derek.holloway
7502bf64a4
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107 lines
4.5 KiB
LLVM
107 lines
4.5 KiB
LLVM
; REQUIRES: x86
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; RUN: rm -rf %t; split-file %s %t
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; RUN: opt -module-summary %t/defined.ll -o %t/defined.o
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; RUN: opt -module-summary %t/weak-defined.ll -o %t/weak-defined.o
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; RUN: opt -module-summary %t/archive.ll -o %t/archive.o
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; RUN: opt -module-summary %t/calls-foo.ll -o %t/calls-foo.o
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; RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/weak-defined.s -o %t/weak-defined-asm.o
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; RUN: %lld -lSystem -dylib %t/defined.o -o %t/libfoo.dylib
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; RUN: %lld -lSystem -dylib %t/weak-defined.o -o %t/libweakfoo.dylib
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; RUN: llvm-ar rcs %t/archive.a %t/archive.o
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;; Regular defined symbols take precedence over weak ones.
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; RUN: %lld -lSystem %t/defined.o %t/weak-defined.o %t/calls-foo.o -o %t/test
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; RUN: llvm-objdump --syms %t/test | FileCheck %s --check-prefix=DEFINED
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; RUN: %lld -lSystem %t/weak-defined.o %t/defined.o %t/calls-foo.o -o %t/test
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; RUN: llvm-objdump --syms %t/test | FileCheck %s --check-prefix=DEFINED
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;; Regular defined symbols take precedence over weak non-bitcode ones.
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; RUN: %lld -lSystem %t/defined.o %t/weak-defined-asm.o %t/calls-foo.o -o %t/test
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; RUN: llvm-objdump --syms %t/test | FileCheck %s --check-prefix=DEFINED
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; RUN: %lld -lSystem %t/weak-defined-asm.o %t/defined.o %t/calls-foo.o -o %t/test
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; RUN: llvm-objdump --syms %t/test | FileCheck %s --check-prefix=DEFINED
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;; NOTE: we are deviating from ld64's behavior here.
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;; ld64: Weak non-bitcode symbols take precedence over weak bitcode ones.
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;; lld: Weak non-bitcode symbols have the same precedence as weak bitcode ones.
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; RUN: %lld -lSystem %t/weak-defined.o %t/weak-defined-asm.o %t/calls-foo.o -o %t/test
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; RUN: llvm-objdump --syms %t/test | FileCheck %s --check-prefix=WEAK-DEFINED
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; COM (ld64): llvm-objdump --syms %t/test | FileCheck %s --check-prefix=WEAK-DEFINED-ASM
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; RUN: %lld -lSystem %t/weak-defined-asm.o %t/weak-defined.o %t/calls-foo.o -o %t/test
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; RUN: llvm-objdump --syms %t/test | FileCheck %s --check-prefix=WEAK-DEFINED-ASM
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;; Weak defined symbols take precedence over dylib symbols.
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; RUN: %lld -lSystem %t/weak-defined.o %t/libfoo.dylib %t/calls-foo.o -o %t/test
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; RUN: llvm-objdump --syms %t/test | FileCheck %s --check-prefix=WEAK-DEFINED
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; RUN: %lld -lSystem %t/libfoo.dylib %t/weak-defined.o %t/calls-foo.o -o %t/test
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; RUN: llvm-objdump --syms %t/test | FileCheck %s --check-prefix=WEAK-DEFINED
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;; Weak defined symbols take precedence over archive symbols.
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; RUN: %lld -lSystem %t/archive.a %t/weak-defined.o %t/calls-foo.o -o %t/test
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; RUN: llvm-objdump --syms %t/test | FileCheck %s --check-prefix=WEAK-DEFINED
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; RUN: %lld -lSystem %t/weak-defined.o %t/archive.a %t/calls-foo.o -o %t/test
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; RUN: llvm-objdump --syms %t/test | FileCheck %s --check-prefix=WEAK-DEFINED
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;; Archive symbols have the same precedence as dylib symbols.
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; RUN: %lld -lSystem %t/archive.a %t/libfoo.dylib %t/calls-foo.o -o %t/test
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; RUN: llvm-objdump --syms %t/test | FileCheck %s --check-prefix=ARCHIVE
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; RUN: %lld -lSystem %t/libfoo.dylib %t/archive.a %t/calls-foo.o -o %t/test
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; RUN: llvm-objdump --syms %t/test | FileCheck %s --check-prefix=DYLIB
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;; Archive symbols take precedence over weak dylib symbols.
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; RUN: %lld -lSystem %t/archive.a %t/libweakfoo.dylib %t/calls-foo.o -o %t/test
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; RUN: llvm-objdump --syms %t/test | FileCheck %s --check-prefix=ARCHIVE
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; RUN: %lld -lSystem %t/libweakfoo.dylib %t/archive.a %t/calls-foo.o -o %t/test
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; RUN: llvm-objdump --syms %t/test | FileCheck %s --check-prefix=ARCHIVE
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; DEFINED: g O __TEXT,defined _foo
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; WEAK-DEFINED: w O __TEXT,weak_defined _foo
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; WEAK-DEFINED-ASM: w O __TEXT,weak_defined_asm _foo
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; ARCHIVE: g O __TEXT,archive _foo
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; DYLIB: *UND* _foo
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;--- defined.ll
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target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.15.0"
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define void @foo() section "__TEXT,defined" {
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ret void
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}
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;--- weak-defined.ll
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target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.15.0"
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define weak void @foo() section "__TEXT,weak_defined" {
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ret void
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}
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;--- weak-defined.s
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.globl _foo
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.weak_definition _foo
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.section __TEXT,weak_defined_asm
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_foo:
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;--- archive.ll
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target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.15.0"
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define void @foo() section "__TEXT,archive" {
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ret void
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}
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;--- calls-foo.ll
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target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.15.0"
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declare void @foo()
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define void @main() {
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call void @foo()
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ret void
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}
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