view test/CodeGen/AMDGPU/llvm.amdgcn.s.dcache.wb.ll @ 146:3fc4d5c3e21e

set tail call flag for code segment in CGCAll
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sun, 23 Dec 2018 19:23:36 +0900
parents 3a76565eade5
children
line wrap: on
line source

; RUN: llc -march=amdgcn -mcpu=fiji -show-mc-encoding < %s | FileCheck -check-prefix=VI %s

declare void @llvm.amdgcn.s.dcache.wb() #0
declare void @llvm.amdgcn.s.waitcnt(i32) #0

; VI-LABEL: {{^}}test_s_dcache_wb:
; VI-NEXT: ; %bb.0:
; VI-NEXT: s_dcache_wb ; encoding: [0x00,0x00,0x84,0xc0,0x00,0x00,0x00,0x00]
; VI-NEXT: s_endpgm
define amdgpu_kernel void @test_s_dcache_wb() #0 {
  call void @llvm.amdgcn.s.dcache.wb()
  ret void
}

; VI-LABEL: {{^}}test_s_dcache_wb_insert_wait:
; VI-NEXT: ; %bb.0:
; VI-NEXT: s_dcache_wb
; VI: s_waitcnt lgkmcnt(0) ; encoding
define amdgpu_kernel void @test_s_dcache_wb_insert_wait() #0 {
  call void @llvm.amdgcn.s.dcache.wb()
  call void @llvm.amdgcn.s.waitcnt(i32 127)
  br label %end

end:
  store volatile i32 3, i32 addrspace(1)* undef
  ret void
}

attributes #0 = { nounwind }