| ; RUN: llc -global-isel=0 -mtriple=amdgcn -mcpu=gfx700 -verify-machineinstrs < %s | FileCheck %s -check-prefixes=GCN,GFX700 |
| ; RUN: llc -global-isel=0 -mtriple=amdgcn -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck %s -check-prefixes=GCN,GFX900 |
| ; RUN: llc -global-isel=1 -mtriple=amdgcn -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck %s -check-prefixes=GCN,GFX900 |
| ; RUN: llc -global-isel=0 -mtriple=amdgcn -mcpu=gfx1100 -verify-machineinstrs < %s | FileCheck %s -check-prefixes=GCN,GFX1100 |
| ; RUN: llc -global-isel=1 -mtriple=amdgcn -mcpu=gfx1100 -verify-machineinstrs < %s | FileCheck %s -check-prefixes=GCN,GFX1100 |
| |
| declare i64 @llvm.readsteadycounter() #0 |
| |
| ; GCN-LABEL: {{^}}test_readsteadycounter: |
| ; GFX700: s_mov_b32 s[[REG:[0-9]+]], 0 |
| ; GFX900: s_memrealtime s[[[LO:[0-9]+]]:[[HI:[0-9]+]]] |
| ; GFX900: s_memrealtime s[[[LO:[0-9]+]]:[[HI:[0-9]+]]] |
| ; GFX1100: s_sendmsg_rtn_b64 s[[[LO:[0-9]+]]:[[HI:[0-9]+]]], sendmsg(MSG_RTN_GET_REALTIME) |
| ; GFX1100: s_sendmsg_rtn_b64 s[[[LO:[0-9]+]]:[[HI:[0-9]+]]], sendmsg(MSG_RTN_GET_REALTIME) |
| define amdgpu_kernel void @test_readsteadycounter(ptr addrspace(1) %out) #0 { |
| %cycle0 = call i64 @llvm.readsteadycounter() |
| store volatile i64 %cycle0, ptr addrspace(1) %out |
| |
| %cycle1 = call i64 @llvm.readsteadycounter() |
| store volatile i64 %cycle1, ptr addrspace(1) %out |
| ret void |
| } |
| |
| attributes #0 = { nounwind } |
