xref: /llvm-project/llvm/test/Transforms/InstCombine/mem-deref-bytes-addrspaces.ll (revision 4ab40eca080965c65802710e39adbb78c4ce7bde) 
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -passes=instcombine  -S < %s | FileCheck %s
3
4declare i32 @memcmp(ptr addrspace(1) nocapture, ptr addrspace(1) nocapture, i64)
5
6define i32 @memcmp_const_size_update_deref(ptr addrspace(1) nocapture readonly %d, ptr addrspace(1) nocapture readonly %s) {
7; CHECK-LABEL: @memcmp_const_size_update_deref(
8; CHECK-NEXT:    [[CALL:%.*]] = tail call i32 @memcmp(ptr addrspace(1) noundef dereferenceable(16) dereferenceable_or_null(40) [[D:%.*]], ptr addrspace(1) noundef dereferenceable(16) [[S:%.*]], i64 16)
9; CHECK-NEXT:    ret i32 [[CALL]]
10;
11  %call = tail call i32 @memcmp(ptr addrspace(1) dereferenceable_or_null(40) %d, ptr addrspace(1) %s, i64 16)
12  ret i32 %call
13}
14
15define i32 @memcmp_nonconst_size_nonnnull(ptr addrspace(1) nocapture readonly %d, ptr addrspace(1) nocapture readonly %s, i64 %n) {
16; CHECK-LABEL: @memcmp_nonconst_size_nonnnull(
17; CHECK-NEXT:    [[CALL:%.*]] = tail call i32 @memcmp(ptr addrspace(1) nonnull dereferenceable_or_null(40) [[D:%.*]], ptr addrspace(1) nonnull [[S:%.*]], i64 [[N:%.*]])
18; CHECK-NEXT:    ret i32 [[CALL]]
19;
20  %call = tail call i32 @memcmp(ptr addrspace(1) nonnull dereferenceable_or_null(40) %d, ptr addrspace(1) nonnull %s, i64 %n)
21  ret i32 %call
22}
23