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5486 Commits

Author SHA1 Message Date
Bill Wendling 3d88e9940a Add missing SSE builtins: 
__builtin_ia32_cvtss2si64
    __builtin_ia32_cvttss2si64
    __builtin_ia32_cvtsi642ss
    __builtin_ia32_cvtsd2si64
    __builtin_ia32_cvttsd2si64
    __builtin_ia32_cvtsi642sd

llvm-svn: 40411
 2007-07-23 03:07:27 +00:00
Chris Lattner 3284ad1b1f Disable the string map copy ctor and assignment operators, 
they don't do the right thing.  

Implement StringMap::erase.

Fix a nasty bug in the default ctor.

llvm-svn: 40395
 2007-07-22 20:08:01 +00:00
Dan Gohman 147d9fa57d Don't assume that only Uses can be kills. Defs are marked as kills initially 
when there are no uses. This fixes a dangling-pointer bug, where pointers to
deleted instructions were not removed from kills lists. More info here:
http://lists.cs.uiuc.edu/pipermail/llvmdev/2007-July/009749.html

llvm-svn: 40131
 2007-07-20 23:17:34 +00:00
Dan Gohman 0648c694c8 Simplify the logic for setVolatile. 
llvm-svn: 40130
 2007-07-20 23:14:50 +00:00
Evan Cheng 9d5df0a5f6 Added -print-emitted-asm to print out JIT generated asm to cerr. 
llvm-svn: 40123
 2007-07-20 21:56:13 +00:00
Owen Anderson 74f833bce1 Make the heuristic for shrinking DenseMap smarter. 
llvm-svn: 40114
 2007-07-20 18:56:46 +00:00
Devang Patel 8adae86688 Use SmallVector instead of std::vector. 
llvm-svn: 40109
 2007-07-20 18:04:54 +00:00
Owen Anderson 4b9cedcea5 Have DenseMap auto-shrink itself on clear(). This improves the time to optimize 
403.gcc from 15.2s to 14.3s.

llvm-svn: 40100
 2007-07-20 16:15:24 +00:00
Devang Patel a273d1cd3a Verify loop info. 
llvm-svn: 40062
 2007-07-19 18:02:32 +00:00
Anton Korobeynikov b4acc033cf Properly initialize value :) 
llvm-svn: 40059
 2007-07-19 15:32:47 +00:00
Devang Patel ef43253e2e Set up ground work to verify preserved analysis info. 
llvm-svn: 40039
 2007-07-19 05:36:09 +00:00
Dan Gohman 68659280fa Add constructor overloads for LoadInst and StoreInst that insert at the 
end of a BasicBlock and have an alignment parameter.

llvm-svn: 40016
 2007-07-18 20:51:11 +00:00
Reid Spencer 5060fd0fa3 Unbreak the build by putting calls to free into the implementation file and 
having that implementation file #include <cstdlib>.

llvm-svn: 39952
 2007-07-17 02:16:12 +00:00
Owen Anderson 7fcaaadf1c Add support for walking up memory def chains, which enables finding many more 
dead stores on 400.perlbench.

llvm-svn: 39929
 2007-07-16 21:52:50 +00:00
Owen Anderson 81990a3fc3 Use realloc() to (potentially) resize the contents of SmallPtrSet in place. 
llvm-svn: 39926
 2007-07-16 21:27:44 +00:00
Dan Gohman 06c60b6032 Fix comments about vectors to use the current wording. 
llvm-svn: 39921
 2007-07-16 14:29:03 +00:00
Nick Lewycky 5246026c8c Handle decrementing loops properly. Fixes PR1533. 
Always pass the constant as the second parameter to HowManyLessThans.

Remove obsolete "isSigned" parameter.

llvm-svn: 39893
 2007-07-16 02:08:00 +00:00
Chris Lattner 0f0adc6b9d add a helper method. 
llvm-svn: 39885
 2007-07-15 23:32:03 +00:00
Nick Lewycky ddc2f9ba57 Clarify the language. Pointed out by Duncan Sands. 
llvm-svn: 39857
 2007-07-14 17:41:03 +00:00
Anton Korobeynikov 383a324735 Long live the exception handling! 
This patch fills the last necessary bits to enable exceptions
handling in LLVM. Currently only on x86-32/linux.

In fact, this patch adds necessary intrinsics (and their lowering) which
represent really weird target-specific gcc builtins used inside unwinder.

After corresponding llvm-gcc patch will land (easy) exceptions should be
more or less workable. However, exceptions handling support should not be 
thought as 'finished': I expect many small and not so small glitches
everywhere.

llvm-svn: 39855
 2007-07-14 14:06:15 +00:00
Nick Lewycky 61b4a265ee Add alternate ConstantRange intersection algorithm. 
llvm-svn: 39851
 2007-07-14 02:51:34 +00:00
Devang Patel 4cd1413f15 Make LCSSA a loop pass. 
llvm-svn: 39844
 2007-07-13 23:57:11 +00:00
Dale Johannesen 2182f06f2d Skeleton of post-RA scheduler; doesn't do anything yet. 
Change name of -sched option and DEBUG_TYPE to
pre-RA-sched; adjust testcases.

llvm-svn: 39816
 2007-07-13 17:13:54 +00:00
Reid Spencer df523644c9 Regenerate to pick up Gabor's changes. 
llvm-svn: 39802
 2007-07-13 10:05:30 +00:00
Tanya Lattner ccecbcd779 Adding ability to demote phi to stack. 
llvm-svn: 39744
 2007-07-11 18:41:34 +00:00
Owen Anderson 5e72db3f7f Add FastDSE, a new algorithm for doing dead store elimination. This algorithm is not as accurate 
as the current DSE, but it only a linear scan over each block, rather than quadratic.  Eventually
(once it has been improved somewhat), this will replace the current DSE.

