xref: /llvm-project/llvm/test/CodeGen/WinCFGuard/cfguard-cast.ll (revision ff9af4c43ad71eeba2cabe99609cfaa0fd54c1d0)
1f5d935c1SReid Kleckner; RUN: llc < %s -mtriple=x86_64-pc-windows-msvc | FileCheck %s
2c0214db5SAlvin Wong; RUN: llc < %s -mtriple=x86_64-w64-windows-gnu | FileCheck %s
3f5d935c1SReid Kleckner
4f5d935c1SReid Kleckner; Check how constant function pointer casts are handled.
5f5d935c1SReid Kleckner
6f5d935c1SReid Klecknerdeclare void @unprototyped(...)
7f5d935c1SReid Kleckner
8f5d935c1SReid Klecknerdefine i32 @call_unprototyped() {
9*ff9af4c4SNikita Popov  call void @unprototyped()
10f5d935c1SReid Kleckner  ret i32 0
11f5d935c1SReid Kleckner}
12f5d935c1SReid Kleckner
13f5d935c1SReid Kleckner; CHECK-LABEL: call_unprototyped:
14f5d935c1SReid Kleckner; CHECK: callq unprototyped
15f5d935c1SReid Kleckner; CHECK: xorl %eax, %eax
16f5d935c1SReid Kleckner; CHECK: retq
17f5d935c1SReid Kleckner
18f5d935c1SReid Klecknerdeclare void @escaped_cast()
19f5d935c1SReid Kleckner
20*ff9af4c4SNikita Popovdefine i32 @escape_it_with_cast(ptr %p) {
21*ff9af4c4SNikita Popov  store ptr @escaped_cast, ptr %p
22f5d935c1SReid Kleckner  ret i32 0
23f5d935c1SReid Kleckner}
24f5d935c1SReid Kleckner
25f5d935c1SReid Klecknerdeclare void @dead_constant()
26f5d935c1SReid Kleckner
27f5d935c1SReid Kleckner!llvm.module.flags = !{!0}
28f5d935c1SReid Kleckner!0 = !{i32 2, !"cfguard", i32 1}
29f5d935c1SReid Kleckner
30f5d935c1SReid Kleckner!dead_constant_root = !{!1}
31*ff9af4c4SNikita Popov!1 = !DITemplateValueParameter(name: "dead_constant", value: ptr @dead_constant)
32f5d935c1SReid Kleckner
33f5d935c1SReid Kleckner; CHECK-LABEL: .section .gfids$y,"dr"
34f5d935c1SReid Kleckner; CHECK-NEXT:  .symidx escaped_cast
35f5d935c1SReid Kleckner; CHECK-NOT:   .symidx
36f5d935c1SReid Kleckner
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