1; Test that lib call simplification doesn't simplify __strncpy_chk calls
2; with the wrong prototype.
3;
4; RUN: opt < %s -instcombine -S | FileCheck %s
5
6target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
7
8@a = common global [60 x i16] zeroinitializer, align 1
9@b = common global [60 x i16] zeroinitializer, align 1
10
11define void @test_no_simplify() {
12; CHECK-LABEL: @test_no_simplify(
13  %dst = getelementptr inbounds [60 x i16]* @a, i32 0, i32 0
14  %src = getelementptr inbounds [60 x i16]* @b, i32 0, i32 0
15
16; CHECK-NEXT: call i16* @__strncpy_chk
17  call i16* @__strncpy_chk(i16* %dst, i16* %src, i32 60, i32 60)
18  ret void
19}
20
21declare i16* @__strncpy_chk(i16*, i16*, i32, i32)
22