| ; REQUIRES: x86 |
| ; RUN: rm -rf %t; split-file %s %t |
| |
| ;; Test that a weak symbol in a direct .o file wins over |
| ;; a weak symbol in a .a file. |
| ;; Like weak-definition-in-main-file.s, but in bitcode. |
| |
| ; RUN: llvm-as %t/test.ll -o %t/test.o |
| ; RUN: llvm-as %t/weakfoo.ll -o %t/weakfoo.o |
| |
| ; RUN: llvm-ar --format=darwin rcs %t/weakfoo.a %t/weakfoo.o |
| |
| ; PREFER-DIRECT-OBJECT-NOT: O __TEXT,weak _foo |
| |
| ; RUN: %lld -lSystem -o %t/out %t/weakfoo.a %t/test.o |
| ; RUN: llvm-objdump --syms %t/out | FileCheck %s --check-prefix=PREFER-DIRECT-OBJECT |
| |
| ;--- weakfoo.ll |
| target triple = "x86_64-apple-macosx10.15.0" |
| target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| |
| define void @baz() noinline optnone { |
| ret void |
| } |
| |
| define weak void @foo() noinline optnone section "__TEXT,weak" { |
| ret void |
| } |
| |
| ;--- test.ll |
| target triple = "x86_64-apple-macosx10.15.0" |
| target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| |
| declare void @baz(); |
| |
| define weak void @foo() noinline optnone { |
| ret void |
| } |
| |
| define void @main() { |
| ; This pulls in weakfoo.a due to the __baz undef, but __foo should |
| ; still be resolved against the weak symbol in this file. |
| call void @baz() |
| call void @foo() |
| ret void |
| } |