File: sub-splat-sub.ll

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-11
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,418,840 kB
  • sloc: cpp: 5,290,826; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,898; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,913; xml: 953; cs: 573; fortran: 539
file content (28 lines) | stat: -rw-r--r-- 1,043 bytes parent folder | download | duplicates (17) 
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
 
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=aarch64-none-linux-gnu -mattr=+neon,+sve | FileCheck %s

define <16 x i8> @subsubii8(<16 x i8> %a, i8 %b) {
; CHECK-LABEL: subsubii8:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    dup v0.16b, w0
; CHECK-NEXT:    ret
entry:
  %sub = sub i8 0, %b
  %0 = insertelement <16 x i8> undef, i8 %sub, i32 0
  %sh_prom = shufflevector <16 x i8> %0, <16 x i8> undef, <16 x i32> zeroinitializer
  %sub2 = sub <16 x i8> zeroinitializer, %sh_prom
  ret <16 x i8> %sub2
}

define <vscale x 16 x i8> @subsubni8(<vscale x 16 x i8> %a, i8 %b) {
; CHECK-LABEL: subsubni8:
; CHECK:       // %bb.0: // %entry
; CHECK-NEXT:    mov z0.b, w0
; CHECK-NEXT:    ret
entry:
  %sub = sub i8 0, %b
  %0 = insertelement <vscale x 16 x i8> undef, i8 %sub, i32 0
  %sh_prom = shufflevector <vscale x 16 x i8> %0, <vscale x 16 x i8> undef, <vscale x 16 x i32> zeroinitializer
  %sub2 = sub <vscale x 16 x i8> zeroinitializer, %sh_prom
  ret <vscale x 16 x i8> %sub2
}