[LAA] Add tests with invariant accesses using vector types.

Extra tests for llvm#92307

llvm/test/Analysis/LoopAccessAnalysis/invariant-dependence-before.ll

@@ -754,3 +754,73 @@ loop:
 exit:
  ret void
 }
+
+define void @test_invar_vector_dependence_before_positive_strided_access_1(ptr %a) {
+; CHECK-LABEL: 'test_invar_vector_dependence_before_positive_strided_access_1'
+; CHECK-NEXT: loop:
+; CHECK-NEXT: Report: unsafe dependent memory operations in loop. Use #pragma clang loop distribute(enable) to allow loop distribution to attempt to isolate the offending operations into a separate loop
+; CHECK-NEXT: Unknown data dependence.
+; CHECK-NEXT: Dependences:
+; CHECK-NEXT: Unknown:
+; CHECK-NEXT: %l = load <4 x i8>, ptr %a, align 4 ->
+; CHECK-NEXT: store i32 0, ptr %gep, align 4
+; CHECK-EMPTY:
+; CHECK-NEXT: Run-time memory checks:
+; CHECK-NEXT: Grouped accesses:
+; CHECK-EMPTY:
+; CHECK-NEXT: Non vectorizable stores to invariant address were not found in loop.
+; CHECK-NEXT: SCEV assumptions:
+; CHECK-EMPTY:
+; CHECK-NEXT: Expressions re-written:
+;
+entry:
+ %gep.off = getelementptr i8, ptr %a, i32 4
+ br label %loop
+
+loop:
+ %iv = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
+ %gep = getelementptr i32, ptr %gep.off, i32 %iv
+ %l = load <4 x i8>, ptr %a
+ store i32 0, ptr %gep
+ %iv.next = add i32 %iv, 1
+ %ec = icmp eq i32 %iv.next, 100
+ br i1 %ec, label %exit, label %loop
+
+exit:
+ ret void
+}
+
+define void @test_invar_scalable_dependence_before_positive_strided_access_1(ptr %a) {
+; CHECK-LABEL: 'test_invar_scalable_dependence_before_positive_strided_access_1'
+; CHECK-NEXT: loop:
+; CHECK-NEXT: Report: unsafe dependent memory operations in loop. Use #pragma clang loop distribute(enable) to allow loop distribution to attempt to isolate the offending operations into a separate loop
+; CHECK-NEXT: Unknown data dependence.
+; CHECK-NEXT: Dependences:
+; CHECK-NEXT: Unknown:
+; CHECK-NEXT: %l = load <vscale x 4 x i8>, ptr %a, align 4 ->
+; CHECK-NEXT: store i32 0, ptr %gep, align 4
+; CHECK-EMPTY:
+; CHECK-NEXT: Run-time memory checks:
+; CHECK-NEXT: Grouped accesses:
+; CHECK-EMPTY:
+; CHECK-NEXT: Non vectorizable stores to invariant address were not found in loop.
+; CHECK-NEXT: SCEV assumptions:
+; CHECK-EMPTY:
+; CHECK-NEXT: Expressions re-written:
+;
+entry:
+ %gep.off = getelementptr i8, ptr %a, i32 4
+ br label %loop
+
+loop:
+ %iv = phi i32 [ 0, %entry ], [ %iv.next, %loop ]
+ %gep = getelementptr i32, ptr %gep.off, i32 %iv
+ %l = load <vscale x 4 x i8>, ptr %a
+ store i32 0, ptr %gep
+ %iv.next = add i32 %iv, 1
+ %ec = icmp eq i32 %iv.next, 100
+ br i1 %ec, label %exit, label %loop
+
+exit:
+ ret void
+}