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Author SHA1 Message Date
Evan Cheng
2ff2da89ab - Removing the infamous r2rMap_ and rep() method. Now the coalescer will update 
register defs and uses after each successful coalescing.
- Also removed a number of hacks and fixed some subtle kill information bugs.

llvm-svn: 47167
 2008-02-15 18:24:29 +00:00
Evan Cheng
9215129f4e Added CommuteChangesDestination(). This returns true if commuting the specified 
machine instr will change its definition register.

llvm-svn: 47166
 2008-02-15 18:21:33 +00:00
Eli Friedman
bd258284e0 Split out incomplete arrays from VariableArrayType into 
IncompleteArrayType.  This should make code dealing with both incomplete 
and variable length arrays much more readable, plus it allows properly 
making the distinction between isVariableArrayType() and 
isVariablyModifiedType().  The patch is a little big, but it's 
strightforward. so I don't think there should be any issues.

llvm-svn: 47165
 2008-02-15 18:16:39 +00:00
Evan Cheng
78b0edb957 Remove unnecessary #include. 
llvm-svn: 47164
 2008-02-15 18:12:09 +00:00
Dan Gohman
a36ade5595 Use StoreSDNode::getValue instead of calling getOperand directly 
with a hard-coded operand number.

llvm-svn: 47163
 2008-02-15 18:11:59 +00:00
Dale Johannesen
67b818f503 Remove warning about 64-bit code on processor 
that doesn't support it.  Per Chris.

llvm-svn: 47162
 2008-02-15 18:09:51 +00:00
Lauro Ramos Venancio
eab51d3a04 It is not safe to call fork in PrintStackTrace. Sometimes it freezes the program. 
llvm-svn: 47161
 2008-02-15 18:05:54 +00:00
Chris Lattner
287c734075 Fix PR2041: restrict is not a keyword in c90. 
llvm-svn: 47160
 2008-02-15 18:02:59 +00:00
Eli Friedman
9e805b24fd Part of clearing up the whole VariableArrayType + incomplete arrays 
thing.  Some cleanups that can be done independently of the fix.

llvm-svn: 47158
 2008-02-15 12:53:51 +00:00
Eli Friedman
783a5c262b Remove unnecessary references to VariableArrayType from Analysis. 
llvm-svn: 47157
 2008-02-15 12:28:27 +00:00
Eli Friedman
a682d39639 Remove useless parameter from isConstantSizeType. 
llvm-svn: 47156
 2008-02-15 12:20:59 +00:00
Anders Carlsson
1a84106117 Get rid of AttributeList in the AST and use the new Attr class instead 
llvm-svn: 47155
 2008-02-15 07:04:12 +00:00
Eli Friedman
78e47634b2 Get rid of outdated code that masks type errors. Fixes PR2036. 
llvm-svn: 47154
 2008-02-15 06:56:02 +00:00
Eli Friedman
e9d0954c06 Nevermind, these tests work... I messed up my testing. 
llvm-svn: 47153
 2008-02-15 06:29:53 +00:00
Eli Friedman
a01cfa75eb Partial fix for struct compatibility; there's still something messy 
going on with mixing scopes, though.

llvm-svn: 47152
 2008-02-15 06:03:44 +00:00
Dan Gohman
4490ef5b07 Change MemOperand's size and offset to be 64-bit. 
llvm-svn: 47151
 2008-02-15 01:29:57 +00:00
Devang Patel
a42c3147cc Fix PR2028 
llvm-svn: 47150
 2008-02-15 01:24:49 +00:00
Dale Johannesen
401a4d72d5 nocona, core2 and penryn support 64 bit. 
llvm-svn: 47149
 2008-02-15 01:22:41 +00:00
Chris Lattner
1dd86b1154 Support vector constant zeros, thanks to Zack Rusin for the testcase. 
llvm-svn: 47148
 2008-02-15 00:57:28 +00:00
Ted Kremenek
bc0ba39a1e Added boilerplate transfer function support for pointer arithmetic operations. 
llvm-svn: 47147
 2008-02-15 00:52:26 +00:00
Ted Kremenek
e161afc4dd Added --grsimple-view option to clang driver; this is the same as 
--grsimple except that it visualizes the ExplodedGraph using dot and
outputs the current function being analyzed.  --grsimple is now silent
except when it emits diagnostics.

llvm-svn: 47146
 2008-02-15 00:35:38 +00:00
Dale Johannesen
6ca3ccf519 Rewrite tblgen handling of subtarget features so 
it follows the order of the enum, not alphabetical.
The motivation is to make -mattr=+ssse3,+sse41
select SSE41 as it ought to.  Added "ignored"
enum values of 0 to PPC and SPU to avoid compiler
warnings.

llvm-svn: 47143
 2008-02-14 23:35:16 +00:00
Ted Kremenek
8e6f6e05c3 Added "symbol iterators" for RValues, allowing easy iteration over the symbols 
referenced by an RValue, instead of having to query the type of the RValue.

