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Commit Graph

9314 Commits

Author SHA1 Message Date
Chris Lattner
fde2b21277 asmstreamerize the .size directive for function bodies, force clients
of printOffset to pass in a stream to print to.

llvm-svn: 100296
2010-04-03 22:28:33 +00:00
Chris Lattner
e952450d5a emit the cygwin stub thing through mcstreamer.
llvm-svn: 100295
2010-04-03 22:19:41 +00:00
Chris Lattner
b6769a8513 add a twine form of MCStreamer::EmitRawText, and mc'ize
a few more things in AsmPrinter.cpp.

llvm-svn: 100294
2010-04-03 22:12:35 +00:00
Chris Lattner
940911edf1 start moving towards emitting inline asm statements with
EmitInlineAsm.  However, this attempt is foiled by operands
being emitted directly to "O" so I'll have to do some surgery
and finish MCizing the world.

llvm-svn: 100291
2010-04-03 22:01:50 +00:00
Chris Lattner
4e8e791414 add a new EmitInlineAsm function to asmprinter to handle inline asm.
If we have an MCAsmStreamer, we continue to emit asm textually, 
otherwise we (currently) emit an error to errs and ignore it.

llvm-svn: 100289
2010-04-03 21:35:55 +00:00
Chris Lattner
512e2aa3d2 mc'ize comment printing around file scope inline asm.
llvm-svn: 100288
2010-04-03 21:13:18 +00:00
David Greene
7c81589636 Ok, third time's the charm. No changes from last time except the CMake
source addition.  Apparently the buildbots were wrong about failures.

---

Add some switches helpful for debugging:

-print-before=<Pass Name>

Dump IR before running pass <Pass Name>.

-print-before-all

Dump IR before running each pass.

-print-after-all

Dump IR after running each pass.

These are helpful when tracking down a miscompilation.  It is easy to
get IR dumps and do diffs on them, etc.

To make this work well, add a new getPrinterPass API to Pass so that
each kind of pass (ModulePass, FunctionPass, etc.) can create a Pass
suitable for dumping out the kind of object the Pass works on.

llvm-svn: 100249
2010-04-02 23:17:14 +00:00
Dale Johannesen
86b4078f90 Skip debug info when looking for existing EH calls at the
beginning of a block.

llvm-svn: 100230
2010-04-02 21:49:27 +00:00
Benjamin Kramer
88e421e531 Fix anachronism.
llvm-svn: 100225
2010-04-02 20:47:05 +00:00
Chris Lattner
9da2b8a955 fix the llvm-x86_64-linux buildbot.
llvm-svn: 100223
2010-04-02 20:36:25 +00:00
Chris Lattner
c7be637524 remove empty file.
llvm-svn: 100222
2010-04-02 20:26:36 +00:00
Chris Lattner
0da97990f6 stop using DebugLoc::getUnknownLoc()
llvm-svn: 100215
2010-04-02 20:17:23 +00:00
Chris Lattner
305c84b8ee Switch the code generator (except the JIT) onto the new DebugLoc
representation.  This eliminates the 'DILocation' MDNodes for 
file/line/col tuples from -O0 -g codegen.

This remove the old DebugLoc class, making it a typedef for DebugLoc,
I'll rename NewDebugLoc next.

I didn't update the JIT to use the new apis, so it will continue to
work, but be as slow as before.  Someone should eventually do this
or, better yet, rip out the JIT debug info stuff and build the JIT
on top of MC.

llvm-svn: 100209
2010-04-02 19:42:39 +00:00
Evan Cheng
5d825988d0 Correctly lower memset / memcpy of undef. It should be a nop. PR6767.
llvm-svn: 100208
2010-04-02 19:36:14 +00:00
Evan Cheng
499918dabf Revert 100204. It broke a bunch of tests and apparently changed what passes are run during codegen.
llvm-svn: 100207
2010-04-02 19:29:15 +00:00
Benjamin Kramer
69aee9e31b Update CMake.
llvm-svn: 100206
2010-04-02 19:09:51 +00:00
David Greene
554373897c Let's try this again. Re-apply 100143 including an apparent missing
<string> include.  For some reason the buildbot choked on this while my
builds did not.  It's probably due to a difference in system headers.

