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llvm-project/lld/test/ELF/pr34872.s

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[lld] Add REQUIRES: x86 where needed to tests If building lld without x86 support, tests that require that support should be treated as unsupported, not errors. Tested using: 1. cmake '-DLLVM_TARGETS_TO_BUILD=AArch64;X86' make check-lld => Expected Passes : 1406 Unsupported Tests : 287 2. cmake '-DLLVM_TARGETS_TO_BUILD=AArch64' make check-lld => Expected Passes : 410 Unsupported Tests : 1283 Patch by Joel Jones Differential Revision: https://reviews.llvm.org/D47748 llvm-svn: 334095
2018-06-06 21:56:51 +08:00
# REQUIRES: x86
[ELF] Try to not emit weird diagnostics on undefined symbols. Fixes PR34872. Differential Revision: https://reviews.llvm.org/D38712 llvm-svn: 315487
2017-10-12 02:37:24 +08:00
# RUN: llvm-mc %s -filetype=obj -triple=x86_64-pc-linux -o %t.o
# RUN: llvm-mc %p/Inputs/undefined-error.s -filetype=obj \
# RUN: -triple=x86_64-pc-linux -o %t2.o
# RUN: ld.lld -shared %t2.o -o %t2.so
[ELF] Default to --no-allow-shlib-undefined for executables Summary: This follows the ld.bfd/gold behavior. The error check is useful as it captures a common type of ld.so undefined symbol errors as link-time errors: // a.cc => a.so (not linked with -z defs) void f(); // f is undefined void g() { f(); } // b.cc => executable with a DT_NEEDED entry on a.so void g(); int main() { g(); } // ld.so errors when g() is executed (lazy binding) or when the program is started (-z now) // symbol lookup error: ... undefined symbol: f Reviewers: ruiu, grimar, pcc, espindola Reviewed By: ruiu Subscribers: llvm-commits, emaste, arichardson Tags: #llvm Differential Revision: https://reviews.llvm.org/D57569 llvm-svn: 352943
2019-02-02 08:34:28 +08:00
# RUN: not ld.lld --allow-shlib-undefined %t2.so %t.o -o /dev/null 2>&1 | FileCheck %s
[ELF] Try to not emit weird diagnostics on undefined symbols. Fixes PR34872. Differential Revision: https://reviews.llvm.org/D38712 llvm-svn: 315487
2017-10-12 02:37:24 +08:00
# CHECK: undefined symbol: fmod
# Check we're not emitting other diagnostics for this symbol.
# CHECK-NOT: fmod
.global main
main:
callq fmod