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Author SHA1 Message Date
Chris Lattner 229907cd11 land David Blaikie's patch to de-constify Type, with a few tweaks. 
llvm-svn: 135375
 2011-07-18 04:54:35 +00:00
Chris Lattner 1d021a9f2a deconstify getType()'s. 
llvm-svn: 135323
 2011-07-15 23:15:45 +00:00
Chris Lattner b1ed91f397 Land the long talked about "type system rewrite" patch. This 
patch brings numerous advantages to LLVM.  One way to look at it
is through diffstat:
 109 files changed, 3005 insertions(+), 5906 deletions(-)

Removing almost 3K lines of code is a good thing.  Other advantages
include:

1. Value::getType() is a simple load that can be CSE'd, not a mutating
   union-find operation.
2. Types a uniqued and never move once created, defining away PATypeHolder.
3. Structs can be "named" now, and their name is part of the identity that
   uniques them.  This means that the compiler doesn't merge them structurally
   which makes the IR much less confusing.
4. Now that there is no way to get a cycle in a type graph without a named
   struct type, "upreferences" go away.
5. Type refinement is completely gone, which should make LTO much MUCH faster
   in some common cases with C++ code.
6. Types are now generally immutable, so we can use "Type *" instead 
   "const Type *" everywhere.

Downsides of this patch are that it removes some functions from the C API,
so people using those will have to upgrade to (not yet added) new API.  
"LLVM 3.0" is the right time to do this.

There are still some cleanups pending after this, this patch is large enough
as-is.

llvm-svn: 134829
 2011-07-09 17:41:24 +00:00
Eric Christopher 1e3e8933ed Another possible bug. Stopgap until we can autogenerate tables and 
constraint lengths.

Part of rdar://9037836 and rdar://9119939

llvm-svn: 132598
 2011-06-03 22:09:12 +00:00
Eric Christopher 761a5d4280 Fix an off by one error. 
Part of rdar://9037836 and rdar://9119939

llvm-svn: 132590
 2011-06-03 20:44:52 +00:00
Eric Christopher ca9b7bbaa1 Add a new parse hint for multi-letter constraints in inline asm. 
Testcase will come when we use it.

Part of rdar://9119939

llvm-svn: 132476
 2011-06-02 19:26:37 +00:00
Dale Johannesen e81d45d2cc Apply patch for use-after-free in InlineAsm constant handling, 
PR 8522 / 8616046.  Test reduction, analysis and patch by Tim Deegan!
(However, review by someone who understands the classes here better
is welcome.  John Krum will return!)

llvm-svn: 118030
 2010-11-02 17:59:27 +00:00
John Thompson e8360b7182 Inline asm multiple alternative constraints development phase 2 - improved basic logic, added initial platform support. 
llvm-svn: 117667
 2010-10-29 17:29:13 +00:00
Eric Christopher 5f878349ee Silence some constructor ordering warnings. 
llvm-svn: 113767
 2010-09-13 18:25:05 +00:00
John Thompson 1094c80281 Added skeleton for inline asm multiple alternative constraint support. 
llvm-svn: 113766
 2010-09-13 18:15:37 +00:00
Benjamin Kramer 5aaf677a37 Reduce string trashing. 
llvm-svn: 109386
 2010-07-25 23:18:32 +00:00
Jeffrey Yasskin ade270e225 Memoize InlineAsms into the LLVMContext and delete them on shutdown. 
Fixes PR803.

llvm-svn: 99143
 2010-03-21 20:37:19 +00:00
Duncan Sands 19d0b47b1f There are two ways of checking for a given type, for example isa<PointerType>(T) 
and T->isPointerTy().  Convert most instances of the first form to the second form.
Requested by Chris.

llvm-svn: 96344
 2010-02-16 11:11:14 +00:00
Benjamin Kramer ccce8bae14 Avoid going through the LLVMContext for type equality where it's safe to dereference the type pointer. 
llvm-svn: 92726
 2010-01-05 13:12:22 +00:00
Daniel Dunbar ad36e8aceb Pass StringRef by value. 
llvm-svn: 86251
 2009-11-06 10:58:06 +00:00
Dale Johannesen 1cfb958b00 Rename msasm to alignstack per review. 
llvm-svn: 84795
 2009-10-21 23:28:00 +00:00
Dale Johannesen fd04c74bc0 Add an "msasm" flag to inline asm as suggested in PR 5125. 
A little ugliness is accepted to keep the binary file format
compatible.  No functional change yet.

