| ;; Test to ensure that we don't assert when checking variable importing |
| ;; correctness for read only variables where the importing module contains |
| ;; a linkonce_odr copy of the variable. In that case we do not need to |
| ;; import the read only variable even when it has been exported from its |
| ;; original module (in this case when we decided to import @bar). |
| |
| ; RUN: split-file %s %t |
| ; RUN: opt -module-summary %t/foo.ll -o %t/foo.o |
| ; RUN: opt -module-summary %t/bar.ll -o %t/bar.o |
| ; RUN: llvm-lto2 run %t/foo.o %t/bar.o -r=%t/foo.o,foo,pl -r=%t/foo.o,bar,l -r=%t/foo.o,qux,pl -r=%t/bar.o,bar,pl -r=%t/bar.o,qux, -o %t.out -save-temps |
| ; RUN: llvm-dis %t.out.1.3.import.bc -o - | FileCheck %s |
| |
| ;; Check that we have internalized @qux (since it is read only), and imported @bar. |
| ; CHECK: @qux = internal global i32 0 |
| ; CHECK: define available_externally hidden void @bar() |
| |
| ;--- foo.ll |
| |
| 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" |
| |
| @qux = linkonce_odr hidden global i32 0 |
| |
| define linkonce_odr hidden void @foo() { |
| call void @bar() |
| ret void |
| } |
| |
| declare hidden void @bar() |
| |
| ;--- bar.ll |
| |
| 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" |
| |
| @qux = linkonce_odr hidden global i32 0 |
| |
| define hidden void @bar() { |
| %1 = load i32, i32* @qux, align 8 |
| ret void |
| } |