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gerrit-public.fairphone.software / toolchain / llvm-project / 708a91a10366f0aa8f2b3912dd8e047ca1a66e5b / . / llvm / test / CodeGen / AMDGPU / local-memory.ll
blob: 9ffb59e709200dcfa6aa8b9f0bf579bc24005c23 [file] [log] [blame]
Matt Arsenault0c652c32014-09-26 01:12:36 +0000[diff] [blame]1; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
Tom Stellard49f8bfd2015-01-06 18:00:21 +0000[diff] [blame]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
Tom Stellardc026e8b2013-06-28 15:47:08 +0000[diff] [blame]4
Matt Arsenaultcc8d3b82014-11-13 19:56:13 +0000[diff] [blame]5@local_memory.local_mem = internal unnamed_addr addrspace(3) global [128 x i32] undef, align 4
Tom Stellardc026e8b2013-06-28 15:47:08 +0000[diff] [blame]6
Tom Stellardc026e8b2013-06-28 15:47:08 +0000[diff] [blame]7
8; Check that the LDS size emitted correctly
Matt Arsenault0c652c32014-09-26 01:12:36 +0000[diff] [blame]9; EG: .long 166120
10; EG-NEXT: .long 128
11; SI: .long 47180
Matt Arsenault26f8f3d2015-11-30 21:16:03 +0000[diff] [blame]12; SI-NEXT: .long 65668
Matt Arsenault0c652c32014-09-26 01:12:36 +0000[diff] [blame]13; CI: .long 47180
Matt Arsenault26f8f3d2015-11-30 21:16:03 +0000[diff] [blame]14; CI-NEXT: .long 32900
Tom Stellardc026e8b2013-06-28 15:47:08 +0000[diff] [blame]15
Rafael Espindolaec8da3d2015-03-17 14:34:42 +0000[diff] [blame]16; FUNC-LABEL: {{^}}local_memory:
17
Matt Arsenault0c652c32014-09-26 01:12:36 +0000[diff] [blame]18; EG: LDS_WRITE
Tom Stellard326d6ec2014-11-05 14:50:53 +0000[diff] [blame]19; SI-NOT: s_wqm_b64
20; SI: ds_write_b32
Tom Stellardc026e8b2013-06-28 15:47:08 +0000[diff] [blame]21
22; GROUP_BARRIER must be the last instruction in a clause
Matt Arsenault0c652c32014-09-26 01:12:36 +0000[diff] [blame]23; EG: GROUP_BARRIER
24; EG-NEXT: ALU clause
Tom Stellard326d6ec2014-11-05 14:50:53 +0000[diff] [blame]25; SI: s_barrier
Tom Stellardc026e8b2013-06-28 15:47:08 +0000[diff] [blame]26
Matt Arsenault0c652c32014-09-26 01:12:36 +0000[diff] [blame]27; EG: LDS_READ_RET
Tom Stellard326d6ec2014-11-05 14:50:53 +0000[diff] [blame]28; SI: ds_read_b32 {{v[0-9]+}},
Tom Stellardc026e8b2013-06-28 15:47:08 +0000[diff] [blame]29
30define void @local_memory(i32 addrspace(1)* %out) {
31entry:
32 %y.i = call i32 @llvm.r600.read.tidig.x() #0
David Blaikie79e6c742015-02-27 19:29:02 +0000[diff] [blame]33 %arrayidx = getelementptr inbounds [128 x i32], [128 x i32] addrspace(3)* @local_memory.local_mem, i32 0, i32 %y.i
Tom Stellardc026e8b2013-06-28 15:47:08 +0000[diff] [blame]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()
David Blaikie79e6c742015-02-27 19:29:02 +0000[diff] [blame]39 %arrayidx1 = getelementptr inbounds [128 x i32], [128 x i32] addrspace(3)* @local_memory.local_mem, i32 0, i32 %.add
David Blaikiea79ac142015-02-27 21:17:42 +0000[diff] [blame]40 %0 = load i32, i32 addrspace(3)* %arrayidx1, align 4
David Blaikie79e6c742015-02-27 19:29:02 +0000[diff] [blame]41 %arrayidx2 = getelementptr inbounds i32, i32 addrspace(1)* %out, i32 %y.i
Tom Stellardc026e8b2013-06-28 15:47:08 +0000[diff] [blame]42 store i32 %0, i32 addrspace(1)* %arrayidx2, align 4
43 ret void
44}
45
Tom Stellardc026e8b2013-06-28 15:47:08 +0000[diff] [blame]46declare i32 @llvm.r600.read.tidig.x() #0
47declare void @llvm.AMDGPU.barrier.local()
48
49attributes #0 = { readnone }