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6f4e916c6a
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22876 Commits

Author SHA1 Message Date
Duncan Sands
6f4e916c6a Output correct exception handling and frame info 
on x86-64 linux.  This causes no regressions on
32 bit linux and 32 bit ppc.  More tests pass
on 64 bit ppc with no regressions.  I didn't
turn on eh on 64 bit linux because the intrinsics
needed to compile the eh runtime aren't done
yet.  But if you turn it on and link with the
mainline runtime then eh seems to work fine
on x86-64 linux with this patch.  Thanks to
Dale for testing.  The main point of the patch
is that if you output that some object is
encoded using 4 bytes you had better not output
8 bytes for it: the patch makes everything
consistent.

llvm-svn: 50825
 2008-05-07 19:11:09 +00:00
Chris Lattner
e70ff7b21c Add a new interface for describing the behavior of library calls. This 
Currently is sufficient to describe mod/ref behavior but will hopefully
eventually be extended for other purposes.

This isn't used by anything yet.

llvm-svn: 50820
 2008-05-07 18:21:13 +00:00
Evan Cheng
c86c035346 Yet another nasty spiller bug. 
%ecx = op
store %cl<kill>, (addr)
(addr) = op %al

It's not safe to unfold the last operand and eliminate store even though %cl is marked kill. It's a sub-register use which means one of its super-register(s) may be used below.

llvm-svn: 50794
 2008-05-07 00:49:28 +00:00
Dan Gohman
6ea87fa437 Fix a bug in the ComputeMaskedBits logic for multiply. 
llvm-svn: 50793
 2008-05-07 00:35:55 +00:00
Anton Korobeynikov
ef80f5dbca If weak GlobalVariable was bitcast'ed to different type during linking 
we will need to strip all casts for intializer lookup.

llvm-svn: 50776
 2008-05-06 22:52:54 +00:00
Anton Korobeynikov
90ee6d6616 Make StripPointerCast a common function (should we mak it method of Value instead?) 
llvm-svn: 50775
 2008-05-06 22:52:30 +00:00
Owen Anderson
d82a778214 We need to update PHIs containing the exiting block, not the exit block. We really should come up with better names for these. 
llvm-svn: 50770
 2008-05-06 20:55:16 +00:00
Devang Patel
c5aee6c84d Fix typo. 
llvm-svn: 50713
 2008-05-06 05:40:11 +00:00
Nick Lewycky
6705f7577b Fix typo and indentation. 
llvm-svn: 50706
 2008-05-06 04:03:18 +00:00
Nick Lewycky
2121ef05f4 Fix renamePathOnDisk on Win32, patch from David Leon. This fixes problems with 
llvm-ar being unable to rename files.

llvm-svn: 50702
 2008-05-06 03:42:21 +00:00
Chris Lattner
a75e149023 fix typo Duncan noticed 
llvm-svn: 50699
 2008-05-06 02:31:18 +00:00
Chris Lattner
d46c148cf8 Match things like 'armv5tejl-unknown-linux-gnu' for PR2290 
llvm-svn: 50698
 2008-05-06 02:29:28 +00:00
Dan Gohman
d4a670284c Make several variable declarations static. 
llvm-svn: 50696
 2008-05-06 01:53:16 +00:00
Dan Gohman
a84b75df17 Remove uses of llvm/System/IncludeFile.h that are no longer needed. 
llvm-svn: 50695
 2008-05-06 01:32:53 +00:00
Dan Gohman
0ad61a718c Instead of enumerating each opcode that isn't handled that 
ComputeMaskedBits handles, just use a 'default:'. This avoids
TargetLowering's list getting out of date with SelectionDAG's.

llvm-svn: 50693
 2008-05-06 00:53:29 +00:00
Dan Gohman
faf9df7227 Correct the value of LowBits in srem and urem handling in 
ComputeMaskedBits.

llvm-svn: 50692
 2008-05-06 00:51:48 +00:00
Dan Gohman
f7f3f7ab8f Fix a broken doxygen comment, and reword it for clarity. 
llvm-svn: 50687
 2008-05-06 00:20:10 +00:00
Chris Lattner
9f4f2444ea add a micro optzn. 
llvm-svn: 50681
 2008-05-05 23:19:45 +00:00
Mon P Wang
34b3f18a70 Improved generated code for atomic operators 
llvm-svn: 50677
 2008-05-05 22:56:23 +00:00
Evan Cheng
44d49e72a1 Code clean up. No functionality change. 
llvm-svn: 50675
 2008-05-05 22:12:23 +00:00
Bill Wendling
5234187c50 Fix: Some classes were derived from a class in an anonymous namespace, but they 
themselves weren't in the anonymous namespace.

llvm-svn: 50673
 2008-05-05 21:37:59 +00:00
Chris Lattner
50d16c2939 Fix a crash when threading a block that includes a MRV call result. 
DemoteRegToStack doesn't work with MRVs yet, because it relies on the
ability to load/store things.

