xref: /llvm-project/llvm/test/LTO/X86/unified-cfi.ll (revision 23db37c51cd3dcdcf069345aa7fab7d84b6f6f6e)
1; Test for the expected CFI codegen in a module with CFI metadata.
2; RUN: opt -unified-lto -thinlto-bc -o %t0.o %s
3; RUN: llvm-lto --exported-symbol=main -filetype=asm -o - %t0.o | FileCheck %s
4
5; CHECK-LABEL: main
6
7; CHECK: jbe
8; CHECK-NEXT: ud2
9
10; ModuleID = 'llvm/test/LTO/X86/unified-cfi.ll'
11source_filename = "cfi.cpp"
12target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
13target triple = "x86_64-scei-ps4"
14
15@func = hidden global [3 x i32 ()*] [i32 ()* @_Z1av, i32 ()* @_Z1bv, i32 ()* @_Z1cv], align 16
16@.src = private unnamed_addr constant [8 x i8] c"cfi.cpp\00", align 1
17@anon.9260195284c792ab5c6ef4d97bfcf95d.0 = private unnamed_addr constant { i16, i16, [9 x i8] } { i16 -1, i16 0, [9 x i8] c"'int ()'\00" }
18
19; Function Attrs: noinline nounwind optnone sspstrong uwtable
20define hidden i32 @_Z1av() #0 !type !3 !type !4 {
21entry:
22  ret i32 1
23}
24
25; Function Attrs: noinline nounwind optnone sspstrong uwtable
26define hidden i32 @_Z1bv() #0 !type !3 !type !4 {
27entry:
28  ret i32 2
29}
30
31; Function Attrs: noinline nounwind optnone sspstrong uwtable
32define hidden i32 @_Z1cv() #0 !type !3 !type !4 {
33entry:
34  ret i32 3
35}
36
37; Function Attrs: noinline norecurse nounwind optnone sspstrong uwtable
38define hidden i32 @main(i32 %argc, i8** %argv) #1 !type !5 !type !6 {
39entry:
40  %retval = alloca i32, align 4
41  %argc.addr = alloca i32, align 4
42  %argv.addr = alloca i8**, align 8
43  store i32 0, i32* %retval, align 4
44  store i32 %argc, i32* %argc.addr, align 4
45  store i8** %argv, i8*** %argv.addr, align 8
46  %0 = load i32, i32* %argc.addr, align 4
47  %idxprom = sext i32 %0 to i64
48  %arrayidx = getelementptr inbounds [3 x i32 ()*], [3 x i32 ()*]* @func, i64 0, i64 %idxprom
49  %1 = load i32 ()*, i32 ()** %arrayidx, align 8
50  %2 = bitcast i32 ()* %1 to i8*, !nosanitize !7
51  %3 = call i1 @llvm.type.test(i8* %2, metadata !"_ZTSFivE"), !nosanitize !7
52  br i1 %3, label %cont, label %trap, !nosanitize !7
53
54trap:                                             ; preds = %entry
55  call void @llvm.trap() #4, !nosanitize !7
56  unreachable, !nosanitize !7
57
58cont:                                             ; preds = %entry
59  %call = call i32 %1()
60  ret i32 %call
61}
62
63; Function Attrs: nofree nosync nounwind readnone speculatable willreturn
64declare i1 @llvm.type.test(i8*, metadata) #2
65
66; Function Attrs: cold noreturn nounwind
67declare void @llvm.trap() #3
68
69attributes #0 = { noinline nounwind optnone sspstrong uwtable }
70attributes #1 = { noinline norecurse nounwind optnone sspstrong uwtable }
71attributes #2 = { nofree nosync nounwind readnone speculatable willreturn }
72attributes #3 = { cold noreturn nounwind }
73attributes #4 = { noreturn nounwind }
74
75!llvm.module.flags = !{!0, !1}
76!llvm.ident = !{!2}
77
78!0 = !{i32 1, !"wchar_size", i32 2}
79!1 = !{i32 7, !"PIC Level", i32 2}
80!2 = !{!"clang version 7.0.0 (PS4 clang version 99.99.0.1562 432a534f checking)"}
81!3 = !{i64 0, !"_ZTSFivE"}
82!4 = !{i64 0, !"_ZTSFivE.generalized"}
83!5 = !{i64 0, !"_ZTSFiiPPcE"}
84!6 = !{i64 0, !"_ZTSFiiPvE.generalized"}
85!7 = !{}
86