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4165 Commits

Author SHA1 Message Date
Dale Johannesen ff4c3be741 Long double, part 1 of N. Support in IR. 
llvm-svn: 40774
 2007-08-03 01:03:46 +00:00
Dan Gohman 8932bff7fe Fix the alignment requirements of several unpck and shuf instructions. 
Generalize isPSHUFDMask and add a unary SHUFPD pattern so that SHUFPD's
memory operand alignment can be tested as well, with a fix to avoid
breaking MMX's use of isPSHUFDMask.

llvm-svn: 40756
 2007-08-02 21:17:01 +00:00
Chris Lattner 9ea0287e25 I don't have time to restore this functionality right now. 
llvm-svn: 40743
 2007-08-02 17:43:39 +00:00
Chris Lattner 498137dbfc Reduced testcase for PR1594 
llvm-svn: 40740
 2007-08-02 17:11:24 +00:00
Devang Patel a882328e61 Update dominator info for the middle blocks created while spliting 
exit edge to preserve LCSSA.

Fix dominance frontier update during loop unswitch. This fixes PR 1589, again

llvm-svn: 40737
 2007-08-02 15:25:57 +00:00
Dan Gohman fa3eeeedc0 Mark the SSE and MMX load instructions that 
X86InstrInfo::isReallyTriviallyReMaterializable knows how to handle
with the isReMaterializable flag so that it is given a chance to handle
them. Without hoisting constant-pool loads from loops this isn't very
visible, though it does keep CodeGen/X86/constant-pool-remat-0.ll from
making a copy of the constant pool on the stack.

llvm-svn: 40736
 2007-08-02 14:27:55 +00:00
Chris Lattner b0418fc607 Enhance instcombine to be more aggressive about folding casts of 
operations of casts.  This implements InstCombine/zext-fold.ll

llvm-svn: 40726
 2007-08-02 06:11:14 +00:00
Evan Cheng 824693c87a Fix test. 
llvm-svn: 40721
 2007-08-02 05:04:16 +00:00
Chris Lattner d7cb625a9e Fix PR1575 and test/Transforms/CondProp/2007-08-01-InvalidRead.ll 
llvm-svn: 40720
 2007-08-02 04:47:05 +00:00
Christopher Lamb 1a80201426 Teach BasicAA about noalias parameter attributes, but do it correctly this time. 
llvm-svn: 40711
 2007-08-02 01:18:14 +00:00
Reid Spencer ae4675226e Make sure these tests pass for the right reasons (verifier error, rather than 
failure to assemble).

llvm-svn: 40696
 2007-08-01 23:07:36 +00:00
Devang Patel 561b0c29a3 Update dominator info for the middle blocks created while spliting 
exit edge to preserve LCSSA.

Fix dominance frontier update during loop unswitch. This fixes PR 1589.

llvm-svn: 40695
 2007-08-01 22:23:50 +00:00
Evan Cheng 41ccce7169 New test. Bogus implicit-def prevented a copy from being coalesced. 
llvm-svn: 40690
 2007-08-01 20:26:40 +00:00
Lauro Ramos Venancio e2e7e384e3 Add a test for the load/store alignment. 
llvm-svn: 40687
 2007-08-01 20:07:59 +00:00
Lauro Ramos Venancio 0db4418a5f Expand unaligned loads/stores when the target doesn't support them. (PR1548) 
llvm-svn: 40682
 2007-08-01 19:34:21 +00:00
Christopher Lamb 3567bd863f Clean up C++ restrict test cases and add a test for restrict qualified methods. 
llvm-svn: 40681
 2007-08-01 18:48:29 +00:00
Chris Lattner bc1a69684c these tests aren't xfailed. 
llvm-svn: 40680
 2007-08-01 18:37:44 +00:00
Chris Lattner 9182684222 we're now handling this right :) 
llvm-svn: 40675
 2007-08-01 17:10:30 +00:00
Owen Anderson 4d34e40c6d Forgot to update these files for the FastDSE changes. 
llvm-svn: 40674
 2007-08-01 16:53:51 +00:00
Owen Anderson 10e52eddb3 Rename FastDSE to just DSE. 
llvm-svn: 40668
 2007-08-01 06:36:51 +00:00
Evan Cheng 09a141df31 Requires SSE2. 
llvm-svn: 40657
 2007-08-01 00:10:12 +00:00
Owen Anderson 2464f4f048 Fix a failure I accidentally caused in my last commit by mishandling the 
removal of redundant phis.

llvm-svn: 40650
 2007-07-31 20:18:28 +00:00
Lauro Ramos Venancio 549e775e67 Fix a bug in GetKnownAlignment of packed structs. 
llvm-svn: 40649
 2007-07-31 20:13:21 +00:00
Dan Gohman 54ec4bfa5f Change the x86 assembly output to use tab characters to separate the 
mnemonics from their operands instead of single spaces. This makes the
assembly output a little more consistent with various other compilers
(f.e. GCC), and slightly easier to read. Also, update the regression
tests accordingly.

