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Author SHA1 Message Date
Daniel Dunbar
7a570d09ac MC/AsmParser: Add macro argument substitution support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108654 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-18 19:00:10 +00:00
Daniel Dunbar
c64a0d7c3e MC/AsmParser: Add basic support for macro instantiation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108653 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-18 18:54:11 +00:00
Daniel Dunbar
6d8cf082f6 MC/AsmParser: Add basic parsing support for .macro definitions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108652 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-18 18:47:21 +00:00
Chris Lattner
fb2d1b2e0a daniel doesn't hate me, he hates macpython 2.5, which 
is a very reasonable position on life!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108650 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-18 18:42:18 +00:00
Daniel Dunbar
3c802de01a MC/AsmParser: Add .macros_{off,on} support, not that makes sense since we don't 
support macros.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108649 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-18 18:38:02 +00:00
Daniel Dunbar
275ce39794 MC/AsmParser: Use Error() instead of calling PrintMessage() directly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108648 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-18 18:31:45 +00:00
Daniel Dunbar
f21e4e9326 MC/AsmParser: Fix TokError() to accept a Twine. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108647 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-18 18:31:42 +00:00
Daniel Dunbar
aef87e3307 MC/AsmParser: Hide the AsmParser implementation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108646 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-18 18:31:38 +00:00
Daniel Dunbar
9fbb37e10d MC: Move several clients to using AsmParser constructor function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108645 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-18 18:31:33 +00:00
Daniel Dunbar
346cc61cd2 llvm-mc: Fix llvm-mc -as-lex. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108644 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-18 18:31:28 +00:00
Douglas Gregor
806de357a5 Fix struct/class mismatch 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108642 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-18 11:47:56 +00:00
Owen Anderson
fd73c9162e Add a testcase for r108639. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108640 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-18 08:57:19 +00:00
Owen Anderson
3ecdfafe3b Add a DAGCombine xform to fold away redundant float->double->float conversions around sqrt instructions. 
I am assured by people more knowledgeable than me that there are no rounding issues in eliminating this.

This fixed <rdar://problem/8197504>.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108639 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-18 08:47:54 +00:00
Lang Hames
12f35c52a5 Added -pbqp-pre-coalescing flag to PBQP. If enabled this will cause PBQP to require 
LoopSplitter be run prior to register allocation.

Entirely for testing purposes at the moment.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108634 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-18 00:57:59 +00:00
Gabor Greif
aa7e8b27ad fullStopTag cannot happen here, it is handled above 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108631 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-17 20:52:46 +00:00
Duncan Sands
cba3da0d96 Fix what seems like a clear buffer overflow, noticed by cppcheck. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108629 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-17 20:23:37 +00:00
Bill Wendling
7490896f9d Use isPrologLabel() instead of checking the opcode directly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108628 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-17 19:18:44 +00:00
Chris Lattner
89a902e1c2 the stackifier is global! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108626 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-17 17:42:04 +00:00
Chris Lattner
a40ce7e394 doxygenify some comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108625 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-17 17:40:51 +00:00
Zhongxing Xu
d3bb335144 update CMakeLists.txt 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108620 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-17 12:12:42 +00:00
Lang Hames
3b6702db0c Removed unused inRange variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108618 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-17 11:43:07 +00:00
Lang Hames
9258318730 Switched to array_pod_sort as per Chris's suggestion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108616 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-17 09:21:53 +00:00
Lang Hames
60f422f894 LoopSplitter - intended to split live intervals over loop boundaries. 
Still very much under development. Comments and fixes will be forthcoming.

(This commit includes some small tweaks to LiveIntervals & LoopInfo to support the splitter)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108615 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-17 07:34:01 +00:00
Owen Anderson
7e3012c345 Another attempt at getting the clang self-host to like my instcombine patch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108614 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-17 06:56:35 +00:00
Lang Hames
d0f6f01731 Iterating over sets of pointers in a heuristic was a bad idea. Switching 
any command line paramater changed the register allocation produced by
PBQP.

Turns out variety is not the spice of life.

