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comparison llvm/test/CodeGen/AMDGPU/mad.u16.ll @ 150:1d019706d866

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LLVM10
author anatofuz
date Thu, 13 Feb 2020 15:10:13 +0900
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children 2e18cbf3894f
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147:c2174574ed3a 150:1d019706d866
1 ; RUN: llc -march=amdgcn -mcpu=gfx803 -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=GFX8 %s
2 ; RUN: llc -march=amdgcn -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=GFX9 %s
3 ; RUN: llc -march=amdgcn -mcpu=gfx1010 -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=GFX10 %s
4
5 ; FIXME: GFX9 should be producing v_mad_u16 instead of v_mad_legacy_u16.
6
7 ; GCN-LABEL: {{^}}mad_u16
8 ; GCN: {{flat|global}}_load_ushort v[[A:[0-9]+]]
9 ; GCN: {{flat|global}}_load_ushort v[[B:[0-9]+]]
10 ; GCN: {{flat|global}}_load_ushort v[[C:[0-9]+]]
11 ; GFX8: v_mad_u16 v[[R:[0-9]+]], v[[A]], v[[B]], v[[C]]
12 ; GFX9: v_mad_legacy_u16 v[[R:[0-9]+]], v[[A]], v[[B]], v[[C]]
13 ; GFX10: v_mad_u16 v[[R:[0-9]+]], v[[A]], v[[B]], v[[C]]
14 ; GCN: {{flat|global}}_store_short v{{\[[0-9]+:[0-9]+\]}}, v[[R]]
15 ; GCN: s_endpgm
16 define amdgpu_kernel void @mad_u16(
17 i16 addrspace(1)* %r,
18 i16 addrspace(1)* %a,
19 i16 addrspace(1)* %b,
20 i16 addrspace(1)* %c) {
21 entry:
22 %tid = call i32 @llvm.amdgcn.workitem.id.x()
23 %a.gep = getelementptr inbounds i16, i16 addrspace(1)* %a, i32 %tid
24 %b.gep = getelementptr inbounds i16, i16 addrspace(1)* %b, i32 %tid
25 %c.gep = getelementptr inbounds i16, i16 addrspace(1)* %c, i32 %tid
26
27 %a.val = load volatile i16, i16 addrspace(1)* %a.gep
28 %b.val = load volatile i16, i16 addrspace(1)* %b.gep
29 %c.val = load volatile i16, i16 addrspace(1)* %c.gep
30
31 %m.val = mul i16 %a.val, %b.val
32 %r.val = add i16 %m.val, %c.val
33
34 store i16 %r.val, i16 addrspace(1)* %r
35 ret void
36 }
37
38 declare i32 @llvm.amdgcn.workitem.id.x()