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132 Commits

Author SHA1 Message Date
John McCall 8586bfd85d @llvm.sqrt isn't really close enough to C's sqrt to justify emitting calls 
to the intrinsic, even when math-errno is off.

Fixes rdar://problem/7828230 by falling back on the library function.

llvm-svn: 100613
 2010-04-07 08:20:20 +00:00
Mon P Wang cc2ab0cdc9 Reapply patch for adding support for address spaces and added a isVolatile field to memcpy, memmove, and memset. 
llvm-svn: 100305
 2010-04-04 03:10:52 +00:00
Mon P Wang f7f3bff646 Revert r100193 since it causes failures in objc in clang 
llvm-svn: 100200
 2010-04-02 18:43:42 +00:00
Mon P Wang 4b82a88764 Reapply patch for adding support for address spaces and added a isVolatile field to memcpy, memmove, and memset. 
llvm-svn: 100193
 2010-04-02 18:04:30 +00:00
Bob Wilson adb58e32cc Revert Mon Ping's 99930 due to broken llvm-gcc buildbots. 
llvm-svn: 99949
 2010-03-30 22:28:46 +00:00
Mon P Wang 231e99743a Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset 
llvm-svn: 99930
 2010-03-30 21:02:45 +00:00
Daniel Dunbar 3f540c0d7d Remove support for nand atomic builtins. They are inconsistently implemented in 
gcc, and the common expectation seems to be that they are unused. If and when
someone cares we can add them back with well documented demantics.

llvm-svn: 99522
 2010-03-25 17:13:09 +00:00
Daniel Dunbar 4ff562d557 IRgen: Wrap atomic intrinsics with memory barriers, to ensure we honor the semantics. 
- This should be conservatively correct, we eventually should have target hooks for platforms that are less strict.

llvm-svn: 99050
 2010-03-20 07:04:11 +00:00
Eli Friedman 99d20f83ba PR6515: Implement __builtin_signbit and friends. 
I'm reasonably sure my implementation is correct, but it would be nice if
someone could double-check.

llvm-svn: 97864
 2010-03-06 02:17:52 +00:00
John McCall beec5a080f Implement __builtin_dwarf_sp_column for i386 (Darwin and not), x86-64 (all), 
and ARM.  Implement __builtin_init_dwarf_reg_size_table for i386 (both) and
x86-64 (all).

llvm-svn: 97859
 2010-03-06 00:35:14 +00:00
John McCall 731be6620c Revert changes r97693, r97700, and r97718. 
Our testing framework can't deal with disabled targets yet.

llvm-svn: 97719
 2010-03-04 04:29:44 +00:00
John McCall 81d4d12504 Implement __builtin_dwarf_sp_column(). 
llvm-svn: 97700
 2010-03-04 00:44:01 +00:00
Chris Lattner 5cc15e058b add framework for ARM builtins, Patch by Edmund Grimley Evans! 
llvm-svn: 97656
 2010-03-03 19:03:45 +00:00
John McCall 515c3c548c Sketch out an implementation for __builtin_dwarf_cfa. I have no idea 
why the front-end is calculating the argument to llvm.eh.dwarf.cfa().

llvm-svn: 97653
 2010-03-03 10:30:05 +00:00
John McCall 66769f8544 Implement __builtin_eh_return. 
llvm-svn: 97643
 2010-03-03 05:38:58 +00:00
John McCall d4f4b7f5ee Add proper target hooks for __builtin_extract_return_address and 
__builtin_frob_return_address.  The implementations for both are
still trivial in the default case.

llvm-svn: 97638
 2010-03-03 04:15:11 +00:00
John McCall b6cc2c0439 Inspired by seeing "MIPS" go by in the commits, I've gone ahead and 
implemented a (codegen) target hook for __builtin_extend_pointer.
I'm also making it return a uint64_t instead of an unsigned word;  this
comports with typical usage (i.e. the one use I know of).

I don't know if any of the existing targets requires this hook to be
set (other than x86 and x86_64, which I know do not).

llvm-svn: 97547
 2010-03-02 03:50:12 +00:00
John McCall 4b613fae35 After much consultation aimed at figuring out what this builtin actually 
does, document the results and then implement __builtin_extend_pointer for
platforms where it's a no-op.

llvm-svn: 97540
 2010-03-02 02:31:24 +00:00
Daniel Dunbar a7566f163a IRgen: Add CreateMemTemp, for creating an temporary memory object for a particular type, and flood fill. - CreateMemTemp sets the alignment on the alloca correctly, which fixes a great many places in IRgen where we were doing the wrong thing. 
- This fixes many many more places than the test case, but my feeling is we need to audit alignment systematically so I'm not inclined to try hard to test the individual fixes in this patch. If this bothers you, patches welcome!

PR6240.

llvm-svn: 95648
 2010-02-09 02:48:28 +00:00
Daniel Dunbar 8848175547 IRgen: Fix some CreateTempAlloca calls to use ConvertTypeForMem when that is 
conceptually correct. Review appreciated (Chris, Eli, Anders).

llvm-svn: 95401
 2010-02-05 18:56:49 +00:00
Eli Friedman d6ef69a7db Add bzero builtin; this should help codegen quality for code using this 
function.

llvm-svn: 94320
 2010-01-23 19:00:10 +00:00
David Chisnall 481e3a87fe Created __builtin___NSStringMakeConstantString() builtin, which generates constant Objective-C strings. 
llvm-svn: 94274
 2010-01-23 02:40:42 +00:00
Tanya Lattner dbfd16014a Add codgen for BI__builtin_llvm_memory_barrier. 
llvm-svn: 93611
 2010-01-16 01:21:14 +00:00
Anton Korobeynikov 73d50b9141 Promote arguments of frameaddr / returnaddr builtins to i32 type, when needed. 
This is needed for the platforms, where bitwidth of "int" is not 32 bits
(e.g. 16 on msp430).