llvm-svn: 40648
 2007-07-31 20:11:57 +00:00
Owen Anderson d58fa6b09f Fix a misoptimization in aha. 
llvm-svn: 40642
 2007-07-31 17:43:14 +00:00
Chris Lattner 03708acd4e new testcase 
llvm-svn: 40636
 2007-07-31 16:18:25 +00:00
Christopher Lamb 283152404d Revert overly aggressive interpretation of noalias 
llvm-svn: 40635
 2007-07-31 16:18:07 +00:00
Devang Patel dd34d91e1a Bunch of tests to check loop passes. 
llvm-svn: 40629
 2007-07-31 08:04:17 +00:00
Evan Cheng 12c6be84ff Redo and generalize previously removed opt for pinsrw: (vextract (v4i32 bc (v4f32 s2v (f32 load ))), 0) -> (i32 load ) 
llvm-svn: 40628
 2007-07-31 08:04:03 +00:00
Christopher Lamb b08423b36e Teach BasicAA about noalias function parameters. Passes all of DejaGNU and test-suite. 
llvm-svn: 40624
 2007-07-31 07:04:51 +00:00
Christopher Lamb fc1bd87814 Un-XFAIL these tests after r40622 fixed them. 
llvm-svn: 40623
 2007-07-31 07:03:24 +00:00
Reid Spencer d45d07ac72 For PR1553: 
Make the AsmParser auto-upgrade the old zext and sext
keywords for parameter attributes and handle the 
end-of-line ambiguity.

llvm-svn: 40610
 2007-07-31 02:57:37 +00:00
Dan Gohman 4ff9fb14f6 Fix a bug in getCopyFromParts turned up in the testcase for PR1132. 
llvm-svn: 40598
 2007-07-30 19:09:17 +00:00
Owen Anderson d66e285b2e Fix a bug caused by indiscriminantly asking for the dominators of a predecessor. 
llvm-svn: 40595
 2007-07-30 16:57:08 +00:00
Evan Cheng c8780b0ae9 New test case. 
llvm-svn: 40587
 2007-07-30 07:52:03 +00:00
Christopher Lamb 3fbfad3547 Add tests for generating noalias parameter attribute from __restrict qualified function parameters. C++ tests are currently XFAILing see PR1582. 
llvm-svn: 40583
 2007-07-29 23:29:16 +00:00
Reid Spencer 7717ff5368 Be explicit about which level of optimization is being asked for. The -O option 
is equivalent to -O1.

llvm-svn: 40581
 2007-07-29 18:23:22 +00:00
Nick Lewycky 62989d6775 Make this explictly signed. Fixes PR1571. 
llvm-svn: 40569
 2007-07-28 16:43:10 +00:00
Dan Gohman 4788552deb Re-apply 40504, but with a fix for the segfault it caused in oggenc: 
Make the alignedload and alignedstore patterns always require 16-byte
alignment. This way when they are used in the "Fs" instructions, in which
a vector instruction is used for a scalar purpose, they can still require
the full vector alignment. And add a regression test for this.

llvm-svn: 40555
 2007-07-27 17:16:43 +00:00
Evan Cheng 931de40afa Reverting 40504 for now. It's breaking oggenc. 
llvm-svn: 40547
 2007-07-27 01:37:47 +00:00
Owen Anderson 0f692f27a3 Fix a bug introduced in my last commit. 
llvm-svn: 40542
 2007-07-26 18:57:04 +00:00
Owen Anderson dbf23ccaa0 Fix a couple more bugs in the phi construction by pulling in code that does 
almost the same things from LCSSA.

llvm-svn: 40540
 2007-07-26 18:26:51 +00:00
Evan Cheng dfa5d283fd Test case for PR1573. 
llvm-svn: 40539
 2007-07-26 17:45:57 +00:00
Evan Cheng e9ba8e0765 Fix test. 
llvm-svn: 40536
 2007-07-26 17:07:03 +00:00
Dan Gohman 8455bd3fae Remove X86ISD::LOAD_PACK and X86ISD::LOAD_UA and associated code from the 
x86 target, replacing them with the new alignment attributes on memory
references.

llvm-svn: 40504
 2007-07-26 00:31:09 +00:00
Owen Anderson 3b8cc30a61 Fix what is _hopefully_ the last corner case for loops. 
llvm-svn: 40503
 2007-07-25 23:54:42 +00:00
Owen Anderson 8707412593 My last commit was not correct for nested loops. Fix it, and add a testcase for it. 
llvm-svn: 40498
 2007-07-25 22:19:40 +00:00
Owen Anderson 3c67004d47 Fix an infinite loop on 300.twolf. 
llvm-svn: 40497
 2007-07-25 22:03:06 +00:00
Owen Anderson 9b796348bd Fix a bug in non-local memdep that was causing an infinite loop on 175.vpr. 
llvm-svn: 40495
 2007-07-25 21:26:36 +00:00
Owen Anderson 7bf26ee444 Fix a bug that was causing GVN to crash on 252.eon. 
llvm-svn: 40494
 2007-07-25 21:13:41 +00:00