File: aarch64-bswap-ext.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,696 kB
  • sloc: cpp: 7,438,781; ansic: 1,393,871; asm: 1,012,926; python: 241,771; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 8,596; ml: 5,082; perl: 4,730; makefile: 3,591; awk: 3,523; javascript: 2,251; xml: 892; fortran: 672
file content (27 lines) | stat: -rw-r--r-- 914 bytes parent folder | download | duplicates (26) 
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
 
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=aarch64-unknown-linux-gnu < %s | FileCheck %s

define <2 x i32> @test1(<2 x i16> %v2i16) {
; CHECK-LABEL: test1:
; CHECK:       // %bb.0:
; CHECK-NEXT:    rev32 v0.8b, v0.8b
; CHECK-NEXT:    sshr v0.2s, v0.2s, #16
; CHECK-NEXT:    ret
  %v2i16_rev = call <2 x i16> @llvm.bswap.v2i16(<2 x i16> %v2i16)
  %v2i32 = sext <2 x i16> %v2i16_rev to <2 x i32>
  ret <2 x i32> %v2i32
}

define <2 x float> @test2(<2 x i16> %v2i16) {
; CHECK-LABEL: test2:
; CHECK:       // %bb.0:
; CHECK-NEXT:    rev32 v0.8b, v0.8b
; CHECK-NEXT:    sshr v0.2s, v0.2s, #16
; CHECK-NEXT:    scvtf v0.2s, v0.2s
; CHECK-NEXT:    ret
  %v2i16_rev = call <2 x i16> @llvm.bswap.v2i16(<2 x i16> %v2i16)
  %v2f32 = sitofp <2 x i16> %v2i16_rev to <2 x float>
  ret <2 x float> %v2f32
}

declare <2 x i16> @llvm.bswap.v2i16(<2 x i16>) nounwind readnone