File: arm64-sqshl-uqshl-i64Contant.ll

package info (click to toggle)
llvm-toolchain-3.7 1%3A3.7.1-5
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 345,556 kB
  • ctags: 362,199
  • sloc: cpp: 2,156,381; ansic: 458,339; objc: 91,547; python: 89,988; asm: 86,305; sh: 21,479; makefile: 6,853; perl: 5,601; ml: 5,458; pascal: 3,933; lisp: 2,429; xml: 686; cs: 239; php: 202; csh: 117
file content (19 lines) | stat: -rw-r--r-- 638 bytes parent folder | download | duplicates (7)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
; RUN: llc < %s -verify-machineinstrs -march=arm64 | FileCheck %s

; Check if sqshl/uqshl with constant shift amout can be selected. 
define i64 @test_vqshld_s64_i(i64 %a) {
; CHECK-LABEL: test_vqshld_s64_i:
; CHECK: sqshl {{d[0-9]+}}, {{d[0-9]+}}, #36
  %1 = tail call i64 @llvm.aarch64.neon.sqshl.i64(i64 %a, i64 36)
  ret i64 %1
}

define i64 @test_vqshld_u64_i(i64 %a) {
; CHECK-LABEL: test_vqshld_u64_i:
; CHECK: uqshl {{d[0-9]+}}, {{d[0-9]+}}, #36
  %1 = tail call i64 @llvm.aarch64.neon.uqshl.i64(i64 %a, i64 36)
  ret i64 %1
}

declare i64 @llvm.aarch64.neon.uqshl.i64(i64, i64)
declare i64 @llvm.aarch64.neon.sqshl.i64(i64, i64)