Fixed some comparators, added others. All good now.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108613 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-17 06:31:41 +00:00
Eli Friedman
dc1ad22d53 Start of .sleb128/.uleb128 parsing support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108612 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-17 06:27:28 +00:00
Chris Lattner
e332553eae unit test to go along with r108610 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108611 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-17 06:14:03 +00:00
Chris Lattner
93604b6de2 Fix PR7658, a problem where type refinement can trigger 
constant replacement which was botching its handling of
types.  Use of getType() instead of getRawType() was causing
the type map in constant folding to be updated wrong.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108610 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-17 06:13:52 +00:00
Eli Friedman
21444efae0 Work-in-progress parsing for ELF .section directive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108609 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-17 04:29:04 +00:00
Jim Grosbach
5423856e44 Add combiner patterns to more effectively utilize the BFI (bitfield insert) 
instruction for non-constant operands. This includes the case referenced
in the README.txt regarding a bitfield copy.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108608 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-17 03:30:54 +00:00
Eli Friedman
879259faa3 Test for ELF .size directive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108607 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-17 03:15:24 +00:00
Eli Friedman
f82ccf5a0d Add support for parsing .size directives for ELF. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108606 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-17 03:09:18 +00:00
Daniel Dunbar
d1e3b44d6c MC/AsmParser: Lift Run() and TargetParser to base class. 
Also, add constructor function for creating AsmParser instances.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108604 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-17 02:26:10 +00:00
Jim Grosbach
dd7d28a17b add BFI to getTargetNodeName() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108603 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-17 01:50:57 +00:00
Jim Grosbach
15a2f2eff8 Fix logic think-o 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108601 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-17 01:22:19 +00:00
Eric Christopher
697cba8ec2 Remove unnecessary check that was subsumed into canRealignStack. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108588 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-17 00:33:04 +00:00
Eric Christopher
2b8271e029 Propagate alloca alignment information via variable size object frame 
information.

No functional change yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108583 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-17 00:28:22 +00:00
Eric Christopher
d4c36cec1d Make more explicit and add some currently disabled error messages for 
stack realignment on ARM.

Also check for function attributes as we do on X86 as well as
make explicit that we're checking can as well as needs in this function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108582 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-17 00:27:24 +00:00
Eric Christopher
acdb4b9203 Make comment a bit more clear as well as return statement since 
needsStackRealignment is currently checking the can conditions as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108581 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-17 00:25:41 +00:00
Bill Wendling
b9449d6639 Update comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108571 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-16 23:10:00 +00:00
Jim Grosbach
469bbdb597 Add basic support to code-gen the ARM/Thumb2 bit-field insert (BFI) instruction 
and a combine pattern to use it for setting a bit-field to a constant
value. More to come for non-constant stores.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108570 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-16 23:05:05 +00:00
Dan Gohman
6dd26ba4ba Fix whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108569 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-16 22:58:39 +00:00
Bill Wendling
dc86704114 Consider this function: 
void foo() { __builtin_unreachable(); }

It will output the following on Darwin X86:

_func1:
Leh_func_begin0:
        pushq %rbp
Ltmp0:
        movq %rsp, %rbp
Ltmp1:
Leh_func_end0:

This prolog adds a new Call Frame Information (CFI) row to the FDE with an
address that is not within the address range of the code it describes -- part is
equal to the end of the function -- and therefore results in an invalid EH
frame. If we emit a nop in this situation, then the CFI row is now within the
address range.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108568 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-16 22:51:10 +00:00
Jakob Stoklund Olesen
78e6e00922 Remove the isMoveInstr() hook. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108567 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-16 22:35:46 +00:00
Jakob Stoklund Olesen
2aaa98da76 Avoid isMoveInstr when printing XCore pseudo-moves. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108566 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-16 22:35:37 +00:00
Jakob Stoklund Olesen
84d499a698 Use MI.isCopy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108565 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-16 22:35:34 +00:00
Jakob Stoklund Olesen
c66756ba16 Use a small local function for a single remaining late isMoveInstr call in 
Thumb2ITBlockPass.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108564 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-16 22:35:32 +00:00
Bill Wendling
7431beaba2 Rename DBG_LABEL PROLOG_LABEL, because it's only used during prolog emission and 
thus is a much more meaningful name.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108563 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-16 22:20:36 +00:00
Jakob Stoklund Olesen
b47bb13331 Keep valgrind quiet. 
The isLive() method can read uninitialized memory, but it still gives correct
results.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108561 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-16 22:00:33 +00:00
Chris Lattner
40f9be514b tidy up 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108560 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-07-16 21:20:46 +00:00