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19 lines
877 B
LLVM
19 lines
877 B
LLVM
; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI %s
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; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s
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; GCN-LABEL: {{^}}large_alloca:
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; GCN: buffer_store_dword v{{[0-9]+}}, v{{[0-9]+}}, s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen
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; GCN: buffer_load_dword v{{[0-9]+}}, v{{[0-9]+}}, s{{\[[0-9]+:[0-9]+\]}}, s{{[0-9]+}} offen
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; GCN: ScratchSize: 32776
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define void @large_alloca(i32 addrspace(1)* %out, i32 %x, i32 %y) #0 {
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%large = alloca [8192 x i32], align 4
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%gep = getelementptr [8192 x i32], [8192 x i32]* %large, i32 0, i32 8191
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store i32 %x, i32* %gep
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%gep1 = getelementptr [8192 x i32], [8192 x i32]* %large, i32 0, i32 %y
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%load = load i32, i32* %gep1
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store i32 %load, i32 addrspace(1)* %out
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ret void
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}
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attributes #0 = { nounwind }
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