llvm/llvm/test/CodeGen/AMDGPU/promote-alloca-invariant-markers.ll

; RUN:  llc -amdgpu-scalarize-global-loads=false  -mtriple=amdgcn-- -mattr=+promote-alloca -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
target datalayout = "A5"

declare ptr @llvm.invariant.start.p5(i64, ptr addrspace(5) nocapture) #0
declare void @llvm.invariant.end.p5(ptr, i64, ptr addrspace(5) nocapture) #0
declare ptr addrspace(5) @llvm.launder.invariant.group.p5(ptr addrspace(5)) #1

; GCN-LABEL: {{^}}use_invariant_promotable_lds:
; GCN: buffer_load_dword
; GCN: ds_write_b32
define amdgpu_kernel void @use_invariant_promotable_lds(ptr addrspace(1) %arg) #2 {
bb:
  %tmp = alloca i32, align 4, addrspace(5)
  %tmp2 = getelementptr inbounds i32, ptr addrspace(1) %arg, i64 1
  %tmp3 = load i32, ptr addrspace(1) %tmp2
  store i32 %tmp3, ptr addrspace(5) %tmp
  %tmp4 = call ptr @llvm.invariant.start.p5(i64 4, ptr addrspace(5) %tmp) #0
  call void @llvm.invariant.end.p5(ptr %tmp4, i64 4, ptr addrspace(5) %tmp) #0
  %tmp5 = call ptr addrspace(5) @llvm.launder.invariant.group.p5(ptr addrspace(5) %tmp) #1
  ret void
}

attributes #0 = { argmemonly nounwind }
attributes #1 = { nounwind readnone }
attributes #2 = { nounwind }