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Author SHA1 Message Date
Dan Gohman
45b0642839 Clear the FunctionLoweringInfo object before doing other things that 
don't need it.

llvm-svn: 101262
 2010-04-14 17:13:16 +00:00
Dan Gohman
3738dc7587 Move this assert out of SelectionDAGISel into FunctionLoweringInfo, and 
drop the redundant #ifndef NDEBUG.

llvm-svn: 101261
 2010-04-14 17:11:23 +00:00
Dan Gohman
4374fdf868 Add a comment. 
llvm-svn: 101260
 2010-04-14 17:09:37 +00:00
Dan Gohman
d0c66476e1 Move the code for initialing the entry block livein set out of 
SelectionDAGISel.

llvm-svn: 101258
 2010-04-14 17:05:00 +00:00
Dan Gohman
859cb3eea9 Reorgnaize this code to be more tidy and readable. 
llvm-svn: 101256
 2010-04-14 17:02:07 +00:00
Dan Gohman
a1656764cc Trim #includes. 
llvm-svn: 101255
 2010-04-14 16:54:39 +00:00
Dan Gohman
2c09c272ff Move the code for emitting livein copies out of SelectionDAGISel. 
llvm-svn: 101254
 2010-04-14 16:51:49 +00:00
Gabor Greif
d482337c1a performance: cache the dereferenced use_iterator 
llvm-svn: 101253
 2010-04-14 16:48:56 +00:00
Dan Gohman
6471bcb1fd Sink landing-pad marking code out of 
SelectionDAGISel::runOnMachineFunction into FunctionLowering.

llvm-svn: 101252
 2010-04-14 16:32:56 +00:00
Dan Gohman
625913100a It's not necessary to recompute EB here. 
llvm-svn: 101251
 2010-04-14 16:30:40 +00:00
Gabor Greif
2cdb5e85ae performance: cache the dereferenced use_iterator 
llvm-svn: 101250
 2010-04-14 16:13:56 +00:00
Dan Gohman
a71d62f6e4 Add a comment. 
llvm-svn: 101248
 2010-04-14 16:08:56 +00:00
Dan Gohman
d044ebe427 Fix whitespace, comments. 
llvm-svn: 101247
 2010-04-14 15:59:02 +00:00
Dan Gohman
b1dc3b2278 Add explicit keywords. 
llvm-svn: 101246
 2010-04-14 15:50:02 +00:00
Dan Gohman
17f6c8fd41 Use C++, not C++-standard-library-internals-ese. 
llvm-svn: 101245
 2010-04-14 15:41:50 +00:00
Dan Gohman
ff3522de68 Make SuccIterator's private parts private too. 
llvm-svn: 101244
 2010-04-14 15:38:15 +00:00
Dan Gohman
c9fee63fce Make helper utility members private. 
llvm-svn: 101243
 2010-04-14 15:33:04 +00:00
Benjamin Kramer
84265367be EDis: Don't include inttypes.h. We support compilers which don't provide it. It was unused anyways. 
llvm-svn: 101241
 2010-04-14 13:56:38 +00:00
Nick Lewycky
2a637411ab Enable RTTI again. While this works fine for LLVM, it creates an ABI 
incompatibility with some clients covered by the buildbots, such as llvm-gcc.

llvm-svn: 101237
 2010-04-14 05:51:59 +00:00
Nick Lewycky
3720e3e45f Don't forget cmake! 
llvm-svn: 101234
 2010-04-14 05:35:20 +00:00
Nick Lewycky
b61fb0fc77 Turn off RTTI for VMCore. Yay! 
llvm-svn: 101233
 2010-04-14 05:30:13 +00:00
Nick Lewycky
d7c736a815 I don't know how, but I managed to goof the revert. Remove function that should 
have been removed in r101231.

llvm-svn: 101232
 2010-04-14 05:03:50 +00:00
Nick Lewycky
cc67a7f57e Revert r101213. 
llvm-svn: 101231
 2010-04-14 04:51:58 +00:00
Nick Lewycky
2874312841 Remove accidentally committed cruft. 
llvm-svn: 101230
 2010-04-14 04:46:11 +00:00
Nick Lewycky
4e8596f65d Fix 80 column ruler. 
llvm-svn: 101229
 2010-04-14 04:40:35 +00:00
Nick Lewycky
396b2fc686 Bugpoint no longer uses exceptions. 
llvm-svn: 101228
 2010-04-14 04:40:31 +00:00
Chris Lattner
124dc743bc implement mc asmparser support for '.', which gets the 
current PC.  rdar://7834775

We now produce an identical .o file compared to the cctools
assembler for something like this:

_f0:
L0:
        jmp L1
        .long . - L0
L1:
        jmp A
        .long . - L1

        .zerofill __DATA,_bss,A,0

llvm-svn: 101227
 2010-04-14 04:40:28 +00:00
Nick Lewycky
b6d184c34a Remove tab. 
llvm-svn: 101223
 2010-04-14 04:19:05 +00:00
Nick Lewycky
49c5407ceb Commit testcase for r101213. 
llvm-svn: 101214
 2010-04-14 03:46:42 +00:00
Nick Lewycky
5e0d0d551b While DAE can't modify the function signature of an externally visible function, 
it can check whether the visible direct callers are passing in parameters to
dead arguments and replace those with undef.