llvm-svn: 84020
 2009-10-13 20:46:56 +00:00
Owen Anderson 55f1c09e31 Push LLVMContexts through the IntegerType APIs. 
llvm-svn: 78948
 2009-08-13 21:58:54 +00:00
Daniel Dunbar d43b86d4a4 Finish migrating VMCore to StringRef/Twine based APIs. 
llvm-svn: 77051
 2009-07-25 06:02:13 +00:00
Chris Lattner 860df6e84c Keep track of *which* input constraint matches an output 
constraint.  Reject asms where an output has multiple
input constraints tied to it.

llvm-svn: 57687
 2008-10-17 16:47:46 +00:00
Chris Lattner ee00d04da0 Fix PR2267, by allowing indirect outputs to be intermixed 
with normal outputs.  Testcase here: 
test/CodeGen/X86/asm-indirect-mem.ll

llvm-svn: 51409
 2008-05-22 04:46:38 +00:00
Chris Lattner 10748d8edd Allow asms to return multiple results by value. 
llvm-svn: 50328
 2008-04-27 23:33:55 +00:00
Chris Lattner f3ebc3f3d2 Remove attribution from file headers, per discussion on llvmdev. 
llvm-svn: 45418
 2007-12-29 20:36:04 +00:00
Chris Lattner d92e71cf9a remove a dead annotation 
llvm-svn: 45163
 2007-12-18 19:04:24 +00:00
Christopher Lamb edf0788758 Change the PointerType api for creating pointer types. The old functionality of PointerType::get() has become PointerType::getUnqual(), which returns a pointer in the generic address space. The new prototype of PointerType::get() requires both a type and an address space. 
llvm-svn: 45082
 2007-12-17 01:12:55 +00:00
Gordon Henriksen 14a5569f4e Reverting dtor devirtualization patch. 
_sabre_: it has a major problem: by the time ~Value is run, all of the "parts" of the derived classes have been destroyed
_sabre_: the vtable lives to fight another day

llvm-svn: 44760
 2007-12-10 02:14:30 +00:00
Gordon Henriksen 3e5be66ccb Devirtualizing Value destructor (PR889). Patch by Pawel Kunio! 
llvm-svn: 44747
 2007-12-09 22:46:10 +00:00
Chris Lattner c48e2c3100 represent indirect operands explicitly in inline asm strings. 
llvm-svn: 36522
 2007-04-28 01:02:58 +00:00
Reid Spencer 5113dc5cfe For PR780: 
1. Add #includes to LinkAllVMCore.h to get Mangler.o and InlineAsm.o
2. Make Mangler.h and InlineAsm.h use the macros to ensure linkage
3. Make each of the tools with --load options include LinkAllVMCore.h
This should be the last set of changes for this bug and 800.

llvm-svn: 28719
 2006-06-07 23:03:13 +00:00
Chris Lattner 5bd30fa310 Add a virtual dtor to the InlineAsm class so that the principle method of 
the class can be defined in InlineAsm.cpp

llvm-svn: 28718
 2006-06-07 22:47:44 +00:00
Chris Lattner de5a9f4517 Parse the %*# constraint modifiers 
llvm-svn: 26341
 2006-02-23 23:36:53 +00:00
Chris Lattner 2f34a9e332 validate matching constraints and remember when we see them. 
llvm-svn: 25892
 2006-02-02 00:23:53 +00:00
Jeff Cohen b24b66f209 Fix VC++ compilation error. 
llvm-svn: 25869
 2006-02-01 04:37:04 +00:00
Chris Lattner 7ed3101d14 Beef up the interface to inline asm constraint parsing, making it more general, useful, and easier to use. 
llvm-svn: 25866
 2006-02-01 01:29:47 +00:00
Chris Lattner c981b8e35a add method for constraint parsing 
llvm-svn: 25637
 2006-01-26 02:21:59 +00:00
Chris Lattner 8547e3ab16 parse and verify the constraint string. 
llvm-svn: 25631
 2006-01-26 00:48:33 +00:00
Chris Lattner a2d810d935 Print InlineAsm objects 
llvm-svn: 25617
 2006-01-25 22:26:05 +00:00
Chris Lattner 8bbcda2fda Change inline asms to be uniqued like constants, not embedded in a Module. 
llvm-svn: 25610
 2006-01-25 18:57:27 +00:00
Chris Lattner eef2fe72c0 Initial checkin of the InlineAsm class 
llvm-svn: 25570
 2006-01-24 04:13:11 +00:00