diff --git a/mlir/include/mlir/Dialect/Vector/IR/VectorOps.td b/mlir/include/mlir/Dialect/Vector/IR/VectorOps.td
index bcc423a634148..f650a51840cf5 100644
--- a/mlir/include/mlir/Dialect/Vector/IR/VectorOps.td
+++ b/mlir/include/mlir/Dialect/Vector/IR/VectorOps.td
@@ -1712,16 +1712,15 @@ def Vector_LoadOp : Vector_Op<"load", [
 
     An optional `alignment` attribute allows to specify the byte alignment of the
     load operation. It must be a positive power of 2. The operation must access
-    memory at an address aligned to this boundary. Violations may lead to
-    architecture-specific faults or performance penalties.
+    memory at an address aligned to this boundary. Violating this requirement
+    triggers immediate undefined behavior.
   }];
 
   let arguments = (ins Arg<AnyMemRef, "the reference to load from",
       [MemRead]>:$base,
       Variadic<Index>:$indices,
       DefaultValuedOptionalAttr<BoolAttr, "false">:$nontemporal,
-      ConfinedAttr<OptionalAttr<I64Attr>,
-                   [AllAttrOf<[IntPositive, IntPowerOf2]>]>:$alignment);
+      OptionalAttr<IntValidAlignment<I64Attr>>: $alignment);
 
   let builders = [
     OpBuilder<(ins "VectorType":$resultType,
@@ -1827,8 +1826,8 @@ def Vector_StoreOp : Vector_Op<"store", [
 
     An optional `alignment` attribute allows to specify the byte alignment of the
     store operation. It must be a positive power of 2. The operation must access
-    memory at an address aligned to this boundary. Violations may lead to
-    architecture-specific faults or performance penalties.
+    memory at an address aligned to this boundary. Violating this requirement
+    triggers immediate undefined behavior.
   }];
 
   let arguments = (ins
@@ -1837,8 +1836,7 @@ def Vector_StoreOp : Vector_Op<"store", [
       [MemWrite]>:$base,
       Variadic<Index>:$indices,
       DefaultValuedOptionalAttr<BoolAttr, "false">:$nontemporal,
-      ConfinedAttr<OptionalAttr<I64Attr>,
-                   [AllAttrOf<[IntPositive, IntPowerOf2]>]>:$alignment);
+      OptionalAttr<IntValidAlignment<I64Attr>>: $alignment);
 
   let builders = [
     OpBuilder<(ins "Value":$valueToStore,
@@ -1875,8 +1873,7 @@ def Vector_MaskedLoadOp :
                Variadic<Index>:$indices,
                VectorOfNonZeroRankOf<[I1]>:$mask,
                AnyVectorOfNonZeroRank:$pass_thru,
-               ConfinedAttr<OptionalAttr<I64Attr>,
-                   [AllAttrOf<[IntPositive, IntPowerOf2]>]>:$alignment)>,
+               OptionalAttr<IntValidAlignment<I64Attr>>: $alignment)>,
     Results<(outs AnyVectorOfNonZeroRank:$result)> {
 
   let summary = "loads elements from memory into a vector as defined by a mask vector";
@@ -1915,8 +1912,8 @@ def Vector_MaskedLoadOp :
 
     An optional `alignment` attribute allows to specify the byte alignment of the
     load operation. It must be a positive power of 2. The operation must access
-    memory at an address aligned to this boundary. Violations may lead to
-    architecture-specific faults or performance penalties.
+    memory at an address aligned to this boundary. Violating this requirement
+    triggers immediate undefined behavior.
   }];
   let extraClassDeclaration = [{
     MemRefType getMemRefType() {
@@ -1968,8 +1965,7 @@ def Vector_MaskedStoreOp :
                Variadic<Index>:$indices,
                VectorOfNonZeroRankOf<[I1]>:$mask,
                AnyVectorOfNonZeroRank:$valueToStore,
-               ConfinedAttr<OptionalAttr<I64Attr>,
-                   [AllAttrOf<[IntPositive, IntPowerOf2]>]>:$alignment)> {
+               OptionalAttr<IntValidAlignment<I64Attr>>: $alignment)> {
 
   let summary = "stores elements from a vector into memory as defined by a mask vector";
 
@@ -2007,8 +2003,8 @@ def Vector_MaskedStoreOp :
 
     An optional `alignment` attribute allows to specify the byte alignment of the
     store operation. It must be a positive power of 2. The operation must access
-    memory at an address aligned to this boundary. Violations may lead to
-    architecture-specific faults or performance penalties.
+    memory at an address aligned to this boundary. Violating this requirement
+    triggers immediate undefined behavior.
   }];
   let extraClassDeclaration = [{
     MemRefType getMemRefType() {
@@ -2051,8 +2047,7 @@ def Vector_GatherOp :
                VectorOfNonZeroRankOf<[AnyInteger, Index]>:$index_vec,
                VectorOfNonZeroRankOf<[I1]>:$mask,
                AnyVectorOfNonZeroRank:$pass_thru,
-               ConfinedAttr<OptionalAttr<I64Attr>,
-                   [AllAttrOf<[IntPositive, IntPowerOf2]>]>:$alignment)>,
+               OptionalAttr<IntValidAlignment<I64Attr>>: $alignment)>,
     Results<(outs AnyVectorOfNonZeroRank:$result)> {
 
   let summary = [{
@@ -2100,8 +2095,8 @@ def Vector_GatherOp :
 
     An optional `alignment` attribute allows to specify the byte alignment of the
     gather operation. It must be a positive power of 2. The operation must access
-    memory at an address aligned to this boundary. Violations may lead to
-    architecture-specific faults or performance penalties.
+    memory at an address aligned to this boundary. Violating this requirement
+    triggers immediate undefined behavior.
 
