[llvm] [IRBuilder] Add Align argument for CreateMaskedExpandLoad and CreateMaskedCompressStore (PR #122878)

[Nikita Popov via llvm-commits]

================
@@ -3561,8 +3562,9 @@ struct MemorySanitizerVisitor : public InstVisitor<MemorySanitizerVisitor> {
     auto [ShadowPtr, OriginPtr] =
         getShadowOriginPtr(Ptr, IRB, ElementShadowTy, {}, /*isStore*/ false);
 
-    Value *Shadow = IRB.CreateMaskedExpandLoad(
-        ShadowTy, ShadowPtr, Mask, getShadow(PassThru), "_msmaskedexpload");
+    Value *Shadow =
+        IRB.CreateMaskedExpandLoad(ShadowTy, ShadowPtr, Align, Mask,
----------------
nikic wrote:

Is the alignment for the original memory the same as for the shadow memory?

https://github.com/llvm/llvm-project/pull/122878