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2012-03-24Revert r153360 (and r153380), "Second part of PR12251. Produce the range ↵NAKAMURA Takumi
metadata in clang for booleans and". For i686 targets (eg. cygwin), I saw "Range must not be empty!" in verifier. It produces (i32)[0x80000000:0x80000000) from (uint64_t)[0xFFFFFFFF80000000ULL:0x0000000080000000ULL), for signed i32 on MDNode::Range. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153382 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-24Second part of PR12251. Produce the range metadata in clang for booleans andRafael Espindola
c++ enums. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153360 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-23use EP_OptimizerLast instead of EP_ScalarOptimizerLate for ThreadSanitizerKostya Serebryany
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153356 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-22When an MMX output variable is tied to the input variable, we have to implicitlyBill Wendling
cast the value to x86_mmx. This gives the ASM string the correct call signature. <rdar://problem/10919182> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153290 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-22Make sure we correctly set the alignment for vector loads and stores ↵Eli Friedman
associated with vector element lvalues. Patch by Kevin Schoedel (with some minor modifications by me). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153285 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-20Update comment.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153149 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-20Fix a use-after-free in thunk emission. EmitThunk may call RAUW on Init, ↵Benjamin Kramer
invalidating the pointer. Fixes PR12284. The test case only triggered under asan/valgrind, but it's better than nothing. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153120 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-20Debug info: Tighten up uses of plain MDNode pointers which don't survive ↵Benjamin Kramer
replaceOperandWith. TrackingVH notices when it gets RAUW'd. Fixes PR12305 and PR12315. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153115 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-20Add missing bitcast that was breaking Objective-C++ exception typeinfo ↵David Chisnall
(GNUstep runtime). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@153090 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-16Escape % in diagnostic message when compiling LLVM IR.Benjamin Kramer
% is a common character in IR so we'd crash on almost any malformed IR. The diagnostic formatter expects a formatting directive when it sees an unescaped %. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152956 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-16When "low alignment" is specified, then set the alignment of the aggregate'sBill Wendling
store to 1. This allows code-gen to select a more appropriate alignment. If left to zero, an alignment greater than the alignment of the pointer may be selected, causing code-gen to use instructions which require an alignment greater than the pointer guarantees. <rdar://problem/11043589> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152951 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-16Don't try to create "store atomic" instructions of non-integer types; they ↵Eli Friedman
aren't supported at the moment. PR12040. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152891 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-15When a variable has a specified asm name, but isn't using the register ↵Eli Friedman
storage class, the asm name doesn't specify a register. PR12244. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152873 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-15Fix codegen for vld{3,4}_dup intrinsics.James Molloy
Patch by Silviu Baranga! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152788 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-14[frontend] Add support for disabling the "inline" keyword using Chad Rosier
-fno-inline-functions. This behaves much like -fno-inline in gcc, but based on a discussion with Daniel it was decided that -fno-inline-functions should subsume -fno-inline. Please speak up if you object. The -fno-inline flag remains ignored. Final part of rdar://10972766 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152754 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-14Add support to mangle templated member function names with templateEric Christopher
args. Fixes rdar://11042577 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152691 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-13When adding member functions to a class add any specializations ofEric Christopher
function templates as well. A future commit will mangle the added name with the template args like classes are mangled. Fixes rdar://10986010 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152683 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-13[Sema] Prefer to use ObjCInterfaceDecl's protocol_begin()/protocol_end() ↵Argyrios Kyrtzidis
iterators instead of ObjCInterfaceDecl::getReferencedProtocols(), because the iterators are safe to use even if the caller did not check that the interface is a definition. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152597 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-11Unify naming of LangOptions variable/get function across the Clang stack ↵David Blaikie
(Lex to AST). The member variable is always "LangOpts" and the member function is always "getLangOpts". Reviewed by Chris Lattner git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152536 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-11llvm::SwitchInstStepan Dyatkovskiy
