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29 Commits

Author SHA1 Message Date
Daniel Dunbar 7c969558d9 MC: Direct all {fragment,section,symbol} address access through the MCAsmLayout object. 
llvm-svn: 99380
 2010-03-24 03:43:40 +00:00
Daniel Dunbar 5376c2a431 MC: Sprinkle in some more interesting statistics. 
llvm-svn: 99350
 2010-03-23 23:47:14 +00:00
Daniel Dunbar 5cfb58719d llvm-mc: Fast path EvaluateAbsolute of constants. 
llvm-svn: 99348
 2010-03-23 23:47:07 +00:00
Daniel Dunbar 9c64ec0a7e MCValue: Change to holding MCSymbolRefExprs instead of MCSymbols, we will need this for accessing to symbol modifiers. 
llvm-svn: 98791
 2010-03-18 00:59:10 +00:00
Daniel Dunbar 5599256415 MC: Allow modifiers in MCSymbolRefExpr, and eliminate X86MCTargetExpr. 
- Although it would be nice to allow this decoupling, the assembler needs to be able to reason about MCSymbolRefExprs in too many places to make this viable. We can use a target specific encoding of the variant if this becomes an issue.
 - This patch also extends llvm-mc to support parsing of the modifiers, as opposed to lumping them in with the symbol.

llvm-svn: 98592
 2010-03-15 23:51:06 +00:00
Daniel Dunbar aa8f95eb56 MC: Fix a crash on invalid, attempting to evaluate undefined symbols. 
llvm-svn: 98464
 2010-03-14 03:10:40 +00:00
Daniel Dunbar 968b36a0bd MC: Constify MCAsmLayout argument to MCExpr::EvaluteAs... 
llvm-svn: 98380
 2010-03-12 21:00:45 +00:00
Daniel Dunbar 5c5228a8f6 MC/Mach-O: Implement "absolutizing" semantics of .set, by evaluating the assembly time value of variables. 
llvm-svn: 98241
 2010-03-11 05:53:37 +00:00
Daniel Dunbar ac8a95498a MC: Sketch initial MCAsmLayout class, which encapsulates the current layout of an assembly file. The MCAsmLayout is also available for use by MCExpr::EvaluateAs{Absolute,Relocatable}, to allow target specific hooks and "absolutizing" of symbols. 
llvm-svn: 98227
 2010-03-11 02:28:59 +00:00
Chris Lattner ac2361a9b0 set the temporary bit on MCSymbols correctly. 
llvm-svn: 98124
 2010-03-10 02:25:11 +00:00
Dan Gohman 9a9d9ea7bc Document that MCExpr::Mod is actually remainder. 
Document that MCExpr::Div, Mod, and the comparison operators are all
signed operators.

Document that the comparison operators' results are target-dependent.

Document that the behavior of shr is target-dependent.

llvm-svn: 95619
 2010-02-08 23:58:47 +00:00
Chris Lattner 54d88f1759 don't make hte dtor private or we can't construct the class. 
llvm-svn: 95587
 2010-02-08 22:07:36 +00:00
Chris Lattner 38d022efe9 add scaffolding for target-specific MCExprs. 
llvm-svn: 95559
 2010-02-08 19:41:07 +00:00
Chris Lattner c8f7717808 remove the MAI argument to MCExpr::print and switch overthing to use << when printing them. 
llvm-svn: 93699
 2010-01-18 00:37:40 +00:00
Chris Lattner 8b5d55ed06 now that MCSymbol::print doesn't use it's MAI argument, we can 
remove it and change all the code that prints MCSymbols to use 
<< instead, which is much simpler and cleaner.

llvm-svn: 93695
 2010-01-17 21:43:43 +00:00
David Greene a8cbfb8acc Change errs() to dbgs(). 
llvm-svn: 92630
 2010-01-05 01:28:07 +00:00
Daniel Dunbar ad36e8aceb Pass StringRef by value. 
llvm-svn: 86251
 2009-11-06 10:58:06 +00:00
Daniel Dunbar c3bd60e393 MC: Remove unneeded context argument to MCExpr::Evaluate*. 
llvm-svn: 84233
 2009-10-16 01:57:52 +00:00
Daniel Dunbar 17b9027b5c MC: Move assembler variable values from MCContext to MCSymbol. 
llvm-svn: 84229
 2009-10-16 01:33:57 +00:00
Daniel Dunbar 584a1b25ef MC: Switch MCContext value table to storing MCExprs. 
llvm-svn: 84228
 2009-10-16 01:33:11 +00:00
Chris Lattner 6a833f6806 add a helper method for creating MCSymbol and MCSymbolRefExpr at 
the same time.

llvm-svn: 81984
 2009-09-16 01:26:31 +00:00
Chris Lattner 22833a3cd6 parenthesize symbol names that start with $, fixing X86/dollar-name.ll with 
the new asmprinter.

llvm-svn: 81269
 2009-09-08 23:20:50 +00:00
Chris Lattner 7975b8fc32 Print "X-42" instead of "X+-42". 
llvm-svn: 81203
 2009-09-08 06:37:35 +00:00
Chris Lattner 3cfc551f6e make formatting of expressions more closely match the existing asmprinter. 
llvm-svn: 81202
 2009-09-08 06:34:07 +00:00
Chris Lattner a0020be758 tidy whitespace. 
llvm-svn: 81201
 2009-09-08 06:27:48 +00:00
Chris Lattner f4366a3998 Thread an MCAsmInfo pointer through the various MC printing APIs, 
and fix a few things using << on MCSymbols to use ->print(). No
functionality change other than unbreaking my previous patch.

llvm-svn: 80890
 2009-09-03 05:46:51 +00:00
Daniel Dunbar b34a2b9da1 llvm-mc: Add MCExpr::{dump,print}. 
llvm-svn: 80570
 2009-08-31 08:07:33 +00:00
Daniel Dunbar f363645da2 llvm-mc: Switch MCExpr construction to using static member functions, and taking the MCContext (which now owns all MCExprs). 
llvm-svn: 80569
 2009-08-31 08:07:22 +00:00
Daniel Dunbar 115e4d6d7b llvm-mc: Move AsmExpr into MC lib (as MCExpr). 
llvm-svn: 80567
 2009-08-31 08:06:59 +00:00