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494e8e6971
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4263 Commits

Author SHA1 Message Date
Evan Cheng
494e8e6971 Combine ISD::EXTLOAD, ISD::SEXTLOAD, ISD::ZEXTLOAD into ISD::LOADX. Add an 
extra operand to LOADX to specify the exact value extension type.

llvm-svn: 30714
 2006-10-04 00:56:09 +00:00
Chris Lattner
a05ee6de92 ADd a method 
llvm-svn: 30707
 2006-10-03 20:16:45 +00:00
Chris Lattner
77aa419991 Provide a function that ensures MBB numbering is dense and inorder. This 
can be used by MachineFunctionPasses who need this property.

llvm-svn: 30706
 2006-10-03 19:18:57 +00:00
Chris Lattner
4b7c9854bf clean up use of 'explicit'. This is PR934. 
Patch contributed by Kevin Sopp!

llvm-svn: 30701
 2006-10-03 17:09:12 +00:00
Bill Wendling
9b15198af4 Fix for PR929. The PHI nodes were being gone through for each instruction 
in a successor block for every block...resulting in some O(N^k) algorithm
which wasn't very good for performance. Calculating this information up
front and keeping it in a map made it much faster.

llvm-svn: 30697
 2006-10-03 07:20:20 +00:00
Chris Lattner
895cf34500 Move DominatorTree to immediately follow DominatorTreeBase 
llvm-svn: 30693
 2006-10-03 05:24:56 +00:00
Jim Laskey
3d44b337d9 Add ability to annotate (color) nodes in a viewGraph. 
llvm-svn: 30686
 2006-10-02 12:26:53 +00:00
Chris Lattner
1ab553b24d Override use_back in instruction/basicblock to provide more type information. 
llvm-svn: 30678
 2006-09-30 22:20:34 +00:00
Chris Lattner
78e10ebf8a Add a version of the globalvariable ctor that inserts at a specific location. 
llvm-svn: 30677
 2006-09-30 21:31:26 +00:00
Chris Lattner
220e198fbe Now that ConstantBool::True/False are gone, we can modify Type.cpp to 
eliminate its static dtors, without having code that depends on order of
initialization.  Eliminate static ctors/dtors from Type.cpp.

llvm-svn: 30667
 2006-09-28 23:38:07 +00:00
Chris Lattner
155e6b8403 Eliminate ConstantBool::True and ConstantBool::False. Instead, provide 
ConstantBool::getTrue() and ConstantBool::getFalse().

llvm-svn: 30666
 2006-09-28 23:36:21 +00:00
Chris Lattner
b512048344 refactor critical edge breaking out into the SplitCritEdgesForPHIConstants method. 
This is a baby step towards fixing PR925.

llvm-svn: 30643
 2006-09-28 06:17:10 +00:00
Chris Lattner
7e0e7c7bc9 remove dead method 
llvm-svn: 30640
 2006-09-28 00:37:43 +00:00
Chris Lattner
30da1ba0a2 new helper class to provide more explicit management of static ctor/dtors. 
llvm-svn: 30638
 2006-09-28 00:31:55 +00:00
Evan Cheng
51144ea51c - Added a hook processFunctionBeforeCalleeSaveScn(). This is called by PEI just 
before it determines which callee-save registers are to be spilled. This allows
the target to make changes such as forcing certain physical registers to be
spilled.
- Modified comments. It's important to note the order of registers in the array
returns by getCalleeSaveRegs() determines the order of callee save spill code.

llvm-svn: 30635
 2006-09-28 00:07:19 +00:00
Chris Lattner
ddf92db1ca Add support for ${:comment}, which expands to the current target's comment 
character, and ${:uid} which expands to a unique ID for the MachineInstr.
More can be added if/when they are needed.

llvm-svn: 30619
 2006-09-26 23:59:50 +00:00
Chris Lattner
167aa73273 Add support for targets that want to do something with the llvm.used list, 
because they have an aggressive linker that does dead code stripping.

llvm-svn: 30604
 2006-09-26 03:38:18 +00:00
Chris Lattner
bab51c66fc order this properly to avoid warnings in TargetAsmInfo.cpp. Add a comment 
in a format that matches every other ivars in this class.

llvm-svn: 30603
 2006-09-25 22:38:36 +00:00
Andrew Lenharth
58f5a24f0c Add support for other relocation bases to jump tables, as well as custom asm directives 
llvm-svn: 30593
 2006-09-24 19:45:58 +00:00
Chris Lattner
941d6d205a remove misleading comment 
llvm-svn: 30585
 2006-09-23 06:09:45 +00:00
Chris Lattner
bf0b610dfa add method, correct comment 
llvm-svn: 30584
 2006-09-23 04:03:45 +00:00
Devang Patel
8248ba3afc Use iterative algorith to assign DFS number. This reduces 
call stack depth.

llvm-svn: 30575
 2006-09-22 01:05:33 +00:00
Devang Patel
5bc8dcf913 Use abstract class to facilitate dlopen() interface. 
llvm-svn: 30569
 2006-09-21 17:22:55 +00:00
Nick Lewycky
ad4eb4f0de Fix findCaseDest to return null when BB is both the default dest and one 
of the numeric cases.

