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2013-01-24Fail these tests in a way that doesn't cause unexpected successes, per Daniel'sChad Rosier
suggestion. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173367 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-24Temporarily XFAIL this test; the compiler will segfault if the target-specificChad Rosier
parser is not included in the compiler. Thanks to Renato for discovering the underlying issue. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173365 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-24[ms-inline asm] Add an error when trying to compile MS-style inline assemblyChad Rosier
for an unsupported architecture. rdar://13063988 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173364 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-24PR14922: when printing an attribute, use the real syntax of the attribute ↵Michael Han
(GNU, C++11, MS Declspec) instead of hardcoded GNU syntax. Introduce a spelling index to Attr class, which is an index into the attribute spelling list of an attribute defined in Attr.td. This index will determine the actual spelling used by an attribute, as it incorporates both the syntax and naming of the attribute. When constructing an attribute AST node, the spelling index is computed based on attribute kind, scope (if it's a C++11 attribute), and name, then passed to Attr that will use the index to print itself. Thanks to Richard Smith for the idea and review. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173358 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-24Properly remove this test file, that I copied over to test/SemaOpenCL in ↵Joey Gouly
r173352. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173353 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-23Implement -Wvla correctlyDmitri Gribenko
GCC implements -Wvla as "warn on every VLA" (this is useful to find every VLA, for example, if they are forbidden by coding guidelines). Currently Clang implements -Wvla as "warn on VLA when it is an extension". The attached patch makes our behavior match GCC. The existing vla extwarn is moved under -Wvla-extension and is still included into -Wgnu. This fixes PR5953. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173286 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-22[ms-inline asm] Remove the -fenable-experimental-ms-inline-asm flag. MS-styleChad Rosier
inline assembly can be enable with -fasm-blocks or -fms-extensions alone. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173186 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-22Split "discards qualifiers" warnings of -Wincompatible-pointer-types into ↵Ted Kremenek
subgroup. This allows users to promote -Wincompatible-pointer-type warnings to errors but keep those for "discard qualifiers" as warnings (if they so desire). Addresses <rdar://problem/13062738>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173184 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-21Add a fixit for _Noreturn main,Dmitri Gribenko
add tests for fixits removing static and inline from main git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173024 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-18[ms-inline asm] Test case for r172773.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172774 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-17Format strings: don't ever convert %+d to %lu.Jordan Rose
Presumably, if the printf format has the sign explicitly requested, the user wants to treat the data as signed. This is a fix-up for r172739, and also includes several test changes that didn't make it into that commit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172762 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-17Parsing support for C11's _Noreturn keyword. No semantics yet.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172761 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-17[ms-inline asm] Updates and test case for r172743.Chad Rosier
Part of rdar://12576868 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172744 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-17Suppress all -Wunused-value warnings from macro body expansions.Matt Beaumont-Gay
This is inspired by a number of false positives in real code, including PR14968. I've added test cases reduced from these false positives to test/Sema/unused-expr.c, as well as corresponding test cases that pass the offending expressions as arguments to a no-op macro to ensure that we do warn there. This also removes my previous tweak from r166522/r166534, so that we warn on unused cast expressions in macro arguments. There were several test cases that were using -Wunused-value to test general diagnostic emission features; I changed those to use other warnings or warn on a macro argument expression. I stared at the test case for PR14399 for a while with Richard Smith and we believe the new test case exercises the same codepaths as before. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172696 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-17Implement a fixit for -Wmain-return-typeDmitri Gribenko
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172684 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-16Check for internal weak decls after merging.Rafael Espindola
This fixes pr14946. The problem was that the linkage computation was done too early, so things like "extern int a;" would be given external linkage, even if a previous declaration was static. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172667 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-16First step in implementation of mips16 and nomips16 attributes.Reed Kotler
Waiting for new llvm attribute code for the next step. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172626 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Add a comment to test to clarify the intention hereDmitri Gribenko
Comment is taken from the commit message of r151080, by Jean-Daniel Dupas git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172332 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-12Fix -Wunused-comparison for comparisons in arguments to function-like macros.Matt Beaumont-Gay
Previously, -Wunused-comparison ignored comparisons in both macro bodies and macro arguments, but we would still emit a -Wunused-value warning for either. Now we correctly emit -Wunused-comparison for expressions in macro arguments. Also, add isMacroBodyExpansion to SourceManager, to go along with isMacroArgExpansion. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172279 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Reject incompatible redeclarations of extern C symbols.Rafael Espindola
Before we were only checking if the new declaration itself was marked extern C. Fixes prpr14766. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172243 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-11Improve diagnostic per Richard's suggestionFariborz Jahanian
(which may yet change if we move the diagnostic outside case value). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172242 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-10Provide a better warning when case value overflows.Fariborz Jahanian
// rdar://11577384 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172102 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-09Issue warning when case value is too large to fitFariborz Jahanian
