File: fp16_to_fp64.ll

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (16 lines) | stat: -rw-r--r-- 889 bytes parent folder | download | duplicates (14) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
 
; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s

declare double @llvm.convert.from.fp16.f64(i16) nounwind readnone

; FUNC-LABEL: {{^}}test_convert_fp16_to_fp64:
; GCN: buffer_load_ushort [[VAL:v[0-9]+]]
; GCN: v_cvt_f32_f16_e32 [[RESULT32:v[0-9]+]], [[VAL]]
; GCN: v_cvt_f64_f32_e32 [[RESULT:v\[[0-9]+:[0-9]+\]]], [[RESULT32]]
; GCN: buffer_store_dwordx2 [[RESULT]]
define amdgpu_kernel void @test_convert_fp16_to_fp64(double addrspace(1)* noalias %out, i16 addrspace(1)* noalias %in) nounwind {
  %val = load i16, i16 addrspace(1)* %in, align 2
  %cvt = call double @llvm.convert.from.fp16.f64(i16 %val) nounwind readnone
  store double %cvt, double addrspace(1)* %out, align 4
  ret void
}