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path: root/lib/Analysis/UninitializedValues.cpp
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2009-09-09Remove tabs, and whitespace cleanups.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81346 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-28rename some methods.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67923 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-29move library-specific diagnostic headers into library private dirs. ReduceChris Lattner
redundant #includes. Patch by Anders Johnsen! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63271 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-27Split the single monolithic DiagnosticKinds.def file into oneChris Lattner
.def file for each library. This means that adding a diagnostic to sema doesn't require all the other libraries to be rebuilt. Patch by Anders Johnsen! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63111 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-14Flow-sensitive uninitialized values analysis: properly handle the 'element' ↵Ted Kremenek
expression of ObjCForCollectionStmt (can be anything). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59312 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-14Rename header file.Ted Kremenek
Update include files. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59284 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-12Update CFGStmtVisitor to recognize that ObjCForCollectionStmts are special ↵Ted Kremenek
block-level "expressions". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59176 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-11Flow-sensitive uninitialized values analysis:Ted Kremenek
- Added support for ObjCForCollectionStmt - Fixed bug where expression values would be always set to uninitialized when loops were involved git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59076 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-11Introduce a single AST node SizeOfAlignOfExpr for all sizeof and alignof ↵Sebastian Redl
expressions, both of values and types. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59057 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-16It's spelt "uninitialized".Nick Lewycky
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54848 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-05Added decl_iterator to DeclStmt to provide an abstract interface to iterate ↵Ted Kremenek
over the ScopedDecls of a DeclStmt. Updated a few clients of DeclStmt::getNextDeclarator() to use decl_iterator instead. Will update other clients after additional testing. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54368 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-17Fix MSVC compiler error: "initialization of 'VD' is skipped by 'case' label"Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49853 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-16Added CFGBlock::getTerminatorCondition() to get the Expr* of the condition a ↵Ted Kremenek
block's terminator. Refactored LiveVariables to use getTerminatorCondition() in VisitTerminator(). Bug fix: CFG now computes Block-level expression numbers using information from block terminators. This fixes <rdar://problem/5868189>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49818 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-16Simplify some code.Ted Kremenek
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49763 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-15Change "VisitBlockVarDecl" to "VisitVarDecl". UninitializedValues now worksTed Kremenek
as before r49748 (where BlockVarDecl was removed). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49749 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-15Remove FileVarDecl and BlockVarDecl. They are replaced by ↵Steve Naroff
VarDecl::isBlockVarDecl() and VarDecl::isFileVarDecl(). This is a fairly mechanical/large change. As a result, I avoided making any changes/simplifications that weren't directly related. I did break two Analysis tests. I also have a couple FIXME's in UninitializedValues.cpp. Ted, can you take a look? If the bug isn't obvious, I am happy to dig in and fix it (since I broke it). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49748 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-15Fix bug in terminator processing for uninitialized-values: simply ignore the ↵Ted Kremenek
terminator, don't reprocess it. LiveVariables analysis now does a flow-insensitive analysis to determine what variables have their address taken; these variables are now always treated as being live. The DataflowSolver now uses "SetTopValue()" when getting the initial value for the entry/exit block. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49734 91177308-0d34-0410-b5e6-96231b3b80d8
2008-04-15Added initial support into the flow-sensitive dataflow solver to visit the ↵Ted Kremenek
Block-level expression in a block's terminator. This expression is visited within a block, but it is accessed by the terminator. This is important to observe because for live-variables analysis the block-level expression is live between the terminator and where the expression occurs in the block. So far this hasn't been an issue to not observe this because the block-level expression used in the terminator is always the last one in the block, and we have never queried the liveness information about this point (but before the terminator). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49709 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-22Changed merge operation for uninitialized values analysis to "intersect" ↵Ted Kremenek
(previous union). The effect is that if a variable is uninitialized along a branch (but initialized along another), at merge points it is considered uninitialized. Previously we had the opposite behavior. The new behavior is more conservative, and more in line with gcc's behavior. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@48689 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-15Make a major restructuring of the clang tree: introduce a top-levelChris Lattner
lib dir and move all the libraries into it. This follows the main llvm tree, and allows the libraries to be built in parallel. The top level now enforces that all the libs are built before Driver, but we don't care what order the libs are built in. This speeds up parallel builds, particularly incremental ones. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@48402 91177308-0d34-0410-b5e6-96231b3b80d8
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