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gerrit-public.fairphone.software / toolchain / llvm-project / c6ae7b4763f6b12602f116cb15c5d19c628e2c21 / . / llvm / test / CodeGen / R600 / local-memory.ll
blob: 51af4844cb5a144de6497385c6df3979fd6331e3 [file] [log] [blame]
Michel Danzer49812b52013-07-10 16:37:07 +0000[diff] [blame]1; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck --check-prefix=EG-CHECK %s
Tom Stellard70f13db2013-10-10 17:11:46 +0000[diff] [blame]2; RUN: llc < %s -march=r600 -mcpu=verde -verify-machineinstrs | FileCheck --check-prefix=SI-CHECK %s
Tom Stellard6e1ee472013-10-29 16:37:28 +0000[diff] [blame]3; RUN: llc < %s -march=r600 -mcpu=bonaire -verify-machineinstrs | FileCheck --check-prefix=CI-CHECK %s
Tom Stellardc026e8b2013-06-28 15:47:08 +0000[diff] [blame]4
Rafael Espindola42a4c9f2014-06-06 01:20:28 +0000[diff] [blame]5@local_memory.local_mem = internal unnamed_addr addrspace(3) global [128 x i32] zeroinitializer, align 4
Tom Stellardc026e8b2013-06-28 15:47:08 +0000[diff] [blame]6
Tom Stellard6e1ee472013-10-29 16:37:28 +0000[diff] [blame]7; EG-CHECK-LABEL: @local_memory
8; SI-CHECK-LABEL: @local_memory
9; CI-CHECK-LABEL: @local_memory
Tom Stellardc026e8b2013-06-28 15:47:08 +0000[diff] [blame]10
11; Check that the LDS size emitted correctly
Michel Danzer49812b52013-07-10 16:37:07 +0000[diff] [blame]12; EG-CHECK: .long 166120
Tom Stellard6e1ee472013-10-29 16:37:28 +0000[diff] [blame]13; EG-CHECK-NEXT: .long 128
Michel Danzer49812b52013-07-10 16:37:07 +0000[diff] [blame]14; SI-CHECK: .long 47180
Tom Stellard6e1ee472013-10-29 16:37:28 +0000[diff] [blame]15; SI-CHECK-NEXT: .long 65536
16; CI-CHECK: .long 47180
17; CI-CHECK-NEXT: .long 32768
Tom Stellardc026e8b2013-06-28 15:47:08 +0000[diff] [blame]18
Michel Danzer49812b52013-07-10 16:37:07 +0000[diff] [blame]19; EG-CHECK: LDS_WRITE
Benjamin Kramerc10563d2014-01-11 21:06:00 +0000[diff] [blame]20; SI-CHECK-NOT: S_WQM_B64
Matt Arsenault547aff22014-03-19 22:19:43 +0000[diff] [blame]21; SI-CHECK: DS_WRITE_B32
Tom Stellardc026e8b2013-06-28 15:47:08 +0000[diff] [blame]22
23; GROUP_BARRIER must be the last instruction in a clause
Michel Danzer49812b52013-07-10 16:37:07 +0000[diff] [blame]24; EG-CHECK: GROUP_BARRIER
25; EG-CHECK-NEXT: ALU clause
26; SI-CHECK: S_BARRIER
Tom Stellardc026e8b2013-06-28 15:47:08 +0000[diff] [blame]27
Michel Danzer49812b52013-07-10 16:37:07 +0000[diff] [blame]28; EG-CHECK: LDS_READ_RET
Matt Arsenault547aff22014-03-19 22:19:43 +0000[diff] [blame]29; SI-CHECK: DS_READ_B32 {{v[0-9]+}},
Tom Stellardc026e8b2013-06-28 15:47:08 +0000[diff] [blame]30
31define void @local_memory(i32 addrspace(1)* %out) {
32entry:
33 %y.i = call i32 @llvm.r600.read.tidig.x() #0
Tom Stellard6e1ee472013-10-29 16:37:28 +0000[diff] [blame]34 %arrayidx = getelementptr inbounds [128 x i32] addrspace(3)* @local_memory.local_mem, i32 0, i32 %y.i
Tom Stellardc026e8b2013-06-28 15:47:08 +0000[diff] [blame]35 store i32 %y.i, i32 addrspace(3)* %arrayidx, align 4
36 %add = add nsw i32 %y.i, 1
37 %cmp = icmp eq i32 %add, 16
38 %.add = select i1 %cmp, i32 0, i32 %add
39 call void @llvm.AMDGPU.barrier.local()
Tom Stellard6e1ee472013-10-29 16:37:28 +0000[diff] [blame]40 %arrayidx1 = getelementptr inbounds [128 x i32] addrspace(3)* @local_memory.local_mem, i32 0, i32 %.add
Tom Stellardc026e8b2013-06-28 15:47:08 +0000[diff] [blame]41 %0 = load i32 addrspace(3)* %arrayidx1, align 4
42 %arrayidx2 = getelementptr inbounds i32 addrspace(1)* %out, i32 %y.i
43 store i32 %0, i32 addrspace(1)* %arrayidx2, align 4
44 ret void
45}
46
Tom Stellardc026e8b2013-06-28 15:47:08 +0000[diff] [blame]47declare i32 @llvm.r600.read.tidig.x() #0
48declare void @llvm.AMDGPU.barrier.local()
49
50attributes #0 = { readnone }