Mercurial > hg > Members > tobaru > cbc > CbC_llvm

comparison test/CodeGen/AMDGPU/local-memory.ll @ 95:afa8332a0e37

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
LLVM 3.8
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 13 Oct 2015 17:48:58 +0900
parents
children 7d135dc70f03
comparison
equal deleted inserted replaced
84:f3e34b893a5f 95:afa8332a0e37
1 ; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
2 ; RUN: llc -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
3 ; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs < %s | FileCheck -check-prefix=CI -check-prefix=FUNC %s
4
5 @local_memory.local_mem = internal unnamed_addr addrspace(3) global [128 x i32] undef, align 4
6
7
8 ; Check that the LDS size emitted correctly
9 ; EG: .long 166120
10 ; EG-NEXT: .long 128
11 ; SI: .long 47180
12 ; SI-NEXT: .long 71560
13 ; CI: .long 47180
14 ; CI-NEXT: .long 38792
15
16 ; FUNC-LABEL: {{^}}local_memory:
17
18 ; EG: LDS_WRITE
19 ; SI-NOT: s_wqm_b64
20 ; SI: ds_write_b32
21
22 ; GROUP_BARRIER must be the last instruction in a clause
23 ; EG: GROUP_BARRIER
24 ; EG-NEXT: ALU clause
25 ; SI: s_barrier
26
27 ; EG: LDS_READ_RET
28 ; SI: ds_read_b32 {{v[0-9]+}},
29
30 define void @local_memory(i32 addrspace(1)* %out) {
31 entry:
32 %y.i = call i32 @llvm.r600.read.tidig.x() #0
33 %arrayidx = getelementptr inbounds [128 x i32], [128 x i32] addrspace(3)* @local_memory.local_mem, i32 0, i32 %y.i
34 store i32 %y.i, i32 addrspace(3)* %arrayidx, align 4
35 %add = add nsw i32 %y.i, 1
36 %cmp = icmp eq i32 %add, 16
37 %.add = select i1 %cmp, i32 0, i32 %add
38 call void @llvm.AMDGPU.barrier.local()
39 %arrayidx1 = getelementptr inbounds [128 x i32], [128 x i32] addrspace(3)* @local_memory.local_mem, i32 0, i32 %.add
40 %0 = load i32, i32 addrspace(3)* %arrayidx1, align 4
41 %arrayidx2 = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 %y.i
42 store i32 %0, i32 addrspace(1)* %arrayidx2, align 4
43 ret void
44 }
45
46 declare i32 @llvm.r600.read.tidig.x() #0
47 declare void @llvm.AMDGPU.barrier.local()
48
49 attributes #0 = { readnone }