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* Move all of the logic for __DEPRECATED to the driver based on commentsChandler Carruth2011-04-231-7/+9
| | | | | | from dgregor. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130066 91177308-0d34-0410-b5e6-96231b3b80d8
* Fix Clang's __DEPRECATED define to be controled by -Wdeprecated. ThisChandler Carruth2011-04-231-0/+8
| | | | | | | | | | | | | | | | | | matches GCC behavior which libstdc++ uses to limit #warning-based messages about deprecation. The machinery involves threading this through a new '-fdeprecated-macro' flag for CC1. The flag defaults to "on", similarly to -Wdeprecated. We turn the flag off in the driver when the warning is turned off (modulo matching some GCC bugs). We record this as a language option, and key the preprocessor on the option when introducing the define. A separate flag rather than a '-D' flag allows us to properly represent the difference between C and C++ builds (only C++ receives the define), and it allows the specific behavior of following -Wdeprecated without potentially impacting the set of user-provided macro flags. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130055 91177308-0d34-0410-b5e6-96231b3b80d8
* There were some frustrating problems with the implementation ofChandler Carruth2011-04-231-0/+7
| | | | | | | | | | | | | | | | | | | | -Wwrite-strings. First and foremost, once the positive form of the flag was passed, it could never be disabled by passing -Wno-write-strings. Also, the diagnostic engine couldn't in turn use -Wwrite-strings to control diagnostics (as GCC does) because it was essentially hijacked to drive the language semantics. Fix this by giving CC1 a clean '-fconst-strings' flag to enable const-qualified strings in C and ObjC compilations. Corresponding '-fno-const-strings' is also added. Then the driver is taught to introduce '-fconst-strings' in the CC1 command when '-Wwrite-strings' dominates. This entire flag is basically GCC-bug-compatibility driven, so we also match GCC's bug where '-w' doesn't actually disable -Wwrite-strings. I'm open to changing this though as it seems insane. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130051 91177308-0d34-0410-b5e6-96231b3b80d8
* Implement -fshort-enums (rdar://8490496).Argyrios Kyrtzidis2010-10-081-4/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116020 91177308-0d34-0410-b5e6-96231b3b80d8
* Daniel re-educated me about what Alias does and does not do. Turn that off forChandler Carruth2010-05-221-2/+4
| | | | | | | | | '-fasm' and explicitly map from that flag to -fgnu-keywords in the driver. Turn off the driver in the lexer test for this madness and add a test to the driver that the translation actually works. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@104428 91177308-0d34-0410-b5e6-96231b3b80d8
* Use -fno-math-errno by default, and remove the IsMathErrnoDefaultDan Gohman2010-01-081-3/+3
| | | | | | | targethook, which is no longer being used. This fixes PR5971. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@92987 91177308-0d34-0410-b5e6-96231b3b80d8
* Update tests to use %clang instead of 'clang', and forcibly disable use of 'Daniel Dunbar2009-12-151-3/+3
| | | | | | | clang ' or ' clang -cc1 ' or ' clang-cc ' in test lines (by substituting them to garbage). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91460 91177308-0d34-0410-b5e6-96231b3b80d8
* Tests: Fix some bugs in clang_f_opts, options were out of order but it workedDaniel Dunbar2009-12-131-5/+5
| | | | | | | because it had two inputs, except on Win32 where /dev/null doesn't exist. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91235 91177308-0d34-0410-b5e6-96231b3b80d8
* Convert the remainder of this test case over to using FileCheck.Ted Kremenek2009-12-121-9/+11
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91194 91177308-0d34-0410-b5e6-96231b3b80d8
* Make using '-fshort-enums' an error until it is actually implemented ↵Ted Kremenek2009-12-121-0/+3
| | | | | | (changes the ABI, so it is dangerous to not error out if we don't support it). Fixes <rdar://problem/7461006>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91191 91177308-0d34-0410-b5e6-96231b3b80d8
* Switch -f{builtin,math-errno,rtti} and -analyzer-purge-dead to -...no... ↵Daniel Dunbar2009-11-191-3/+2
| | | | | | variants instead of using llvm::cl::init(true) arguments. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89315 91177308-0d34-0410-b5e6-96231b3b80d8
* Add -fblocks, -stack-protector, and -fobjc-nonfragile-abi defaulting to driver,Daniel Dunbar2009-11-171-1/+0
| | | | | | | instead of using getDefaultLangOptions. - Remove unused -fobjc-tight-layout while at it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89065 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove RUN: true lines.Daniel Dunbar2009-11-081-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86432 91177308-0d34-0410-b5e6-96231b3b80d8
* Eliminate &&s in tests.Daniel Dunbar2009-11-081-11/+11
| | | | | | - 'for i in $(find . -type f); do sed -e 's#\(RUN:.*[^ ]\) *&& *$#\1#g' $i | FileUpdate $i; done', for the curious. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86430 91177308-0d34-0410-b5e6-96231b3b80d8
* Adding -fshort-wchar option.John Thompson2009-11-051-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86167 91177308-0d34-0410-b5e6-96231b3b80d8
* PR4016: Forward -fno-show-source-location to clang.Daniel Dunbar2009-06-081-1/+2
| | | | git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73082 91177308-0d34-0410-b5e6-96231b3b80d8
* Driver: Fix forwarding of -fpascal-strings.Daniel Dunbar2009-04-071-0/+10
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68570 91177308-0d34-0410-b5e6-96231b3b80d8
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