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27 lines
843 B
LLVM
27 lines
843 B
LLVM
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; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=FUNC -check-prefix=SI %s
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@ptr_load = addrspace(3) global i32 addrspace(2)* null, align 8
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; Make sure when the load from %ptr2 is folded the chain isn't lost,
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; resulting in losing the store to gptr
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; FUNC-LABEL: @missing_store_reduced
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; SI: DS_READ_B64
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; SI: BUFFER_STORE_DWORD
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; SI: BUFFER_LOAD_DWORD
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; SI: BUFFER_STORE_DWORD
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; SI: S_ENDPGM
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define void @missing_store_reduced(i32 addrspace(1)* %out, i32 addrspace(1)* %gptr) #0 {
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%ptr0 = load i32 addrspace(2)* addrspace(3)* @ptr_load, align 8
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%ptr2 = getelementptr inbounds i32 addrspace(2)* %ptr0, i64 2
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store i32 99, i32 addrspace(1)* %gptr, align 4
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%tmp2 = load i32 addrspace(2)* %ptr2, align 4
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store i32 %tmp2, i32 addrspace(1)* %out, align 4
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ret void
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}
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attributes #0 = { nounwind }
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