Renamed methods caseBegin, caseEnd and caseDefault with case_begin, case_end, and case_default. Added some notes relative to case iterators. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152533 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-10Simplify code. No functionality change.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152503 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-10Remove BlockDeclRefExpr and introduce a bit on DeclRefExpr toJohn McCall
track whether the referenced declaration comes from an enclosing local context. I'm amenable to suggestions about the exact meaning of this bit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152491 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-10Unify the BlockDeclRefExpr and DeclRefExpr paths so thatJohn McCall
we correctly emit loads of BlockDeclRefExprs even when they don't qualify as ODR-uses. I think I'm adequately convinced that BlockDeclRefExpr can die. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152479 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-10IRgen/ABI/x86_64: Avoid passing small structs using byval sometimes.Daniel Dunbar
- We do this when it is easy to determine that the backend will pass them on the stack properly by itself. Currently LLVM codegen is really bad in some cases with byval, for example, on the test case here (which is derived from Sema code, which likes to pass SourceLocations around):: struct s47 { unsigned a; }; void f47(int,int,int,int,int,int,struct s47); void test47(int a, struct s47 b) { f47(a, a, a, a, a, a, b); } we used to emit code like this:: ... movl %esi, -8(%rbp) movl -8(%rbp), %ecx movl %ecx, (%rsp) ... to handle moving the struct onto the stack, which is just appalling. Now we generate:: movl %esi, (%rsp) which seems better, no? git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152462 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09Make sure we update the static local decl address map when we are forced to ↵Eli Friedman
rebuild a global because of the initializer. <rdar://problem/10957867>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152372 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09Make sure constant emission handles initializer lists with strings ↵Eli Friedman
correctly. Part of <rdar://problem/10957867>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152370 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-09[AST] Reduce Decl::getASTContext() calls.Daniel Dunbar
- This function is not at all free; pass it around along some hot paths instead of recomputing it deep inside various VarDecl methods. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152363 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-08Replace MarkVarRequired with a more genericRafael Espindola
HandleCXXStaticMemberVarInstantiation. Suggested by Argyrios. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152320 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-08Taken into account Duncan's comments for r149481 dated by 2nd Feb 2012:Stepan Dyatkovskiy
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20120130/136146.html Implemented CaseIterator and it solves almost all described issues: we don't need to mix operand/case/successor indexing anymore. Base iterator class is implemented as a template since it may be initialized either from "const SwitchInst*" or from "SwitchInst*". ConstCaseIt is just a read-only iterator. CaseIt is read-write iterator; it allows to change case successor and case value. Usage of iterator allows totally remove resolveXXXX methods. All indexing convertions done automatically inside the iterator's getters. Main way of iterator usage looks like this: SwitchInst *SI = ... // intialize it somehow for (SwitchInst::CaseIt i = SI->caseBegin(), e = SI->caseEnd(); i != e; ++i) { BasicBlock *BB = i.getCaseSuccessor(); ConstantInt *V = i.getCaseValue(); // Do something. } If you want to convert case number to TerminatorInst successor index, just use getSuccessorIndex iterator's method. If you want initialize iterator from TerminatorInst successor index, use CaseIt::fromSuccessorIndex(...) method. There are also related changes in llvm-clients: klee and clang. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152298 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-07AST representation for user-defined literals, plus just enough of semanticRichard Smith
analysis to make the AST representation testable. They are represented by a new UserDefinedLiteral AST node, which is a sugared CallExpr. All semantic properties, including full CodeGen support, are achieved for free by this representation. UserDefinedLiterals can never be dependent, so no custom instantiation behavior is required. They are mangled as if they were direct calls to the underlying literal operator. This matches g++'s apparent behavior (but not its actual mangling, which is broken for literal-operator-ids). User-defined *string* literals are now fully-operational, but the semantic analysis is quite hacky and needs more work. No other forms of user-defined literal are created yet, but the AST support for them is present. This patch committed after midnight because we had already hit the quota for new kinds of literal yesterday. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152211 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-07Don't even try to directly emit the value of a DeclRefExpr if that declarationRichard Smith
is not usable in a constant expression. ~2.5% speedup on 403.gcc / combine.c. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152193 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-06Add clang support for new Objective-C literal syntax for NSDictionary, NSArray,Ted Kremenek
NSNumber, and boolean literals. This includes both Sema and Codegen support. Included is also support for new Objective-C container subscripting. My apologies for the large patch. It was very difficult to break apart. The patch introduces changes to the driver as well to cause clang to link in additional runtime support when needed to support the new language features. Docs are forthcoming to document the implementation and behavior of these features. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152137 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-05Fix a small difference in sema and codegen views of what needs to be output.Rafael Espindola
