| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -passes=instcombine -S < %s | FileCheck %s |
| |
| declare i32 @memcmp(ptr addrspace(1) nocapture, ptr addrspace(1) nocapture, i64) |
| |
| define i32 @memcmp_const_size_update_deref(ptr addrspace(1) nocapture readonly %d, ptr addrspace(1) nocapture readonly %s) { |
| ; CHECK-LABEL: @memcmp_const_size_update_deref( |
| ; 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) |
| ; CHECK-NEXT: ret i32 [[CALL]] |
| ; |
| %call = tail call i32 @memcmp(ptr addrspace(1) dereferenceable_or_null(40) %d, ptr addrspace(1) %s, i64 16) |
| ret i32 %call |
| } |
| |
| define i32 @memcmp_nonconst_size_nonnnull(ptr addrspace(1) nocapture readonly %d, ptr addrspace(1) nocapture readonly %s, i64 %n) { |
| ; CHECK-LABEL: @memcmp_nonconst_size_nonnnull( |
| ; CHECK-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(ptr addrspace(1) nonnull dereferenceable_or_null(40) [[D:%.*]], ptr addrspace(1) nonnull [[S:%.*]], i64 [[N:%.*]]) |
| ; CHECK-NEXT: ret i32 [[CALL]] |
| ; |
| %call = tail call i32 @memcmp(ptr addrspace(1) nonnull dereferenceable_or_null(40) %d, ptr addrspace(1) nonnull %s, i64 %n) |
| ret i32 %call |
| } |
