Imported Upstream version 5.18.0.182

Former-commit-id: f9d55cf82631bfd710c387739687e5845296aea1

external/llvm/test/CodeGen/AMDGPU/missing-store.ll

@@ -1,30 +0,0 @@
-; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -check-prefix=FUNC -check-prefix=SI %s
-
-@ptr_load = addrspace(3) global i32 addrspace(2)* undef, align 8
-
-; Make sure when the load from %ptr2 is folded the chain isn't lost,
-; resulting in losing the store to gptr
-
-; FUNC-LABEL: {{^}}missing_store_reduced:
-; SI: s_load_dwordx2
-; SI: ds_read_b64
-; SI-DAG: buffer_store_dword
-; SI-DAG: v_readfirstlane_b32 s[[PTR_LO:[0-9]+]], v{{[0-9]+}}
-; SI: v_readfirstlane_b32 s[[PTR_HI:[0-9]+]], v{{[0-9]+}}
-; SI: s_nop 3
-; SI: s_load_dword s{{[0-9]+}}, s{{\[}}[[PTR_LO]]:[[PTR_HI]]{{\]}}
-; SI: buffer_store_dword
-; SI: s_endpgm
-define amdgpu_kernel void @missing_store_reduced(i32 addrspace(1)* %out, i32 addrspace(1)* %gptr) #0 {
-  %ptr0 = load i32 addrspace(2)*, i32 addrspace(2)* addrspace(3)* @ptr_load, align 8
-  %ptr2 = getelementptr inbounds i32, i32 addrspace(2)* %ptr0, i64 2
-
-  store i32 99, i32 addrspace(1)* %gptr, align 4
-  %tmp2 = load i32, i32 addrspace(2)* %ptr2, align 4
-
-  store i32 %tmp2, i32 addrspace(1)* %out, align 4
-  ret void
-}
-
-attributes #0 = { nounwind }
-