in case condition type. // rdar://11577384. Test is conditionalized on x86_64-apple triple as I am not sure if the INT_MAX/LONG_MAX values in the test will pass this test for other hosts. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172016 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Clear LV cache when dropping availability attributes.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171906 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Don't crash when trying to apply the availability attribute to a block.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171899 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Clear the LV cache when merging the availability attribute.Rafael Espindola
The availability implies default visibility, so it can change the computed visibility. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171840 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-08Don't warn about undefined varargs argument behavior in unreachable code.Ted Kremenek
Fixes <rdar://problem/12322000>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171831 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Add support for attribute((mode(unwind_word))).Rafael Espindola
Patch by Nick Lewycky. Fixes pr8703. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171781 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-07Scalar shifts in the OpenCL specification (as of v. 1.2) are defined to beDavid Tweed
with respect to the lower "left-hand-side bitwidth" bits, even when negative); see OpenCL spec 6.3j. This patch both implements this behaviour in the code generator and "constant folding" bits of Sema, and also prevents tests to detect undefinedness in terms of the weaker C99 or C++ specifications from being applied. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171755 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-04Unqualify the parameter type.Rafael Espindola
This fixes a regression from 168895. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171519 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-02Type safety attributes: add tests for enumerations (users are actually doingDmitri Gribenko
this, ensure we don't regress) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171412 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-28PR14729: Fix typo in CheckICE for BinaryConditionalOperators.Richard Smith
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171191 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-25Add intel_ocl_bicc calling convention as a function attribute to clang. The ↵Guy Benyei
calling convention is already implemented in LLVM. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171056 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-22Add back -Wduplicate-enum which I mistakenly removed.Ted Kremenek
This was removed with -Wunique-enum, which is still removed. The corresponding thread on cfe-comments for that warning is here: http://lists.cs.uiuc.edu/pipermail/cfe-dev/2012-September/024224.html If we get specific user feedback for -Wduplicate-enum we can evaluate whether or not to keep it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170974 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-19Fix PR14591: Windows newlines in doxygen comments cause failed assertion inDmitri Gribenko
TextDiagnostic Patch by Janusz Chorko. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170566 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-18Add tests to check recent changes to some builtins.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170458 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-18When warning about a missing prototype because a function declaration is ↵Anders Carlsson
missing 'void', insert a fixit to add the void. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170399 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-17Fix isThisDeclarationADefinition for extern following tentative.Rafael Espindola
An extern declaration following a tentative definition should not itself be considered a tentative definition. Fixes pr14614. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170377 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-12[ms-inline asm] Test case for r170037.Chad Rosier
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170038 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-05[driver, ms-inline asm] MS-Style inline assembly is controlled by theChad Rosier
-fasm-blocks flag, not the -fms-extensions flag. rdar://12808010 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169422 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29Merge function types in C.Rafael Espindola
Among other differences, GCC accepts typedef int IA[]; typedef int A10[10]; static A10 *f(void); static IA *f(void); void g(void) { (void)sizeof(*f()); } but clang used to reject it with: invalid application of 'sizeof' to an incomplete type 'IA' (aka 'int []') The intention of c99's 6.2.7 seems to be that we should use the composite type and accept as gcc does. Doing the type merging required some extra fixes: * Use the type from the function type in initializations, even if an parameter is available. * Fix the merging of the noreturn attribute in function types. * Make CodeGen handle the fact that an parameter type can be different from the corresponding type in the function type. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168895 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-29Reject uses of __int128 on platforms that don't support it. Also move the uglyRichard Smith
'getPointerWidth(0) >= 64' test to be a method on TargetInfo, ready to be properly cleaned up. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168856 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-27Test for r168674.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168675 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-27Add a testcase that r168411 would break.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168669 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-23Check that we don't warn on this testcase. This is basically a test thatRafael Espindola
Decl::isUsed checks the attribute. If the function had a body just the check is DeclMustBeEmitted would be sufficient. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168514 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-18clang/test/Sema/warn-documentation.cpp: Try to fix up the testcase in r168277.NAKAMURA Takumi
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168278 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-18Documentation parsing: propely handle a lone '\endverbatim' and emit a warning.Dmitri Gribenko
We actually used to assert on this. Thanks to NAKAMURA Takumi for noticing this! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168277 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-17Made the "expected string literal" diagnostic more expressiveAndy Gibbs
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168267 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-15Fix a trivial bool-related bug I spotted while skimming David Fang'sEli Friedman
current list of powerpc-darwin8 failures. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@168016 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-12Correct printing of nested anonymous type member accesses.David Blaikie
Patch by Florent Bruneau! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@167736 91177308-0d34-0410-b5e6-96231b3b80d8
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