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Author SHA1 Message Date
Chris Lattner
9a84d96edf create a new MCParser library and move some stuff into it. 
llvm-svn: 94129
 2010-01-22 01:44:57 +00:00
Chris Lattner
f1ac97964f remove some confused code that used strtoull 
llvm-svn: 94128
 2010-01-22 01:17:12 +00:00
Chris Lattner
8cd569a4b0 allow registering target lexers. 
llvm-svn: 94127
 2010-01-22 01:10:40 +00:00
Chris Lattner
2b19da4fa0 stub out a new TargetAsmLexer interface. 
llvm-svn: 94125
 2010-01-22 00:58:59 +00:00
Dan Gohman
525f7d7833 Revert LoopStrengthReduce.cpp to pre-r94061 for now. 
llvm-svn: 94123
 2010-01-22 00:46:49 +00:00
Ted Kremenek
20b78f8eef Store flags in bitfields instead of masking them into the pointer for the left child. This leads to some nice conceptually cleanups. 
llvm-svn: 94121
 2010-01-22 00:28:27 +00:00
Jim Grosbach
231a0d01a9 Fix PR5694. The CMN instructions set the flags differently from CMP, so they 
cannot be directly interchanged for comparisons against negated values.
Disable the CMN instructions for the time being.

llvm-svn: 94119
 2010-01-22 00:08:13 +00:00
Ted Kremenek
30dee16eed Tidy up assertion syntax. No functionality change. 
llvm-svn: 94117
 2010-01-21 23:42:57 +00:00
Victor Hernandez
728ab49966 No need to look through bitcasts for DbgInfoIntrinsic 
llvm-svn: 94114
 2010-01-21 23:09:12 +00:00
Victor Hernandez
ef9e66c909 DbgInfoIntrinsic no longer appear in an instruction's use list 
llvm-svn: 94113
 2010-01-21 23:08:36 +00:00
Victor Hernandez
1cc721ee56 No need to look through bitcasts for DbgInfoIntrinsic 
llvm-svn: 94112
 2010-01-21 23:07:15 +00:00
Victor Hernandez
d44671b931 DbgInfoIntrinsics no longer appear in an instruction's use list; so clean up looking for them in use iterations and remove OnlyUsedByDbgInfoIntrinsics() 
llvm-svn: 94111
 2010-01-21 23:05:53 +00:00
Dan Gohman
23ac1f6157 When inserting expressions for post-increment users which contain 
loop-variant components, adds must be inserted after the increment.
Keep track of the increment position for this case, and insert
these adds in the correct location.

llvm-svn: 94110
 2010-01-21 23:01:22 +00:00
Dan Gohman
2c93a3fa96 Include IVUsers information in LSR's debug output. 
llvm-svn: 94108
 2010-01-21 22:46:32 +00:00
Dan Gohman
3cce294b13 Prune the search for candidate formulae if the number of register 
operands exceeds the number of registers used in the initial
solution, as that wouldn't lead to a profitable solution anyway.

llvm-svn: 94107
 2010-01-21 22:42:49 +00:00
Evan Cheng
c3ad04c825 Trim unneeded includes. 
llvm-svn: 94105
 2010-01-21 21:44:43 +00:00
Dan Gohman
a4954135a7 Add a comment. 
llvm-svn: 94104
 2010-01-21 21:31:09 +00:00
Chris Lattner
642049e127 It turns out that this #include is needed because otherwise 
ValueMapper.cpp ends up calling an out of line 
__ZNK4llvm12PATypeHolder3getEv, which is a template and llvm-config
determines arbitrarily to use the one in libipo.  This sucks, but
keeping the #include is a reasonable workaround.

llvm-svn: 94103
 2010-01-21 21:29:25 +00:00
Chris Lattner
3547371b0b unbreak the build, apparently without this transformutils starts depending on libipa? 
llvm-svn: 94102
 2010-01-21 21:20:51 +00:00
Chris Lattner
3f91babac8 tidy up 
llvm-svn: 94101
 2010-01-21 21:05:54 +00:00
Chris Lattner
7d29f831ea tidy up 
llvm-svn: 94100
 2010-01-21 21:01:47 +00:00
Chris Lattner
1de11df17e remove dead .erase. 
llvm-svn: 94098
 2010-01-21 20:43:39 +00:00
Jim Grosbach
57ca094a52 back this out for now. Growing Function is not good. 
llvm-svn: 94097
 2010-01-21 20:10:22 +00:00
Chris Lattner
75db03497a testcase for r94095 
llvm-svn: 94096
 2010-01-21 20:01:04 +00:00
Chris Lattner
b9161f31bd fix a problem with a missing _, testcase pending. 
llvm-svn: 94095
 2010-01-21 19:58:19 +00:00
Victor Hernandez
507d86fcbb Don't need to include IntrinsicInst.h any more 
llvm-svn: 94092
 2010-01-21 19:33:59 +00:00
Victor Hernandez
3a31114cf9 No need to map NULL operands of metadata 
llvm-svn: 94091
 2010-01-21 19:26:20 +00:00
Daniel Dunbar
55d6538336 Add a simple script for getting a version tag from a svn/git-svn/git 
repository. Feel free to add support for your favorite VCS.

