xref: /llvm-project/llvm/test/Transforms/InstCombine/strncat-3.ll (revision dc2b66b8d6032dbc5e5dd7ee86e4fa7dd9cf0b9b)
1; Test that the strncat folder avoids simplifying a call to the function
2; declared with an incompatible type.
3;
4; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
5; RUN: opt < %s -passes=instcombine -S | FileCheck %s
6
7target 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"
8
9@hello = constant [6 x i8] c"hello\00"
10@empty = constant [1 x i8] c"\00"
11@a = common global [32 x i8] zeroinitializer, align 1
12
13declare i16 @strncat(ptr, ptr, i32)
14
15define void @test_nosimplify1() {
16; CHECK-LABEL: @test_nosimplify1(
17; CHECK-NEXT:    [[TMP1:%.*]] = call i16 @strncat(ptr nonnull @a, ptr nonnull @hello, i32 13)
18; CHECK-NEXT:    ret void
19;
20
21  call i16 @strncat(ptr @a, ptr @hello, i32 13)
22  ret void
23}
24