1; RUN: opt -lowertypetests -lowertypetests-summary-action=import -lowertypetests-read-summary=%p/Inputs/cfi-direct-call.yaml %s -S | FileCheck %s
2
3target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
4target triple = "x86_64-unknown-linux"
5
6declare void @external_decl()
7declare void @external_nodecl()
8;declare void @internal_default_def()
9declare hidden void @internal_hidden_def()
10
11define i8 @local_a() {
12  call void @external_decl()
13  call void @external_nodecl()
14  call void @internal_default_def()
15  call void @internal_hidden_def()
16  call void @dsolocal_default_def()
17  call void @local_b()
18  ret i8 1
19}
20
21define dso_local void @dsolocal_default_def() {
22  ret void
23}
24
25define void @internal_default_def() {
26  ret void
27}
28
29define void @local_b() {
30  ret void
31}
32
33; CHECK: define i8 @local_a() {
34
35; Even though a jump table entry is generated, the call goes directly
36; to the function
37; CHECK-NEXT:   call void @external_decl()
38
39; External call with no CFI decl - no action
40; CHECK-NEXT:   call void @external_nodecl()
41
42; Internal function with default visibility gets routed through the jump table
43; as it may be overriden at run time.
44; CHECK-NEXT:   call void @internal_default_def()
45
46; Internal function with hidden visibility defined outside the module
47; generates a jump table entry and is renamed to *.cfi: route direct call
48; to the actual function, not jump table
49; CHECK-NEXT:   call void @internal_hidden_def.cfi()
50
51; dso_local function with defailt visibility can be short-circuited
52; CHECK-NEXT:   call void @dsolocal_default_def.cfi()
53
54; Local call - no action
55; CHECK-NEXT:   call void @local_b
56
57; CHECK-NEXT:   ret i8 1
58
59; CHECK: declare hidden void @internal_hidden_def.cfi()
60; CHECK: declare hidden void @external_decl.cfi_jt()
61