llvm/test/CodeGen/AMDGPU/zext-divergence-driven-isel.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN %s

define amdgpu_kernel void @zext_i16_to_i32_uniform(ptr addrspace(1) %out, i16 %a, i32 %b) {
; GCN-LABEL: zext_i16_to_i32_uniform:
; GCN:       ; %bb.0:
; GCN-NEXT:    s_load_dwordx4 s[0:3], s[4:5], 0x9
; GCN-NEXT:    s_mov_b32 s7, 0xf000
; GCN-NEXT:    s_mov_b32 s6, -1
; GCN-NEXT:    s_waitcnt lgkmcnt(0)
; GCN-NEXT:    s_mov_b32 s4, s0
; GCN-NEXT:    s_and_b32 s0, s2, 0xffff
; GCN-NEXT:    s_add_i32 s0, s3, s0
; GCN-NEXT:    s_mov_b32 s5, s1
; GCN-NEXT:    v_mov_b32_e32 v0, s0
; GCN-NEXT:    buffer_store_dword v0, off, s[4:7], 0
; GCN-NEXT:    s_endpgm
  %zext = zext i16 %a to i32
  %res = add i32 %b, %zext
  store i32 %res, ptr addrspace(1) %out
  ret void
}


define amdgpu_kernel void @zext_i16_to_i64_uniform(ptr addrspace(1) %out, i16 %a, i64 %b) {
; GCN-LABEL: zext_i16_to_i64_uniform:
; GCN:       ; %bb.0:
; GCN-NEXT:    s_load_dword s8, s[4:5], 0xb
; GCN-NEXT:    s_load_dwordx2 s[6:7], s[4:5], 0xd
; GCN-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x9
; GCN-NEXT:    s_mov_b32 s3, 0xf000
; GCN-NEXT:    s_mov_b32 s2, -1
; GCN-NEXT:    s_waitcnt lgkmcnt(0)
; GCN-NEXT:    s_and_b32 s4, s8, 0xffff
; GCN-NEXT:    s_add_u32 s4, s6, s4
; GCN-NEXT:    s_addc_u32 s5, s7, 0
; GCN-NEXT:    v_mov_b32_e32 v0, s4
; GCN-NEXT:    v_mov_b32_e32 v1, s5
; GCN-NEXT:    buffer_store_dwordx2 v[0:1], off, s[0:3], 0
; GCN-NEXT:    s_endpgm
  %zext = zext i16 %a to i64
  %res = add i64 %b, %zext
  store i64 %res, ptr addrspace(1) %out
  ret void
}

define amdgpu_kernel void @zext_i16_to_i32_divergent(ptr addrspace(1) %out, i16 %a, i32 %b) {
; GCN-LABEL: zext_i16_to_i32_divergent:
; GCN:       ; %bb.0:
; GCN-NEXT:    s_load_dword s6, s[4:5], 0xb
; GCN-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x9
; GCN-NEXT:    s_mov_b32 s3, 0xf000
; GCN-NEXT:    s_mov_b32 s2, -1
; GCN-NEXT:    s_waitcnt lgkmcnt(0)
; GCN-NEXT:    v_add_i32_e32 v0, vcc, s6, v0
; GCN-NEXT:    v_and_b32_e32 v0, 0xffff, v0
; GCN-NEXT:    buffer_store_dword v0, off, s[0:3], 0
; GCN-NEXT:    s_endpgm
  %tid = call i32 @llvm.amdgcn.workitem.id.x()
  %tid.truncated = trunc i32 %tid to i16
  %divergent.a = add i16 %a, %tid.truncated
  %zext = zext i16 %divergent.a to i32
  store i32 %zext, ptr addrspace(1) %out
  ret void
}


define amdgpu_kernel void @zext_i16_to_i64_divergent(ptr addrspace(1) %out, i16 %a, i64 %b) {
; GCN-LABEL: zext_i16_to_i64_divergent:
; GCN:       ; %bb.0:
; GCN-NEXT:    s_load_dword s6, s[4:5], 0xb
; GCN-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x9
; GCN-NEXT:    s_mov_b32 s3, 0xf000
; GCN-NEXT:    s_mov_b32 s2, -1
; GCN-NEXT:    v_mov_b32_e32 v1, 0
; GCN-NEXT:    s_waitcnt lgkmcnt(0)
; GCN-NEXT:    v_add_i32_e32 v0, vcc, s6, v0
; GCN-NEXT:    v_and_b32_e32 v0, 0xffff, v0
; GCN-NEXT:    buffer_store_dwordx2 v[0:1], off, s[0:3], 0
; GCN-NEXT:    s_endpgm
  %tid = call i32 @llvm.amdgcn.workitem.id.x()
  %tid.truncated = trunc i32 %tid to i16
  %divergent.a = add i16 %a, %tid.truncated
  %zext = zext i16 %divergent.a to i64
  store i64 %zext, ptr addrspace(1) %out
  ret void
}

declare i32 @llvm.amdgcn.workitem.id.x() #1

attributes #0 = { nounwind }
attributes #1 = { nounwind readnone speculatable }