xref: /llvm-project/llvm/test/Transforms/InstCombine/memset_chk-2.ll (revision 4ab40eca080965c65802710e39adbb78c4ce7bde) 
1; Test that lib call simplification doesn't simplify __memset_chk calls
2; with the wrong prototype.
3;
4; RUN: opt < %s -passes=instcombine -S | FileCheck %s
5
6target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
7
8%struct.T = type { [100 x i32], [100 x i32], [1024 x i8] }
9@t = common global %struct.T zeroinitializer
10
11define void @test_no_simplify() {
12; CHECK-LABEL: @test_no_simplify(
13
14; CHECK-NEXT: call ptr @__memset_chk
15  call ptr @__memset_chk(ptr @t, i32 0, i64 1824)
16  ret void
17}
18
19declare ptr @__memset_chk(ptr, i32, i64)
20