xref: /llvm-project/llvm/test/Transforms/InstCombine/strcpy-2.ll (revision 4ab40eca080965c65802710e39adbb78c4ce7bde)
1; Test that the strcpy 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;
6; This transformation requires the pointer size, as it assumes that size_t is
7; the size of a pointer.
8target 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-n8:16:32"
9
10@hello = constant [6 x i8] c"hello\00"
11@a = common global [32 x i8] zeroinitializer, align 1
12
13; Expected type: ptr @strcpy(ptr, ptr)
14declare i16 @strcpy(ptr, ptr)
15
16define void @test_no_simplify1() {
17; CHECK-LABEL: @test_no_simplify1(
18
19
20  call i16 @strcpy(ptr @a, ptr @hello)
21; CHECK: call i16 @strcpy
22  ret void
23}
24