File: llvm.amdgcn.rcp.f16.ll

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (18 lines) | stat: -rw-r--r-- 604 bytes parent folder | download | duplicates (9)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
; RUN: llc -mtriple=amdgcn -mcpu=fiji -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s

declare half @llvm.amdgcn.rcp.f16(half %a)

; GCN-LABEL: {{^}}rcp_f16
; GCN: buffer_load_ushort v[[A_F16:[0-9]+]]
; VI:  v_rcp_f16_e32 v[[R_F16:[0-9]+]], v[[A_F16]]
; GCN: buffer_store_short v[[R_F16]]
; GCN: s_endpgm
define amdgpu_kernel void @rcp_f16(
    ptr addrspace(1) %r,
    ptr addrspace(1) %a) {
entry:
  %a.val = load half, ptr addrspace(1) %a
  %r.val = call half @llvm.amdgcn.rcp.f16(half %a.val)
  store half %r.val, ptr addrspace(1) %r
  ret void
}