NOTE: This has not yet been extensively tested.
llvm-svn: 38517
 2007-07-11 00:46:18 +00:00
Evan Cheng ff025e4fc9 Add OptionalDefOperand. Remove clobbersPred. Also add DefinesPredicate to be used by if-converter. 
llvm-svn: 38499
 2007-07-10 18:06:29 +00:00
Owen Anderson 9c88457abe Add support for finding the dependencies of call and invoke instructions. 
llvm-svn: 38497
 2007-07-10 17:59:22 +00:00
Owen Anderson 47352db672 Fix a bunch of things from Chris' feedback 
llvm-svn: 38493
 2007-07-10 17:08:11 +00:00
Evan Cheng ff6f279adf When a node value is only used by a CopyToReg, use the user's dest. This should not be restricted to nodes that produce only a single value. 
llvm-svn: 38485
 2007-07-10 07:08:32 +00:00
Evan Cheng 32aad49b24 Move DenseMapKeyInfo<SDOperand> from LegalizeDAG.cpp to SelectionDAGNodes.h 
llvm-svn: 38484
 2007-07-10 06:59:55 +00:00
Owen Anderson 7ff09810a8 Evidently my earlier fix did not go far enough. When resizing a zero-sized 
BitVector, make sure to set or clear ALL of the bits.

llvm-svn: 38481
 2007-07-10 02:01:16 +00:00
Owen Anderson c3bd1db42d When resizing a BitVector with size 0, be sure to clear the low word before using it. 
llvm-svn: 38476
 2007-07-09 23:39:39 +00:00
Devang Patel e8ec7661ea Expose struct size threhold to allow users to tweak their own setting. 
llvm-svn: 38472
 2007-07-09 21:19:23 +00:00
Owen Anderson 3364abbb36 Make the assignment operator for SmallPtrSet return a reference, and fix a long-standing bug in the copy 
ctor while I'm at it.

Thanks to Chris Lattner for help with this patch.

llvm-svn: 38470
 2007-07-09 20:59:01 +00:00
Devang Patel 94d0fbe1a6 Fix memory leak. 
llvm-svn: 38469
 2007-07-09 20:52:39 +00:00
Chris Lattner a11b2c74f2 work around an aparent gcc name resolution bug by 
detemplatizing this.

llvm-svn: 38461
 2007-07-09 17:11:53 +00:00
Chris Lattner 85049a470e implement operator= for smallptrset 
llvm-svn: 38460
 2007-07-09 16:54:03 +00:00
Dan Gohman 0a76e7f678 Move the APInt form of SCEVUnknown::getIntegerSCEV to SCEVConstant::get, and 
use SCEVConstant::get instead of SCEVUnknown::get when constructing a SCEV
for a ConstantInt.

llvm-svn: 38457
 2007-07-09 15:25:17 +00:00
Dan Gohman 8e0b6099b9 Fix a typo in a comment. 
llvm-svn: 38456
 2007-07-09 15:15:24 +00:00
Gabor Greif 949ac3a930 missed this one 
llvm-svn: 38454
 2007-07-09 12:20:30 +00:00
Gabor Greif ef3d8362a3 fix typos 
llvm-svn: 38453
 2007-07-09 12:00:59 +00:00
Owen Anderson c0daf5fe53 A first stab at memory dependence analysis. This is an interface on top of 
alias analysis, adding caching and lazy computation of queries.  This will
be used in planned improvements to memory access optimizations.

llvm-svn: 37958
 2007-07-06 23:14:35 +00:00
Owen Anderson 81f07478b4 Add some accessors to improve consistency. 
llvm-svn: 37957
 2007-07-06 23:13:31 +00:00
Devang Patel d7767cc2a7 Add SplitEdge and SplitBlock utility routines. 
llvm-svn: 37952
 2007-07-06 21:39:20 +00:00
Gabor Greif 24027b584f finishing touches of bytecode -> bitcode changes. also unbreak Windows 
llvm-svn: 37950
 2007-07-06 20:28:40 +00:00
Dan Gohman 71ed4aaa31 Remove redundant declarations. 
llvm-svn: 37946
 2007-07-06 13:59:28 +00:00
Gabor Greif 3d3fc3296e eliminate residual cruft related to recognizing bytecode 
files.
bitcode files are the only LLVM format left.

llvm-svn: 37945
 2007-07-06 13:38:17 +00:00
Dan Gohman fd404813e8 Fix a comment so that the element numbering match the actual element 
operand numbering.

llvm-svn: 37944
 2007-07-06 13:27:33 +00:00
Rafael Espindola b567e3ffb0 Add the byval attribute 
llvm-svn: 37940
 2007-07-06 10:57:03 +00:00