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94088 Commits

Author SHA1 Message Date
Andrew Trick 1c24605a57 This is a prototype of an experimental register allocation 
framework. It's purpose is not to improve register allocation per se,
but to make it easier to develop powerful live range splitting. I call
it the basic allocator because it is as simple as a global allocator
can be but provides the building blocks for sophisticated register
allocation with live range splitting. 

A minimal implementation is provided that trivially spills whenever it
runs out of registers. I'm checking in now to get high-level design
and style feedback. I've only done minimal testing. The next step is
implementing a "greedy" allocation algorithm that does some register
reassignment and makes better splitting decisions.

llvm-svn: 117174
 2010-10-22 23:09:15 +00:00
Owen Anderson cb5c1b75fe Add tests for NEON encoding of vqdmlsl. 
llvm-svn: 117173
 2010-10-22 23:08:47 +00:00
Bob Wilson dbb77154dc Do not install libBugpointPasses.dylib for Apple builds. Radar 8585383. 
llvm-svn: 117172
 2010-10-22 23:04:17 +00:00
Owen Anderson d655a80774 Add tests for NEON encoding of vmlsl. 
llvm-svn: 117171
 2010-10-22 23:02:27 +00:00
Jakob Stoklund Olesen 0fb303d3c0 Add more verification of LiveIntervals. 
llvm-svn: 117170
 2010-10-22 22:48:58 +00:00
Jakob Stoklund Olesen 4cf8fe31bb Be more strict about detecting multi-use blocks for isolation. 
When a block has exactly two uses and the register is both live-in and live-out,
don't isolate the block. We would be inserting two copies, so we haven't really
made any progress.

If the live-in and live-out values separate into disconnected components after
splitting, we would be making progress. We can't detect that for now.

llvm-svn: 117169
 2010-10-22 22:48:56 +00:00
Fariborz Jahanian 2b427c7fb0 Update compatibility page for objective-c. 
llvm-svn: 117168
 2010-10-22 22:35:51 +00:00
Douglas Gregor 263803a6cd Teach clang_getCursorReferenced() and friends about BlockDeclRefExprs. 
llvm-svn: 117167
 2010-10-22 22:24:08 +00:00
Jim Grosbach b40a60fa2f tidy up. 
llvm-svn: 117166
 2010-10-22 22:15:48 +00:00
Jim Grosbach 2c9ae05c67 ARM mode encoding information for CLZ, RBIT, REV*, and PKH*. 
llvm-svn: 117165
 2010-10-22 22:12:16 +00:00
Bob Wilson 1eaa381789 Fix the name of libLLVMHello.dylib so that it does not get installed for 
Apple builds.  Radar 8585383.

llvm-svn: 117164
 2010-10-22 22:10:57 +00:00
Douglas Gregor c0d2490ac4 In the presence of using declarations, we can find the same class 
members in class subobjects of different types. So long as the
underlying declaration sets are the same, and the declaration sets
involve non-instance members, this is not an ambiguity.

llvm-svn: 117163
 2010-10-22 22:08:47 +00:00
Ted Kremenek 5c97605c1d Fix a horrible bug in all dataflow analyses that use CFGRecStmtVisitor (including live variables analysis). 
We shouldn't recurse into CompoundStmts since they are already inlined in the CFG.  This could result in
bogus dead stores warnings (among other things).

llvm-svn: 117162
 2010-10-22 22:08:32 +00:00
Ted Kremenek 7043fba7fa Fix '-analyzer-display-progress' for Objective-C methods. Also remove obsolete code. 
llvm-svn: 117161
 2010-10-22 22:08:29 +00:00
Fariborz Jahanian 059fe5ba09 Test emoved. 
llvm-svn: 117160
 2010-10-22 22:05:40 +00:00
Fariborz Jahanian c123623d28 After discussion with Doug and John, I am reverting 
the patch. 

llvm-svn: 117159
 2010-10-22 22:05:03 +00:00
Jim Grosbach 3565b0a2e2 Remove duplicate test. 
llvm-svn: 117158
 2010-10-22 22:04:28 +00:00
Jim Grosbach 6d993fa1a6 tidy up. 
llvm-svn: 117157
 2010-10-22 22:01:56 +00:00
Jim Grosbach db7415075d FileCheck-ize a few tests. 
llvm-svn: 117156
 2010-10-22 21:55:03 +00:00
Evan Cheng 21eedfb5a2 Unbreak build. 
llvm-svn: 117155
 2010-10-22 21:49:09 +00:00
Bob Wilson a4e231c880 Teach instcombine to set the alignment arguments for NEON load/store intrinsics. 
llvm-svn: 117154
 2010-10-22 21:41:48 +00:00
Johnny Chen f3f1e00e24 Just use 'test harness', not 'test harness runtime'. 
llvm-svn: 117153
 2010-10-22 21:37:51 +00:00
Johnny Chen f4f70bb890 Comment heading changes. 
llvm-svn: 117152
 2010-10-22 21:31:03 +00:00
Evan Cheng 77a38320c7 Transfer implicit ops when forming load multiple and return instructions. 
llvm-svn: 117151
 2010-10-22 21:29:58 +00:00
Greg Clayton 54180398fa Fix the default prompt to have a space. 
llvm-svn: 117150
 2010-10-22 21:15:00 +00:00
Dale Johannesen 70f564e0e8 Change handling of inline asm 'p' constraint to match llvm-gcc. 
llvm-svn: 117149
 2010-10-22 21:07:10 +00:00
Johnny Chen a91b9474da Add text about test class cleanup. 
llvm-svn: 117148
 2010-10-22 21:06:04 +00:00
John McCall 457a04e3ce Substantially revise how clang computes the visibility of a declaration to 
more closely parallel the computation of linkage.  This gets us to a state
much closer to what gcc emits, modulo bugs, which will undoubtedly arise in
abundance.

