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3302 Commits

Author SHA1 Message Date
Evan Cheng
a86214b294 Add function live-ins to entry block live-in set. 
llvm-svn: 34112
 2007-02-10 02:43:39 +00:00
Evan Cheng
6dc088ffd4 Add live-ins to MachineBasicBlock. 
llvm-svn: 34111
 2007-02-10 02:38:19 +00:00
Evan Cheng
14f837357e Rename some variables to avoid confusion with SelectionDAGISel::BB. 
llvm-svn: 34110
 2007-02-10 01:08:18 +00:00
Evan Cheng
14f4a6715d Make use of TLI.SimplifySetCC() in LegalizeSetCCOperands(). 
llvm-svn: 34066
 2007-02-08 22:16:19 +00:00
Evan Cheng
1b155ac243 Move SimplifySetCC to TargetLowering and allow it to be shared with legalizer. 
llvm-svn: 34065
 2007-02-08 22:13:59 +00:00
Evan Cheng
96b886b846 Fixed a long standing spiller bug that's exposed by Thumb: 
The code sequence before the spiller is something like:
                 = tMOVrr
        %reg1117 = tMOVrr
        %reg1078 = tLSLri %reg1117, 2

The it starts spilling:
        %r0 = tRestore <fi#5>, 0
        %r1 = tRestore <fi#7>, 0
        %r1 = tMOVrr %r1<kill>
        tSpill %r1, <fi#5>, 0
        %reg1078 = tLSLri %reg1117, 2

It restores the value while processing the first tMOVrr. At this point, the
spiller remembers fi#5 is available in %r0. Next it processes the second move.
It restores the source before the move and spills the result afterwards. The
move becomes a noop and is deleted. However, a spill has been inserted and that
should invalidate reuse of %r0 for fi#5 and add reuse of %r1 for fi#5.
Therefore, %reg1117 (which is also assigned fi#5) should get %r1, not %r0.

llvm-svn: 34039
 2007-02-08 06:04:54 +00:00
Bill Wendling
ccf772cc6b Split the addPassesToEmitFile method up into two. This is so that we can 
do some common stuff, then on our own add an object file writer (by calling
a concrete function), and then do some finishing stuff, if need be.

llvm-svn: 34032
 2007-02-08 01:36:53 +00:00
Bill Wendling
55a2facbf9 Add function to create a file writer. 
llvm-svn: 34031
 2007-02-08 01:35:27 +00:00
Bill Wendling
48653bfaa4 Moved from include/llvm/CodeGen to lib/CodeGen. 
llvm-svn: 34027
 2007-02-08 01:30:50 +00:00
Nate Begeman
fe7a46c1e1 Fix a fixme by correctly calculating preferred alignments for functions, 
based on the alignment of the symbol and the target data's preferred align
for that type.

Also, rename some arguments for consistency.

llvm-svn: 33984
 2007-02-07 05:47:16 +00:00
Chris Lattner
c0fcd78ca0 Two fixes: 
1. Memset takes an i32 for the value to set, not i8.  This was causing GCC to
   ICE all over the place (PR1183).
2. memcpy/memmove were not properly zext/trunc'ing the size in some cases.

llvm-svn: 33970
 2007-02-06 19:06:38 +00:00
Chris Lattner
fc117b2338 Fix PR1181 and CodeGen/CBackend/2007-02-05-memset.ll 
llvm-svn: 33957
 2007-02-06 06:07:51 +00:00
Chris Lattner
775422640b Oops, swap this. This fixes a regression I introduced in the ARM backend. 
llvm-svn: 33946
 2007-02-06 01:56:31 +00:00
Chris Lattner
b9788ffe38 Fix PR1178 
llvm-svn: 33924
 2007-02-05 21:23:52 +00:00
Anton Korobeynikov
a4e7de7c93 Fixing silly "not-implemented" bug in AsmPrinter. This fixes PR1169. 
llvm-svn: 33888
 2007-02-04 23:27:42 +00:00
Chris Lattner
15fb4ef992 switch the VRBaseMap in the scheduler from an std::map to a DenseMap. This 
speeds up the isel pass from 2.5570s to 2.4722s on kc++ (3.4%).

llvm-svn: 33879
 2007-02-04 08:47:20 +00:00
Chris Lattner
59d7c680b5 Introduce new UnarySDNode/BinarySDNode/TernarySDNode nodes, which coallocate 
their operands with the node itself.  This reduces malloc traffic for operand
lists.  This reduces isel time on kc++ from 2.6164 to 2.5570s, about 2.3%.

llvm-svn: 33878
 2007-02-04 08:35:21 +00:00
Chris Lattner
dcdf1edd93 eliminate the SDNode::setValueTypes method. 
llvm-svn: 33876
 2007-02-04 07:37:24 +00:00
Chris Lattner
2b6734a983 eliminate a bunch of duplicate ctors and helper functions. 
llvm-svn: 33875
 2007-02-04 07:28:00 +00:00
Chris Lattner
8bbd45cd6e move MorphNode to out of line and merge setNodeOperands into it. There is 
no behavior or performance change here.

