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2008-07-25Rework codegen of case rangesDaniel Dunbar
- Fix multiple issues with the way case ranges were emitted, see test cases details about the specific issues. - The root issue was not being careful about how basic blocks were emitted which led to them being chained together incorrectly, resulting in improper control flow. - Fixes <rdar://problem/6098585> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54006 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-24Fix EmitCaseStmtRange to ignore empty rangesDaniel Dunbar
- Also cleaned up emission slightly - Inspection of the code revealed several other bugs, however. Case ranges are not properly wired and can result in switch cases being dropped or even infinite loops. See: <rdar://problem/6098585> Completes: <rdar://problem/6094119> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53975 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-23don't depend on the result of CreateNeg to be a binopChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53948 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-23Fix a codegen crash on:Chris Lattner
int foo(void) { float x[2]; return x; } rdar://6093986 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53946 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-22Add note to check what __alignof__ a function type should be.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53928 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-22Prevent codegen crash on sizeof(<function type>), a gcc extension.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53899 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-22Implement bzero, memset, memmove builtins.Daniel Dunbar
This subsumes Nico Weber's patch and implements bzero in terms of llvm.memset to match llvm-gcc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53888 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-21Implement nans, prefetch, and trap builtins. Daniel Dunbar
This closes <rdar://problem/6080720>, support for __builtin_constant_p has been filed separately. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53885 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-21Kill an unused variable warningDaniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53878 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-21move two more lists of protocols over to use ObjCList<ObjCProtocolDecl>,Chris Lattner
simplifying code along the way and fixing a problem and memory leak or two. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53876 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-21Add __builtin_powi[fl] supportDaniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53866 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-21introduce a new ObjCList templated class and start moving Chris Lattner
various objc lists over to it. First up, the protocol list on ObjCInterfaceDecl. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53856 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-21Implement ffs, parity, and popcount builtins.Daniel Dunbar
+ test case git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53851 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-21don't pass in null as the Name for GenerateClassStructure,Chris Lattner
it goes and makes std::strings out of them, which is not defined. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53843 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-18Add support shufpdMon P Wang
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53747 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-17Fix for codegen crash on multibit bool bitfield initializationDaniel Dunbar
<rdar://problem/6078606> git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53737 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-14remove CGObjCEtoile until it compiles.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53552 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-09Codegen support for __builtin_stdarg_startChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53329 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-04Fixed bugzilla bug# 2489.Sanjiv Gupta
This was broken when the GenerateCode function was splitted to use GenerateFunction. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53136 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03Remove removed header.Bill Wendling
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53121 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-30Make a few related changes:Chris Lattner
1) add a new ASTContext::getFloatTypeSemantics method. 2) Use it from SemaExpr.cpp, CodeGenTypes.cpp and other places. 3) Change the TargetInfo.h get*Format methods to return their fltSemantics byref instead of by pointer. 4) Change CodeGenFunction::EmitBuiltinExpr to allow builtins which sometimes expand specially and othertimes fall back to libm. 5) Add support for __builtin_nan("") to codegen, cases that don't pass in an empty string are currently lowered to libm calls. 6) Fix codegen of __builtin_infl. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52914 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-27Add missing include file (due to a file splitting in llvm).Cedric Venet
Add new file to Sema Project for VS. this unbreak the build for VS2005 (with the associated patch on llvm). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52830 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-26refactor more objc codegen interfaces to pass around selectors soChris Lattner
we don't push strings into LLVM IR and then have to read them back out. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52765 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-26indenting and other minor things.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52764 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-26refactor interface to GenerateClassStructure to avoid converting a Chris Lattner
string to LLVM IR and then regenerating the string from IR. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52762 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-26remove the old getSelector implementation, which removes someChris Lattner
calls to getStringValue git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52761 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-26avoid a lot of unneeded selector processing work by passing aroundChris Lattner
selectors instead of Value*'s. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52760 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-26use cheaper/simpler getselector call for @selector exprs.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52759 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-26start avoid doing lots of unneeded work handling selectorsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52758 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-26improve indentation, avoid thrashing on maps and recalculating strings as much.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52757 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-26give CreateObjCRuntime a full CGM so it can get whatever state it needs, Chris Lattner
