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Author SHA1 Message Date
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
Chris Lattner
5346b6b0a7 verify builtin optimization works like gcc. 
llvm-svn: 50594
 2008-05-02 22:07:34 +00:00
Chris Lattner
7b9b1fe01a move libcalls to the same place llvm-gcc has it. 
llvm-svn: 50593
 2008-05-02 22:05:06 +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
Chris Lattner
8cc3e89b87 specify an arch for non-x86 hosts. 
llvm-svn: 50576
 2008-05-02 15:11:58 +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
04e2b94842 Update old-style syntax in some "not grep" tests. 
llvm-svn: 50560
 2008-05-01 23:50:07 +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
4ab8b00dfa New test for bug fixed in 50545. 
llvm-svn: 50548
 2008-05-01 22:50:14 +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
Bill Wendling
81b5245cec Adding testcase. 
llvm-svn: 50536
 2008-05-01 18:41:09 +00:00
Ted Kremenek
9d8f6a05b6 Initialize a local variable. 
llvm-svn: 50527
 2008-05-01 17:08:00 +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
9d73228708 fix typo 
llvm-svn: 50519
 2008-05-01 06:16:48 +00:00
Chris Lattner
9a678d6f55 instcombine does memset optzns. 
llvm-svn: 50518
 2008-05-01 06:16:38 +00:00
Chris Lattner
926efd9174 simplifylibcalls doesn't optimize llvm.memmove, instcombine does. 
llvm-svn: 50517
 2008-05-01 06:14:24 +00:00
Chris Lattner
d4bf588b85 move some tests from libcall optimizer suite. 
llvm-svn: 50516
 2008-05-01 06:13:48 +00:00
Chris Lattner
3835284f4c Add CreateCall3/CreateCall4 at Eric's request. 
llvm-svn: 50515
 2008-05-01 05:23:45 +00:00
Chris Lattner
09cf777a96 Add a spiffy little "CreateCall2" method, which can be used to make 
a function call that takes two Value*'s as arguments.

llvm-svn: 50514
 2008-05-01 05:11:00 +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
29a654857a Really commit the test checking the argument lowering behaviour on x86-64 :). 
llvm-svn: 50478
 2008-04-30 09:19:47 +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
f8c80ca156 Move this test to LoopDeletion, where it now passes. 
llvm-svn: 50474
 2008-04-30 07:17:22 +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
ce01263bff no reason for simplifylibcalls to simplify intrinsics, instcombine does 
a fine job.

llvm-svn: 50470
 2008-04-30 06:12:15 +00:00
Chris Lattner
a62a4d407a remove redundant check. 
llvm-svn: 50469
 2008-04-30 06:06:37 +00:00
Chris Lattner
8f27116c1d add missing #include 
llvm-svn: 50468
 2008-04-30 04:56:14 +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
Chris Lattner
844e32537d use string length computation to generalize several xforms. 
llvm-svn: 50464
 2008-04-30 03:07:53 +00:00
Dale Johannesen
c15de2b0a7 Add comments for previous patch as requested. 
llvm-svn: 50463
 2008-04-30 00:43:29 +00:00
Scott Michel
9dec950785 Bug fixes and updates for CellSPU, syncing up with trunk. Most notable 
fixes are target-specific lowering of frame indices, fix constants generated
for the FSMBI instruction, and fixing SPUTargetLowering::computeMaskedBitsFor-
TargetNode().

llvm-svn: 50462
 2008-04-30 00:30:08 +00:00
Scott Michel
ea31e77f83 Fix custom target lowering for zero/any/sign_extend: make sure that 
DAG.UpdateNodeOperands() is called before (not after) the call to
TLI.LowerOperation().

llvm-svn: 50461
 2008-04-30 00:26:38 +00:00
Dale Johannesen
78acf71493 Make eh_frame objects by 8-byte aligned on 64-bit 
targets.

llvm-svn: 50451
 2008-04-29 22:58:20 +00:00
John Criswell
a806bf2de1 Minor spelling and typo fixes. 
llvm-svn: 50448
 2008-04-29 22:12:40 +00:00
Owen Anderson
cc69e3444e Revert r50441. The original code was correct. Add some more comments so that I don't make the same mistake in the future. 
llvm-svn: 50446
 2008-04-29 21:51:00 +00:00