File: intrinsics.ll

package info (click to toggle)
llvm-3.0 3.0-10
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 75,412 kB
  • sloc: cpp: 468,043; asm: 109,345; ansic: 13,782; sh: 12,935; ml: 4,716; python: 4,351; perl: 2,096; makefile: 1,905; pascal: 1,578; exp: 389; xml: 283; lisp: 187; csh: 117
file content (39 lines) | stat: -rw-r--r-- 1,803 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
26
27
28
29
30
31
32
33
34
35
36
37
38
39
; RUN: opt -basicaa -gvn -S < %s | FileCheck %s

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 they are
; IntrArgReadMem and have noalias pointers.

; CHECK:      define <8 x i16> @test0(i8* noalias %p, i8* noalias %q, <8 x i16> %y) {
; CHECK-NEXT: entry:
; CHECK-NEXT:   %a = call <8 x i16> @llvm.arm.neon.vld1.v8i16(i8* %p, i32 16) nounwind
; CHECK-NEXT:   call void @llvm.arm.neon.vst1.v8i16(i8* %q, <8 x i16> %y, i32 16)
; CHECK-NEXT:   %c = add <8 x i16> %a, %a
define <8 x i16> @test0(i8* noalias %p, i8* noalias %q, <8 x i16> %y) {
entry:
  %a = call <8 x i16> @llvm.arm.neon.vld1.v8i16(i8* %p, i32 16) nounwind
  call void @llvm.arm.neon.vst1.v8i16(i8* %q, <8 x i16> %y, i32 16)
  %b = call <8 x i16> @llvm.arm.neon.vld1.v8i16(i8* %p, i32 16) nounwind
  %c = add <8 x i16> %a, %b
  ret <8 x i16> %c
}

; CHECK:      define <8 x i16> @test1(i8* %p, <8 x i16> %y) {
; CHECK-NEXT: entry:
; CHECK-NEXT:   %q = getelementptr i8* %p, i64 16
; CHECK-NEXT:   %a = call <8 x i16> @llvm.arm.neon.vld1.v8i16(i8* %p, i32 16) nounwind
; CHECK-NEXT:   call void @llvm.arm.neon.vst1.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* %p, i64 16
  %a = call <8 x i16> @llvm.arm.neon.vld1.v8i16(i8* %p, i32 16) nounwind
  call void @llvm.arm.neon.vst1.v8i16(i8* %q, <8 x i16> %y, i32 16)
  %b = call <8 x i16> @llvm.arm.neon.vld1.v8i16(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(i8*, i32) nounwind readonly
declare void @llvm.arm.neon.vst1.v8i16(i8*, <8 x i16>, i32) nounwind