File: llround-conv-fp16.ll

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (32 lines) | stat: -rw-r--r-- 733 bytes parent folder | download | duplicates (15)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
; RUN: llc < %s -mtriple=aarch64 -mattr=+fullfp16 | FileCheck %s

; CHECK-LABEL: testmhhs:
; CHECK:       fcvtas  x0, h0
; CHECK:       ret
define i16 @testmhhs(half %x) {
entry:
  %0 = tail call i64 @llvm.llround.i64.f16(half %x)
  %conv = trunc i64 %0 to i16
  ret i16 %conv
}

; CHECK-LABEL: testmhws:
; CHECK:       fcvtas  x0, h0
; CHECK:       ret
define i32 @testmhws(half %x) {
entry:
  %0 = tail call i64 @llvm.llround.i64.f16(half %x)
  %conv = trunc i64 %0 to i32
  ret i32 %conv
}

; CHECK-LABEL: testmhxs:
; CHECK:       fcvtas  x0, h0
; CHECK-NEXT:  ret
define i64 @testmhxs(half %x) {
entry:
  %0 = tail call i64 @llvm.llround.i64.f16(half %x)
  ret i64 %0
}

declare i64 @llvm.llround.i64.f16(half) nounwind readnone