xref: /llvm-project/llvm/test/Transforms/InstCombine/strlen-2.ll (revision dc2b66b8d6032dbc5e5dd7ee86e4fa7dd9cf0b9b)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; Test that the strlen library call simplifier works correctly.
3;
4; RUN: opt < %s -passes=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@hello = constant [6 x i8] c"hello\00"
9
10declare i32 @strlen(ptr, i32)
11
12define i32 @test_no_simplify1() {
13; CHECK-LABEL: @test_no_simplify1(
14; CHECK-NEXT:    [[HELLO_L:%.*]] = call i32 @strlen(ptr nonnull @hello, i32 187)
15; CHECK-NEXT:    ret i32 [[HELLO_L]]
16;
17  %hello_l = call i32 @strlen(ptr @hello, i32 187)
18  ret i32 %hello_l
19}
20