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Implement precompiled headers for C++ #6342

Closed llvmbot closed 14 years ago

llvmbot commented 14 years ago
Bugzilla Link 5970
Resolution FIXED
Resolved on Sep 12, 2010 00:27
Version unspecified
OS Linux
Reporter LLVM Bugzilla Contributor
CC @DougGregor

Extended Description

input.C -------------------------->>> class GenericClass; struct AlsaDriver { virtual int _read (unsigned nframes); }; typedef void (GenericClass::*GenericMemFuncType) (); GenericMemFuncType m_pFunction; void AlsaDriver1 () { m_pFunction = reinterpret_cast < GenericMemFuncType > (&AlsaDriver::_read); } --------------------------<<<<

Clang output: $ ./llvm_new/Debug/bin/clang -v -emit-ast ./input.C clang version 1.1 (trunk 92264) Target: x86_64-unknown-linux-gnu Thread model: posix "/home/restless/uni/compilatori/llvm_new/Debug/bin/clang" -cc1 -triple x86_64-unknown-linux-gnu -emit-pch -disable-free -main-file-name input.C -mrelocation-model static -mdisable-fp-elim -munwind-tables -target-cpu x86-64 -v -resource-dir /home/restless/uni/compilatori/llvm_new/Debug/lib/clang/1.1 -fmessage-length 0 -fexceptions -fgnu-runtime -fdiagnostics-show-option -o input.ast -x c++ ./input.C clang -cc1 version 1.1 based upon llvm 2.7svn hosted on x86_64-unknown-linux-gnu ignoring nonexistent directory "/usr/include/c++/4.4.2/x86_64-pc-linux-gnu/" [..Omissis..] ignoring duplicate directory "/usr/include/c++/4.4.2" [..Omissis..]

include "..." search starts here:

include <...> search starts here:

/home/restless/uni/compilatori/llvm_new/Debug/lib/clang/1.1/include /usr/include/c++/4.4.2 /usr/include/c++/4.4.2/backward /usr/local/include /usr/include End of search list. clang: PCHWriterStmt.cpp:842: void clang::PCHWriter::WriteSubStmt(clang::Stmt*): Assertion `Writer.Code != pch::STMT_NULL_PTR && "Unhandled expression writing PCH file"' failed. 0 clang 0x00000000012b82b6 1 clang 0x00000000012b812f 2 libpthread.so.0 0x00007ff916c59e80 3 libc.so.6 0x00007ff915f7b035 gsignal + 53 4 libc.so.6 0x00007ff915f7c460 abort + 384 5 libc.so.6 0x00007ff915f74151 __assert_fail + 241 6 clang 0x00000000004a6b6d 7 clang 0x00000000004a4a22 8 clang 0x00000000004a814f 9 clang 0x00000000004a704f 10 clang 0x00000000004a6b46 11 clang 0x00000000004a2e62 12 clang 0x00000000004a73eb 13 clang 0x00000000004a6c9f 14 clang 0x00000000004a0a7c 15 clang 0x000000000048aa04 16 clang 0x000000000042e5fc 17 clang 0x000000000075db75 18 clang 0x000000000042a566 19 clang 0x000000000042a1f4 20 clang 0x000000000040ad24 21 clang 0x000000000040f3dc main + 244 22 libc.so.6 0x00007ff915f67b6d __libc_start_main + 253 23 clang 0x0000000000409769 Stack dump:

  1. Program arguments: /home/restless/uni/compilatori/llvm_new/Debug/bin/clang -cc1 -triple x86_64-unknown-linux-gnu -emit-pch -disable-free -main-file-name input.C -mrelocation-model static -mdisable-fp-elim -munwind-tables -target-cpu x86-64 -v -resource-dir /home/restless/uni/compilatori/llvm_new/Debug/lib/clang/1.1 -fmessage-length 0 -fexceptions -fgnu-runtime -fdiagnostics-show-option -o input.ast -x c++ ./input.C
  2. parser at end of file clang: error: compiler command failed due to signal 6 (use -v to see invocation)
DougGregor commented 14 years ago

Precompiled headers are now implemented for C++.

lattner commented 14 years ago

AST writer / PCH support isn't wired up yet for C++ AST nodes.