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https://github.com/c64scene-ar/llvm-6502.git
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953c681473
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239657 91177308-0d34-0410-b5e6-96231b3b80d8
27 lines
880 B
LLVM
27 lines
880 B
LLVM
; RUN: llc -march=amdgcn -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)* undef, 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)*, i32 addrspace(2)* addrspace(3)* @ptr_load, align 8
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%ptr2 = getelementptr inbounds i32, 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, 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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