Modified ValueState::RemoveDeadBindings to also prune dead symbols.

llvm-svn: 47142
 2008-02-14 23:25:54 +00:00
Devang Patel
2e622e4c2b If loop header is also loop exiting block then OrigPN is incoming value for B loop header. 
Fixes PR 2030.

llvm-svn: 47141
 2008-02-14 23:18:47 +00:00
Ted Kremenek
5b70a22656 When visualizing ExplodedNodes created by GRExprEngine, color nodes with 
null-dereferences or bad control-flow red.

llvm-svn: 47140
 2008-02-14 22:54:53 +00:00
Ted Kremenek
5d8bab7ecd Don't analyze functions when we have parse errors. 
llvm-svn: 47139
 2008-02-14 22:54:17 +00:00
Dan Gohman
c354ebddd1 Fix a warning about comparison between signed and unsigned, 
being consistent with the rest of the APInt implementation.

llvm-svn: 47138
 2008-02-14 22:38:45 +00:00
Ted Kremenek
d3122cb83c Renamed GRConstants => GRSimpleVals. 
Moved driver logic for --grsimple to GRSimpleVals.cpp.

llvm-svn: 47137
 2008-02-14 22:36:46 +00:00
Ted Kremenek
bd8957b6b2 #include cleanups in GRExprEngine.cpp/GRExprEngine.h. Moved GRExprEngine to 
clang namespace.

llvm-svn: 47136
 2008-02-14 22:16:04 +00:00
Ted Kremenek
64de207c52 Partitioned definition/implementation of GRExperEngine into .h and .cpp. 
Still some cleanup to do, but this initial checkin compiles and runs correctly.

llvm-svn: 47135
 2008-02-14 22:13:12 +00:00
Ted Kremenek
cf7cf8e8b0 Migrated transfer functions for binary operators for simple value tracking 
from RValues to GRTransferFuncs/GRSimpleVals.

llvm-svn: 47131
 2008-02-14 19:37:24 +00:00
Chris Lattner
99a59b6ba0 ParseCompoundStatementBody expects to only be called with { as the current 
token.  Diagnose when the { is missing in objc @try blocks instead of aborting.

llvm-svn: 47130
 2008-02-14 19:27:54 +00:00
Chris Lattner
70e294660a Fix PR2029 
llvm-svn: 47129
 2008-02-14 19:18:13 +00:00
Chris Lattner
558a3ba17f Fix a miscompilation from Dan's recent apintification. 
llvm-svn: 47128
 2008-02-14 18:48:56 +00:00
Nate Begeman
4b3210a3ec Fix single precision FP constants on SPU. They are actually legal, 
which allows us to kill a target-specific node.

llvm-svn: 47127
 2008-02-14 18:43:04 +00:00
Ted Kremenek
4bad8f7ad6 Migrated transfer functions for unary "~" and "-" to GRTransferFuncs/GRSimpleVals. 
llvm-svn: 47126
 2008-02-14 18:40:24 +00:00
Ted Kremenek
3ca942969e Started partitioning of transfer function logic (and thus the policy behind 
these operations) into GRTransferFuncs and its subclasses.  Originally all
of this logic was handled by the class RValue, but in reality different
analyses will want more flexibility on how they evaluate different values.

Transfer functions migrated so far: "Cast"

llvm-svn: 47125
 2008-02-14 18:28:23 +00:00
Duncan Sands
551d3e6303 Rename CFEBuildInstrs.html to GCCFEBuildInstrs.html. 
Update all references to it and place a redirection
page at the old address.

llvm-svn: 47124
 2008-02-14 17:53:22 +00:00
Ted Kremenek
747c777bde Moved Rvalues.h from "Analysis/" to "include/clang/Analysis/PathSensitive". 
llvm-svn: 47123
 2008-02-14 17:30:51 +00:00
Duncan Sands
4c95dbd69f In TargetLowering::LowerCallTo, don't assert that 
the return value is zero-extended if it isn't
sign-extended.  It may also be any-extended.
Also, if a floating point value was returned
in a larger floating point type, pass 1 as the
second operand to FP_ROUND, which tells it
that all the precision is in the original type.
I think this is right but I could be wrong.
Finally, when doing libcalls, set isZExt on
a parameter if it is "unsigned".  Currently
isSExt is set when signed, and nothing is
set otherwise.  This should be right for all
calls to standard library routines.

llvm-svn: 47122
 2008-02-14 17:28:50 +00:00
Nate Begeman
53e1b3f9d5 Change how FP immediates are handled. 
1) ConstantFP is now expand by default
2) ConstantFP is not turned into TargetConstantFP during Legalize
   if it is legal.

This allows ConstantFP to be handled like Constant, allowing for 
targets that can encode FP immediates as MachineOperands.

As a bonus, fix up Itanium FP constants, which now correctly match,
and match more constants!  Hooray.

llvm-svn: 47121
 2008-02-14 08:57:00 +00:00
Nate Begeman
a338594236 Completed note 
llvm-svn: 47120
 2008-02-14 08:19:48 +00:00
Tanya Lattner
5429dbf6c7 Remove llvm-upgrade 
llvm-svn: 47119
 2008-02-14 07:57:12 +00:00
Anders Carlsson
b0aad621fd Address comments from Chris. 
llvm-svn: 47118
 2008-02-14 07:43:43 +00:00
Nate Begeman
26b76b69f4 Support a new type of MachineOperand, MO_FPImmediate, used for holding 
FP Immediates, crazily enough

llvm-svn: 47117
 2008-02-14 07:39:30 +00:00
Chris Lattner
89acd61805 simplify code, no functionality change. 
llvm-svn: 47116
 2008-02-14 07:39:01 +00:00
Nate Begeman
64db2b9615 Move some useful operands up into the all-targets .td 
llvm-svn: 47115
 2008-02-14 07:25:46 +00:00
Nate Begeman
94ea004023 Nuke dead comment 
llvm-svn: 47114
 2008-02-14 07:23:11 +00:00
Nick Lewycky
9592bb0390 Testcase for PR2032. 
llvm-svn: 47113
 2008-02-14 07:15:11 +00:00
Anders Carlsson
b853a1a049 Add Attr.h which is an AST-level class for GCC attributes. 
llvm-svn: 47112
 2008-02-14 07:14:34 +00:00