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Author SHA1 Message Date
Dan Gohman
133708df57 Use 0 instead of false to return a null pointer. 
llvm-svn: 57660
 2008-10-17 00:56:52 +00:00
Dan Gohman
5a693288f6 Fix this test so it actually runs the grep lines. 
llvm-svn: 57653
 2008-10-16 23:57:54 +00:00
Dan Gohman
90f776986d Trim #includes. 
llvm-svn: 57649
 2008-10-16 20:18:31 +00:00
Chris Lattner
39f881ab69 fix typo noticed by sdt 
llvm-svn: 57644
 2008-10-16 17:02:50 +00:00
Gabor Greif
2fa8672ee6 Introduce a typing refinenement on tagged data 
using the 'volatile' qualifier. This should not have any operational consequences
on code, because tags should always be stripped off (giving a non-volatile pointer)
before dereferencing. The new qualification is there to catch some attempts to use
tagged pointers in a context where an untagged pointer is appropriate.

Notably this approach does not catch dereferencing of tagged pointers, but helps
in separating the two concepts a bit.

llvm-svn: 57641
 2008-10-16 15:33:02 +00:00
Mikhail Glushenkov
6e23483516 Re-apply Makefile changes. Fix build with srcdir != objdir. 
llvm-svn: 57636
 2008-10-16 14:02:29 +00:00
Duncan Sands
1349af7df4 Fix warnings about mb/me being potentially used 
uninitialized in these functions with gcc-4.3.

llvm-svn: 57635
 2008-10-16 13:02:33 +00:00
Duncan Sands
e6315b4179 Fix "large integer implicitly truncated to unsigned type" 
warning on x86-64 with gcc-4.3.

llvm-svn: 57634
 2008-10-16 09:14:58 +00:00
Duncan Sands
10e931facf Testcase for PR2762. 
llvm-svn: 57633
 2008-10-16 08:56:46 +00:00
Chris Lattner
9afb6adf17 add some notes 
llvm-svn: 57631
 2008-10-16 07:04:06 +00:00
Chris Lattner
9d39b11d10 add some notes and a file to collect unimplemented features in the 
x86 backend.  These will all be answered with "patches welcome", so
a PR doesn't help drive them along.

llvm-svn: 57630
 2008-10-16 06:46:12 +00:00
Chris Lattner
562984c110 mark some targets as experimental. Andrew, if you think that Alpha is 
basically working, feel free to remove the tag.  The other targets have
really basic things that break them.

llvm-svn: 57628
 2008-10-16 06:16:50 +00:00
Chris Lattner
6d79672ba0 Verify prefetch arguments, PR2576. 
llvm-svn: 57626
 2008-10-16 06:00:36 +00:00
Chris Lattner
3048ccc1f9 apply Eli's patch for PR2165 and provide a testcase. 
llvm-svn: 57625
 2008-10-16 05:26:51 +00:00
Dan Gohman
86527c1834 Const-ify several TargetInstrInfo methods. 
llvm-svn: 57622
 2008-10-16 01:49:15 +00:00
Dan Gohman
991376be85 Remove an unused variable. 
llvm-svn: 57621
 2008-10-16 01:47:47 +00:00
Dan Gohman
11c8a9a63a Fix Instruction::isIdenticalTo and isSameOperationAs to recognize 
additional information in Loads, Stores, Calls, Invokes,
InsertValueInsts, and ExtractValueInsts.

llvm-svn: 57620
 2008-10-16 01:24:45 +00:00
Zhongxing Xu
b187adcf5a Fix a calculation error in comments. 
llvm-svn: 57619
 2008-10-16 01:21:44 +00:00
Dan Gohman
3526f97d13 Rename AliasSet to SubRegs, to reflect changes in the surrounding code. 
llvm-svn: 57618
 2008-10-16 01:06:18 +00:00
Dan Gohman
46dafc2fb9 Move the include of MachineLocation.h into MachineModuleInfo.h 
because it declares a std::vector<MachineMove>, and strict
concept checking requires the definition of MachineMove to be
available.

llvm-svn: 57617
 2008-10-16 00:20:14 +00:00
Dan Gohman
440dea174f Implement a SmallVector insert method that can insert multiple 
copies of a value, and add several additional utilities to make
SmallVector better conform to the Container concept.

llvm-svn: 57616
 2008-10-16 00:15:24 +00:00
Dan Gohman
307b390231 Fix several places that called mapped_iterator's constructor without 
passing in a function object.

llvm-svn: 57615
 2008-10-16 00:12:39 +00:00
Dan Gohman
8075c32a55 Fix a subtle bug in DeadMachineInstructionElim's liveness 
computation. A def of a register doesn't necessarily kill
live super-registers.

llvm-svn: 57614
 2008-10-16 00:11:23 +00:00
Dan Gohman
6dba6b2384 Fix the predicate for memop64 to be a regular load, not just 
an unindexed load.

llvm-svn: 57612
 2008-10-16 00:03:00 +00:00
Dan Gohman
6f40163d83 Teach instcombine's visitLoad to scan back several instructions 
to find opportunities for store-to-load forwarding or load CSE,
in the same way that visitStore scans back to do DSE. Also, define
a new helper function for testing whether the addresses of two
memory accesses are known to have the same value, and use it in
both visitStore and visitLoad.

