File: memcpy-light-avx.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (26 lines) | stat: -rw-r--r-- 1,150 bytes parent folder | download | duplicates (14) 
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
 
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=haswell -mattr=prefer-128-bit | FileCheck %s
; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=znver1 -mattr=prefer-128-bit | FileCheck %s
; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mattr=avx2,+prefer-128-bit,+allow-light-256-bit | FileCheck %s
; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu -mattr=avx2,+prefer-128-bit,-allow-light-256-bit | FileCheck %s --check-prefixes=NO256

declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture, i64, i1) nounwind

define void @test1(ptr %a, ptr %b) nounwind {
; CHECK-LABEL: test1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vmovups (%rsi), %ymm0
; CHECK-NEXT:    vmovups %ymm0, (%rdi)
; CHECK-NEXT:    vzeroupper
; CHECK-NEXT:    retq
;
; NO256-LABEL: test1:
; NO256:       # %bb.0:
; NO256-NEXT:    vmovups (%rsi), %xmm0
; NO256-NEXT:    vmovups 16(%rsi), %xmm1
; NO256-NEXT:    vmovups %xmm1, 16(%rdi)
; NO256-NEXT:    vmovups %xmm0, (%rdi)
; NO256-NEXT:    retq
  tail call void @llvm.memcpy.p0.p0.i64(ptr %a, ptr %b, i64 32, i1 0 )
  ret void
}