; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; Test that the wcslen library call simplifier works correctly.
;
; RUN: opt < %s -passes=instcombine -S | FileCheck %s

target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"

; Without the wchar_size metadata the default wchar_t size is derived from the
; triple (4 bytes for most targets), so wcslen can still be optimized.

@hello = constant [6 x i32] [i32 104, i32 101, i32 108, i32 108, i32 111, i32 0]

declare i64 @wcslen(ptr)

define i64 @test_simplify1() {
; CHECK-LABEL: @test_simplify1(
; CHECK-NEXT:    ret i64 5
;
  %hello_l = call i64 @wcslen(ptr @hello)
  ret i64 %hello_l
}