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1; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
2
3; TODO: Add RUN and CHECK lines for SI once this test works there
4
5@local_memory_two_objects.local_mem0 = internal addrspace(3) unnamed_addr global [4 x i32] zeroinitializer, align 4
6@local_memory_two_objects.local_mem1 = internal addrspace(3) unnamed_addr global [4 x i32] zeroinitializer, align 4
7
8; CHECK: @local_memory_two_objects
9
10; Check that the LDS size emitted correctly
11; CHECK: .long 166120
12; CHECK-NEXT: .long 8
13
14; Make sure the lds writes are using different addresses.
15; CHECK: LDS_WRITE {{[*]*}} {{PV|T}}[[ADDRW:[0-9]*\.[XYZW]]]
16; CHECK-NOT: LDS_WRITE {{[*]*}} T[[ADDRW]]
17
18; GROUP_BARRIER must be the last instruction in a clause
19; CHECK: GROUP_BARRIER
20; CHECK-NEXT: ALU clause
21
22; Make sure the lds reads are using different addresses.
23; CHECK: LDS_READ_RET {{[*]*}} OQAP, {{PV|T}}[[ADDRR:[0-9]*\.[XYZW]]]
24; CHECK-NOT: LDS_READ_RET {{[*]*}} OQAP, T[[ADDRR]]
25
26define void @local_memory_two_objects(i32 addrspace(1)* %out) {
27entry:
28  %x.i = call i32 @llvm.r600.read.tidig.x() #0
29  %arrayidx = getelementptr inbounds [4 x i32] addrspace(3)* @local_memory_two_objects.local_mem0, i32 0, i32 %x.i
30  store i32 %x.i, i32 addrspace(3)* %arrayidx, align 4
31  %mul = shl nsw i32 %x.i, 1
32  %arrayidx1 = getelementptr inbounds [4 x i32] addrspace(3)* @local_memory_two_objects.local_mem1, i32 0, i32 %x.i
33  store i32 %mul, i32 addrspace(3)* %arrayidx1, align 4
34  %sub = sub nsw i32 3, %x.i
35  call void @llvm.AMDGPU.barrier.local()
36  %arrayidx2 = getelementptr inbounds [4 x i32] addrspace(3)* @local_memory_two_objects.local_mem0, i32 0, i32 %sub
37  %0 = load i32 addrspace(3)* %arrayidx2, align 4
38  %arrayidx3 = getelementptr inbounds i32 addrspace(1)* %out, i32 %x.i
39  store i32 %0, i32 addrspace(1)* %arrayidx3, align 4
40  %arrayidx4 = getelementptr inbounds [4 x i32] addrspace(3)* @local_memory_two_objects.local_mem1, i32 0, i32 %sub
41  %1 = load i32 addrspace(3)* %arrayidx4, align 4
42  %add = add nsw i32 %x.i, 4
43  %arrayidx5 = getelementptr inbounds i32 addrspace(1)* %out, i32 %add
44  store i32 %1, i32 addrspace(1)* %arrayidx5, align 4
45  ret void
46}
47
48declare i32 @llvm.r600.read.tidig.x() #0
49declare void @llvm.AMDGPU.barrier.local()
50
51attributes #0 = { readnone }
52