In the included testcase, soma thinks that we already have a definition after we see the out of line decl. Codegen puts it in a deferred list, to be output if a use is seen. This would break when we saw an explicit template instantiation definition, since codegen would not be notified. This patch adds a method to the consumer interface so that soma can notify codegen that this decl is now required. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152024 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-04Silence a GCC warning about a set-but-not-used variable in release builds.Chandler Carruth
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152005 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-04add a testcase for PR12094 and fix a crash on pointer to incomplete type,Chris Lattner
reported by Richard Smith. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151993 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-02Reinstate r151879, r151880, reverted in r151922, along with a bugfix forRichard Smith
scalar emission of DeclRefExprs to const bools: emit scalar bools as i1, not as i8. In addition to the extra unit testing, this has successfully bootstrapped. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151955 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-02PR12094: Set the alignment of memory intrinsic instructions based on theJay Foad
types of the pointer arguments. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151927 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-02Revert r151879, r151880, "PR12145: Avoid emitting loads of constexpr ↵Daniel Dunbar
variables in contexts where there" and "Fix buildbot: make this test less dependent on the value names in the produced IR." They broke bootstrap. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151922 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-02PR12145: Avoid emitting loads of constexpr variables in contexts where thereRichard Smith
is no odr-use of the variable. Go slightly beyond what the standard requires for variables of reference type. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151879 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-01Make CodeGenFunction::EmitBlockCopyAndAutorelease actually do what its name ↵Eli Friedman
says. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151853 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-01Add a flag -fthread-sanitizer.Kostya Serebryany
This flag enables ThreadSanitizer instrumentation committed to llvm as r150423. The patch includes one test for -fthread-sanitizer and one similar test for -faddress-sanitizer. This patch does not modify the linker flags (as we do it for -faddress-sanitizer) because the run-time library is not yet committed and it's structure in compiler-rt is not 100% clear. The users manual wil be changed in a separate commit. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151846 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-01Reapply r151702 with a small fix for a failure to cut and pasteEric Christopher
correctly. Still rdar://10900684 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151838 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-01Implement "optimization" for lambda-to-block conversion which inlines the ↵Eli Friedman
generated block literal for lambdas which are immediately converted to block pointer type. This simplifies the AST, avoids an unnecessary copy of the lambda and makes it much easier to avoid copying the result onto the heap. Note that this transformation has a substantial semantic effect outside of ARC: it gives the converted lambda lifetime semantics similar to a block literal. With ARC, the effect is much less obvious because the lifetime of blocks is already managed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151797 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-29Allocate TargetLibraryInfo for the CodeGen passes. Otherwise, it's instantiatedChad Rosier
by the BAA pass, which uses the default TargetLibraryInfo constructor. Unfortunately, the default TargetLibraryInfo constructor assumes all library calls are available and thus ignores -fno-builtin. rdar://10947759 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151745 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-29Revert r151702, "Add support for handling captured variables in lambda debugDaniel Dunbar
info.", which broke some -O0 -g tests. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151730 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-29Add support for handling captured variables in lambda debug info.Eric Christopher
This currently doesn't handle capturing the 'this' pointer for any enclosing class. Steal the lambda-expressions.cpp testcase and debugify it and try to use more variables to proof it against random changes. Part of rdar://10900684 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151702 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-29Formatting.Eric Christopher
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151700 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-29Make sure list-initialization of arrays works correctly in explicit type ↵Eli Friedman
conversions. PR12121. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151674 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-28Prefer bitcast+GEP over ptrtoint+sub+inttoptr: it's semantically equivalent ↵Eli Friedman
here, and generally nicer to the optimizer. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151659 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-28Remove stray semi-colons.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151631 91177308-0d34-0410-b5e6-96231b3b80d8
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