llvm-svn: 30468
 2006-09-18 20:44:37 +00:00
Nick Lewycky
87f79d5d69 Add a new helper method to SwitchInst. Useful when you've got a BB from 
somewhere (like the dominator graph) and would like to know which case it
came from.

llvm-svn: 30466
 2006-09-18 19:03:59 +00:00
Jim Laskey
07ac577a34 Sort out mangled names for globals 
llvm-svn: 30460
 2006-09-18 14:47:26 +00:00
Chris Lattner
3c4ca91dbd Add support for pattern matching cast operations 
llvm-svn: 30454
 2006-09-18 05:17:11 +00:00
Chris Lattner
93bc6e881f fix typo 
llvm-svn: 30453
 2006-09-18 04:58:06 +00:00
Chris Lattner
be102d68c2 add a helper method 
llvm-svn: 30452
 2006-09-18 04:54:57 +00:00
Anton Korobeynikov
7c2118575c Added some eye-candy for Subtarget type checking 
Added X86 StdCall & FastCall calling conventions. Codegen will follow.

llvm-svn: 30446
 2006-09-17 20:25:45 +00:00
Chris Lattner
547b62a967 Add ShiftInst::isLogical/ArithmeticShift methods. 
llvm-svn: 30445
 2006-09-17 19:29:56 +00:00
Chris Lattner
8aa718b0ed Add new SetCondInst::isRelational/isEquality methods. Rename 
Instruction::isRelational to Instruction::isComparison.

llvm-svn: 30444
 2006-09-17 19:14:47 +00:00
Chris Lattner
9306fac571 Keep track of the start of MBB's in a separate map from instructions. This 
is faster and is needed for future improvements.

llvm-svn: 30383
 2006-09-15 03:57:23 +00:00
Devang Patel
0d540a2f9a Undo previous check-in. 
Reintroduce recursive assignDFSNumber().

llvm-svn: 30380
 2006-09-14 21:43:24 +00:00
Anton Korobeynikov
6e19f80688 Adding dllimport, dllexport and external weak linkage types. 
DLL* linkages got full (I hope) codegeneration support in C & both x86
assembler backends.
External weak linkage added for future use, we don't provide any
codegeneration, etc. support for it.

llvm-svn: 30374
 2006-09-14 18:23:27 +00:00
Evan Cheng
489428e6f8 Add MachineConstantPoolEntry getOffset() accessor. 
llvm-svn: 30325
 2006-09-14 07:32:32 +00:00
Evan Cheng
b25fd42e43 The top bit is used to determine whether it's a MachineConstantPoolValue. 
llvm-svn: 30324
 2006-09-14 07:30:48 +00:00
Chris Lattner
31e8414b3f revert accidentally committed file 
llvm-svn: 30323
 2006-09-14 06:42:17 +00:00
Chris Lattner
2544818d6b Remove dead methods, add getNumBlockIDs() method 
llvm-svn: 30322
 2006-09-14 06:40:48 +00:00
Reid Spencer
2a3ab75d50 Add a HAVE_MACH_MACH_H #define to detect the presence of the mach/mach.h 
header file on Darwin.

llvm-svn: 30319
 2006-09-14 06:17:21 +00:00
Evan Cheng
b68bfafe09 Mirrors ConstantPoolSDNode. 
llvm-svn: 30314
 2006-09-14 05:48:39 +00:00
Devang Patel
2983c628cd Avoid recursion in assignDFSNumber(). Move def from ET-Forest.h 
to Dominators.h

llvm-svn: 30309
 2006-09-14 01:27:42 +00:00
Evan Cheng
499d77553a Added support for machine specific constantpool values. These are useful for 
representing expressions that can only be resolved at link time, etc.

llvm-svn: 30278
 2006-09-12 21:00:35 +00:00
Nick Lewycky
a2c3d7b1ca Add ability to remove nodes from DominatorTree, for when a BasicBlock 
is being removed.

llvm-svn: 30270
 2006-09-12 00:18:28 +00:00
Nate Begeman
1109e4a222 Behold, more work on relocations. Things are looking pretty good now. 
llvm-svn: 30240
 2006-09-10 23:03:44 +00:00
Chris Lattner
7005757ced Implement new fpowi node 
llvm-svn: 30223
 2006-09-09 05:55:44 +00:00
Nate Begeman
2dfa13e74f First pass at supporting relocations. Relocations are written correctly to 
the file now, however the relocated address is currently wrong.  Fixing
that will require some deep pondering.

llvm-svn: 30207
 2006-09-08 22:42:09 +00:00
Chris Lattner
98c39f8e5b add powi intrinsics. 
llvm-svn: 30176
 2006-09-08 06:43:00 +00:00
Jim Laskey
160a8aa339 1. Remove condition on delete. 
2. Protect and outline createTargetAsmInfo.

3. Misc. kruft.

llvm-svn: 30169
 2006-09-07 23:39:26 +00:00
Jim Laskey
9da25f6119 Make target asm info a property of the target machine. 
llvm-svn: 30162
 2006-09-07 22:06:40 +00:00