---

Add some switches helpful for debugging:

-print-before=<Pass Name>

Dump IR before running pass <Pass Name>.

-print-before-all

Dump IR before running each pass.

-print-after-all

Dump IR after running each pass.

These are helpful when tracking down a miscompilation.  It is easy to
get IR dumps and do diffs on them, etc.

To make this work well, add a new getPrinterPass API to Pass so that
each kind of pass (ModulePass, FunctionPass, etc.) can create a Pass
suitable for dumping out the kind of object the Pass works on.

llvm-svn: 100204
2010-04-02 18:46:26 +00:00
Mon P Wang
0ccf050ca3 Revert r100191 since it breaks objc in clang
llvm-svn: 100199
2010-04-02 18:43:02 +00:00
Mon P Wang
a01350755e Reapply address space patch after fixing an issue in MemCopyOptimizer.
Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset,
e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)

llvm-svn: 100191
2010-04-02 18:04:15 +00:00
Evan Cheng
921fc2c77b After trivial coalescing, the MI being visited may have become a copy. Avoid adding it to CSE hash table since copies aren't being considered for CSE and they may be deleted.
rdar://7819990

llvm-svn: 100170
2010-04-02 02:21:24 +00:00
Dale Johannesen
5b35f2ee86 Teach AnalyzeBranch, RemoveBranch and the branch
folder to be tolerant of debug info following the
branch(es) at the end of a block.

llvm-svn: 100168
2010-04-02 01:38:09 +00:00
Eric Christopher
77e4cc4bbd Revert r100143.
llvm-svn: 100146
2010-04-01 22:54:42 +00:00
Devang Patel
1d51b57a85 Revert r100117.
llvm-svn: 100145
2010-04-01 22:47:29 +00:00
David Greene
a358be0ef7 Add some switches helpful for debugging:
-print-before=<Pass Name>

Dump IR before running pass <Pass Name>.

-print-before-all

Dump IR before running each pass.

-print-after-all

Dump IR after running each pass.

These are helpful when tracking down a miscompilation.  It is easy to
get IR dumps and do diffs on them, etc.

To make this work well, add a new getPrinterPass API to Pass so that
each kind of pass (ModulePass, FunctionPass, etc.) can create a Pass
suitable for dumping out the kind of object the Pass works on.

llvm-svn: 100143
2010-04-01 22:43:57 +00:00
Devang Patel
97a60f2ce5 Do not eagerly record known previous location. DBG_VALUE may not cause a new label due to one or other reason.
llvm-svn: 100134
2010-04-01 20:22:44 +00:00
Evan Cheng
9307af84c2 Skip checking preferred alignment of GVs defined in other translation units all together.
llvm-svn: 100133
2010-04-01 20:13:28 +00:00
Evan Cheng
8728924812 - Avoid using floating point stores to implement memset unless the value is zero.
- Do not try to infer GV alignment unless its type is sized. It's not possible to infer alignment if it has opaque type.

llvm-svn: 100118
2010-04-01 18:19:11 +00:00
Devang Patel
52c509b85d Skip instructions until new scope is seen.
llvm-svn: 100117
2010-04-01 17:32:01 +00:00
Devang Patel
e55fdcf347 Cosmetic changes.
Update comment, rename a local variable.

llvm-svn: 100116
2010-04-01 17:16:48 +00:00
Evan Cheng
562bb43207 Fix sdisel memcpy, memset, memmove lowering:
1. Makes it possible to lower with floating point loads and stores.
2. Avoid unaligned loads / stores unless it's fast.
3. Fix some memcpy lowering logic bug related to when to optimize a
   load from constant string into a constant.
4. Adjust x86 memcpy lowering threshold to make it more sane.
5. Fix x86 target hook so it uses vector and floating point memory
   ops more effectively.
rdar://7774704

