1; Test that the wcslen library call simplifier works correctly.
2;
3; RUN: opt < %s -instcombine -S | FileCheck %s
4
5target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
6
7; Without the wchar_size metadata we should see no optimization happening.
8
9@hello = constant [6 x i32] [i32 104, i32 101, i32 108, i32 108, i32 111, i32 0]
10
11declare i64 @wcslen(i32*)
12
13define i64 @test_no_simplify1() {
14; CHECK-LABEL: @test_no_simplify1(
15; CHECK-NEXT: %hello_l = call i64 @wcslen(i32* getelementptr inbounds ([6 x i32], [6 x i32]* @hello, i64 0, i64 0))
16; CHECK-NEXT: ret i64 %hello_l
17  %hello_p = getelementptr [6 x i32], [6 x i32]* @hello, i64 0, i64 0
18  %hello_l = call i64 @wcslen(i32* %hello_p)
19  ret i64 %hello_l
20}
21