[NFC][TTI] Add Alignment for isLegalMasked[Load/Store]

Add an extra parameter so the backend can take the alignment into
consideration.

Differential Revision: https://reviews.llvm.org/D68400

llvm-svn: 374763

1 files changed, 11 insertions, 4 deletions

diff --git a/llvm/lib/CodeGen/ScalarizeMaskedMemIntrin.cpp b/llvm/lib/CodeGen/ScalarizeMaskedMemIntrin.cpp
index 515582640ed..b4037499d7d 100644
--- a/llvm/lib/CodeGen/ScalarizeMaskedMemIntrin.cpp
+++ b/llvm/lib/CodeGen/ScalarizeMaskedMemIntrin.cpp
@@ -851,17 +851,24 @@ bool ScalarizeMaskedMemIntrin::optimizeCallInst(CallInst *CI,
     switch (II->getIntrinsicID()) {
     default:
       break;
-    case Intrinsic::masked_load:
+    case Intrinsic::masked_load: {
       // Scalarize unsupported vector masked load
-      if (TTI->isLegalMaskedLoad(CI->getType()))
+      unsigned Alignment =
+        cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue();
+      if (TTI->isLegalMaskedLoad(CI->getType(), MaybeAlign(Alignment)))
         return false;
       scalarizeMaskedLoad(CI, ModifiedDT);
       return true;
-    case Intrinsic::masked_store:
-      if (TTI->isLegalMaskedStore(CI->getArgOperand(0)->getType()))
+    }
+    case Intrinsic::masked_store: {
+      unsigned Alignment =
+        cast<ConstantInt>(CI->getArgOperand(2))->getZExtValue();
+      if (TTI->isLegalMaskedStore(CI->getArgOperand(0)->getType(),
+                                  MaybeAlign(Alignment)))
         return false;
       scalarizeMaskedStore(CI, ModifiedDT);
       return true;
+    }
     case Intrinsic::masked_gather:
       if (TTI->isLegalMaskedGather(CI->getType()))
         return false;