| # REQUIRES: x86 |
| |
| # RUN: rm -rf %t; split-file %s %t && cd %t |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin main.s -o main.o |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin calls-foo.s -o calls-foo.o |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin 1.s -o 1.o |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin 2.s -o 2.o |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin common.s -o common.o |
| |
| # RUN: llvm-as 1.ll -o 1.bc |
| # RUN: llvm-as 2.ll -o 2.bc |
| |
| ## Neither 1.o nor 2.o is loaded. |
| # RUN: %lld main.o --start-lib 1.o 2.o --end-lib -why_load | count 0 |
| # RUN: %lld main.o --start-lib -filelist filelist --end-lib -why_load | count 0 |
| # RUN: llvm-readobj -s a.out | FileCheck %s |
| # CHECK-NOT: Name: _foo |
| # CHECK-NOT: Name: _bar |
| |
| ## _bar loads 2.o. The last --end-lib can be omitted. |
| # RUN: %lld main.o -u _bar --start-lib 1.o 2.o -t -why_load | FileCheck %s --check-prefix=CHECK2WHY |
| # RUN: %lld main.o -u _bar --start-lib -filelist filelist -t -why_load | FileCheck %s --check-prefix=CHECK2WHY |
| # RUN: llvm-readobj -s a.out | FileCheck --check-prefix=CHECK2 %s |
| # CHECK2WHY: main.o |
| # CHECK2WHY-NEXT: 2.o |
| # CHECK2WHY-NEXT: _bar forced load of 2.o |
| # CHECK2WHY-EMPTY: |
| # CHECK2-NOT: Name: _foo |
| # CHECK2: Name: _bar |
| # CHECK2-NOT: Name: _foo |
| |
| ## _foo loads 1.o. 1.o loads 2.o. |
| # RUN: %lld main.o -u _foo --start-lib 1.o 2.o -why_load | FileCheck %s --check-prefix=CHECK3WHY |
| # RUN: llvm-readobj -s a.out | FileCheck --check-prefix=CHECK3 %s |
| # RUN: %lld main.o -u _foo --start-lib 2.o --end-lib --start-lib 1.o -why_load | FileCheck %s --check-prefix=CHECK3WHY |
| # RUN: llvm-readobj -s a.out | FileCheck --check-prefix=CHECK3 %s |
| # CHECK3WHY: _foo forced load of 1.o |
| # CHECK3WHY-NEXT: _bar forced load of 2.o |
| # CHECK3WHY-EMPTY: |
| # CHECK3-DAG: Name: _foo |
| # CHECK3-DAG: Name: _bar |
| |
| ## Don't treat undefined _bar in 1.o as a lazy definition. |
| # RUN: not %lld main.o -u _bar --start-lib 1.o 2>&1 | FileCheck %s --check-prefix=CHECK4 |
| # CHECK4: error: undefined symbol: _bar |
| |
| # RUN: %lld main.o -u _common --start-lib common.o |
| # RUN: llvm-readobj -s a.out | FileCheck %s --check-prefix=COMMON1 |
| # COMMON1: Name: _common |
| |
| # RUN: %lld main.o --start-lib common.o |
| # RUN: llvm-readobj -s a.out | FileCheck %s --check-prefix=COMMON2 |
| # COMMON2-NOT: Name: _common |
| |
| ## Neither 1.bc nor 2.bc is loaded. |
| # RUN: %lld main.o --start-lib 1.bc 2.bc -why_load | count 0 |
| # RUN: llvm-readobj -s a.out | FileCheck %s --check-prefix=BITCODE |
| # BITCODE-NOT: Name: _foo |
| # BITCODE-NOT: Name: _bar |
| |
| ## _bar loads 2.bc. |
| # RUN: %lld main.o -u _bar --start-lib 1.bc 2.bc -why_load | FileCheck %s --check-prefix=BITCODE2WHY |
| # RUN: llvm-readobj -s a.out | FileCheck %s --check-prefix=BITCODE2 |
| # BITCODE2WHY: _bar forced load of 2.bc |
| # BITCODE2WHY-EMPTY: |
| # BITCODE2-NOT: Name: _foo |
| # BITCODE2: Name: _bar |
| # BITCODE2-NOT: Name: _foo |
| |
| ## calls-foo.o loads 1.bc. 1.bc loads 2.bc. |
| # RUN: %lld calls-foo.o --start-lib 1.bc 2.bc -why_load | FileCheck %s --check-prefix=BITCODE3WHY |
| # RUN: llvm-readobj -s a.out | FileCheck --check-prefix=BITCODE3 %s |
| # RUN: %lld calls-foo.o --start-lib 2.bc --end-lib --start-lib 1.bc -why_load | FileCheck %s --check-prefix=BITCODE3WHY |
| # RUN: llvm-readobj -s a.out | FileCheck --check-prefix=BITCODE3 %s |
| # BITCODE3WHY: _foo forced load of 1.bc |
| # BITCODE3WHY-NEXT: _bar forced load of 2.bc |
| # BITCODE3WHY-EMPTY: |
| # BITCODE3-DAG: Name: _foo |
| |
| # RUN: not %lld main.o --start-lib --start-lib 2>&1 | FileCheck -check-prefix=NESTED-LIB %s |
| # NESTED-LIB: error: nested --start-lib |
| |
| # RUN: not %lld --end-lib 2>&1 | FileCheck %s --check-prefix=STRAY |
| # STRAY: error: stray --end-lib |
| |
| #--- main.s |
| .globl _main |
| _main: |
| |
| #--- calls-foo.s |
| .globl _main |
| _main: |
| call _foo |
| |
| #--- 1.s |
| .globl _foo |
| _foo: |
| call _bar |
| |
| #--- 2.s |
| .globl _bar |
| _bar: |
| ret |
| |
| #--- common.s |
| .comm _common, 1 |
| |
| #--- 1.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 @foo() { |
| tail call void () @bar() |
| ret void |
| } |
| |
| declare void @bar() |
| |
| #--- 2.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 @bar() { |
| ret void |
| } |
| |
| #--- filelist |
| 1.o |
| 2.o |