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19669 Commits

Author SHA1 Message Date
Devang Patel
28ae151c48 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40695 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 22:23:50 +00:00
Owen Anderson
9066020993 Make non-local memdep not be recursive, and fix a bug on 403.gcc that this exposed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40692 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 22:01:54 +00:00
Evan Cheng
c5dd54154a Missing Requires. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40691 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 21:42:24 +00:00
Evan Cheng
1c3017c51e Be more precise. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40689 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 20:22:37 +00:00
Evan Cheng
21b3bf0650 Bugs: missing partial uses and redundant partial defs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40688 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 20:18:21 +00:00
Lauro Ramos Venancio
f3c13c82e3 Expand unaligned loads/stores when the target doesn't support them. (PR1548) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40682 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 19:34:21 +00:00
Dan Gohman
c2bbfc18e9 More explicit keywords. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40673 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 15:32:29 +00:00
Dan Gohman
a9f643432d Change a .size directive to use a tab instead of a space, for consistency. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40672 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 14:42:30 +00:00
Owen Anderson
f6a05f949f Rename FastDSE to just DSE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40668 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 06:36:51 +00:00
Owen Anderson
a56c34f90b Move FastDSE in to DeadStoreElimination. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40667 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 06:30:51 +00:00
Owen Anderson
e739bae8da Remove old DSE. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40666 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 06:30:10 +00:00
David Greene
718fda37a7 Update generated files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40663 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 03:59:32 +00:00
David Greene
52eec54820 New CallInst interface to address GLIBCXX_DEBUG errors caused by 
indexing an empty std::vector.

Updates to all clients.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40660 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 03:43:44 +00:00
Evan Cheng
7fc77611ef Indexed loads each has 2 outputs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40658 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-08-01 00:12:08 +00:00
Owen Anderson
bf7d0bc4e5 Don't let the memory allocator outsmart GVN. ;-) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40655 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 23:27:13 +00:00
Evan Cheng
3b1f55ea24 simpleregistercoalescing -> regcoalescing. It's too long for me to handle. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40654 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 22:37:44 +00:00
Owen Anderson
b95f9d565f Fix a failure I accidentally caused in my last commit by mishandling the 
removal of redundant phis.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40650 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 20:18:28 +00:00
Lauro Ramos Venancio
c7d1114ade Fix a bug in GetKnownAlignment of packed structs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40649 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 20:13:21 +00:00
Dan Gohman
b1576f56c8 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40648 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 20:11:57 +00:00
David Greene
df464195fe Fix GLIBCXX_DEBUG error owing to dereference of end iterator. There's 
no guarantee that an instruction returned by getDependency exists in
the maps.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40647 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 20:01:27 +00:00
Owen Anderson
054ab94bff Fix a misoptimization in aha. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40642 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 17:43:14 +00:00
Dan Gohman
a9cfed77b6 Use SCEVExpander::InsertCastOfTo instead of calling new IntToPtrInst 
directly, because the insert point used by the SCEVExpander may vary
from what LSR originally computes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40641 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 17:22:27 +00:00
Devang Patel
8d246f09cb Add note. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40638 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 16:52:25 +00:00
Christopher Lamb
321ff4e6d5 Revert overly aggressive interpretation of noalias 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40635 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 16:18:07 +00:00
Reid Spencer
1013b4d749 Regenerate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40634 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 14:41:17 +00:00
Reid Spencer
e87f23377c After a discussion with Anton, it turns out that the InReg attribute is not 
permitted on function results. So, revert the last patch to make it illegal.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40632 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 14:39:10 +00:00
Evan Cheng
c64a1a921c Redo and generalize previously removed opt for pinsrw: (vextract (v4i32 bc (v4f32 s2v (f32 load ))), 0) -> (i32 load ) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40628 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 08:04:03 +00:00
Devang Patel
15c260adff Loop unswitch preserves dom info. 
Use simple analysis interface to preserve analysis info maintained by other loop passes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40627 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 08:03:26 +00:00
Devang Patel
91d22c8b1e Implement Simple Analysis interfaces - cloneBasicBlockAnalysis and deleteAnalysisValue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40626 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 08:01:41 +00:00
Devang Patel
c7e49c08c2 Introduce Simple Analysis interface for loop passes. 
Right now, this interface provides hooks for only to operations, 1) clone basic block 2) delete value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40625 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 08:00:57 +00:00
Christopher Lamb
50192c2152 Teach BasicAA about noalias function parameters. Passes all of DejaGNU and test-suite. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40624 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 07:04:51 +00:00
Reid Spencer
ee0142e4a6 Regenerate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40621 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 06:37:43 +00:00
Reid Spencer
bf7f45152c Allow the INREG parameter attribute to be added to functions. This permits the 
function result to be passed in a register. This implements the GCC regparm
function attribute for llvm by translation to the InReg parameter attribute 
and fixes test/CFrontend/2002-07-30-SubregSetAssertion.c


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40619 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 06:37:27 +00:00
Reid Spencer
6e800fe6cb The InReg parameter attribute is valid on function results. The llvm-gcc-4.0 
front end converts regparm attribute on the gcc function into InReg attribute 
on the llvm function. This fixes test/CFrontend/2002-07-30-SubrefSetAssertion.c


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40618 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 06:33:37 +00:00
Evan Cheng
4ebcc8c2f8 This isn't safe when there are uses of load's chain result. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40617 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 06:21:44 +00:00
Chris Lattner
6240ab5022 Fix PR1581, patch by Timo Savola 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40616 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 06:00:51 +00:00
Reid Spencer
d8e616b173 Regenerate (again). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40613 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 03:55:56 +00:00
Reid Spencer
6794e616c7 Don't include newlines in the whitespace before newline (WSNL) rule. 
Fix the comment for WSNL to describe its actual function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40612 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 03:55:43 +00:00
Reid Spencer
b8f85050d1 Regenerate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40611 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 03:50:36 +00:00
Reid Spencer
1d3d230861 For PR1553: 
Make the AsmParser auto-upgrade the old zext and sext
keywords for parameter attributes and handle the 
end-of-line ambiguity.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40610 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-31 02:57:37 +00:00
Devang Patel
6f62af6e64 If loop can be unswitched again, then do it yourself. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40609 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-30 23:07:10 +00:00
Anton Korobeynikov
42346f58d8 Add a comment: don't expect from external function resolver in interpreter 
things, it wasn't designed to handle.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40608 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-30 23:03:25 +00:00
Owen Anderson
891eecb040 Avoid potential iterator invalidation problems. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40607 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-30 21:26:39 +00:00
Devang Patel
df5cf2074c Remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40606 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-30 21:10:44 +00:00
Scott Michel
910b66d8d6 - Allow custom lowering for CTPOP, CTTZ, CTLZ. 
- Fixed an existing unexpanded tab.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40605 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-30 21:00:31 +00:00
Devang Patel
81a129c0fb LCSSA preserves dom info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40604 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-30 20:23:45 +00:00
Devang Patel
d9a6dcba9f Loop Rotation pass preserves dominator tree and frontier. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40603 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-30 20:22:53 +00:00
Devang Patel
96b651c627 LICM preserves scalar evolution and dom frontier. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40602 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-30 20:19:59 +00:00
Anton Korobeynikov
3b30a6e92d Add detection of __dso_handle presence during configure. Use this information in the 
JITer (short path is added for darwin). This is needed to properly JIT llvm-gcc-4.2-built
binaries, since cxa_atexit is enabled by default on much more targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40600 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-30 20:02:02 +00:00
Reid Spencer
ed3fa8552a Fix a typo/thinko. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40599 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-07-30 19:53:57 +00:00