Commit Graph

31 Commits

Author SHA1 Message Date
Benjamin Kramer
829e013107 Remove empty non-virtual destructors or mark them =default when non-public
These add no value but can make a class non-trivially copyable. NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234688 91177308-0d34-0410-b5e6-96231b3b80d8
2015-04-11 15:32:26 +00:00
David Majnemer
eca84264a7 AsmParser: Don't crash if a null byte is inside a quoted string
We don't allow Value* to have names which contain null bytes.  The
AsmParser should reject .ll files that try to do this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223869 91177308-0d34-0410-b5e6-96231b3b80d8
2014-12-10 00:43:17 +00:00
Rafael Espindola
0282239051 These classes only need a StringRef, not a MemoryBuffer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215945 91177308-0d34-0410-b5e6-96231b3b80d8
2014-08-18 22:28:28 +00:00
Rafael Espindola
285133714f Delete unused method.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215944 91177308-0d34-0410-b5e6-96231b3b80d8
2014-08-18 22:20:18 +00:00
Benjamin Kramer
00e08fcaa0 Canonicalize header guards into a common format.
Add header guards to files that were missing guards. Remove #endif comments
as they don't seem common in LLVM (we can easily add them back if we decide
they're useful)

Changes made by clang-tidy with minor tweaks.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215558 91177308-0d34-0410-b5e6-96231b3b80d8
2014-08-13 16:26:38 +00:00
David Majnemer
c8a1169c93 IR: Add COMDATs to the IR
This new IR facility allows us to represent the object-file semantic of
a COMDAT group.

COMDATs allow us to tie together sections and make the inclusion of one
dependent on another. This is required to implement features like MS
ABI VFTables and optimizing away certain kinds of initialization in C++.

This functionality is only representable in COFF and ELF, Mach-O has no
similar mechanism.

Differential Revision: http://reviews.llvm.org/D4178

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211920 91177308-0d34-0410-b5e6-96231b3b80d8
2014-06-27 18:19:56 +00:00
Saleem Abdulrasool
fa254cb46c AsmParser: add a warning for compatibility parsing
This adds a warning when linker_private or linker_private_weak is provided and
we handle it in a compatible manner.

Suggested by Chris Lattner!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205681 91177308-0d34-0410-b5e6-96231b3b80d8
2014-04-05 22:42:53 +00:00
Benjamin Kramer
55c06ae7af Revert "Give internal classes hidden visibility."
It works with clang, but GCC has different rules so we can't make all of those
hidden. This reverts commit r190534.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190536 91177308-0d34-0410-b5e6-96231b3b80d8
2013-09-11 18:05:11 +00:00
Benjamin Kramer
15f387c93e Give internal classes hidden visibility.
Worth 100k on a linux/x86_64 Release+Asserts clang.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190534 91177308-0d34-0410-b5e6-96231b3b80d8
2013-09-11 17:42:27 +00:00
Bill Wendling
95ce4c2ffb Initial submission for the attribute group feature.
Attribute groups are of the form:

  #0 = attributes { noinline "no-sse" "cpu"="cortex-a8" alignstack=4 }

Target-dependent attributes are represented as strings. Attributes can have
optional values associated with them. E.g., the "cpu" attribute has the value
"cortex-a8".

Target-independent attributes are listed as enums inside the attribute classes.

Multiple attribute groups can be referenced by the same object. In that case,
the attributes are merged together.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174493 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-06 06:52:58 +00:00
Chandler Carruth
a1514e24cc Sort includes for all of the .h files under the 'lib' tree. These were
missed in the first pass because the script didn't yet handle include
guards.

