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22865 Commits

Author SHA1 Message Date
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TargetLowering's list getting out of date with SelectionDAG's.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
Dale Johannesen
d758175889 Don't try to create PHIs of struct types. Fallout 
from x86-64 calling convention work.

llvm-svn: 50545
 2008-05-01 22:27:44 +00:00
Dan Gohman
793c9fed45 Fix an overaggressive SimplifyDemandedBits optimization on urem. This 
fixes the 254.gap regression on x86 and the 403.gcc regression on x86-64.

llvm-svn: 50537
 2008-05-01 19:13:24 +00:00
Chris Lattner
e9bbe8e6b6 don't randomly miscompile seto/setuo just because we are in 
ffastmath mode.  This fixes rdar://5902801, a miscompilation
of gcc.dg/builtins-8.c.

Bill, please pull this into Tak.

llvm-svn: 50523
 2008-05-01 07:26:11 +00:00
Chris Lattner
ab0c73a95c 1) add '-debug' output 
2) Return NULL instead of false in several places for tidiness.
3) fix a bug optimizing  sprintf(p, "%c", x)

llvm-svn: 50521
 2008-05-01 06:39:12 +00:00
Chris Lattner
be2bafbe92 Delete the IPO simplify-libcalls and completely reimplement it as 
a FunctionPass.  This makes it simpler, fixes dozens of bugs, adds
a couple of minor features, and shrinks is considerably: from
2214 to 1437 lines.

llvm-svn: 50520
 2008-05-01 06:25:24 +00:00
Chris Lattner
757d7d318a fix a bug in my previous patch, a classic =/== bug. 
llvm-svn: 50483
 2008-04-30 15:27:09 +00:00
Arnold Schwaighofer
f58a35e2ec Tail call optimization improvements: 
Move platform independent code (lowering of possibly overwritten
arguments, check for tail call optimization eligibility) from
target X86ISelectionLowering.cpp to TargetLowering.h and
SelectionDAGISel.cpp.

Initial PowerPC tail call implementation:

Support ppc32 implemented and tested (passes my tests and
test-suite llvm-test).  
Support ppc64 implemented and half tested (passes my tests).
On ppc tail call optimization is performed if 
  caller and callee are fastcc
  call is a tail call (in tail call position, call followed by ret)
  no variable argument lists or byval arguments
  option -tailcallopt is enabled
Supported:
 * non pic tail calls on linux/darwin
 * module-local tail calls on linux(PIC/GOT)/darwin(PIC)
 * inter-module tail calls on darwin(PIC)
If constraints are not met a normal call will be emitted.

A test checking the argument lowering behaviour on x86-64 was added.

llvm-svn: 50477
 2008-04-30 09:16:33 +00:00
Gabor Greif
134707f8e8 fcntl.h is pretty standard on unix (without the sys/) 
llvm-svn: 50475
 2008-04-30 08:53:22 +00:00
Owen Anderson
aaa86b3249 This condition got inverted accidentally. 
llvm-svn: 50473
 2008-04-30 07:16:33 +00:00
Chris Lattner
15195e00ee move lowering of llvm.memset -> store from simplify libcalls 
to instcombine.

llvm-svn: 50472
 2008-04-30 06:39:11 +00:00
Chris Lattner
710d05695f add a method for comparing to see if a value has a specified name. 
llvm-svn: 50465
 2008-04-30 03:55:40 +00:00