llvm-svn: 117147
 2010-10-22 21:05:15 +00:00
Fariborz Jahanian 0196aa28ec Patch fixes miscompile with non-trivial copy constructors and 
statement expressions, //rdar: //8540501

llvm-svn: 117146
 2010-10-22 21:01:02 +00:00
Owen Anderson 3c4f72c9f8 Add tests for the correct encoding of NEON vmls. 
llvm-svn: 117145
 2010-10-22 20:31:24 +00:00
Jakob Stoklund Olesen 2d60075590 Be more strict when detecting critical edges before loop splitting. 
An exit block with a critical edge must only have predecessors in the loop, or
just before the loop. This guarantees that the inserted copies in the loop
predecessors dominate the exit block.

llvm-svn: 117144
 2010-10-22 20:28:23 +00:00
Jakob Stoklund Olesen 9a74301621 Add print methods 
llvm-svn: 117143
 2010-10-22 20:28:21 +00:00
Johnny Chen d9bebeb2be Comment out the debug statement for printing the SBBreakpoint object. 
llvm-svn: 117140
 2010-10-22 20:08:56 +00:00
Johnny Chen bc095dbe68 The test should remove 'output.txt' if it exists before launching the inferior 
process which is supposed to create the file.

llvm-svn: 117136
 2010-10-22 19:51:42 +00:00
Owen Anderson 9d0122af7d Add correct NEON encodings for vqdmlal. 
llvm-svn: 117134
 2010-10-22 19:35:48 +00:00
Jim Grosbach 2b80543fc2 Add the encoding information for the rest of the ARM mode multiply instructions. 
llvm-svn: 117133
 2010-10-22 19:15:30 +00:00
Michael J. Spencer e08dbb4a5b I hate line endings. 
llvm-svn: 117132
 2010-10-22 19:14:39 +00:00
Owen Anderson 3d0264667f Provide correct encodings for NEON vmlal. 
llvm-svn: 117131
 2010-10-22 19:05:25 +00:00
Oscar Fuentes ff11a23ef3 Loadable modules are not supported on Cygwin. PR 6655. 
llvm-svn: 117130
 2010-10-22 19:03:24 +00:00
Johnny Chen 8c251f4209 Add some more usage text. 
llvm-svn: 117129
 2010-10-22 19:00:18 +00:00
Evan Cheng 21abfc9450 Silence compiler warnings. 
llvm-svn: 117128
 2010-10-22 18:57:05 +00:00
Devang Patel 401c916c8a Delay record type's debug info emission, in -flimit-debug-info mode, if member expression's base is call expr. 
llvm-svn: 117127
 2010-10-22 18:56:27 +00:00
Owen Anderson f48719f1b5 Provide correct NEON encodings for vmla. 
llvm-svn: 117126
 2010-10-22 18:54:37 +00:00
Jim Ingham 49e80a1142 Changed "run" to alias "process launch --". 
Added "po" alias for "expression -o --"

llvm-svn: 117125
 2010-10-22 18:47:16 +00:00
Michael J. Spencer 46ea135ea7 Endian: Get rid of LLVM_IS_HOST_BIG_ENDIAN. 
llvm-svn: 117124
 2010-10-22 18:45:12 +00:00
Stuart Hastings a8c4143bf6 Temporarily revert r117079; it broke a tester. Radar 6635085. 
llvm-svn: 117122
 2010-10-22 18:44:22 +00:00
Jim Grosbach 6956a60563 More ARM multiply instuction binary encodings. 
llvm-svn: 117121
 2010-10-22 18:35:16 +00:00
Devang Patel db3910000a Revert unintentional check-in. 
llvm-svn: 117120
 2010-10-22 18:31:12 +00:00
Evan Cheng 08dd8c8295 Add fastcc cc: pass and return VFP / NEON values in registers. Controlled by -arm-fastcc for now. 
llvm-svn: 117119
 2010-10-22 18:23:05 +00:00
Johnny Chen 5bfb8ee64e Add test case for using SBBreakpointLocation to set break condition. 
llvm-svn: 117116
 2010-10-22 18:10:25 +00:00