mirror of
https://github.com/llvm/llvm-project.git
synced 2025-04-28 01:36:04 +00:00

Summary: Gold plugin does not add pass to ThinLTO modules without useful symbols. In this case ThinLTO can't create corresponding index file and some features, like CFI, cannot be processes by backed correctly without index. Given that we don't need the backed output we can request it to avoid processing the module. This is implemented by this patch using new "SkipModuleByDistributedBackend" flag. Reviewers: pcc, tejohnson Subscribers: mehdi_amini, inglorion, eraman, cfe-commits Differential Revision: https://reviews.llvm.org/D42995 llvm-svn: 325411
22 lines
562 B
LLVM
22 lines
562 B
LLVM
; REQUIRES: x86-registered-target
|
|
|
|
; Check that ThinLTO backend respects "SkipModuleByDistributedBackend"
|
|
; flag which can be set by indexing.
|
|
|
|
; RUN: opt -thinlto-bc -o %t.o %s
|
|
|
|
; RUN: %clang_cc1 -triple x86_64-grtev4-linux-gnu \
|
|
; RUN: -fthinlto-index=%S/Inputs/thinlto-distributed-backend-skip.bc \
|
|
; RUN: -emit-llvm -o - -x ir %t.o | FileCheck %s
|
|
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-grtev4-linux-gnu"
|
|
|
|
; CHECK: "empty"
|
|
; CHECK: target triple =
|
|
; CHECK-NOT: @main
|
|
define i32 @main() {
|
|
entry:
|
|
ret i32 0
|
|
}
|