File: intrinsics-arm.ll

package info (click to toggle)
llvm-toolchain-15 1%3A15.0.6-4
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,554,644 kB
  • sloc: cpp: 5,922,452; ansic: 1,012,136; asm: 674,362; python: 191,568; objc: 73,855; f90: 42,327; lisp: 31,913; pascal: 11,973; javascript: 10,144; sh: 9,421; perl: 7,447; ml: 5,527; awk: 3,523; makefile: 2,520; xml: 885; cs: 573; fortran: 567
file content (31 lines) | stat: -rw-r--r-- 1,410 bytes parent folder | download | duplicates (9)
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
29
30
31
; RUN: opt -basic-aa -gvn -S < %s | FileCheck %s
; REQUIRES: arm

target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:32:64-v128:32:128-a0:0:32-n32"

; BasicAA should prove that these calls don't interfere, since we've
; specifically special cased exactly these two intrinsics in
; MemoryLocation::getForArgument.

; CHECK:      define <8 x i16> @test1(i8* %p, <8 x i16> %y) {
; CHECK-NEXT: entry:
; CHECK-NEXT:   %q = getelementptr i8, i8* %p, i64 16
; CHECK-NEXT:   %a = call <8 x i16> @llvm.arm.neon.vld1.v8i16.p0i8(i8* %p, i32 16) [[ATTR:#[0-9]+]]
; CHECK-NEXT:   call void @llvm.arm.neon.vst1.p0i8.v8i16(i8* %q, <8 x i16> %y, i32 16)
; CHECK-NEXT:   %c = add <8 x i16> %a, %a
define <8 x i16> @test1(i8* %p, <8 x i16> %y) {
entry:
  %q = getelementptr i8, i8* %p, i64 16
  %a = call <8 x i16> @llvm.arm.neon.vld1.v8i16.p0i8(i8* %p, i32 16) nounwind
  call void @llvm.arm.neon.vst1.p0i8.v8i16(i8* %q, <8 x i16> %y, i32 16)
  %b = call <8 x i16> @llvm.arm.neon.vld1.v8i16.p0i8(i8* %p, i32 16) nounwind
  %c = add <8 x i16> %a, %b
  ret <8 x i16> %c
}

declare <8 x i16> @llvm.arm.neon.vld1.v8i16.p0i8(i8*, i32) nounwind readonly
declare void @llvm.arm.neon.vst1.p0i8.v8i16(i8*, <8 x i16>, i32) nounwind

; CHECK: attributes #0 = { argmemonly nounwind readonly }
; CHECK: attributes #1 = { argmemonly nounwind }
; CHECK: attributes [[ATTR]] = { nounwind }