You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
56 lines
1.8 KiB
56 lines
1.8 KiB
; Test that the list of CFI jumptable entries is part of ThinLTO cache key.
|
|
|
|
; Linking Inputs/cache-icall.ll results in f() being added to CFI jumptable; otherwise it is not.
|
|
; This affects code generated for any users of f(). Make sure that we don't pull a stale object
|
|
; file for %t.o from the cache.
|
|
|
|
; RUN: opt -module-hash -module-summary -thinlto-bc -thinlto-split-lto-unit %s -o %t.bc
|
|
; RUN: opt -module-hash -module-summary -thinlto-bc -thinlto-split-lto-unit %p/Inputs/cache-icall.ll -o %t2.bc
|
|
|
|
; RUN: rm -Rf %t.cache && mkdir %t.cache
|
|
|
|
; RUN: llvm-lto2 run -o %t-no.o %t.bc -cache-dir %t.cache \
|
|
; RUN: -r=%t.bc,_start,px \
|
|
; RUN: -r=%t.bc,f,
|
|
|
|
; RUN: llvm-readelf -s %t-no.o.* | FileCheck %s --check-prefix=SYMBOLS-NO
|
|
|
|
; RUN: llvm-lto2 run -o %t-yes.o %t.bc %t2.bc -cache-dir %t.cache \
|
|
; RUN: -r=%t.bc,_start,px \
|
|
; RUN: -r=%t.bc,f, \
|
|
; RUN: -r=%t2.bc,f,p
|
|
|
|
; RUN: llvm-readelf -s %t-yes.o.* | FileCheck %s --check-prefix=SYMBOLS-YES
|
|
|
|
; SYMBOLS-NO-DAG: {{FUNC .* f.cfi_jt$}}
|
|
; SYMBOLS-NO-DAG: {{NOTYPE .* UND f.cfi_jt$}}
|
|
|
|
; SYMBOLS-YES-NOT: f.cfi_jt
|
|
; SYMBOLS-YES-DAG: {{FUNC .* f.cfi$}}
|
|
; SYMBOLS-YES-DAG: {{NOTYPE .* UND f.cfi$}}
|
|
|
|
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
define i8* @_start(void ()* %p) !type !0 {
|
|
entry:
|
|
%0 = bitcast void ()* %p to i8*
|
|
%1 = tail call i1 @llvm.type.test(i8* %0, metadata !"_ZTSFvvE")
|
|
br i1 %1, label %cont, label %trap
|
|
|
|
trap: ; preds = %entry
|
|
tail call void @llvm.trap()
|
|
unreachable
|
|
|
|
cont: ; preds = %entry
|
|
tail call void %p()
|
|
ret i8* bitcast (void ()* @f to i8*)
|
|
}
|
|
|
|
declare i1 @llvm.type.test(i8*, metadata)
|
|
declare void @llvm.trap()
|
|
declare !type !1 void @f()
|
|
|
|
!0 = !{i64 0, !"_ZTSFPvPFvvEE"}
|
|
!1 = !{i64 0, !"_ZTSFvvE"}
|