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d019e8638a
This switches to the workaround that HSA defaults to for the mesa path. This should be applied to the 4.0 branch. Patch by Vedran Miletić <vedran@miletic.net> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@292982 91177308-0d34-0410-b5e6-96231b3b80d8
26 lines
879 B
LLVM
26 lines
879 B
LLVM
; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=GCN %s
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; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=VI -check-prefix=GCN %s
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declare i64 @llvm.readcyclecounter() #0
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; GCN-LABEL: {{^}}test_readcyclecounter:
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; SI-DAG: s_memtime s{{\[[0-9]+:[0-9]+\]}}
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; VI-DAG: s_memrealtime s{{\[[0-9]+:[0-9]+\]}}
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; GCN-DAG: s_load_dwordx2
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; GCN: lgkmcnt
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; GCN: store_dwordx2
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; GCN-NOT: lgkmcnt
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; SI: s_memtime s{{\[[0-9]+:[0-9]+\]}}
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; VI: s_memrealtime s{{\[[0-9]+:[0-9]+\]}}
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; GCN: store_dwordx2
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define void @test_readcyclecounter(i64 addrspace(1)* %out) #0 {
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%cycle0 = call i64 @llvm.readcyclecounter()
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store volatile i64 %cycle0, i64 addrspace(1)* %out
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%cycle1 = call i64 @llvm.readcyclecounter()
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store volatile i64 %cycle1, i64 addrspace(1)* %out
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ret void
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}
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attributes #0 = { nounwind }
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