Note that the script is now able to handle all of these headers without
manual edits. =]

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169224 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04 07:12:27 +00:00
Manuel Klimek
9a31fb0c38 Removes unused field TheError from LLLexer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147049 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-21 10:02:45 +00:00
Chris Lattner
1afcace3a3 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.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134829 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-09 17:41:24 +00:00
Nick Lewycky
9fa89334f1 Refactor parsing of variable names (ie., %foo and @foo) since they have the same
rules. Also refactor "read string until quote" into its own function. No
functionality change!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132645 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-04 18:16:26 +00:00
Benjamin Kramer
d1e1703c39 Push twines deeper into SourceMgr's error handling methods.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114847 91177308-0d34-0410-b5e6-96231b3b80d8
2010-09-27 17:42:11 +00:00
Chris Lattner
73180c5355 no really, we don't need to copy strings around in the accessor.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100083 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-01 04:53:22 +00:00
Chris Lattner
e434d277ca rename lltok::Metadata -> lltok::exclaim. We name tokens
after their syntactic form, not their semantic form.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92294 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-30 04:56:59 +00:00
Benjamin Kramer
12ddd40953 Make LLVMContext and LLVMContextImpl classes instead of structs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78690 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-11 17:45:13 +00:00
Owen Anderson
48b2f3e485 Factor some of the constants+context related code out into a separate header, to make LLVMContextImpl.h
not hideous.  Also, fix some MSVC compile errors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78115 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-04 22:41:48 +00:00
Devang Patel
eff2ab61b5 Parse named metadata.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77410 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-29 00:34:02 +00:00
Owen Anderson
ff6c91efcf Use LLVMContext in the LLLexer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74934 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-07 18:44:11 +00:00
Chris Lattner
eeb4a84ac8 switch the .ll parser to use SourceMgr.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74735 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-02 23:08:13 +00:00
Chris Lattner
92bcb426c3 switch the .ll parser into SMDiagnostic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74734 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-02 22:46:18 +00:00
Dale Johannesen
1b25cb2416 Fix internal representation of fp80 to be the
same as a normal i80 {low64, high16} rather
than its own {high64, low16}.  A depressing number
of places know about this; I think I got them all.
Bitcode readers and writers convert back to the old
form to avoid breaking compatibility.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67562 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-23 21:16:53 +00:00
Dan Gohman
d68a07650c Tidy up #includes, deleting a bunch of unnecessary #includes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61715 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-05 17:59:02 +00:00
Misha Brukman
5679d18c54 Alphabetized #includes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61595 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-02 22:49:28 +00:00
Misha Brukman
9ea4034e00 Down with trailing whitespace!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61594 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-02 22:46:48 +00:00
Chris Lattner
df98617b23 Reimplement the old and horrible bison parser for .ll files with a nice
and clean recursive descent parser.

This change has a couple of ramifications:
1. The parser code is about 400 lines shorter (in what we maintain, not
   including what is autogenerated).
2. The code should be significantly faster than the old code because we 
   don't have to work around bison's poor handling of datatypes with 
   ctors/dtors.  This also makes the code much more resistant to memory 
   leaks.
3. We now get caret diagnostics from the .ll parser, woo.
4. The actual diagnostics emited from the parser are completely different
   so a bunch of testcases had to be updated.
5. I now disallow "%ty = type opaque %ty = type i32".  There was no good
   reason to support this, it was just an accident of the old 
   implementation.  I have no reason to think that anyone is actually using
   this.
6. The syntax for sticking a global variable has changed to make it 
   unambiguous.  I don't think anyone is depending on this since only clang
   supports this and it is not solid yet, so I'm not worried about anything
   breaking.
7. This gets rid of the last use of bison, and along with it the .cvs files.
   I'll prune this from the makefiles as a subsequent commit.

There are a few minor cleanups that can be done after this commit (suggestions
welcome!) but this passes dejagnu testing and is ready for its time in the
limelight.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61558 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-02 07:01:27 +00:00
Dan Gohman
950a4c40b8 Add explicit keywords.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48801 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-25 22:06:05 +00:00
Chris Lattner
4ee451de36 Remove attribution from file headers, per discussion on llvmdev.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45418 91177308-0d34-0410-b5e6-96231b3b80d8
2007-12-29 20:36:04 +00:00
Chris Lattner
8e3a8e0452 Replace the original flex lexer with a hand writen one. This
drops a dependency on flex and lets us make future progress more 
easily.  Yay for 2 fewer .cvs files to make silly conflicts with.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44213 91177308-0d34-0410-b5e6-96231b3b80d8
2007-11-18 08:46:26 +00:00