Update codegen tests for LLVM 13

Author: nikic

src/test/codegen/array-equality.rs

@@ -29,7 +29,7 @@ pub fn array_eq_value_still_passed_by_pointer(a: [u16; 9], b: [u16; 9]) -> bool
     // CHECK-NEXT: start:
     // CHECK-NEXT: bitcast
     // CHECK-NEXT: bitcast
-    // CHECK-NEXT: %[[CMP:.+]] = tail call i32 @{{bcmp|memcmp}}(i8* nonnull dereferenceable(18) %{{.+}}, i8* nonnull dereferenceable(18) %{{.+}}, i64 18)
+    // CHECK-NEXT: %[[CMP:.+]] = tail call i32 @{{bcmp|memcmp}}(i8* {{.*}} dereferenceable(18) %{{.+}}, i8* {{.*}} dereferenceable(18) %{{.+}}, i64 18)
     // CHECK-NEXT: %[[EQ:.+]] = icmp eq i32 %[[CMP]], 0
     // CHECK-NEXT: ret i1 %[[EQ]]
     a == b
@@ -41,7 +41,7 @@ pub fn array_eq_long(a: &[u16; 1234], b: &[u16; 1234]) -> bool {
     // CHECK-NEXT: start:
     // CHECK-NEXT: bitcast
     // CHECK-NEXT: bitcast
-    // CHECK-NEXT: %[[CMP:.+]] = tail call i32 @{{bcmp|memcmp}}(i8* nonnull dereferenceable(2468) %{{.+}}, i8* nonnull dereferenceable(2468) %{{.+}}, i64 2468)
+    // CHECK-NEXT: %[[CMP:.+]] = tail call i32 @{{bcmp|memcmp}}(i8* {{.*}} dereferenceable(2468) %{{.+}}, i8* {{.*}} dereferenceable(2468) %{{.+}}, i64 2468)
     // CHECK-NEXT: %[[EQ:.+]] = icmp eq i32 %[[CMP]], 0
     // CHECK-NEXT: ret i1 %[[EQ]]
     a == b

src/test/codegen/repeat-trusted-len.rs

@@ -8,6 +8,6 @@ use std::iter;
 // CHECK-LABEL: @repeat_take_collect
 #[no_mangle]
 pub fn repeat_take_collect() -> Vec<u8> {
-// CHECK: call void @llvm.memset.p0i8.i{{[0-9]+}}(i8* {{(nonnull )?}}align 1{{.*}} %{{[0-9]+}}, i8 42, i{{[0-9]+}} 100000, i1 false)
+// CHECK: call void @llvm.memset.p0i8.i{{[0-9]+}}(i8* {{.*}}align 1{{.*}} %{{[0-9]+}}, i8 42, i{{[0-9]+}} 100000, i1 false)
     iter::repeat(42).take(100000).collect()
 }