File: vmulh-sdnode-rv32.ll

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-6~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,418,812 kB
  • sloc: cpp: 5,290,827; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,900; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,892; xml: 953; cs: 573; fortran: 539
file content (25 lines) | stat: -rw-r--r-- 1,075 bytes parent folder | download | duplicates (3) 
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
 
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -mattr=+experimental-v -verify-machineinstrs < %s | FileCheck %s

; Test that the prepareSREMEqFold optimization doesn't crash on scalable
; vector types.
define <vscale x 4 x i1> @srem_eq_fold_nxv4i8(<vscale x 4 x i8> %va) {
; CHECK-LABEL: srem_eq_fold_nxv4i8:
; CHECK:       # %bb.0:
; CHECK-NEXT:    addi a0, zero, 42
; CHECK-NEXT:    vsetvli a1, zero, e8, mf2, ta, mu
; CHECK-NEXT:    vmv.v.x v25, a0
; CHECK-NEXT:    addi a1, zero, -85
; CHECK-NEXT:    vmacc.vx v25, a1, v8
; CHECK-NEXT:    vsll.vi v26, v25, 7
; CHECK-NEXT:    vsrl.vi v25, v25, 1
; CHECK-NEXT:    vor.vv v25, v25, v26
; CHECK-NEXT:    vmsleu.vx v0, v25, a0
; CHECK-NEXT:    ret
  %head_six = insertelement <vscale x 4 x i8> undef, i8 6, i32 0
  %splat_six = shufflevector <vscale x 4 x i8> %head_six, <vscale x 4 x i8> undef, <vscale x 4 x i32> zeroinitializer
  %rem = srem <vscale x 4 x i8> %va, %splat_six

  %cc = icmp eq <vscale x 4 x i8> %rem, zeroinitializer
  ret <vscale x 4 x i1> %cc
}