instead of passing in just a couple random things it currently happens to use. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52756 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-26Fix 80 col violations, assert on assumptions.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52755 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-26a temporary minimal hack to get clang building after the getStringValue ↵Chris Lattner
changes in llvm mainline. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52753 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-25Updated atomic intrinsic name from llvm r52706. Fixed dropped bit in shufps.Mon P Wang
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52707 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-24"Support for Objective-C message sends which return structures. Also ↵Chris Lattner
includes a small fix for constant string handling that should have been in the last patch (sorry!) and a hook for generating selectors (rest of this implementation to follow in the next patch)." Patch by David Chisnall! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52681 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-24"This is a small fix for a bug where static object instances were being ↵Chris Lattner
incorrectly generated. The bug was caused by my inability to read the GNU libobjc source and is only apparent when JITing code (static compilation does not expose the bug due to the data layout of other globals)." Patch by David Chisnall! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52680 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-21"this patch adds code generation hooks for Objective-C constant strings. It ↵Chris Lattner
also modifies Sema so that Objective-C constant strings are treated as untyped objects if the interface for the constant string class can not be found. This is consistent with Apple GCC. I thought it was consistent with GNU GCC, since this was causing failures when trying to compile GNUstep with (GNU) GCC, but it appears that this is not the case when attempting to produce a simple test case to demonstrate it. Possibly there is a way of making the error go away, but I haven't found out what it is yet." Patch by David Chisnall! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52599 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-21Don't add isa with @defs only to work around it in the code generator, patchChris Lattner
by David Chisnall. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52597 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-19Remove tabs.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52507 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-17Change self/_cmd to be instances of ImplicitParamDecl instead of ParmVarDecl.Chris Lattner
Patch by David Chisnall! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52422 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-17This patch is motivated by numerous strict-aliasing warnings when compilingTed Kremenek
clang as a Release build. The big change is that all AST nodes (subclasses of Stmt) whose children are Expr* store their children as Stmt* or arrays of Stmt*. This is to remove strict-aliasing warnings when using StmtIterator. None of the interfaces of any of the classes have changed (except those with arg_iterators, see below), as the accessor methods introduce the needed casts (via cast<>). While this extra casting may seem cumbersome, it actually adds some important sanity checks throughout the codebase, as clients using StmtIterator can potentially overwrite children that are expected to be Expr* with Stmt* (that aren't Expr*). The casts provide extra sanity checks that are operational in debug builds to catch invariant violations such as these. For classes that have arg_iterators (e.g., CallExpr), the definition of arg_iterator has been replaced. Instead of it being Expr**, it is an actual class (called ExprIterator) that wraps a Stmt**, and provides the necessary operators for iteration. The nice thing about this class is that it also uses cast<> to type-checking, which introduces extra sanity checks throughout the codebase that are useful for debugging. A few of the CodeGen functions that use arg_iterator (especially from OverloadExpr) have been modified to take begin and end iterators instead of a base Expr** and the number of arguments. This matches more with the abstraction of iteration. This still needs to be cleaned up a little bit, as clients expect that ExprIterator is a RandomAccessIterator (which we may or may not wish to allow for efficiency of representation). This is a fairly large patch. It passes the tests (except CodeGen/bitfield.c, which was already broken) on both a Debug and Release build, but it should obviously be reviewed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52378 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-16force size of alloca to i32, which is currently required by LLVM IR.Chris Lattner
This fixes use of alloca on 64-bit systems. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52334 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-13Basic support for volatile loads and stores. Stores the volatile Eli Friedman
qualifier in the lvalue, and changes lvalue loads/stores to honor the volatile flag. Places which need some further attention are marked with FIXMEs. Patch by Cédric Venet. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52264 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-09Make CodeGenFunction::EmitDecl() recognise CXXClass/CXXStruct/CXXUnion.Argyrios Kyrtzidis
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52162 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-09-Changes to TagDecl:Argyrios Kyrtzidis
Added TagKind enum. Added getTagKind() method. Added convenience methods: isEnum(), isStruct(), isUnion(), isClass(). -RecordDecl/CXXRecordDecl::Create() accept a TagKind enum instead of a DeclKind one. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52160 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-09Generate debug descriptors for array types while generating the debug info.Sanjiv Gupta
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52140 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-08implement the alias attirbute (in both Sema and Codegen)Nuno Lopes
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52092 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-08fix compiler warningsNuno Lopes
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52089 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-08Don't crash emitting an initializer for a static local with union type. Eli Friedman
This fix just makes sure to construct the global with the appropriate type, and fixes up the one user this affects to compensate. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52084 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-07Fix crash with conversion to an address-space-qualified pointer. Bug Eli Friedman
reported on cfe-dev by Cédric Venet. Note that I seriously doubt that this perticular construct is useful, though: it's a pointer in an alternate address space pointing into unqualified address space. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52076 91177308-0d34-0410-b5e6-96231b3b80d8
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