Dan Gohman | bddc1ca | 2011-04-27 18:39:03 +0000 | [diff] [blame^] | 1 | ; RUN: opt -basicaa -gvn -S < %s | FileCheck %s |
| 2 | |
| 3 | 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" |
| 4 | |
| 5 | ; BasicAA should prove that these calls don't interfere, since they are |
| 6 | ; IntrArgReadMem and have noalias pointers. |
| 7 | |
| 8 | ; CHECK: define <8 x i16> @test0(i8* noalias %p, i8* noalias %q, <8 x i16> %y) { |
| 9 | ; CHECK-NEXT: entry: |
| 10 | ; CHECK-NEXT: %a = call <8 x i16> @llvm.arm.neon.vld1.v8i16(i8* %p, i32 16) nounwind |
| 11 | ; CHECK-NEXT: call void @llvm.arm.neon.vst1.v8i16(i8* %q, <8 x i16> %y, i32 16) |
| 12 | ; CHECK-NEXT: %c = add <8 x i16> %a, %a |
| 13 | define <8 x i16> @test0(i8* noalias %p, i8* noalias %q, <8 x i16> %y) { |
| 14 | entry: |
| 15 | %a = call <8 x i16> @llvm.arm.neon.vld1.v8i16(i8* %p, i32 16) nounwind |
| 16 | call void @llvm.arm.neon.vst1.v8i16(i8* %q, <8 x i16> %y, i32 16) |
| 17 | %b = call <8 x i16> @llvm.arm.neon.vld1.v8i16(i8* %p, i32 16) nounwind |
| 18 | %c = add <8 x i16> %a, %b |
| 19 | ret <8 x i16> %c |
| 20 | } |
| 21 | |
| 22 | declare <8 x i16> @llvm.arm.neon.vld1.v8i16(i8*, i32) nounwind readonly |
| 23 | declare void @llvm.arm.neon.vst1.v8i16(i8*, <8 x i16>, i32) nounwind |