1 ; Test that the list of CFI jumptable entries is part of ThinLTO cache key.
3 ; Linking Inputs/cache-icall.ll results in f() being added to CFI jumptable; otherwise it is not.
4 ; This affects code generated for any users of f(). Make sure that we don't pull a stale object
5 ; file for %t.o from the cache.
7 ; RUN: opt -module-hash -module-summary -thinlto-bc -thinlto-split-lto-unit %s -o %t.bc
8 ; RUN: opt -module-hash -module-summary -thinlto-bc -thinlto-split-lto-unit %p/Inputs/cache-icall.ll -o %t2.bc
10 ; RUN: rm -Rf %t.cache && mkdir %t.cache
12 ; RUN: llvm-lto2 run -o %t-no.o %t.bc -cache-dir %t.cache \
13 ; RUN: -r=%t.bc,_start,px \
16 ; RUN: llvm-readelf -s %t-no.o.* | FileCheck %s --check-prefix=SYMBOLS-NO
18 ; RUN: llvm-lto2 run -o %t-yes.o %t.bc %t2.bc -cache-dir %t.cache \
19 ; RUN: -r=%t.bc,_start,px \
23 ; RUN: llvm-readelf -s %t-yes.o.* | FileCheck %s --check-prefix=SYMBOLS-YES
25 ; SYMBOLS-NO-DAG: {{FUNC .* f.cfi_jt$}}
26 ; SYMBOLS-NO-DAG: {{NOTYPE .* UND f.cfi_jt$}}
28 ; SYMBOLS-YES-NOT: f.cfi_jt
29 ; SYMBOLS-YES-DAG: {{FUNC .* f.cfi$}}
30 ; SYMBOLS-YES-DAG: {{NOTYPE .* UND f.cfi$}}
32 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
33 target triple = "x86_64-unknown-linux-gnu"
35 define i8* @_start(void ()* %p) !type !0 {
37 %0 = bitcast void ()* %p to i8*
38 %1 = tail call i1 @llvm.type.test(i8* %0, metadata !"_ZTSFvvE")
39 br i1 %1, label %cont, label %trap
41 trap: ; preds = %entry
42 tail call void @llvm.trap()
45 cont: ; preds = %entry
47 ret i8* bitcast (void ()* @f to i8*)
50 declare i1 @llvm.type.test(i8*, metadata)
51 declare void @llvm.trap()
52 declare !type !1 void @f()
54 !0 = !{i64 0, !"_ZTSFPvPFvvEE"}
55 !1 = !{i64 0, !"_ZTSFvvE"}