Files
clang-p2996/llvm/test/CodeGen/AMDGPU/uitofp.f16.ll
Matt Arsenault 8728c5f2db AMDGPU: Cleanup subtarget features
Try to avoid mutually exclusive features. Don't use
a real default GPU, and use a fake "generic". The goal
is to make it easier to see which set of features are
incompatible between feature strings.

Most of the test changes are due to random scheduling changes
from not having a default fullspeed model.

llvm-svn: 310258
2017-08-07 14:58:04 +00:00

96 lines
2.8 KiB
LLVM

; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -mcpu=tahiti -verify-machineinstrs -enable-unsafe-fp-math < %s | FileCheck -check-prefix=GCN -check-prefix=SI %s
; RUN: llc -amdgpu-scalarize-global-loads=false -march=amdgcn -mcpu=fiji -mattr=-flat-for-global -verify-machineinstrs -enable-unsafe-fp-math < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s
; GCN-LABEL: {{^}}uitofp_i16_to_f16
; GCN: buffer_load_ushort v[[A_I16:[0-9]+]]
; SI: v_cvt_f32_u32_e32 v[[A_F32:[0-9]+]], v[[A_I16]]
; VI: v_cvt_f32_i32_e32 v[[A_F32:[0-9]+]], v[[A_I16]]
; GCN: v_cvt_f16_f32_e32 v[[R_F16:[0-9]+]], v[[A_F32]]
; GCN: buffer_store_short v[[R_F16]]
; GCN: s_endpgm
define amdgpu_kernel void @uitofp_i16_to_f16(
half addrspace(1)* %r,
i16 addrspace(1)* %a) {
entry:
%a.val = load i16, i16 addrspace(1)* %a
%r.val = uitofp i16 %a.val to half
store half %r.val, half addrspace(1)* %r
ret void
}
; GCN-LABEL: {{^}}uitofp_i32_to_f16
; GCN: buffer_load_dword v[[A_I32:[0-9]+]]
; GCN: v_cvt_f32_u32_e32 v[[A_I16:[0-9]+]], v[[A_I32]]
; GCN: v_cvt_f16_f32_e32 v[[R_F16:[0-9]+]], v[[A_I16]]
; GCN: buffer_store_short v[[R_F16]]
; GCN: s_endpgm
define amdgpu_kernel void @uitofp_i32_to_f16(
half addrspace(1)* %r,
i32 addrspace(1)* %a) {
entry:
%a.val = load i32, i32 addrspace(1)* %a
%r.val = uitofp i32 %a.val to half
store half %r.val, half addrspace(1)* %r
ret void
}
; f16 = uitofp i64 is in uint_to_fp.i64.ll
; GCN-LABEL: {{^}}uitofp_v2i16_to_v2f16
; GCN: buffer_load_dword
; SI: v_cvt_f32_u32_e32
; SI: v_cvt_f32_u32_e32
; SI: v_cvt_f16_f32_e32
; SI: v_cvt_f16_f32_e32
; SI-DAG: v_lshlrev_b32_e32
; SI: v_or_b32_e32
; VI-DAG: v_cvt_f16_f32_e32
; VI-DAG: v_cvt_f32_i32_sdwa
; VI-DAG: v_cvt_f32_i32_sdwa
; VI-DAG: v_cvt_f16_f32_sdwa
; VI: v_or_b32_e32
; GCN: buffer_store_dword
; GCN: s_endpgm
define amdgpu_kernel void @uitofp_v2i16_to_v2f16(
<2 x half> addrspace(1)* %r,
<2 x i16> addrspace(1)* %a) {
entry:
%a.val = load <2 x i16>, <2 x i16> addrspace(1)* %a
%r.val = uitofp <2 x i16> %a.val to <2 x half>
store <2 x half> %r.val, <2 x half> addrspace(1)* %r
ret void
}
; GCN-LABEL: {{^}}uitofp_v2i32_to_v2f16
; GCN: buffer_load_dwordx2
; SI: v_cvt_f32_u32_e32
; SI: v_cvt_f32_u32_e32
; SI: v_cvt_f16_f32_e32
; SI: v_cvt_f16_f32_e32
; SI-DAG: v_lshlrev_b32_e32
; SI: v_or_b32_e32
; VI-DAG: v_cvt_f32_u32_e32
; VI-DAG: v_cvt_f32_u32_e32
; VI-DAG: v_cvt_f16_f32_e32
; VI-DAG: v_cvt_f16_f32_sdwa
; VI: v_or_b32_e32
; GCN: buffer_store_dword
; GCN: s_endpgm
define amdgpu_kernel void @uitofp_v2i32_to_v2f16(
<2 x half> addrspace(1)* %r,
<2 x i32> addrspace(1)* %a) {
entry:
%a.val = load <2 x i32>, <2 x i32> addrspace(1)* %a
%r.val = uitofp <2 x i32> %a.val to <2 x half>
store <2 x half> %r.val, <2 x half> addrspace(1)* %r
ret void
}
; f16 = uitofp i64 is in uint_to_fp.i64.ll