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2009-11-17Make test header independent so it doesn't fail on freebsd. I hope this doesn'tBenjamin Kramer
hurt the intention of the test. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89096 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-17Use clang to run tests which include headers from the system.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89085 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-17Don't #include <stdio.h> when tests don't need it, or use clang instead of ↵Daniel Dunbar
clang-cc when they do. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89070 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-16Add constant evaluation for comma operator with floating-point operand. FixesEli Friedman
PR5449. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@88885 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-11Fix PR 5422: handle lvalue results when evaluating 'based' ptrtoints as part ofJohn McCall
the -Wconversion check. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86891 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-09Changed error for nested type qualifier mismatch toFariborz Jahanian
warning, to match gcc. It used to be warning, so better keep it a warning (it broke a certain project). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86597 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-09Test case for Sean Hunt's patch which I left out.Fariborz Jahanian
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86573 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-09Add support for cdecl attribute. (As far as I know, it doesn't affect CodeGenEli Friedman
unless we start implementing command-line switches which override the default calling convention, so the effect is mostly to silence unknown attribute warnings.) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86571 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-09Add a triple to try to fix the buildbot error.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86563 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-09__uint128_t is indeed an unsigned integer type. Fixes PR5435.Anders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86561 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-08Eliminate &&s in tests.Daniel Dunbar
- '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
2009-11-07Support -Wshorten-64-to-32 for integer types only, which seems to satisfy theJohn McCall
core requirements. Fixes rdar://problem/6389954 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86364 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-07Improve -Wconversion by permitting binary operations on values of the targetJohn McCall
type (or smaller) to stay "closed" within the type. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86356 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-07Test case for -Wconversion.John McCall
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86327 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-06compare.c also needs a target triple now, and improve some comments while we'reJohn McCall
at it. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86243 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-06Improve the -Wsign-compare heuristics:John McCall
* If the unsigned type is smaller than the signed type, never warn, because its value will not change when zero-extended to the larger type. * If we're testing for (in)equality, and the unsigned value is an integer constant whose sign bit is not set, never warn, because even though the signed value might change, it can't affect the result of the equality. Also make the comparison test cases much more rigorous, and have them expose the subtle differences between C and C++ here. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86242 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-06Turn off -Wsign-compare warnings by defaultDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86233 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-05Make ASTContext::getIntWidth return 1 for all boolean type variations, not ↵Sebastian Redl
just for the unqualified, unaliased bool. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86174 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-05Adding -fshort-wchar option.John Thompson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86167 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-05Implement the conditional-operator part of -Wsign-compare. TurnJohn McCall
DiagnoseSignCompare into Sema::CheckSignCompare and call it from more places. Add some enumerator tests. These seem to expose some oddities in the types we're converting C++ enumerators to; in particular, they're converting to unsigned before int, which seems to contradict 4.5 [conv.prom] p2. Note to self: stop baiting Doug in my commit messages. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86128 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-05Implement -Wsign-compare, or at least the actual comparison part of it.John McCall
Conditional operands are next. Fixes part of rdar://problem/7289584. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86083 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-04Diagnose the use of 'fastcall' on functions without prototypes or withJohn McCall
varargs prototypes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86001 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-04Diagnose __builtin_offsetof on incomplete types. FixesJohn McCall
rdar://problem/7222956 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85999 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-04Change our basic strategy for avoiding deprecation warnings when the decl useJohn McCall
appears in a deprecated context. In the new strategy, we emit the warnings as usual unless we're currently parsing a declaration, where "declaration" is restricted to mean a decl group or a few special cases in Objective C. If we *are* parsing a declaration, we queue up the deprecation warnings until the declaration has been completely parsed, and then emit them only if the decl is not deprecated. We also standardize the bookkeeping for deprecation so as to avoid special cases. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85998 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-03Reorganize the parsing of decl groups / function definitions so thatJohn McCall
declarators are parsed primarily within a single function (at least for these cases). Remove some excess diagnostics arising during parse failures. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85924 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-31Fix the type of __builtin_expect, from Ed Schouten!Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85666 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-30warn about returning the address of a label.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85576 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-29Fix some Window-isms to get these tests to pass on Windows.John Thompson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85450 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-27Implement Chris's suggestions for the precendence warnings. Reformat the ↵Sebastian Redl
code a bit. Test the fixits. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85231 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-26Implement a warning for mixing bitwise logical with comparison ops. Fixes ↵Sebastian Redl
PR5297. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85117 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25Phrase compile time assert in standard way.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85079 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25Fix PR5298 - -Wmissing-noreturn shouldn't warn if the function is alreadyChris Lattner
declared noreturn. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85075 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25Implement rdar://6756623 - use of deprecated type in deprecated typedef ↵Chris Lattner
should not warn git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85073 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-25When parsing a top level struct declaration, make sure to Chris Lattner
process decl attributes instead of dropping them on the floor. This allows us to diagnose cases like the testcase. Also don't diagnose deprecated stuff in ActOnTag: not all uses of tags may be 'uses', and SemaType does this now. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85071 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-22fix #2 :)Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84889 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-22fix testcase, thanks Daniel.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84888 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-22fix PR5265: the size of a float3 should be rounded up to its alignment. Chris Lattner
This ensures that arrays of float3 are correctly padded. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84833 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-21Downgrade "function declared 'noreturn' should not return" from anDouglas Gregor
error (by default) to a warning, per C++0x [dcl.attr.noreturn]. Patch from Sean Hunt! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84762 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-20Implement PR5242: don't desugar a type more than once in a diagnostic. ThisChris Lattner
implements a framework that allows us to use information about previously substituted values to simplify subsequent ones. Maybe this would be useful for C++'y stuff, who knows. We now get: t.c:4:21: error: invalid operands to binary expression ('size_t' (aka 'unsigned long *') and 'size_t') return (size_t) 0 + (size_t) 0; ~~~~~~~~~~ ^ ~~~~~~~~~~ on the testcase. Note that size_t is only aka'd once. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84604 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-17teach getCorrespondingUnsignedType how to handle vectors of integers,Chris Lattner
fixing PR4838. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84353 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-16Implement PR4407 - missing warnings on case value overflow,Chris Lattner
patch by Zhanyong Wan! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84259 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-13add rdar # I accidentally lost.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83942 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-13merge two tests.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83941 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-13make the diagnostic in the 'unused result' warning more preciseChris Lattner
about the reason, rdar://7186119. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83940 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-09Add CheckCallReturnType and start using it for regular call expressions. ↵Anders Carlsson
This will improve error messages. For struct B; B f(); void g() { f(); } We now get t.cpp:6:3: error: calling 'f' with incomplete return type 'struct B' f(); ^~~ t.cpp:3:3: note: 'f' declared here B f(); ^ t.cpp:1:8: note: forward declaration of 'struct B' struct B; ^ git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83692 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-08Implement support for -Wunused-variable, from Oscar Bonilla!Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83577 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-30Add an error for function parameters that have a qualified address space ↵Tanya Lattner
since this is not allowed by the embedded c extension spec. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83165 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-28Provide a custom diagnostic when code tries to use an unknown builtinDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83014 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-26builtin_trap should be noreturn, this fixes PR5062, patch byChris Lattner
Roman Divacky! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@82876 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-26Add a "positive" matching test case for attribute 'noreturn' that involves a ↵Ted Kremenek
nested infinite loop. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@82842 91177308-0d34-0410-b5e6-96231b3b80d8
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