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; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck --check-prefix=EG-CHECK %s
; RUN: llc < %s -march=r600 -mcpu=verde -verify-machineinstrs | FileCheck --check-prefix=SI-CHECK %s
@local_memory_two_objects.local_mem0 = internal addrspace(3) unnamed_addr global [4 x i32] zeroinitializer, align 4
@local_memory_two_objects.local_mem1 = internal addrspace(3) unnamed_addr global [4 x i32] zeroinitializer, align 4
; EG-CHECK: @local_memory_two_objects
; Check that the LDS size emitted correctly
; EG-CHECK: .long 166120
; EG-CHECK-NEXT: .long 8
; SI-CHECK: .long 47180
; SI-CHECK-NEXT: .long 32768
; We would like to check the the lds writes are using different
; addresses, but due to variations in the scheduler, we can't do
; this consistently on evergreen GPUs.
; EG-CHECK: LDS_WRITE
; EG-CHECK: LDS_WRITE
; SI-CHECK: DS_WRITE_B32 0, {{v[0-9]*}}, v[[ADDRW:[0-9]*]]
; SI-CHECK-NOT: DS_WRITE_B32 0, {{v[0-9]*}}, v[[ADDRW]]
; GROUP_BARRIER must be the last instruction in a clause
; EG-CHECK: GROUP_BARRIER
; EG-CHECK-NEXT: ALU clause
; Make sure the lds reads are using different addresses.
; EG-CHECK: LDS_READ_RET {{[*]*}} OQAP, {{PV|T}}[[ADDRR:[0-9]*\.[XYZW]]]
; EG-CHECK-NOT: LDS_READ_RET {{[*]*}} OQAP, T[[ADDRR]]
; SI-CHECK: DS_READ_B32 {{v[0-9]+}}, 0, [[ADDRR:v[0-9]+]]
; SI-CHECK-NOT: DS_READ_B32 {{v[0-9]+}}, 0, [[ADDRR]]
define void @local_memory_two_objects(i32 addrspace(1)* %out) {
entry:
%x.i = call i32 @llvm.r600.read.tidig.x() #0
%arrayidx = getelementptr inbounds [4 x i32] addrspace(3)* @local_memory_two_objects.local_mem0, i32 0, i32 %x.i
store i32 %x.i, i32 addrspace(3)* %arrayidx, align 4
%mul = shl nsw i32 %x.i, 1
%arrayidx1 = getelementptr inbounds [4 x i32] addrspace(3)* @local_memory_two_objects.local_mem1, i32 0, i32 %x.i
store i32 %mul, i32 addrspace(3)* %arrayidx1, align 4
%sub = sub nsw i32 3, %x.i
call void @llvm.AMDGPU.barrier.local()
%arrayidx2 = getelementptr inbounds [4 x i32] addrspace(3)* @local_memory_two_objects.local_mem0, i32 0, i32 %sub
%0 = load i32 addrspace(3)* %arrayidx2, align 4
%arrayidx3 = getelementptr inbounds i32 addrspace(1)* %out, i32 %x.i
store i32 %0, i32 addrspace(1)* %arrayidx3, align 4
%arrayidx4 = getelementptr inbounds [4 x i32] addrspace(3)* @local_memory_two_objects.local_mem1, i32 0, i32 %sub
%1 = load i32 addrspace(3)* %arrayidx4, align 4
%add = add nsw i32 %x.i, 4
%arrayidx5 = getelementptr inbounds i32 addrspace(1)* %out, i32 %add
store i32 %1, i32 addrspace(1)* %arrayidx5, align 4
ret void
}
declare i32 @llvm.r600.read.tidig.x() #0
declare void @llvm.AMDGPU.barrier.local()
attributes #0 = { readnone }
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