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; 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)* dereferenceable(16) dereferenceable_or_null(40) [[D:%.*]], i8* 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
}
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