llvm-svn: 33869
 2007-02-04 02:49:29 +00:00
Chris Lattner
ccd1f36346 simplify MorphNodeTo to take a VTList operand. 
llvm-svn: 33868
 2007-02-04 02:41:42 +00:00
Chris Lattner
7e8b8e7a68 eliminate some extraneous methods in SDNode 
llvm-svn: 33867
 2007-02-04 02:32:44 +00:00
Chris Lattner
f3b4a0cc95 Give each selectiondag node class a home for it's vtable and rtti info 
llvm-svn: 33866
 2007-02-04 02:23:32 +00:00
Chris Lattner
1d3dd991ca Switch VAlueMap from std::map to DenseMap. 
llvm-svn: 33863
 2007-02-04 01:35:11 +00:00
Chris Lattner
e5eccb6d76 Switch NodeMap from std::map to DenseMap, this speeds up isel by 2.3% 
llvm-svn: 33862
 2007-02-04 01:31:47 +00:00
Chris Lattner
4ca925808f swtich vector-> smallvector, speeding up selectiondag stuff 1% 
llvm-svn: 33861
 2007-02-04 01:20:02 +00:00
Chris Lattner
135ccecbfb Switch promoted/expanded ops over to using a DenseMap. Vector related maps 
aren't worth it.

llvm-svn: 33860
 2007-02-04 01:17:38 +00:00
Chris Lattner
703db6bfd8 switch LegalizedNodes from std::map to a DenseMap. This speeds up isel 
time as a whole on kc++ by 11%.

llvm-svn: 33857
 2007-02-04 00:50:02 +00:00
Chris Lattner
3ff6e94719 Eliminate some malloc traffic from LegalizeAllNodesNotLeadingTo, speeding 
up isel on kimwitu by 0.7%.

llvm-svn: 33853
 2007-02-04 00:27:56 +00:00
Chris Lattner
6af2a892de Eliminate some std::sets. This speeds up isel of kimwitu by about 0.9% 
llvm-svn: 33852
 2007-02-04 00:24:41 +00:00
Chris Lattner
ff53aecb1a Switch SelectionDAG::ReplaceAllUsesOfValueWith to use a SmallSetVector for 
the users set (most nodes have 1 or 2 users).  This speeds up the isel pass
3.2% on kimwitu.

llvm-svn: 33849
 2007-02-04 00:14:31 +00:00
Bill Wendling
2a34ef4219 Pass in non-Mach-O-specific parameters to the GetTargetRelocation method. 
llvm-svn: 33816
 2007-02-03 02:39:40 +00:00
Chris Lattner
b35593a1c5 switch the sched unit map over to use a DenseMap instead of std::map. This 
speeds up isel as a whole time by 2.6%.

llvm-svn: 33810
 2007-02-03 01:34:13 +00:00
Chris Lattner
f1b9b2068c Switch ComputeTopDownOrdering over to using a densemap. This speeds up 
isel as a whole by 3.3%.

llvm-svn: 33809
 2007-02-03 01:12:36 +00:00
Evan Cheng
99236f5cfe Pasto 
llvm-svn: 33806
 2007-02-03 00:43:46 +00:00
Reid Spencer
05c293d1f0 Use short form of BinaryOperator create function. 
llvm-svn: 33784
 2007-02-02 14:09:34 +00:00
Reid Spencer
591bfa1e0b Changes to support making the shift instructions be true BinaryOperators. 
This feature is needed in order to support shifts of more than 255 bits
on large integer types.  This changes the syntax for llvm assembly to
make shl, ashr and lshr instructions look like a binary operator:
   shl i32 %X, 1
instead of
   shl i32 %X, i8 1
Additionally, this should help a few passes perform additional optimizations.

llvm-svn: 33776
 2007-02-02 02:16:23 +00:00
Jim Laskey
56f947d112 Slip up 
llvm-svn: 33758
 2007-02-01 17:48:20 +00:00
Jim Laskey
13d6220cbb Emit labels as label_n and not as debug_n 
llvm-svn: 33757
 2007-02-01 17:46:10 +00:00
Jim Laskey
52a12383a4 Support for non-landing pad exception handling. 
llvm-svn: 33755
 2007-02-01 16:31:34 +00:00
Anton Korobeynikov
c469cbc2e7 Fixed uninitialized stuff inside LegalizeDAG. Fortunately, the only 
affected part is codegen of "memove" inside x86 backend. This fixes
PR1144

llvm-svn: 33752
 2007-02-01 08:39:52 +00:00
Chris Lattner
a24a3aaa94 rename DenseMap to IndexedMap. 
llvm-svn: 33749
 2007-02-01 05:32:05 +00:00
Chris Lattner
36dbbd2550 Fit in 80 columns 
llvm-svn: 33745
 2007-02-01 04:55:59 +00:00
Chris Lattner
18483c395e Emit a better assertion message for PR1133 
llvm-svn: 33736
 2007-02-01 01:21:12 +00:00
Evan Cheng
3ec2e08a37 Allow the target to override the ISD::CondCode that's to be used to test the 
result of the comparison libcall against zero.

llvm-svn: 33701
 2007-01-31 09:29:11 +00:00
Reid Spencer
19af04a142 For PR1136: Rename GlobalVariable::isExternal as isDeclaration to avoid 
confusion with external linkage types.

llvm-svn: 33663
 2007-01-30 20:08:39 +00:00
Chris Lattner
ad740ef059 add initial support for handling inline asms with multiple constraints. 
This doesn't do the "right thing" but will probably work in most cases.

This implements CodeGen/PowerPC/2007-01-29-lbrx-asm.ll.

llvm-svn: 33643
 2007-01-29 23:45:14 +00:00
Jim Laskey
fc450bfd0d Out of line function. 
llvm-svn: 33641
 2007-01-29 23:40:33 +00:00
Jim Laskey
6f5d7d292f Only gather frame info if debug or eh. 
llvm-svn: 33639
 2007-01-29 23:20:22 +00:00
Nate Begeman
dc46021355 Finish off bug 680, allowing targets to custom lower frame and return 
address nodes.

llvm-svn: 33636
 2007-01-29 22:58:52 +00:00