xref: /llvm-project/llvm/test/Transforms/InstCombine/strcat-3.ll (revision 4ab40eca080965c65802710e39adbb78c4ce7bde)
1; Test that the strcat folder avoids simplifying a call to the function
2; declared with an incompatible type.
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@empty = constant [1 x i8] c"\00"
10@a = common global [32 x i8] zeroinitializer, align 1
11
12; Expected type: ptr @strcat(ptr, ptr).
13declare i16 @strcat(ptr, ptr)
14
15define void @test_nosimplify1() {
16; CHECK-LABEL: @test_nosimplify1(
17; CHECK: call i16 @strcat
18; CHECK: ret void
19
20  call i16 @strcat(ptr @a, ptr @hello)
21  ret void
22}
23