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path: root/lib/CodeGen/CGBuiltin.cpp
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2009-04-07Implement __sync_{add,sub,and,or,xor}_and_fetch andDaniel Dunbar
__sync_bool_compare_and_swap. - <rdar://problem/6762223> [sema/irgen] support __sync_bool_compare_and_swap and __sync_add_and_fetch git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68482 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-16Support IRgen of sqrt -> llvm.sqrt, pow -> llvm.pow.Daniel Dunbar
- Define pow[lf]?, sqrt[lf]? as builtins. - Add -fmath-errno option which binds to LangOptions.MathErrno - Add new builtin flag Builtin::Context::isConstWithoutErrno for functions which can be marked as const if errno isn't respected for math functions. Sema automatically marks these functions as const when they are defined, if MathErrno=0. - IRgen uses const attribute on sqrt and pow library functions to decide if it can use the llvm intrinsic. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64689 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-16Fix IRgen of __builtin_memset.Daniel Dunbar
- Fix test case to not only have negative tests. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64674 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-13Implicitly declare certain C library functions (malloc, strcpy, memmove,Douglas Gregor
etc.) when we perform name lookup on them. This ensures that we produce the correct signature for these functions, which has two practical impacts: 1) When we're supporting the "implicit function declaration" feature of C99, these functions will be implicitly declared with the right signature rather than as a function returning "int" with no prototype. See PR3541 for the reason why this is important (hint: GCC always predeclares these functions). 2) If users attempt to redeclare one of these library functions with an incompatible signature, we produce a hard error. This patch does a little bit of work to give reasonable error messages. For example, when we hit case #1 we complain that we're implicitly declaring this function with a specific signature, and then we give a note that asks the user to include the appropriate header (e.g., "please include <stdlib.h> or explicitly declare 'malloc'"). In case #2, we show the type of the implicit builtin that was incorrectly declared, so the user can see the problem. We could do better here: for example, when displaying this latter error message we say something like: 'strcpy' was implicitly declared here with type 'char *(char *, char const *)' but we should really print out a fake code line showing the declaration, like this: 'strcpy' was implicitly declared here as: char *strcpy(char *, char const *) This would also be good for printing built-in candidates with C++ operator overloading. The set of C library functions supported by this patch includes all functions from the C99 specification's <stdlib.h> and <string.h> that (a) are predefined by GCC and (b) have signatures that could cause codegen issues if they are treated as functions with no prototype returning and int. Future work could extend this set of functions to other C library functions that we know about. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64504 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-11Use EmitVAListRef instead of EmitLValue directly to handle array decayDaniel Dunbar
case on x86_64. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64333 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-05Reapply Daniel's patch to match up with llvm 63765.Dale Johannesen
Untested, Daniel or Nate please review. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63814 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-04Chase LLVM TOT in circles (i.e., revert r63773 to match revert ofDaniel Dunbar
r63765). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63795 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-04(llvm up) Update for intrinsic lookup changes.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63773 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-25Make the constant folder aware of Eli Friedman
__builtin___CFStringMakeConstantString. (We get into trouble in GenerateStaticBlockVarDecl if the constant folder isn't accurate.) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62949 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-20Slight cleanup, and fix for va_arg on architectures where va_list is a Eli Friedman
struct. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62585 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-20Do codegen correctly for va_start/end/copy on architectures where Eli Friedman
va_list is a struct, like x86-64. If anyone has a better idea for how to do the check in the if statements, suggestions are welcome. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62582 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-20Fix for PR3350: add special-casing for "references" to va_lists in Eli Friedman
builtins. Also, a minor tweak to va_copy for consistency. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62574 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-18Vector codegen improvementsNate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62458 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-22Generate code for __builtin_ia32_pshufwAnders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61324 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-01Use the new Expr::EvaluateAnders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60321 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-16rename Expr::tryEvaluate to Expr::Evaluate.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59426 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-04Fix bug in va_copyAnders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@58680 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-29Fix for PR2966: va_start/va_end use the *address* of the Eli Friedman
va_list, not the value. Patch fixes an assert on x86-64 and a wrong-code bug on x86. I'm not completely sure, but I think it's a regression from r58306. Does anyone run regression tests regularly on x86-64? The crash should have been picked up there. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@58366 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-15Added pinsrd, pinsrq, and some other vector intrinsicsMon P Wang
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57563 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-10Lift EmitTargetBuiltinExpr out of EmitBuiltinExpr.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57335 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-06Make sema and codegen allow __builtin___CFStringMakeConstantString as a validChris Lattner
constant lvalue. Implement this in codegen by moving the code out of CGBuiltin into EmitConstantExpr. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57163 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-06always try to fold a builtin before emitting it. In the futureChris Lattner
it is possible that a builtin could sometimes be folded (e.g. __builtin_clz) if it's operand is a constant. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57161 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-06Move handling of __builtin_nan("") out of CGBuiltin.cpp into ExprConstant.cppChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57157 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-06remove some code where CGBuiltin folds constants, and use tryEvaluate toChris Lattner
do it instead. We should still handle __builtin_nan etc, but don't yet. This fixes incorrect evaluation of __builtin_constant_p, a FIXME. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@57156 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-30Added support for sse intrinsics loadlpd, loadhpd, muldq128, and mulld128Mon P Wang
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@56830 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-03Add __builtin_object_size support.Daniel Dunbar
- Currently CodeGen always returns a conservative value for this (-1 or 0 depending on the context). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@55735 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-30Simplify some calls to Builder.CreateCallAnders Carlsson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@55567 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-16Change WarnUnsupported to ErrorUnsupported (in name and in practice).Daniel Dunbar
- We are beyond the point where this shows up often and when it does generating miscompiled files is bad. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54836 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-11More #include cleaningDaniel Dunbar
- Kill unnecessary #includes in .cpp files. This is an automatic sweep so some things removed are actually used, but happen to be included by a previous header. I tried to get rid of the obvious examples and this was the easiest way to trim the #includes in one fell swoop. - We now return to regularly scheduled development. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54632 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-11More #include cleaningDaniel Dunbar
- Drop {Decl.h,DeclObjC.h,IdentifierTable.h} from Expr.h - Moved Sema::getCurMethodDecl() out of line (dependent on ObjCMethodDecl via dyn_cast). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54629 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-31Updated to match new atomic names (to enable overloading for pointers toMon P Wang
different address spaces) for llvm r54195. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54241 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-25X86 builtin fixesNate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54049 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
2008-07-22Implement 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
2008-07-21Add __builtin_powi[fl] supportDaniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53866 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-21Implement 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
2008-07-18Add support shufpdMon P Wang
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53747 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
2008-06-30Make 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
2008-06-25Updated 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
2008-06-17This 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
2008-05-27Implementation of __builtin_ctlz.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@51595 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-20Add codegen support for stack address intrinsics.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@51309 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-19Implement CodeGen for __builtin_memcpy.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@51282 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-16Fix some prototypes, and implement some builtins until we have our header ↵Nate Begeman
files completed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@51199 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-15Handle a couple missing builtins that will go away eventually when the variousNate Begeman
intrin.h files are finished git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@51137 91177308-0d34-0410-b5e6-96231b3b80d8
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