llvm-svn: 100090
2010-04-01 06:04:33 +00:00
Bill Wendling
5aa9aa529b Reapply r100056. It doesn't look like it's the one that's causing a failure.
llvm-svn: 100065
2010-04-01 00:00:43 +00:00
Bill Wendling
c463229fea Revert r100056. It was causing a failure on MSVC.
llvm-svn: 100062
2010-03-31 23:26:26 +00:00
Stuart Hastings
7c358afa1d Reverting 100048; it broke two Frontend debug info tests.
llvm-svn: 100058
2010-03-31 23:08:46 +00:00
Bill Wendling
43ca5bc535 Rewrite CorrectExtraCFGEdges() to make it more understandable.
* Set the "DestA" and "DestB" according to how they're understood by the
  method. I.e., if one or both of them should point to the "fall through" block,
  then point to the fall through block.

* Improve the loop that removes superfluous edges to be more understandable.

llvm-svn: 100056
2010-03-31 22:54:38 +00:00
Stuart Hastings
3a9c4bcef8 Debug info can now properly represent functions inside classes inside other functions. Partial fix for Radar 7424645.
llvm-svn: 100048
2010-03-31 21:10:54 +00:00
Benjamin Kramer
b67e098ab6 Reduce string trashing.
llvm-svn: 100038
2010-03-31 20:15:45 +00:00
Benjamin Kramer
a71501e0dd DwarfDebug: Allocate DIEValues with a BumpPtrAllocator. Most of them are
POD-like anyway, so we don't even care about calling their d'tors (DIEBlock
being the exception).

~6% less mallocs and ~1% compile time improvement on clang -O0 -g oggenc.c

llvm-svn: 100035
2010-03-31 19:34:01 +00:00
Chris Lattner
7919973f2d reduce indentation
llvm-svn: 99999
2010-03-31 06:09:04 +00:00
Chris Lattner
421f945e1f tidy up
llvm-svn: 99998
2010-03-31 06:06:37 +00:00
Chris Lattner
fac22403cb MI != 0 is checked in the assert right above this.
llvm-svn: 99995
2010-03-31 05:42:48 +00:00
Chris Lattner
baad3cbf19 use the isDebugValue() predicate and pop_back_val()
llvm-svn: 99993
2010-03-31 05:39:57 +00:00
Chris Lattner
9653faca87 assert is a function-like macro, not a control flow operator.
llvm-svn: 99992
2010-03-31 05:36:29 +00:00
Chris Lattner
d015147472 reduce indentation, fit in 80 cols and various other cosmetic cleanups.
llvm-svn: 99989
2010-03-31 05:15:22 +00:00
Chris Lattner
1d2ea2510d use the optimized debug info apis in sdisel.
llvm-svn: 99986
2010-03-31 04:24:50 +00:00
Chris Lattner
27c9cacb63 add new apis for getting/setting !dbg metadata on
instructions.  In addition to being a convenience,
they are faster than the old apis, particularly when
not going from an MDKindID like people should be
doing.

llvm-svn: 99982
2010-03-31 03:34:40 +00:00
Bob Wilson
aae933cc81 Revert Mon Ping's change 99928, since it broke all the llvm-gcc buildbots.
llvm-svn: 99948
2010-03-30 22:27:04 +00:00
Devang Patel
2a2b092bf0 Ignore invalid metadata.
llvm-svn: 99938
2010-03-30 22:09:52 +00:00
Mon P Wang
9351ea594a Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset,
e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)
A update of langref will occur in a subsequent checkin.

llvm-svn: 99928
2010-03-30 20:55:56 +00:00
Benjamin Kramer
4b94ce229d Introduce SpecificBumpPtrAllocator, a wrapper for BumpPtrAllocator which allows
only a single type of object to be allocated. Use it to make VNInfo destruction
typesafe.

llvm-svn: 99919
2010-03-30 20:16:45 +00:00
Chris Lattner
8e4cf6f425 Rip out the 'is temporary' nonsense from the MCContext interface to
create symbols.  It is extremely error prone and a source of a lot
of the remaining integrated assembler bugs on x86-64.

This fixes rdar://7807601.

llvm-svn: 99902
2010-03-30 18:10:53 +00:00