1 ; Test that the list of CFI jumptable entries is part of ThinLTO cache key. 2 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. 6 7 ; RUN: opt -module-hash -module-summary -thinlto-bc %s -o %t.bc 8 ; RUN: opt -module-hash -module-summary -thinlto-bc %p/Inputs/cache-icall.ll -o %t2.bc 9 10 ; RUN: rm -Rf %t.cache && mkdir %t.cache 11 12 ; RUN: llvm-lto2 run -o %t-no.o %t.bc -cache-dir %t.cache \ 13 ; RUN: -r=%t.bc,_start,px \ 14 ; RUN: -r=%t.bc,f, 15 16 ; RUN: llvm-readelf -symbols %t-no.o.* | FileCheck %s --check-prefix=SYMBOLS-NO 17 18 ; RUN: llvm-lto2 run -o %t-yes.o %t.bc %t2.bc -cache-dir %t.cache \ 19 ; RUN: -r=%t.bc,_start,px \ 20 ; RUN: -r=%t.bc,f, \ 21 ; RUN: -r=%t2.bc,f,p 22 23 ; RUN: llvm-readelf -symbols %t-yes.o.* | FileCheck %s --check-prefix=SYMBOLS-YES 24 25 ; SYMBOLS-NO-DAG: {{FUNC .* f.cfi_jt$}} 26 ; SYMBOLS-NO-DAG: {{NOTYPE .* UND f.cfi_jt$}} 27 28 ; SYMBOLS-YES-NOT: f.cfi_jt 29 ; SYMBOLS-YES-DAG: {{FUNC .* f.cfi$}} 30 ; SYMBOLS-YES-DAG: {{NOTYPE .* UND f.cfi$}} 31 32 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 33 target triple = "x86_64-unknown-linux-gnu" 34 35 define i8* @_start(void ()* %p) !type !0 { 36 entry: 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 40 41 trap: ; preds = %entry 42 tail call void @llvm.trap() 43 unreachable 44 45 cont: ; preds = %entry 46 tail call void %p() 47 ret i8* bitcast (void ()* @f to i8*) 48 } 49 50 declare i1 @llvm.type.test(i8*, metadata) 51 declare void @llvm.trap() 52 declare !type !1 void @f() 53 54 !0 = !{i64 0, !"_ZTSFPvPFvvEE"} 55 !1 = !{i64 0, !"_ZTSFvvE"} 56
