| ; REQUIRES: x86 |
| |
| ;; Check that we internalize bitcode symbols (only) where possible, i.e. when |
| ;; they are not referenced by undefined symbols originating from non-bitcode |
| ;; files. |
| |
| ; RUN: rm -rf %t; split-file %s %t |
| ; RUN: llvm-as %t/test.s -o %t/test.o |
| ; RUN: llvm-as %t/baz.s -o %t/baz.o |
| ; RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/regular.s -o %t/regular.o |
| ; RUN: %lld -lSystem %t/test.o %t/baz.o %t/regular.o -o %t/test -save-temps |
| ; RUN: llvm-dis < %t/test.0.2.internalize.bc | FileCheck %s |
| ; RUN: llvm-objdump --macho --syms %t/test | FileCheck %s --check-prefix=SYMTAB |
| |
| ;; Check that main is not internalized. This covers the case of bitcode symbols |
| ;; referenced by undefined symbols that don't belong to any InputFile. |
| ; CHECK: define void @main() |
| |
| ;; Check that the foo and bar functions are correctly internalized. |
| ; CHECK: define internal void @bar() |
| ; CHECK: define internal void @foo() |
| |
| ;; Check that a bitcode symbol that is referenced by a regular object file isn't |
| ;; internalized. |
| ; CHECK: define void @used_in_regular_obj() |
| |
| ;; Check that a bitcode symbol that is defined in another bitcode file gets |
| ;; internalized. |
| ; CHECK: define internal void @baz() |
| |
| ; Check foo and bar are not emitted to the .symtab |
| ; SYMTAB-LABEL: SYMBOL TABLE: |
| ; SYMTAB-NEXT: g F __TEXT,__text _main |
| ; SYMTAB-NEXT: g F __TEXT,__text _used_in_regular_obj |
| ; SYMTAB-NEXT: g F __TEXT,__text __mh_execute_header |
| ; SYMTAB-NEXT: *UND* dyld_stub_binder |
| ; SYMTAB-EMPTY: |
| |
| ;--- test.s |
| 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 void @main() { |
| call void @bar() |
| call void @baz() |
| ret void |
| } |
| |
| define void @bar() { |
| ret void |
| } |
| |
| define hidden void @foo() { |
| ret void |
| } |
| |
| define void @used_in_regular_obj() { |
| ret void |
| } |
| |
| ;--- baz.s |
| 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() { |
| ret void |
| } |
| |
| ;--- regular.s |
| .data |
| .quad _used_in_regular_obj |