7aad8fd8f4
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> llvm-svn: 292982
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
|
|
; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=VI -check-prefix=GCN %s
|
|
|
|
declare i64 @llvm.readcyclecounter() #0
|
|
|
|
; GCN-LABEL: {{^}}test_readcyclecounter:
|
|
; SI-DAG: s_memtime s{{\[[0-9]+:[0-9]+\]}}
|
|
; VI-DAG: s_memrealtime s{{\[[0-9]+:[0-9]+\]}}
|
|
; GCN-DAG: s_load_dwordx2
|
|
; GCN: lgkmcnt
|
|
; GCN: store_dwordx2
|
|
; GCN-NOT: lgkmcnt
|
|
; SI: s_memtime s{{\[[0-9]+:[0-9]+\]}}
|
|
; VI: s_memrealtime s{{\[[0-9]+:[0-9]+\]}}
|
|
; GCN: store_dwordx2
|
|
define void @test_readcyclecounter(i64 addrspace(1)* %out) #0 {
|
|
%cycle0 = call i64 @llvm.readcyclecounter()
|
|
store volatile i64 %cycle0, i64 addrspace(1)* %out
|
|
|
|
%cycle1 = call i64 @llvm.readcyclecounter()
|
|
store volatile i64 %cycle1, i64 addrspace(1)* %out
|
|
ret void
|
|
}
|
|
|
|
attributes #0 = { nounwind }
|