This reinstates r94322 with bugs fixed.

llvm-svn: 101213
 2010-04-14 03:38:11 +00:00
Dan Gohman
1158c51fe0 Generalize this code to handle Instructions in addition to ConstantExprs. 
llvm-svn: 101210
 2010-04-14 02:33:23 +00:00
Dan Gohman
f3d8d6ef18 Reorder the methods of this class to be a little more organized. 
llvm-svn: 101206
 2010-04-14 02:09:45 +00:00
Johnny Chen
07ed32d767 Fixed another assert exposed by fuzzing. Now, when an encoding error occurs 
involing getBFCInvMask() where lsb <= msb does not hold true, the disassembler
just returns false, instead of assert, to indicate disassembly error.

llvm-svn: 101205
 2010-04-14 02:05:29 +00:00
Devang Patel
4cc398507f Clear MachineInstr->MCSymbol maps at the end of a function. 
llvm-svn: 101202
 2010-04-14 01:18:28 +00:00
Johnny Chen
723cdf093a Fixed an assert() exposed by fuzzing. Now, instead of assert when an invalid 
instruction encoding is encountered, we just return a NULL ARMBasicMCBuilder
instance and the client just returns false to indicate disassembly error.

llvm-svn: 101201
 2010-04-14 01:17:37 +00:00
Daniel Dunbar
d3c1f99fa1 Fix -Asserts warnings. 
llvm-svn: 101191
 2010-04-13 23:34:11 +00:00
Devang Patel
a55e563b84 XFAIL this test for powerpc. 
This test relies on iSel lowering dbg_declare intrinsic when CodeGen::OptLevel is None. On PPC side, CodeGen::OptLevel stays to default when -O0 is used on the command line.

llvm-svn: 101190
 2010-04-13 23:23:09 +00:00
Douglas Gregor
a672ffc669 Unbreak CMake build by improving the EnhancedDisassembly makefile a 
bit (we're not trying to build a shared library yet) and generating
the X86GenEDInfo.inc and ARMGenEDInfo.inc files as necessary.

llvm-svn: 101188
 2010-04-13 22:47:43 +00:00
Evan Cheng
aadcfa8ad7 Fast path implicit_def check. 
llvm-svn: 101183
 2010-04-13 22:13:34 +00:00
Evan Cheng
172f2f9e2d Add test for post-ra machine licm. 
llvm-svn: 101182
 2010-04-13 22:10:03 +00:00
Bob Wilson
526e615ff9 Handle a v2f64 formal parameter that is split between registers and memory 
such that the entire second half is in memory.  Radar 7855014.

llvm-svn: 101181
 2010-04-13 22:03:22 +00:00
Sean Callanan
b76f351c0b Quick fix for build errors caused by undefined 
NULL.

llvm-svn: 101180
 2010-04-13 21:36:35 +00:00
Sean Callanan
29a7152676 Fixed a nasty layering violation in the edis source 
code.  It used to #include the enhanced disassembly
information for the targets it supported straight
out of lib/Target/{X86,ARM,...} but now it uses a
new interface provided by MCDisassembler, and (so
far) implemented by X86 and ARM.

Also removed hacky #define-controlled initialization
of targets in edis.  If clients only want edis to
initialize a limited set of targets, they can set
--enable-targets on the configure command line.

llvm-svn: 101179
 2010-04-13 21:21:57 +00:00
Ted Kremenek
02e55f4a52 Add CMake support for 'edis'. 
llvm-svn: 101177
 2010-04-13 20:52:50 +00:00
Johnny Chen
f2d6ab5561 Changed getSOImmValRotate()'s hunt retry logic to ignore the low order 6 bits, 
instead of 7, because we are only looking for even rotate amount.

llvm-svn: 101172
 2010-04-13 20:35:16 +00:00
Devang Patel
7c2bc9dbfe Do not include types without any definition in pubtypes list. 
llvm-svn: 101171
 2010-04-13 20:35:04 +00:00
Evan Cheng
6e5407402e Avoid variable shadowing. 
llvm-svn: 101170
 2010-04-13 20:25:29 +00:00
Evan Cheng
bc94b6f1fd Expand postra machine licm's capability a little more. If an instruction's register operands are all loop invariants, then it's safe to hoist it. 
llvm-svn: 101167
 2010-04-13 20:21:05 +00:00
Jakob Stoklund Olesen
a75eedea38 Teach MachineSinking to handle easy critical edges. 
Sometimes it is desirable to sink instructions along a critical edge:

x = ...
if (a && b) ...
else use(x);

The 'a && b' condition creates a critical edge to the else block, but we still
want to sink the computation of x into the block. The else block is dominated by
the parent block, so we are not pushing instructions into new code paths.

llvm-svn: 101165
 2010-04-13 19:06:14 +00:00
Evan Cheng
6ffb1ed4fb Fix test on non-x86 hosts. 
llvm-svn: 101163
 2010-04-13 18:54:04 +00:00