1 files changed, 39 insertions, 0 deletions
diff --git a/test/Analysis/BasicAA/intrinsics.ll b/test/Analysis/BasicAA/intrinsics.ll
new file mode 100644
index 0000000..59725cf
--- /dev/null
+++ b/test/Analysis/BasicAA/intrinsics.ll
@@ -0,0 +1,39 @@
+; 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