These two changes allow instcombine to eliminate loads in code
produced by front-ends that frequently emit obviously redundant
addressing for memory references.

llvm-svn: 57608
 2008-10-15 23:19:35 +00:00
Dan Gohman
0c160fbe89 Correct the name of isTrapping in comments. 
llvm-svn: 57606
 2008-10-15 22:56:21 +00:00
Dan Gohman
b7435b1c03 Fix whitespace in a comment. 
llvm-svn: 57605
 2008-10-15 22:55:03 +00:00
Duncan Sands
9014e7b0dd Testcase for PR2894. 
llvm-svn: 57604
 2008-10-15 22:34:34 +00:00
Nicolas Geoffray
db9beb7d40 Remove naming Tilmann for generics. 
llvm-svn: 57599
 2008-10-15 20:25:04 +00:00
Anton Korobeynikov
1442f5c066 Add global variable to test for consistency 
llvm-svn: 57597
 2008-10-15 20:22:44 +00:00
Anton Korobeynikov
982947e183 This is not failing anymore 
llvm-svn: 57596
 2008-10-15 20:13:10 +00:00
Anton Korobeynikov
e322e95ecd Also properly handle linking of strong alias and weak global 
llvm-svn: 57595
 2008-10-15 20:10:50 +00:00
Anton Korobeynikov
d514695f79 Properly handle linking of strong alias with weak function, this fixes PR2883 
llvm-svn: 57594
 2008-10-15 20:10:08 +00:00
Bill Wendling
8d26b9c07a Testcase for PR1638. 
llvm-svn: 57590
 2008-10-15 18:27:15 +00:00
Dan Gohman
df18b6f3db Fix a missing space after the return type in invoke statements. 
This fixes PR2894.

llvm-svn: 57589
 2008-10-15 18:02:08 +00:00
Chris Lattner
ab625c3b99 Fix PR2115 by doxygenating Use more, and make some more methods private. 
llvm-svn: 57587
 2008-10-15 16:56:14 +00:00
Chris Lattner
2ce4f1e7ad move PR1941 here. 
llvm-svn: 57586
 2008-10-15 16:33:52 +00:00
Bill Wendling
3106c13251 Unbreak the build. Please test out the proper fix for this by compiling LLVM 
with the build directory different from the source directory.

llvm-svn: 57583
 2008-10-15 16:20:13 +00:00
Chris Lattner
866578b51b move PR1604 here. 
llvm-svn: 57582
 2008-10-15 16:06:03 +00:00
Chris Lattner
4ccc775d89 move PR1488 into this file. 
llvm-svn: 57579
 2008-10-15 16:02:15 +00:00
Anton Korobeynikov
981c5cde30 Temporary revert r57567 and unbreak the build. 
llvm-svn: 57578
 2008-10-15 14:22:06 +00:00
Nuno Lopes
fcab7d3d0c regenerate 
llvm-svn: 57577
 2008-10-15 12:05:02 +00:00
Nuno Lopes
8d27c6100b fix memleak in GetForwardRefForGlobal() 
llvm-svn: 57576
 2008-10-15 12:04:36 +00:00
Nuno Lopes
5b1a422162 regenerate 
llvm-svn: 57575
 2008-10-15 11:20:21 +00:00
Nuno Lopes
067c8791fe fix memleak in getTypeVal() 
llvm-svn: 57574
 2008-10-15 11:19:34 +00:00
Nuno Lopes
970117385a regenerate 
llvm-svn: 57573
 2008-10-15 11:11:12 +00:00
Nuno Lopes
0e2359f53d fix memleak in ResolveTypeTo() 
llvm-svn: 57572
 2008-10-15 11:10:21 +00:00
Gabor Greif
4a32c61591 catch one more typo, canonicalize LLVMdev 
llvm-svn: 57571
 2008-10-15 10:47:24 +00:00
Gabor Greif
af1e025d56 fix some validation errors, improve formatting, squash a strange plural 
llvm-svn: 57570
 2008-10-15 10:29:51 +00:00
Gabor Greif
03b3b570ae remove legacy interfaces 
llvm-svn: 57569
 2008-10-15 09:52:56 +00:00