspace(1) %out, bfloat %src) {
; GCN-LABEL: llvm_log2_bf16_v:
; GCN:       ; %bb.0:
; GCN-NEXT:    v_log_bf16_e32 v2, v2
; GCN-NEXT:    global_store_b16 v[0:1], v2, off
; GCN-NEXT:    s_endpgm
  %log = call bfloat @llvm.log2.bf16(bfloat %src)
  store bfloat %log, ptr addrspace(1) %out, align 2
  ret void
}

define amdgpu_ps void @llvm_log2_bf16_s(ptr addrspace(1) %out, bfloat inreg %src) {
; GCN-LABEL: llvm_log2_bf16_s:
; GCN:       ; %bb.0:
; GCN-NEXT:    v_log_bf16_e32 v2, s0
; GCN-NEXT:    global_store_b16 v[0:1], v2, off
; GCN-NEXT:    s_endpgm
  %log = call bfloat @llvm.log2.bf16(bfloat %src)
  store bfloat %log, ptr addrspace(1) %out, align 2
  ret void
}

declare bfloat @llvm.log2.bf16(bfloat)