llvm-mirror/test/ThinLTO/X86/cfi-icall.ll
Vitaly Buka f35a8dc055 [ThinLTO/CFI] Include TYPE_ID summaries into GLOBALVAL_SUMMARY_BLOCK
Summary:
TypeID summaries are used by CFI and need to be serialized by ThinLTO
indexing for later use by LTO Backend.

Reviewers: tejohnson, pcc

Subscribers: mehdi_amini, inglorion, eraman, hiraditya, llvm-commits

Differential Revision: https://reviews.llvm.org/D42611

llvm-svn: 325182
2018-02-14 22:41:15 +00:00

31 lines
991 B
LLVM

; RUN: opt -thinlto-bc %s -o %t1.bc
; RUN: llvm-lto2 run -thinlto-distributed-indexes %t1.bc -o %t.out -save-temps \
; RUN: -r %t1.bc,foo,plx \
; RUN: -r %t1.bc,bar,x
; RUN: llvm-bcanalyzer -dump %t.out.index.bc | FileCheck %s --check-prefix=COMBINED
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
define i1 @foo(i8* %p) !type !0 {
entry:
%x = call i1 @llvm.type.test(i8* %p, metadata !"typeid1")
ret i1 %x
}
declare !type !0 void @bar()
declare i1 @llvm.type.test(i8* %ptr, metadata %type) nounwind readnone
!0 = !{i64 0, !"typeid1"}
; COMBINED: <GLOBALVAL_SUMMARY_BLOCK
; COMBINED: <CFI_FUNCTION_DEFS op0=0 op1=3/>
; COMBINED: <CFI_FUNCTION_DECLS op0=3 op1=3/>
; COMBINED: <TYPE_ID op0=6 op1=7 op2=4 op3=7 op4=0 op5=0 op6=0 op7=0/>
; COMBINED: </GLOBALVAL_SUMMARY_BLOCK>
; COMBINED: <STRTAB_BLOCK
; COMBINED-NEXT: <BLOB abbrevid=4/> blob data = 'foobartypeid1'
; COMBINED-NEXT: </STRTAB_BLOCK>