llvm-svn: 92176
 2009-12-27 14:27:22 +00:00
Anders Carlsson 1749083e2e Fill in the return value slot in CGExprAgg::VisitCallExpr. This takes us halfway towards fixing PR5824. 
llvm-svn: 92142
 2009-12-24 20:40:36 +00:00
Anders Carlsson 0435ed5875 Add a ReturnValueSlot class. Change the argument order in EmitCall to match the other overload better. 
llvm-svn: 92136
 2009-12-24 19:08:58 +00:00
Eric Christopher c87915629b Update for the intrinsic changes in llvm: the object size intrinsic 
only takes a boolean second argument now. Update tests accordingly.
Currently the builtin still accepts the full range for compatibility.

llvm-svn: 91983
 2009-12-23 03:49:37 +00:00
Daniel Dunbar 91b640abfc Fix a few MSVC warnings. 
llvm-svn: 91714
 2009-12-18 20:58:47 +00:00
Eli Friedman 7f4933f6c7 Fix for PR5801: codegen memcpy, memmove, memset directly to LLVM intrinsics. 
llvm-svn: 91573
 2009-12-17 00:14:28 +00:00
Mike Stump b85ffb689e Add an addition check for undefined behavior for when we hit a 
__builtin_unreachable.  WIP.

llvm-svn: 91499
 2009-12-16 03:07:12 +00:00
Nate Begeman 67dfd4236a Revert mmx palignr to use an intrinsic, since mmx shuffle patterns are missing. 
llvm-svn: 91269
 2009-12-14 05:15:02 +00:00
Nate Begeman 72ec6bc6f4 Support x86's PALIGNR instruction without the use of a palignr intrinsic. 
llvm-svn: 91264
 2009-12-14 04:57:03 +00:00
Mike Stump 52d7141186 Remove obsolete fallback code for objectsize. 
llvm-svn: 90780
 2009-12-07 18:58:11 +00:00
Eric Christopher c377c81dcf Update for llvm intrinsics change. 
llvm-svn: 90208
 2009-12-01 05:00:51 +00:00
Daniel Dunbar 1dd0164bbe Explicitly use setVolatile instead of extra IRBuilder argument. 
llvm-svn: 90095
 2009-11-29 21:11:47 +00:00
Duncan Sands 7876dad8e7 Pass a value for the isSigned parameter of CreateIntCast, rather than 
passing the name (an exotic way of specifying that the result is signed!).

llvm-svn: 88909
 2009-11-16 13:11:21 +00:00
Mike Stump 68ec7ee0e8 Enable the use of the new llvm objectsize intrinsic. 
llvm-svn: 86607
 2009-11-09 22:40:09 +00:00
Mike Stump 876387ba4f __builtin_object_size refinements. Ensure we handle expressions with 
side-effects up front, as when we switch to the llvm intrinsic call
for __builtin_object_size later, it will have two evaluations.

We also finish off the intrinsic version of the code so we can just
turn it on once llvm has the intrinsic.

llvm-svn: 85324
 2009-10-27 22:09:17 +00:00
Mike Stump 7a484dd6a9 Prep for future __builtin_object_size refinements. The theory is that 
someone will add an llvm intrinsic for us to use, so the optimizer can
figure out the hard cases.  WIP.

For those that want to help, double check with Eric before starting.
He has a bit of code this will plug into.

llvm-svn: 85175
 2009-10-26 23:39:48 +00:00
Benjamin Kramer abd5b90e4c Simplify pointer creation with the new Type::getInt*Ptr methods. 
llvm-svn: 83964
 2009-10-13 10:07:13 +00:00
Chris Lattner bf20638966 Implement __builtin_unreachable(), a GCC 4.5 extension. 
llvm-svn: 82433
 2009-09-21 03:09:59 +00:00
Daniel Dunbar ff0553ec61 Fix subtle bug in generating LLVM function declarations for builtin functions. 
The decl wasn't being passed down, which meant that function attributes were not
being set correctly. This is particularly important for ARM, since it wants to
override the calling convention. Instead we would emit the builtin with the
wrong calling convention, and instcombine would come along and merrily shred all
the calls to it. :)

llvm-svn: 81756
 2009-09-14 04:33:21 +00:00
Mike Stump 11289f4280 Remove tabs, and whitespace cleanups. 
llvm-svn: 81346
 2009-09-09 15:08:12 +00:00
Eli Friedman 1c277d0fe8 PR4836, part 2: CodeGen for __builtin_isnan. 
llvm-svn: 80655
 2009-09-01 04:19:44 +00:00
Daniel Dunbar 576d90d39b Remove TargetInfo::getTargetPrefix(). 
llvm-svn: 79907
 2009-08-24 09:54:37 +00:00
Owen Anderson 41a750271b Update for LLVM API change. 
llvm-svn: 78946
 2009-08-13 21:57:51 +00:00
Owen Anderson 0b75f23b94 Update for LLVM API change. 
llvm-svn: 77722
 2009-07-31 20:28:54 +00:00
Owen Anderson 7ec07a573c Update for LLVM API changes. 
llvm-svn: 77638
 2009-07-30 23:11:26 +00:00
Owen Anderson 9793f0e4d7 Update for LLVM API change. 
llvm-svn: 77514
 2009-07-29 22:16:19 +00:00
Owen Anderson e05f2ed478 Update for LLVM API change. 
llvm-svn: 77249
 2009-07-27 21:00:51 +00:00