xref: /llvm-project/llvm/test/Transforms/InstCombine/wcslen-2.ll (revision 4ab40eca080965c65802710e39adbb78c4ce7bde)
1; Test that the wcslen library call simplifier works correctly.
2;
3; RUN: opt < %s -passes=instcombine -S | FileCheck %s
4
5target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
6
7!0 = !{i32 1, !"wchar_size", i32 4}
8!llvm.module.flags = !{!0}
9
10@hello = constant [6 x i32] [i32 104, i32 101, i32 108, i32 108, i32 111, i32 0]
11
12declare i64 @wcslen(ptr, i32)
13
14define i64 @test_no_simplify1() {
15; CHECK-LABEL: @test_no_simplify1(
16  %hello_l = call i64 @wcslen(ptr @hello, i32 187)
17; CHECK-NEXT: %hello_l = call i64 @wcslen
18  ret i64 %hello_l
19; CHECK-NEXT: ret i64 %hello_l
20}
21