Teach BasicAA about arm.neon.vld1 and vst1.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130327 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/BasicAliasAnalysis.cpp b/lib/Analysis/BasicAliasAnalysis.cpp
index be8ef96..f1bb8a3 100644
--- a/lib/Analysis/BasicAliasAnalysis.cpp
+++ b/lib/Analysis/BasicAliasAnalysis.cpp
@@ -779,6 +779,26 @@
return NoModRef;
break;
}
+ case Intrinsic::arm_neon_vld1: {
+ // LLVM's vld1 and vst1 intrinsics currently only support a single
+ // vector register.
+ uint64_t Size =
+ TD ? TD->getTypeStoreSize(II->getType()) : UnknownSize;
+ if (isNoAlias(Location(II->getArgOperand(0), Size,
+ II->getMetadata(LLVMContext::MD_tbaa)),
+ Loc))
+ return NoModRef;
+ break;
+ }
+ case Intrinsic::arm_neon_vst1: {
+ uint64_t Size =
+ TD ? TD->getTypeStoreSize(II->getArgOperand(1)->getType()) : UnknownSize;
+ if (isNoAlias(Location(II->getArgOperand(0), Size,
+ II->getMetadata(LLVMContext::MD_tbaa)),
+ Loc))
+ return NoModRef;
+ break;
+ }
}
// The AliasAnalysis base class has some smarts, lets use them.