     Examples:
 
@@ -2154,8 +2149,7 @@ def Vector_ScatterOp :
                VectorOfNonZeroRankOf<[AnyInteger, Index]>:$index_vec,
                VectorOfNonZeroRankOf<[I1]>:$mask,
                AnyVectorOfNonZeroRank:$valueToStore,
-               ConfinedAttr<OptionalAttr<I64Attr>,
-                   [AllAttrOf<[IntPositive, IntPowerOf2]>]>:$alignment)> {
+               OptionalAttr<IntValidAlignment<I64Attr>>: $alignment)> {
 
   let summary = [{
     scatters elements from a vector into memory as defined by an index vector
@@ -2191,8 +2185,8 @@ def Vector_ScatterOp :
 
     An optional `alignment` attribute allows to specify the byte alignment of the
     scatter operation. It must be a positive power of 2. The operation must access
-    memory at an address aligned to this boundary. Violations may lead to
-    architecture-specific faults or performance penalties.
+    memory at an address aligned to this boundary. Violating this requirement
+    triggers immediate undefined behavior.
 
     Examples:
 
@@ -2239,8 +2233,7 @@ def Vector_ExpandLoadOp :
                Variadic<Index>:$indices,
                FixedVectorOfNonZeroRankOf<[I1]>:$mask,
                AnyVectorOfNonZeroRank:$pass_thru,
-               ConfinedAttr<OptionalAttr<I64Attr>,
-                            [AllAttrOf<[IntPositive, IntPowerOf2]>]>:$alignment)>,
+               OptionalAttr<IntValidAlignment<I64Attr>>: $alignment)>,
     Results<(outs AnyVectorOfNonZeroRank:$result)> {
 
   let summary = "reads elements from memory and spreads them into a vector as defined by a mask";
@@ -2274,8 +2267,8 @@ def Vector_ExpandLoadOp :
 
     An optional `alignment` attribute allows to specify the byte alignment of the
     load operation. It must be a positive power of 2. The operation must access
-    memory at an address aligned to this boundary. Violations may lead to
-    architecture-specific faults or performance penalties.
+    memory at an address aligned to this boundary. Violating this requirement
+    triggers immediate undefined behavior.
 
     Note, at the moment this Op is only available for fixed-width vectors.
 
@@ -2328,8 +2321,7 @@ def Vector_CompressStoreOp :
                Variadic<Index>:$indices,
                FixedVectorOfNonZeroRankOf<[I1]>:$mask,
                AnyVectorOfNonZeroRank:$valueToStore,
-               ConfinedAttr<OptionalAttr<I64Attr>,
-                            [AllAttrOf<[IntPositive, IntPowerOf2]>]>:$alignment)> {
+               OptionalAttr<IntValidAlignment<I64Attr>>: $alignment)> {
 
   let summary = "writes elements selectively from a vector as defined by a mask";
 
@@ -2362,8 +2354,8 @@ def Vector_CompressStoreOp :
 
     An optional `alignment` attribute allows to specify the byte alignment of the
     store operation. It must be a positive power of 2. The operation must access
-    memory at an address aligned to this boundary. Violations may lead to
-    architecture-specific faults or performance penalties.
+    memory at an address aligned to this boundary. Violating this requirement
+    triggers immediate undefined behavior.
 
     Note, at the moment this Op is only available for fixed-width vectors.
 
diff --git a/mlir/include/mlir/IR/CommonAttrConstraints.td b/mlir/include/mlir/IR/CommonAttrConstraints.td
index 18da85a580710..e1869c1821b11 100644
--- a/mlir/include/mlir/IR/CommonAttrConstraints.td
+++ b/mlir/include/mlir/IR/CommonAttrConstraints.td
@@ -800,6 +800,10 @@ def IntPowerOf2 : AttrConstraint<
     CPred<"::llvm::cast<::mlir::IntegerAttr>($_self).getValue().isPowerOf2()">,
     "whose value is a power of two > 0">;
 
+def IntPositivePowerOf2 : AllAttrOf<[IntPositive, IntPowerOf2]>;
+
+class IntValidAlignment<Attr attr>: ConfinedAttr<attr, [IntPositivePowerOf2]>;
+
 class ArrayMaxCount<int n> : AttrConstraint<
     CPred<"::llvm::cast<::mlir::ArrayAttr>($_self).size() <= " # n>,
     "with at most " # n # " elements">;