add extra test

Author: shiltian

llvm/test/Transforms/Attributor/range-and-constant-fold.ll

@@ -3,9 +3,9 @@
 
 @g = internal unnamed_addr addrspace(4) constant [3 x i8] c"12\00", align 16
 
-define void @foo(i32 %a, i32 %b, ptr %p) {
+define void @foo(i32 %a, i32 %b, ptr %p.0, ptr %p.1) {
 ; CHECK-LABEL: define void @foo(
-; CHECK-SAME: i32 [[A:%.*]], i32 [[B:%.*]], ptr nofree nonnull writeonly captures(none) dereferenceable(1) [[P:%.*]]) #[[ATTR0:[0-9]+]] {
+; CHECK-SAME: i32 [[A:%.*]], i32 [[B:%.*]], ptr nofree nonnull writeonly captures(none) dereferenceable(1) [[P_0:%.*]], ptr nofree nonnull writeonly align 4 captures(none) dereferenceable(8) [[P_1:%.*]]) #[[ATTR0:[0-9]+]] {
 ; CHECK-NEXT:  [[ENTRY:.*:]]
 ; CHECK-NEXT:    [[CMP:%.*]] = icmp ne i32 [[A]], [[B]]
 ; CHECK-NEXT:    br i1 [[CMP]], label %[[L1:.*]], label %[[L2:.*]]
@@ -15,8 +15,10 @@ define void @foo(i32 %a, i32 %b, ptr %p) {
 ; CHECK-NEXT:    br label %[[L3]]
 ; CHECK:       [[L3]]:
 ; CHECK-NEXT:    [[PHI:%.*]] = phi ptr addrspace(4) [ @g, %[[L1]] ], [ getelementptr inbounds nuw (i8, ptr addrspace(4) @g, i64 1), %[[L2]] ]
-; CHECK-NEXT:    [[LOAD:%.*]] = load i8, ptr addrspace(4) [[PHI]], align 1
-; CHECK-NEXT:    store i8 [[LOAD]], ptr [[P]], align 1
+; CHECK-NEXT:    [[LOAD_SMALL:%.*]] = load i8, ptr addrspace(4) [[PHI]], align 4
+; CHECK-NEXT:    store i8 [[LOAD_SMALL]], ptr [[P_0]], align 1
+; CHECK-NEXT:    [[LOAD_LARGE:%.*]] = load i64, ptr addrspace(4) [[PHI]], align 4
+; CHECK-NEXT:    store i64 [[LOAD_LARGE]], ptr [[P_1]], align 4
 ; CHECK-NEXT:    ret void
 ;
 entry:
@@ -28,7 +30,9 @@ l2:
   br label %l3
 l3:
   %phi = phi ptr addrspace(4) [ @g, %l1 ], [ getelementptr inbounds nuw (i8, ptr addrspace(4) @g, i64 1), %l2 ]
-  %load = load i8, ptr addrspace(4) %phi
-  store i8 %load, ptr %p
+  %load.small = load i8, ptr addrspace(4) %phi
+  store i8 %load.small, ptr %p.0
+  %load.large = load i64, ptr addrspace(4) %phi
+  store i64 %load.large, ptr %p.1
   ret void
 }