mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 03:33:20 +01:00
40 lines
1.3 KiB
LLVM
40 lines
1.3 KiB
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 amdgpu_kernel 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
|
|
}
|
|
|
|
; This test used to crash in ScheduleDAG.
|
|
;
|
|
; GCN-LABEL: {{^}}test_readcyclecounter_smem:
|
|
; SI-DAG: s_memtime
|
|
; VI-DAG: s_memrealtime
|
|
; GCN-DAG: s_load_dword
|
|
define amdgpu_cs i32 @test_readcyclecounter_smem(i64 addrspace(4)* inreg %in) #0 {
|
|
%cycle0 = call i64 @llvm.readcyclecounter()
|
|
%in.v = load i64, i64 addrspace(4)* %in
|
|
%r.64 = add i64 %cycle0, %in.v
|
|
%r.32 = trunc i64 %r.64 to i32
|
|
ret i32 %r.32
|
|
}
|
|
|
|
attributes #0 = { nounwind }
|