| ; RUN: opt -aa-pipeline=basic-aa -passes=gvn -S < %s | FileCheck %s |
| ; REQUIRES: arm-registered-target |
| |
| 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(ptr %p, <8 x i16> %y) { |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: %q = getelementptr i8, ptr %p, i64 16 |
| ; CHECK-NEXT: %a = call <8 x i16> @llvm.arm.neon.vld1.v8i16.p0(ptr %p, i32 16) [[ATTR:#[0-9]+]] |
| ; CHECK-NEXT: call void @llvm.arm.neon.vst1.p0.v8i16(ptr %q, <8 x i16> %y, i32 16) |
| ; CHECK-NEXT: %c = add <8 x i16> %a, %a |
| define <8 x i16> @test1(ptr %p, <8 x i16> %y) { |
| entry: |
| %q = getelementptr i8, ptr %p, i64 16 |
| %a = call <8 x i16> @llvm.arm.neon.vld1.v8i16.p0(ptr %p, i32 16) nounwind |
| call void @llvm.arm.neon.vst1.p0.v8i16(ptr %q, <8 x i16> %y, i32 16) |
| %b = call <8 x i16> @llvm.arm.neon.vld1.v8i16.p0(ptr %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.p0(ptr, i32) nounwind readonly |
| declare void @llvm.arm.neon.vst1.p0.v8i16(ptr, <8 x i16>, i32) nounwind |
| |
| ; CHECK: attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: read) } |
| ; CHECK: attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) } |
| ; CHECK: attributes [[ATTR]] = { nounwind } |