llvm-svn: 94077
 2010-01-21 16:09:59 +00:00
Benjamin Kramer
262bcb8d6e struct/class mismatch. 
llvm-svn: 94075
 2010-01-21 15:40:14 +00:00
Dan Gohman
f14fd7ec69 Make the parser include the lower level error message in its own error 
message, to be more informative.

llvm-svn: 94072
 2010-01-21 10:15:06 +00:00
Dan Gohman
2d3e1be372 Avoid printing a spurious semicolon when there is no filename. 
llvm-svn: 94071
 2010-01-21 10:13:27 +00:00
Dan Gohman
7bd5379b8c When re-using an existing cast for a user, it's still necessary to call 
rememberInstruction so that future users of that user will be inserted
in the correct position. This fixes the Darwin selfhost.

llvm-svn: 94070
 2010-01-21 10:08:42 +00:00
Nick Lewycky
938b8b195c Fix a crasher trying to fold each element in a comparison between two vectors 
if one of the vectors didn't have elements (such as undef). Fixes PR 6096.

Fix an issue in the constant folder where fcmp (<2 x %ty>, <2 x %ty>) would
have <2 x i1> type if constant folding was successful and i1 type if it wasn't.
This exposed a related issue in the bitcode reader.

llvm-svn: 94069
 2010-01-21 07:03:21 +00:00
Chris Lattner
0ce1aa4aa6 remove a couple of asserts that use RTTI. 
llvm-svn: 94068
 2010-01-21 06:11:03 +00:00
Dan Gohman
45406404b1 Run the verifier after LSR, to help catch use-before-def errors before 
they reach codegen.

llvm-svn: 94066
 2010-01-21 03:51:36 +00:00
Dan Gohman
be34c35f32 Re-implement the main strength-reduction portion of LoopStrengthReduction. 
This new version is much more aggressive about doing "full" reduction in
cases where it reduces register pressure, and also more aggressive about
rewriting induction variables to count down (or up) to zero when doing so
reduces register pressure.

It currently uses fairly simplistic algorithms for finding reuse
opportunities, but it introduces a new framework allows it to combine
multiple strategies at once to form hybrid solutions, instead of doing
all full-reduction or all base+index.

llvm-svn: 94061
 2010-01-21 02:09:26 +00:00
Chris Lattner
309cca906a eliminate dynamic_cast from the pass manager. 
llvm-svn: 94060
 2010-01-21 02:07:07 +00:00
Eric Christopher
939ad8be86 Add strcpy_chk -> strcpy support for "don't know" object size 
answers.  This will update as object size checking gets better information.

llvm-svn: 94059
 2010-01-21 01:04:38 +00:00
Evan Cheng
6133019b90 Fix a minor issue in x86 load / store folding table. movups does an unaligned load so it doesn't require 16-byte alignment. 
llvm-svn: 94058
 2010-01-21 00:55:14 +00:00
Jim Grosbach
cf6e6e1c79 Make sure that landing pad entries in the EH call site table are in the proper 
order for SjLj style exception handling.

llvm-svn: 94055
 2010-01-21 00:43:30 +00:00
Sean Callanan
e9111e7172 Moved handling of inclusion from the AsmLexer to 
the AsmParser, breaking AsmLexer's dependence on
SourceMgr.

llvm-svn: 94054
 2010-01-21 00:19:58 +00:00
Chris Lattner
5c16b9815b simplify this code. 
llvm-svn: 94048
 2010-01-20 23:30:28 +00:00
Sean Callanan
52633cb655 Changed the AsmParser to handle error messages itself 
rather than passing them off to the AsmLexer to handle.
This means the AsmLexer no longer requires a SourceMgr
to do error handling.

llvm-svn: 94047
 2010-01-20 23:19:55 +00:00
Jim Grosbach
98eae84f2e SjLj EH introduces can introduce an additional edge to a landing pad and pad 
normalization needs to take this into account.

llvm-svn: 94046
 2010-01-20 23:03:55 +00:00
Sean Callanan
3c0fb5c7bb Promoted the reference to the SourceMgr from AsmLexer 
into AsmParser, in preparation for making AsmLexer
independent of the SourceMgr

llvm-svn: 94043
 2010-01-20 22:45:23 +00:00
Sean Callanan
cddf628d31 Modified MCAsmLexer to return error information upward 
rather than printing it locally, reducing its dependence
on SourceMgr.

llvm-svn: 94041
 2010-01-20 22:18:24 +00:00
Chris Lattner
0c9b35b319 eliminate FnStubInfo, using MachineModuleInfoMachO instead. 
this makes function stub emission determinstic.

llvm-svn: 94033
 2010-01-20 21:36:48 +00:00
Dale Johannesen
e6672a5bda make findDebugLoc a class method 
llvm-svn: 94032
 2010-01-20 21:36:02 +00:00
Chris Lattner
1faedfad24 split function stub printing out to its own function, 
no functionality change.

llvm-svn: 94030
 2010-01-20 21:19:44 +00:00
Chris Lattner
e170ca84e0 eliminate the GVStubs and HiddenGVStubs maps, and use 
MachineModuleInfoMachO instead.  This eliminates two sources
of nondeterministic output in the ppc backend, but function
stubs are still bad.

llvm-svn: 94029
 2010-01-20 21:16:14 +00:00