This fixes PR2285.

llvm-svn: 50667
 2008-05-05 20:21:22 +00:00
Mon P Wang
84a269e023 Added addition atomic instrinsics and, or, xor, min, and max. 
llvm-svn: 50663
 2008-05-05 19:05:59 +00:00
Dan Gohman
4a674dc536 Fix IsLinux being uninitialized on non-Linux targets. 
llvm-svn: 50660
 2008-05-05 18:43:07 +00:00
Evan Cheng
d9353009b7 Fix more -Wshorten-64-to-32 warnings. 
llvm-svn: 50659
 2008-05-05 18:30:58 +00:00
Anton Korobeynikov
12c48230f9 Fix 80col violation 
llvm-svn: 50654
 2008-05-05 17:08:59 +00:00
Dan Gohman
3dfc43343b Fix a bug in the ELF writer that caused it to produce malformed 
ELF headers. The ELF writer still isn't generally usable though.

llvm-svn: 50652
 2008-05-05 16:48:32 +00:00
Dan Gohman
8ee7bf053e Use a dedicated IsLinux flag instead of an ELFLinux TargetType. 
llvm-svn: 50649
 2008-05-05 16:11:31 +00:00
Dan Gohman
c860d9c77c Add AsmPrinter support for emitting a directive to declare that 
the code being generated does not require an executable stack.

Also, add target-specific code to make use of this on Linux
on x86. 

llvm-svn: 50634
 2008-05-05 00:28:39 +00:00
Anton Korobeynikov
04c974b1b2 Add General Dynamic TLS model for X86-64. Some parts looks really ugly (look for tlsaddr pattern), 
but should work. Work is in progress, more models will follow

llvm-svn: 50630
 2008-05-04 21:36:32 +00:00
Chris Lattner
57a81e6804 regenerate 
llvm-svn: 50621
 2008-05-04 17:18:47 +00:00
Gordon Henriksen
6f33fd36ab Use (void) instead of () in C code. 
llvm-svn: 50620
 2008-05-04 12:55:34 +00:00
Evan Cheng
a7747df955 Select vector shift with non-immediate i32 shift amount operand by first moving the operand into the right register. 
llvm-svn: 50619
 2008-05-04 09:15:50 +00:00
Torok Edwin
a68816f876 processStore may delete the instruction, avoid 
using dyn_cast<> on already freed memory.

llvm-svn: 50618
 2008-05-04 08:51:25 +00:00
Torok Edwin
d016bb2685 Implement destructor for PostDominatorTree to eliminate a memory leak. 
llvm-svn: 50607
 2008-05-03 20:25:26 +00:00
Devang Patel
e8518dd7ff Handle multiple return values. 
llvm-svn: 50604
 2008-05-03 01:12:15 +00:00
Evan Cheng
c1c2adbfc6 Add separate intrinsics for MMX / SSE shifts with i32 integer operands. This allow us to simplify the horribly complicated matching code. 
llvm-svn: 50601
 2008-05-03 00:52:09 +00:00
Devang Patel
b3112b4417 Do not sink getresult. 
llvm-svn: 50600
 2008-05-03 00:36:30 +00:00
Devang Patel
4b2359feec Add assert. 
llvm-svn: 50596
 2008-05-02 22:13:33 +00:00
Dan Gohman
27156711ef Fix a mistake in the computation of leading zeros for udiv. 
llvm-svn: 50591
 2008-05-02 21:30:02 +00:00
Evan Cheng
c2d34f03bf Suppress -Wshorten-64-to-32 warnings for 64-bit hosts. 
llvm-svn: 50590
 2008-05-02 21:15:08 +00:00
Chris Lattner
96467cc665 strength reduce exp2 into ldexp, rdar://5852514 
llvm-svn: 50586
 2008-05-02 18:43:35 +00:00
Chris Lattner
e45796cb56 add a FIXME so we remember to eventually remove this code. 
llvm-svn: 50582
 2008-05-02 17:18:31 +00:00
Evan Cheng
90b9027f68 Undo r50574. We are already ensuring the folded load address is 16-byte aligned. 
llvm-svn: 50578
 2008-05-02 17:01:01 +00:00
Evan Cheng
583a346ec6 80 column violation. 
llvm-svn: 50575
 2008-05-02 07:53:32 +00:00
Evan Cheng
862e3a147c Not safe folding a load + FsXORPSrr into FsXORPSrm. It's loading a FR64 value but the load folding variant expects a 16-byte aligned address. 
llvm-svn: 50574
 2008-05-02 07:50:58 +00:00
Bill Wendling
277f2a205d Porting r50563 from Tak to mainline. 
llvm-svn: 50564
 2008-05-02 00:43:20 +00:00
Dan Gohman
4de7fe7ddc Fix a typo in a comment. 
llvm-svn: 50562
 2008-05-02 00:05:03 +00:00
Dan Gohman
a55bbcacce Use push_back(...) instead of resize(1, ...), per review feedback. 
llvm-svn: 50561
 2008-05-02 00:03:54 +00:00
Dan Gohman
148b1904fe Fix uninitialized uses of the FPC variable. 
llvm-svn: 50558
 2008-05-01 23:40:44 +00:00