| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -instcombine -S < %s | FileCheck %s |
| |
| declare i32 @memcmp(i8 addrspace(1)* nocapture, i8* nocapture, i64) |
| |
| define i32 @memcmp_const_size_update_deref(i8 addrspace(1)* nocapture readonly %d, i8* nocapture readonly %s) { |
| ; CHECK-LABEL: @memcmp_const_size_update_deref( |
| ; CHECK-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8 addrspace(1)* noundef dereferenceable(16) dereferenceable_or_null(40) [[D:%.*]], i8* noundef nonnull dereferenceable(16) [[S:%.*]], i64 16) |
| ; CHECK-NEXT: ret i32 [[CALL]] |
| ; |
| %call = tail call i32 @memcmp(i8 addrspace(1)* dereferenceable_or_null(40) %d, i8* %s, i64 16) |
| ret i32 %call |
| } |
| |
| define i32 @memcmp_nonconst_size_nonnnull(i8 addrspace(1)* nocapture readonly %d, i8* nocapture readonly %s, i64 %n) { |
| ; CHECK-LABEL: @memcmp_nonconst_size_nonnnull( |
| ; CHECK-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8 addrspace(1)* nonnull dereferenceable_or_null(40) [[D:%.*]], i8* nonnull [[S:%.*]], i64 [[N:%.*]]) |
| ; CHECK-NEXT: ret i32 [[CALL]] |
| ; |
| %call = tail call i32 @memcmp(i8 addrspace(1)* nonnull dereferenceable_or_null(40) %d, i8* nonnull %s, i64 %n) |
| ret i32 %call |
| } |
