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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt -passes=instcombine -S < %s | FileCheck %s3 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 %call13}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 %call22}23